diff --git a/pkgs/applications/networking/browsers/firefox-bin/release_sources.nix b/pkgs/applications/networking/browsers/firefox-bin/release_sources.nix
index 6c6e05133bdc61..54b588fb097995 100644
--- a/pkgs/applications/networking/browsers/firefox-bin/release_sources.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/release_sources.nix
@@ -1,995 +1,995 @@
 {
-  version = "62.0.3";
+  version = "63.0";
   sources = [
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/ach/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/ach/firefox-63.0.tar.bz2";
       locale = "ach";
       arch = "linux-x86_64";
-      sha512 = "bcf519e0080aca1cf232ec327ea65973e71230dd60204bc1fef3284dd94fa123f4a60421b647a3f64352829b1ef3b0e0b689a1fa7a06f6b1848c5acb1d33b917";
+      sha512 = "0557937473fe8758371d21ec4b0d983ac2db59e8b9d3d627a318d3adf9a0cd0712f3e9b375f0cd6d9acf3f39b0c42fbcdb31364c5973916c7287f618a5f074ec";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/af/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/af/firefox-63.0.tar.bz2";
       locale = "af";
       arch = "linux-x86_64";
-      sha512 = "5b145ab068216846169303dd75ad3b5a40e82129234cee35cd7a559cde0dcbc6abb1d6ce50680b9a8180828db82f3c23d62e9dc46015a88b0a3c75eb164c17df";
+      sha512 = "4b0d715ba2a7edd648bcc2c396ea764e8a29fce69d526803e6621053f3886df44d758fdbf2c8af8a9e3acd307e10dcdcf3e13eff0e60bce28885b699cf2426d0";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/an/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/an/firefox-63.0.tar.bz2";
       locale = "an";
       arch = "linux-x86_64";
-      sha512 = "92a7b8eda43a1d6323e058d285e5b599b14ff8a7275d8e900d9ad8d5dc8160ddbfeb8134b877cbd078b3e3ce9919c2906f4cf7f9224f807f6c0ebf0c6e906be3";
+      sha512 = "79665a9586e0fceacb0a49560d0fc2a72a76187799563b0f8ef972043020744dafc971cb94b52b30df6056673aea4e0885f994d55c99c7976f9f7805c30e5796";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/ar/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/ar/firefox-63.0.tar.bz2";
       locale = "ar";
       arch = "linux-x86_64";
-      sha512 = "2592b6808abd04054ab6d71b8f44d94eb040c92f53c755b2258e4a10a3c8cd80241dedc2e57924e9410717cc8943947248b27c753c6223aa57352b0a08cd64dd";
+      sha512 = "d338b5fdf1dc4bb920bd372ba69934ddf39bdc7e37b725a010fbc9fd71ff487181d898e863c7ce9a21039d51d256c4ec1ca2cdcf0da078788243e867b0bc151f";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/as/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/as/firefox-63.0.tar.bz2";
       locale = "as";
       arch = "linux-x86_64";
-      sha512 = "224c3d09c1122f2444d2bc75833d6db60a7cbdacc819d16d40a3d5e6537e275a5720f1b6d4616ed318868683b99547d03aedc21175781eab0b32ec8c6be87495";
+      sha512 = "2022a993455456d0c900ddaf8e6a74a3d5478edec456df0cba627dfa1ad41f0274053c21b9c1ca4ca6b640e26993d60ffcc2f879c68143699f6e31d43f7acc19";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/ast/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/ast/firefox-63.0.tar.bz2";
       locale = "ast";
       arch = "linux-x86_64";
-      sha512 = "26b316efd6d4d238726e5a1fef3a6ad00af3f42cd45846598e4562b9c5b2d35af3372e283efd30713464c440715de82ce49ce3d73569ff528d90ec479264110b";
+      sha512 = "1eca2ca8385215a886a16de77988d76e41b7257a41fceacd3df18e21ba82c8c67df045aa8201a2b18032f1690997b4b8bfb55a80c47341335aab45cbb15eefd1";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/az/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/az/firefox-63.0.tar.bz2";
       locale = "az";
       arch = "linux-x86_64";
-      sha512 = "29935c406c955692a469762a9c53762d6a8f7ccd4555b53c31283f4767db2547a17819f7e55aafd011b3570c30839e350dfe74a52d322047647ddaae58b23919";
+      sha512 = "3788f68a69a8605e3185e5e776edf3339a650e010fc4810f574e5c0a62c9aaf30c84151ea169c005c1f381c3eaa4c3a8f6758c336a9423cfeaffb83aef96dc73";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/be/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/be/firefox-63.0.tar.bz2";
       locale = "be";
       arch = "linux-x86_64";
-      sha512 = "e4a438ff8a9100126f0fac456bd6aa7d0713bf2e22e7ce6490c4f3ec5643087b668bb5d8d867c9466a289a964f957ce958dd9545ada53b207bf026f3f8200373";
+      sha512 = "f538b9f8d566f7f3c5bc92a24127966d618b47dd368ecbb4fae0e5c90045bb75cb1b921edd865227ca6c34e3e2e037acb81d9f7368cfdee59cbdcf6ff2798ffe";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/bg/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/bg/firefox-63.0.tar.bz2";
       locale = "bg";
       arch = "linux-x86_64";
-      sha512 = "3b17536b1bd6cbb94548b7b2b0d05ced711ef116acc4687309c3392f77ec0b51cb4814efbeee26ceb51328a4ae5b5ee1c4d8e69e57c2580be8cb1989bb082cba";
+      sha512 = "497a95b4309e60093ec3f1b0a72ac05d1b9a47d78799ca33492394c7bf0b81e64e60103218c479b4ff3a3b2acfcf95493f43be23feb89fbdfebe42ec8a124132";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/bn-BD/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/bn-BD/firefox-63.0.tar.bz2";
       locale = "bn-BD";
       arch = "linux-x86_64";
-      sha512 = "d9969a8d0fda1bc4d108f0c24e934235186420734df1be38db9608e303d7928b45007b40857681d0b29826bc26628b3b86388c81925059ebb23b6ccbeb80f375";
+      sha512 = "3c2123b34ebb2e3c6def220c679069b31b3d7a2110ec2eadea88a930b6582fcab0452bce97f0302a39af324ca1b58ec49ed49aa865ade7d814152bf16fd1cadc";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/bn-IN/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/bn-IN/firefox-63.0.tar.bz2";
       locale = "bn-IN";
       arch = "linux-x86_64";
-      sha512 = "7e449679b8bece1eed95ca5e3bfbe1a303d9dfa8bd4b9e53d14f99198e01a4dc4367112de48ad50b61c3cc54eaaba8caf143c36336da3c86c2815828ca5a2a80";
+      sha512 = "55fdb9a3efe54db994706fb8345918f5c19f1a24f77107e6819dd1272a09900ef3534897c1d3b38c331c94813446694b2422356ae6ca2356338d6253e15a37e1";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/br/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/br/firefox-63.0.tar.bz2";
       locale = "br";
       arch = "linux-x86_64";
-      sha512 = "328deff7045bfa2187c19a66ca03a0c8f25e266eb6ea9c19715c201702245a0c338458254297974aa18466350231dc800f20b72c552f4633d5eea176f45adf80";
+      sha512 = "c35e40bfd6b1fb06c8426c6f9f834f8a6d658ced8892c575079d852dbb2e24f09657b1f37bc8af3588cc2c8b9ba1924cf5a85c7be0d6db4334c592f03abeb142";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/bs/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/bs/firefox-63.0.tar.bz2";
       locale = "bs";
       arch = "linux-x86_64";
-      sha512 = "20f85e5ca5f7a7be5079778b426e252c98112550849fb6e16e3b0d52a15570e638c8a664976a9252891a2254be59fe436dcda0d65b1f9ad5cdbe0cc5636cb93f";
+      sha512 = "ea63659f3a930b4d0a8add69cd8ca1a3d98e015aab1b6bc607c8e0fbd610de8fdc49ac290c61bcd762092d4f56554f70f029a18be4bcf426cafffc6fe9677699";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/ca/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/ca/firefox-63.0.tar.bz2";
       locale = "ca";
       arch = "linux-x86_64";
-      sha512 = "7abd7b7220c6a5b1cbb4c8f9ee6c55d15682bba5bc1e1356a038f9b1ae7ec351c57ef4dd19a02f8216f6789342d5d91cf76a00ecf13e71c8fad0f1fbc315e775";
+      sha512 = "10993691fe9072706f1c092199dadea2f1ffbcfecede53771326dd03b88387133aa23e75f96bebe7117eb02ea2775e5758c36064c5ddd72f7aab441feca659e4";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/cak/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/cak/firefox-63.0.tar.bz2";
       locale = "cak";
       arch = "linux-x86_64";
-      sha512 = "2a8070bcd971261d994ae2ded0366b9e07961e1b98aa76c117d1e949a8f9990a22ba461ebda223b76f33c7ca94e1862a888b000642a4f874b8b92d2b5f470736";
+      sha512 = "0413afe78e4c8ca1af3edad09c801607c73069366a255d4d1d9e6d4589ba3757c732a2cd691b8f223ab10cc99cdcc322e98d8daca49b3107082a8cb41cd278ff";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/cs/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/cs/firefox-63.0.tar.bz2";
       locale = "cs";
       arch = "linux-x86_64";
-      sha512 = "8beb5c0ee3a0b2a556b455e41887dda126a0892df50aba4e283f0db819c99c4601427370c70c09d176f1a6ee8d629e1ec5f8b803d51b9444237e56c7a273cc0a";
+      sha512 = "d4ee0844c1587ed0d65d40a444fd130022f99831749f721523b0f594d4967e723fd8af10c363f53b4fdca91f676962882e93327dd5b1529d3d66c27f17bf29a4";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/cy/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/cy/firefox-63.0.tar.bz2";
       locale = "cy";
       arch = "linux-x86_64";
-      sha512 = "ec1a4fb0c8f753454aea88fdcfb3a340d0328d9c059653d9390a71841098573d667c2329c0c8dc88a2fc52eedfd8dbc584df2fe44fff273f8aeec8a3f1eaa0f6";
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     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/da/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/da/firefox-63.0.tar.bz2";
       locale = "da";
       arch = "linux-x86_64";
-      sha512 = "79532e1cf94447797d9d816cdc342fe0f8c37915494ff000bbc7148c2d42a1adeb7226887d51999774b6068f62d71bbb54b0951bc606003a91df12e9f24e7691";
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     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/de/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/de/firefox-63.0.tar.bz2";
       locale = "de";
       arch = "linux-x86_64";
-      sha512 = "5f0d10736912f6ad4bd38538601ceb8db10cf97dd414446366218ccb03ae010037114d688409cd724e194126524bdd442f71b1cf646f1f3ac46499afecc082d6";
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-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/dsb/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/dsb/firefox-63.0.tar.bz2";
       locale = "dsb";
       arch = "linux-x86_64";
-      sha512 = "2cafc29c75b055e4c21e12fe2b2ca3c974ad53fed43c8b082e09323bd1854ae7179da13c7d33edf41f783fe0016053d52292bafbccdcff79cc69d8ffedf01ab9";
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     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/el/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/el/firefox-63.0.tar.bz2";
       locale = "el";
       arch = "linux-x86_64";
-      sha512 = "b1246b56eb0d61d5ac874383ee279d3c9dfe559127052c4d4403ab0009d702a76711d05f1ebb781f972d9cbe6cee9a6b3c1aea9cb74866e497f2569480a2cbf1";
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     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/en-CA/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/en-CA/firefox-63.0.tar.bz2";
       locale = "en-CA";
       arch = "linux-x86_64";
-      sha512 = "8d344a08fce1be002b5710031250aa0f13d237bd38386cb31d5f6a75cc29ee17dffd01e1375e4a26b1a136d268db6ebaa591fc23789b3fbd7771f42a6bb59979";
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     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/en-GB/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/en-GB/firefox-63.0.tar.bz2";
       locale = "en-GB";
       arch = "linux-x86_64";
-      sha512 = "88899808190f9013eba157345adc740fbd1889fd1ac963209cf093e9bd9f1e9b3f35126e85c5d3a1590e02ff1da8c09fa390ec519bc0ab01bab7c37d9b5d4bed";
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     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/en-US/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/en-US/firefox-63.0.tar.bz2";
       locale = "en-US";
       arch = "linux-x86_64";
-      sha512 = "577cdf1e1c4845e0b22c174833b0e20375443121e429a57d16f1f0e3af86533a6c27d35d8451ab25b3f7ba10ee9385d0f497866b50d4f37a81f9663137aa3395";
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     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/en-ZA/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/en-ZA/firefox-63.0.tar.bz2";
       locale = "en-ZA";
       arch = "linux-x86_64";
-      sha512 = "ee679b5bab64492bd069cd9b3b7509db7a5296a019d8712afd12a5b6ffeb1911fc4daaf63483b895b79652f67f9095b66be780a2b0dce3e7b9b57fb5fcda316a";
+      sha512 = "895f9dbd5ef281a48e5c3124dcb668b9fe4d6b41a3402850e68e138190b756ab10292bd002c36a1f8391ff3598c48a8623552ac35d18d0948dbe194b28684f81";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/eo/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/eo/firefox-63.0.tar.bz2";
       locale = "eo";
       arch = "linux-x86_64";
-      sha512 = "32e54f1a83e4b3cf8f7296fad200abedafb5c7d4bd409c7acd2806944a241b6923794a33a7999754e4d2010f2788ea3a3d08ee72a9354713b6cc2ee1dc73a665";
+      sha512 = "defe31badc0ce4c41785abf6aef543584778e5c6f373300c2fc3582c89daaa500cc9aedac55e1a1569abd8eb0de207268e31b9eae61565e76a43eecf41ef774f";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-x86_64/es-AR/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-x86_64/es-AR/firefox-63.0.tar.bz2";
       locale = "es-AR";
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+      sha512 = "0cddf14cd7a7cd4594ca04d1416b3ab32db42a287e62b68197fe8e08078999028e47074e563302c77e480d02563932d20ceffdd89c53b53c79221f3cc309e802";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-i686/uk/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-i686/uk/firefox-63.0.tar.bz2";
       locale = "uk";
       arch = "linux-i686";
-      sha512 = "e7814a55b835051c8d02b74e4343739241ea60d69b8060a496f60b6b323b81d8628541d346281e0080d83d9ef4183640c907c144743d3d444499c887c34709ef";
+      sha512 = "17e3d498e900ddfc4b00e3ea99b7b2f55c0252e88eede45b47b020293131d6adf5642c1bf94c39bba5b9042e2f9e20ba5399e6717e6965e65d90c4717a236832";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-i686/ur/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-i686/ur/firefox-63.0.tar.bz2";
       locale = "ur";
       arch = "linux-i686";
-      sha512 = "e6323528d7a916473a62edd9565ed8d67832e3298fba51c7aca32f9d0c2d401ac74d2df5770962e191f7fc79fbbe6f22ae242475075423a23f09c8f11c26afa9";
+      sha512 = "cef0ade8282d3360e27d51b4c5487882ae8dc78c598b4150cd3053cc442843cd58f5c362ed6c5ea8362517633dfbb2751a894c6cbc45bac796c181f32f095dc8";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-i686/uz/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-i686/uz/firefox-63.0.tar.bz2";
       locale = "uz";
       arch = "linux-i686";
-      sha512 = "759e63deb63e59166d137e109f81ecd57a314aa045eb97a54ae82fe04a418bc3ac73c83bb663d65fc1b66233ed49e43ba7ba5a8db1bce5138fc6b65b7377b230";
+      sha512 = "e8dc2b26f35f5ddbc93e4891d7b9b4dfd932ba6c7d1da19a6bec1f5c259f78c1c3105d9f2c89cd97c91f4032489f95a339ba5a22dc4daf3c948a968bf580d4bf";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-i686/vi/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-i686/vi/firefox-63.0.tar.bz2";
       locale = "vi";
       arch = "linux-i686";
-      sha512 = "cdd1e2fb71043fa628bc9653a1be4c7a4d64779383b25d2b1812ea7af2eea3711cc2777c09be1acaf2fcba9c931cd212c99bde69d067d331a294825b89c2addb";
+      sha512 = "6dc0945c634052824326cfe8558d1eddb192dbb4eca9eac458b8cfb3680cb1cf5537dd8ff4237ed32264d730e95287d9504fd0b1528fa33907dc1a2b4558ea61";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-i686/xh/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-i686/xh/firefox-63.0.tar.bz2";
       locale = "xh";
       arch = "linux-i686";
-      sha512 = "97eb405cc8379cd803af5db55166b9db1e489c5a0e29fc316cdeeb49e2c2beca2ba87f7f01e9117dd22639d0cbfddc26ca90aa4187a522462a1b42126bee89a7";
+      sha512 = "3792ce77db9de5080437b2aad6537f00963593ff98cdd47a145ffef8243a5ea23e8cd42f82e217885601b04df4c17d833aa88b9d15cad7a6840978af3a756b05";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-i686/zh-CN/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-i686/zh-CN/firefox-63.0.tar.bz2";
       locale = "zh-CN";
       arch = "linux-i686";
-      sha512 = "7559ae148ce548d2b766be291667e7f04d9c28bca0de467cb36f37772736d2f44cb3724e0bf0c95bdd11ac2a84ab07238e14902d6f8f23280796505cf5b9e471";
+      sha512 = "8043f8900ef35f85cb05f2092829899d119e079210dcb8bd9d369c7d73ff901e80afc4eecb25421058b65e5e267f7cf671c62cdec5849c2ff0da104f4ec12ad2";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/62.0.3/linux-i686/zh-TW/firefox-62.0.3.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/63.0/linux-i686/zh-TW/firefox-63.0.tar.bz2";
       locale = "zh-TW";
       arch = "linux-i686";
-      sha512 = "95829dba29e96497f047e2f03a4bcbe36d61c0a36637087e56300f889f9b191c7b6c4ce936604283145f4a8be8ee4b129fefdeba7efd201cd0a647a0016ebde1";
+      sha512 = "614b7835c82f80dd27c841023aca6aa8580bdadac8241f08fc053fe7657f069d6337e3edbe0bebcc4018d47f3d9f2d328176add89aacd9847393ebd21f3e9230";
     }
     ];
 }
diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index 20ef19f0b556a2..7cb6854c4b56ec 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -9,7 +9,8 @@
 , yasm, libGLU_combined, sqlite, unzip, makeWrapper
 , hunspell, libevent, libstartup_notification, libvpx
 , cairo, icu, libpng, jemalloc, glib
-, autoconf213, which, gnused, cargo, rustc, llvmPackages
+, autoconf213, which, gnused, cargo, rustc, rust_1_29, llvmPackages
+, rust-cbindgen, nodejs-8_x
 , debugBuild ? false
 
 ### optionals
@@ -96,7 +97,11 @@ stdenv.mkDerivation (rec {
   NIX_CFLAGS_COMPILE = "-I${nspr.dev}/include/nspr -I${nss.dev}/include/nss -I${glib.dev}/include/gio-unix-2.0";
 
   nativeBuildInputs =
-    [ autoconf213 which gnused pkgconfig perl python2 cargo rustc ]
+    [ autoconf213 which gnused pkgconfig perl python2 ]
+    # >= 63 requires at least rust version 1.28 and a matching cargo version
+    ++ (if lib.versionAtLeast version "63" then [
+      rust_1_29.rustc rust_1_29.cargo rust-cbindgen nodejs-8_x
+    ] else [rustc cargo])
     ++ lib.optional gtk3Support wrapGAppsHook ++ extraNativeBuildInputs;
 
   preConfigure = ''
@@ -160,8 +165,9 @@ stdenv.mkDerivation (rec {
     "--enable-webrender=build"
   ]
 
-  # TorBrowser patches these
-  ++ lib.optionals (!isTorBrowserLike) [
+  # TorBrowser patches these and for version <63.0 we still use our own nss &
+  # nspr, for newer ones we do just use whatever firefox ships
+  ++ lib.optionals (!isTorBrowserLike && (lib.versionOlder version "63")) [
     "--with-system-nss"
     "--with-system-nspr"
   ]
@@ -197,6 +203,10 @@ stdenv.mkDerivation (rec {
   ++ lib.optional enableOfficialBranding "--enable-official-branding"
   ++ extraConfigureFlags;
 
+  postPatch = lib.optionalString (lib.versionAtLeast version "63.0" && !isTorBrowserLike) ''
+    substituteInPlace third_party/prio/prio/rand.c --replace 'nspr/prinit.h' 'prinit.h'
+  '';
+
   # Before 58 we have to run `make -f client.mk configure-files` at
   # the top level, and then run `./configure` in the obj-* dir (see
   # above), but in 58 we have to instead run `./mach configure` at the
diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index e8887504ec1464..2a7a500091d533 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -20,10 +20,10 @@ rec {
 
   firefox = common rec {
     pname = "firefox";
-    version = "62.0.3";
+    version = "63.0";
     src = fetchurl {
       url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "0kvb664s47bmmdq2ppjsnyqy8yaiig1xj81r25s36c3i8igfq3zxvws10k2dlmmmrwyc5k4g9i9imgkxj7r3xwwqxc72dl429wvfys8";
+      sha512 = "095nn50g72l4ihbv26qqqs2jg4ahnmd54vxvm7nxwrnkx901aji7pph6c91zfpf7df26ib1b0pqyir9vsac40sdxc8yrzm6d0lyl1m2";
     };
 
     patches = nixpkgsPatches ++ [
@@ -78,10 +78,10 @@ rec {
 
   firefox-esr-60 = common rec {
     pname = "firefox-esr";
-    version = "60.2.2esr";
+    version = "60.3.0esr";
     src = fetchurl {
       url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "2h2naaxx4lv90bjpcrsma4sdhl4mvsisx3zi09vakjwv2lad91gy41cmcpqprpcbsmlvpqf8yiv52ah4d02a8d9335xhw2ajw6asjc1";
+      sha512 = "7ded25a38835fbd73a58085e24ad83308afee1784a3bf853d75093c1500ad46988f5865c106abdae938cfbd1fb10746cc1795ece7994fd7eba8a002158cf1bcd";
     };
 
     patches = nixpkgsPatches ++ [
diff --git a/pkgs/development/compilers/rust/1.29/binaryBuild.nix b/pkgs/development/compilers/rust/1.29/binaryBuild.nix
new file mode 100644
index 00000000000000..488d43a6fea4f8
--- /dev/null
+++ b/pkgs/development/compilers/rust/1.29/binaryBuild.nix
@@ -0,0 +1,117 @@
+{ stdenv, makeWrapper, bash, buildRustPackage, curl, darwin
+, version
+, src
+, platform
+, versionType
+}:
+
+let
+  inherit (stdenv.lib) optionalString;
+  inherit (darwin.apple_sdk.frameworks) Security;
+
+  bootstrapping = versionType == "bootstrap";
+
+  installComponents
+    = "rustc,rust-std-${platform}"
+    + (optionalString bootstrapping ",cargo")
+    ;
+in
+
+rec {
+  inherit buildRustPackage;
+
+  rustc = stdenv.mkDerivation rec {
+    name = "rustc-${versionType}-${version}";
+
+    inherit version;
+    inherit src;
+
+    meta = with stdenv.lib; {
+      homepage = http://www.rust-lang.org/;
+      description = "A safe, concurrent, practical language";
+      maintainers = with maintainers; [ qknight ];
+      license = [ licenses.mit licenses.asl20 ];
+    };
+
+    buildInputs = [ bash ] ++ stdenv.lib.optional stdenv.isDarwin Security;
+
+    postPatch = ''
+      patchShebangs .
+    '';
+
+    installPhase = ''
+      ./install.sh --prefix=$out \
+        --components=${installComponents}
+
+      ${optionalString (stdenv.isLinux && bootstrapping) ''
+        patchelf \
+          --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
+          "$out/bin/rustc"
+        patchelf \
+          --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
+          "$out/bin/rustdoc"
+        patchelf \
+          --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
+          "$out/bin/cargo"
+      ''}
+
+      ${optionalString (stdenv.isDarwin && bootstrapping) ''
+        install_name_tool -change /usr/lib/libresolv.9.dylib '${darwin.libresolv}/lib/libresolv.9.dylib' "$out/bin/rustc"
+        install_name_tool -change /usr/lib/libresolv.9.dylib '${darwin.libresolv}/lib/libresolv.9.dylib' "$out/bin/rustdoc"
+        install_name_tool -change /usr/lib/libiconv.2.dylib '${darwin.libiconv}/lib/libiconv.2.dylib' "$out/bin/cargo"
+        install_name_tool -change /usr/lib/libresolv.9.dylib '${darwin.libresolv}/lib/libresolv.9.dylib' "$out/bin/cargo"
+        install_name_tool -change /usr/lib/libcurl.4.dylib '${stdenv.lib.getLib curl}/lib/libcurl.4.dylib' "$out/bin/cargo"
+        for f in $out/lib/lib*.dylib; do
+          install_name_tool -change /usr/lib/libresolv.9.dylib '${darwin.libresolv}/lib/libresolv.9.dylib' "$f"
+        done
+      ''}
+
+      # Do NOT, I repeat, DO NOT use `wrapProgram` on $out/bin/rustc
+      # (or similar) here. It causes strange effects where rustc loads
+      # the wrong libraries in a bootstrap-build causing failures that
+      # are very hard to track down. For details, see
+      # https://github.com/rust-lang/rust/issues/34722#issuecomment-232164943
+    '';
+  };
+
+  cargo = stdenv.mkDerivation rec {
+    name = "cargo-${versionType}-${version}";
+
+    inherit version;
+    inherit src;
+
+    meta = with stdenv.lib; {
+      homepage = http://www.rust-lang.org/;
+      description = "A safe, concurrent, practical language";
+      maintainers = with maintainers; [ qknight ];
+      license = [ licenses.mit licenses.asl20 ];
+    };
+
+    buildInputs = [ makeWrapper bash ] ++ stdenv.lib.optional stdenv.isDarwin Security;
+
+    postPatch = ''
+      patchShebangs .
+    '';
+
+    installPhase = ''
+      patchShebangs ./install.sh
+      ./install.sh --prefix=$out \
+        --components=cargo
+
+      ${optionalString (stdenv.isLinux && bootstrapping) ''
+        patchelf \
+          --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
+          "$out/bin/cargo"
+      ''}
+
+      ${optionalString (stdenv.isDarwin && bootstrapping) ''
+        install_name_tool -change /usr/lib/libiconv.2.dylib '${darwin.libiconv}/lib/libiconv.2.dylib' "$out/bin/cargo"
+        install_name_tool -change /usr/lib/libresolv.9.dylib '${darwin.libresolv}/lib/libresolv.9.dylib' "$out/bin/cargo"
+        install_name_tool -change /usr/lib/libcurl.4.dylib '${stdenv.lib.getLib curl}/lib/libcurl.4.dylib' "$out/bin/cargo"
+      ''}
+
+      wrapProgram "$out/bin/cargo" \
+        --suffix PATH : "${rustc}/bin"
+    '';
+  };
+}
diff --git a/pkgs/development/compilers/rust/1.29/bootstrap.nix b/pkgs/development/compilers/rust/1.29/bootstrap.nix
new file mode 100644
index 00000000000000..55348c5795ad41
--- /dev/null
+++ b/pkgs/development/compilers/rust/1.29/bootstrap.nix
@@ -0,0 +1,42 @@
+{ stdenv, fetchurl, callPackage }:
+
+let
+  # Note: the version MUST be one version prior to the version we're
+  # building
+  version = "1.28.0";
+
+  # fetch hashes by running `print-hashes.sh 1.24.1`
+  hashes = {
+    i686-unknown-linux-gnu = "de7cdb4e665e897ea9b10bf6fd545f900683296456d6a11d8510397bb330455f";
+    x86_64-unknown-linux-gnu = "2a1390340db1d24a9498036884e6b2748e9b4b057fc5219694e298bdaa37b810";
+    armv7-unknown-linux-gnueabihf = "346558d14050853b87049e5e1fbfae0bf0360a2f7c57433c6985b1a879c349a2";
+    aarch64-unknown-linux-gnu = "9b6fbcee73070332c811c0ddff399fa31965bec62ef258656c0c90354f6231c1";
+    i686-apple-darwin = "752e2c9182e057c4a54152d1e0b3949482c225d02bb69d9d9a4127dc2a65fb68";
+    x86_64-apple-darwin = "5d7a70ed4701fe9410041c1eea025c95cad97e5b3d8acc46426f9ac4f9f02393";
+  };
+
+  platform =
+    if stdenv.hostPlatform.system == "i686-linux"
+    then "i686-unknown-linux-gnu"
+    else if stdenv.hostPlatform.system == "x86_64-linux"
+    then "x86_64-unknown-linux-gnu"
+    else if stdenv.hostPlatform.system == "armv7l-linux"
+    then "armv7-unknown-linux-gnueabihf"
+    else if stdenv.hostPlatform.system == "aarch64-linux"
+    then "aarch64-unknown-linux-gnu"
+    else if stdenv.hostPlatform.system == "i686-darwin"
+    then "i686-apple-darwin"
+    else if stdenv.hostPlatform.system == "x86_64-darwin"
+    then "x86_64-apple-darwin"
+    else throw "missing bootstrap url for platform ${stdenv.hostPlatform.system}";
+
+  src = fetchurl {
+     url = "https://static.rust-lang.org/dist/rust-${version}-${platform}.tar.gz";
+     sha256 = hashes."${platform}";
+  };
+
+in callPackage ./binaryBuild.nix
+  { inherit version src platform;
+    buildRustPackage = null;
+    versionType = "bootstrap";
+  }
diff --git a/pkgs/development/compilers/rust/1.29/cargo.nix b/pkgs/development/compilers/rust/1.29/cargo.nix
new file mode 100644
index 00000000000000..25a71965e0b49b
--- /dev/null
+++ b/pkgs/development/compilers/rust/1.29/cargo.nix
@@ -0,0 +1,68 @@
+{ stdenv, file, curl, pkgconfig, python, openssl, cmake, zlib
+, makeWrapper, libiconv, cacert, rustPlatform, rustc, libgit2, darwin
+, version
+, patches ? []
+, src }:
+
+let
+  inherit (darwin.apple_sdk.frameworks) CoreFoundation;
+in
+
+rustPlatform.buildRustPackage rec {
+  name = "cargo-${version}";
+  inherit version src patches;
+
+  # the rust source tarball already has all the dependencies vendored, no need to fetch them again
+  cargoVendorDir = "src/vendor";
+  preBuild = "cd src; pushd tools/cargo";
+  postBuild = "popd";
+
+  passthru.rustc = rustc;
+
+  # changes hash of vendor directory otherwise
+  dontUpdateAutotoolsGnuConfigScripts = true;
+
+  nativeBuildInputs = [ pkgconfig ];
+  buildInputs = [ cacert file curl python openssl cmake zlib makeWrapper libgit2 ]
+    ++ stdenv.lib.optionals stdenv.isDarwin [ CoreFoundation libiconv ];
+
+  LIBGIT2_SYS_USE_PKG_CONFIG=1;
+
+  # fixes: the cargo feature `edition` requires a nightly version of Cargo, but this is the `stable` channel
+  RUSTC_BOOTSTRAP=1;
+
+  # FIXME: Use impure version of CoreFoundation because of missing symbols.
+  # CFURLSetResourcePropertyForKey is defined in the headers but there's no
+  # corresponding implementation in the sources from opensource.apple.com.
+  preConfigure = stdenv.lib.optionalString stdenv.isDarwin ''
+    export NIX_CFLAGS_COMPILE="-F${CoreFoundation}/Library/Frameworks $NIX_CFLAGS_COMPILE"
+  '';
+
+  postInstall = ''
+    # NOTE: We override the `http.cainfo` option usually specified in
+    # `.cargo/config`. This is an issue when users want to specify
+    # their own certificate chain as environment variables take
+    # precedence
+    wrapProgram "$out/bin/cargo" \
+      --suffix PATH : "${rustc}/bin" \
+      --set CARGO_HTTP_CAINFO "${cacert}/etc/ssl/certs/ca-bundle.crt" \
+      --set SSL_CERT_FILE "${cacert}/etc/ssl/certs/ca-bundle.crt"
+  '';
+
+  checkPhase = ''
+    # Disable cross compilation tests
+    export CFG_DISABLE_CROSS_TESTS=1
+    cargo test
+  '';
+
+  # Disable check phase as there are failures (4 tests fail)
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    homepage = https://crates.io;
+    description = "Downloads your Rust project's dependencies and builds your project";
+    maintainers = with maintainers; [ wizeman retrry ];
+    license = [ licenses.mit licenses.asl20 ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/development/compilers/rust/1.29/default.nix b/pkgs/development/compilers/rust/1.29/default.nix
new file mode 100644
index 00000000000000..7d785093f9b307
--- /dev/null
+++ b/pkgs/development/compilers/rust/1.29/default.nix
@@ -0,0 +1,52 @@
+{ stdenv, callPackage, recurseIntoAttrs, makeRustPlatform, llvm, fetchurl
+, targets ? []
+, targetToolchains ? []
+, targetPatches ? []
+}:
+
+let
+  rustPlatform = recurseIntoAttrs (makeRustPlatform (callPackage ./bootstrap.nix {}));
+  version = "1.29.1";
+  cargoVersion = "1.29.1";
+  src = fetchurl {
+    url = "https://static.rust-lang.org/dist/rustc-${version}-src.tar.gz";
+    sha256 = "0jd3c57x3yndizns4pb68nh25si47agfmrdvf9nwwsyfcs5p5c7i";
+  };
+in rec {
+  rustc = callPackage ./rustc.nix {
+    inherit stdenv llvm targets targetPatches targetToolchains rustPlatform version src;
+
+    patches = [
+      ./patches/net-tcp-disable-tests.patch
+
+      # Re-evaluate if this we need to disable this one
+      #./patches/stdsimd-disable-doctest.patch
+
+      # Fails on hydra - not locally; the exact reason is unknown.
+      # Comments in the test suggest that some non-reproducible environment
+      # variables such $RANDOM can make it fail.
+      ./patches/disable-test-inherit-env.patch
+    ];
+
+    forceBundledLLVM = true;
+
+    configureFlags = [ "--release-channel=stable" ];
+
+    # 1. Upstream is not running tests on aarch64:
+    # see https://github.com/rust-lang/rust/issues/49807#issuecomment-380860567
+    # So we do the same.
+    # 2. Tests run out of memory for i686
+    #doCheck = !stdenv.isAarch64 && !stdenv.isi686;
+
+    # Disabled for now; see https://github.com/NixOS/nixpkgs/pull/42348#issuecomment-402115598.
+    doCheck = false;
+  };
+
+  cargo = callPackage ./cargo.nix rec {
+    version = cargoVersion;
+    inherit src;
+    inherit stdenv;
+    inherit rustc; # the rustc that will be wrapped by cargo
+    inherit rustPlatform; # used to build cargo
+  };
+}
diff --git a/pkgs/development/compilers/rust/1.29/patches/disable-test-inherit-env.patch b/pkgs/development/compilers/rust/1.29/patches/disable-test-inherit-env.patch
new file mode 100644
index 00000000000000..fcb75ed098ec91
--- /dev/null
+++ b/pkgs/development/compilers/rust/1.29/patches/disable-test-inherit-env.patch
@@ -0,0 +1,10 @@
+--- rustc-1.26.2-src.org/src/libstd/process.rs	2018-06-01 21:40:11.000000000 +0100
++++ rustc-1.26.2-src/src/libstd/process.rs	2018-06-08 07:50:23.023828658 +0100
+@@ -1745,6 +1745,7 @@
+     }
+ 
+     #[test]
++    #[ignore]
+     fn test_inherit_env() {
+         use env;
+ 
diff --git a/pkgs/development/compilers/rust/1.29/patches/net-tcp-disable-tests.patch b/pkgs/development/compilers/rust/1.29/patches/net-tcp-disable-tests.patch
new file mode 100644
index 00000000000000..10713b6b7aa9da
--- /dev/null
+++ b/pkgs/development/compilers/rust/1.29/patches/net-tcp-disable-tests.patch
@@ -0,0 +1,104 @@
+diff --git a/src/libstd/net/tcp.rs b/src/libstd/net/tcp.rs
+index 0f60b5b3e..9b08415e7 100644
+--- a/src/libstd/net/tcp.rs
++++ b/src/libstd/net/tcp.rs
+@@ -962,6 +962,7 @@ mod tests {
+         }
+     }
+ 
++    #[cfg_attr(target_os = "macos", ignore)]
+     #[test]
+     fn listen_localhost() {
+         let socket_addr = next_test_ip4();
+@@ -1020,6 +1021,7 @@ mod tests {
+         })
+     }
+ 
++    #[cfg_attr(target_os = "macos", ignore)]
+     #[test]
+     fn read_eof() {
+         each_ip(&mut |addr| {
+@@ -1039,6 +1041,7 @@ mod tests {
+         })
+     }
+ 
++    #[cfg_attr(target_os = "macos", ignore)]
+     #[test]
+     fn write_close() {
+         each_ip(&mut |addr| {
+@@ -1065,6 +1068,7 @@ mod tests {
+         })
+     }
+ 
++    #[cfg_attr(target_os = "macos", ignore)]
+     #[test]
+     fn multiple_connect_serial() {
+         each_ip(&mut |addr| {
+@@ -1087,6 +1091,7 @@ mod tests {
+         })
+     }
+ 
++    #[cfg_attr(target_os = "macos", ignore)]
+     #[test]
+     fn multiple_connect_interleaved_greedy_schedule() {
+         const MAX: usize = 10;
+@@ -1123,6 +1128,7 @@ mod tests {
+     }
+ 
+     #[test]
++    #[cfg_attr(target_os = "macos", ignore)]
+     fn multiple_connect_interleaved_lazy_schedule() {
+         const MAX: usize = 10;
+         each_ip(&mut |addr| {
+@@ -1401,6 +1407,7 @@ mod tests {
+     }
+ 
+     #[test]
++    #[cfg_attr(target_os = "macos", ignore)]
+     fn clone_while_reading() {
+         each_ip(&mut |addr| {
+             let accept = t!(TcpListener::bind(&addr));
+@@ -1421,7 +1422,10 @@ mod tests {
+ 
+     // FIXME: re-enabled bitrig/openbsd tests once their socket timeout code
+     //        no longer has rounding errors.
+-    #[cfg_attr(any(target_os = "bitrig", target_os = "netbsd", target_os = "openbsd"), ignore)]
++    #[cfg_attr(any(target_os = "bitrig",
++                   target_os = "netbsd",
++                   target_os = "openbsd",
++                   target_os = "macos"), ignore)]
+     #[test]
+     fn timeouts() {
+         let addr = next_test_ip4();
+@@ -1596,6 +1603,7 @@ mod tests {
+         drop(listener);
+     }
+ 
++    #[cfg_attr(target_os = "macos", ignore)]
+     #[test]
+     fn nodelay() {
+         let addr = next_test_ip4();
+@@ -1610,6 +1618,7 @@ mod tests {
+         assert_eq!(false, t!(stream.nodelay()));
+     }
+ 
++    #[cfg_attr(target_os = "macos", ignore)]
+     #[test]
+     fn ttl() {
+         let ttl = 100;
+@@ -1647,6 +1656,7 @@ mod tests {
+         }
+     }
+ 
++    #[cfg_attr(target_os = "macos", ignore)]
+     #[test]
+     fn peek() {
+         each_ip(&mut |addr| {
+@@ -1679,6 +1689,7 @@ mod tests {
+     }
+ 
+     #[test]
++    #[cfg_attr(any(target_os = "linux", target_os = "macos"), ignore)]
+     fn connect_timeout_unroutable() {
+         // this IP is unroutable, so connections should always time out,
+         // provided the network is reachable to begin with.
diff --git a/pkgs/development/compilers/rust/1.29/patches/stdsimd-disable-doctest.patch b/pkgs/development/compilers/rust/1.29/patches/stdsimd-disable-doctest.patch
new file mode 100644
index 00000000000000..6ef7fd0f7ce403
--- /dev/null
+++ b/pkgs/development/compilers/rust/1.29/patches/stdsimd-disable-doctest.patch
@@ -0,0 +1,20 @@
+diff --git a/src/stdsimd/coresimd/x86/mod.rs b/src/stdsimd/coresimd/x86/mod.rs
+index 32915c332..7cb54f31e 100644
+--- a/src/stdsimd/coresimd/x86/mod.rs
++++ b/src/stdsimd/coresimd/x86/mod.rs
+@@ -279,7 +279,6 @@ types! {
+     ///
+     /// # Examples
+     ///
+-    /// ```
+     /// # #![feature(cfg_target_feature, target_feature, stdsimd)]
+     /// # #![cfg_attr(not(dox), no_std)]
+     /// # #[cfg(not(dox))]
+@@ -301,7 +300,6 @@ types! {
+     /// # }
+     /// # if is_x86_feature_detected!("sse") { unsafe { foo() } }
+     /// # }
+-    /// ```
+     pub struct __m256(f32, f32, f32, f32, f32, f32, f32, f32);
+ 
+     /// 256-bit wide set of four `f64` types, x86-specific
diff --git a/pkgs/development/compilers/rust/1.29/rustc.nix b/pkgs/development/compilers/rust/1.29/rustc.nix
new file mode 100644
index 00000000000000..40e3c6ce01f69f
--- /dev/null
+++ b/pkgs/development/compilers/rust/1.29/rustc.nix
@@ -0,0 +1,182 @@
+{ stdenv, targetPackages
+, fetchurl, fetchgit, fetchzip, file, python2, tzdata, procps
+, llvm, jemalloc, ncurses, darwin, rustPlatform, git, cmake, curl
+, which, libffi, gdb
+, version
+, forceBundledLLVM ? false
+, src
+, configureFlags ? []
+, patches
+, targets
+, targetPatches
+, targetToolchains
+, doCheck ? true
+, broken ? false
+}:
+
+let
+  inherit (stdenv.lib) optional optionalString;
+  inherit (darwin.apple_sdk.frameworks) Security;
+
+  llvmShared = llvm.override { enableSharedLibraries = true; };
+
+  target = builtins.replaceStrings [" "] [","] (builtins.toString targets);
+in
+
+stdenv.mkDerivation {
+  name = "rustc-${version}";
+  inherit version;
+
+  inherit src;
+
+  __darwinAllowLocalNetworking = true;
+
+  # rustc complains about modified source files otherwise
+  dontUpdateAutotoolsGnuConfigScripts = true;
+
+  # Running the default `strip -S` command on Darwin corrupts the
+  # .rlib files in "lib/".
+  #
+  # See https://github.com/NixOS/nixpkgs/pull/34227
+  stripDebugList = if stdenv.isDarwin then [ "bin" ] else null;
+
+  NIX_LDFLAGS = optionalString stdenv.isDarwin "-rpath ${llvmShared}/lib";
+
+  # Enable nightly features in stable compiles (used for
+  # bootstrapping, see https://github.com/rust-lang/rust/pull/37265).
+  # This loosens the hard restrictions on bootstrapping-compiler
+  # versions.
+  RUSTC_BOOTSTRAP = "1";
+
+  # Increase codegen units to introduce parallelism within the compiler.
+  RUSTFLAGS = "-Ccodegen-units=10";
+
+  # We need rust to build rust. If we don't provide it, configure will try to download it.
+  # Reference: https://github.com/rust-lang/rust/blob/master/src/bootstrap/configure.py
+  configureFlags = configureFlags
+                ++ [ "--enable-local-rust" "--local-rust-root=${rustPlatform.rust.rustc}" "--enable-rpath" ]
+                ++ [ "--enable-vendor" ]
+                # ++ [ "--jemalloc-root=${jemalloc}/lib"
+                ++ [ "--default-linker=${targetPackages.stdenv.cc}/bin/cc" ]
+                ++ optional (!forceBundledLLVM) [ "--enable-llvm-link-shared" ]
+                ++ optional (targets != []) "--target=${target}"
+                ++ optional (!forceBundledLLVM) "--llvm-root=${llvmShared}";
+
+  # The bootstrap.py will generated a Makefile that then executes the build.
+  # The BOOTSTRAP_ARGS used by this Makefile must include all flags to pass
+  # to the bootstrap builder.
+  postConfigure = ''
+    substituteInPlace Makefile --replace 'BOOTSTRAP_ARGS :=' 'BOOTSTRAP_ARGS := --jobs $(NIX_BUILD_CORES)'
+  '';
+
+  patches = patches ++ targetPatches;
+
+  # the rust build system complains that nix alters the checksums
+  dontFixLibtool = true;
+
+  passthru.target = target;
+
+  postPatch = ''
+    patchShebangs src/etc
+
+    # Fix dynamic linking against llvm
+    #${optionalString (!forceBundledLLVM) ''sed -i 's/, kind = \\"static\\"//g' src/etc/mklldeps.py''}
+
+    # Fix the configure script to not require curl as we won't use it
+    sed -i configure \
+      -e '/probe_need CFG_CURL curl/d'
+
+    # Fix the use of jemalloc prefixes which our jemalloc doesn't have
+    # TODO: reenable if we can figure out how to get our jemalloc to work
+    #[ -f src/liballoc_jemalloc/lib.rs ] && sed -i 's,je_,,g' src/liballoc_jemalloc/lib.rs
+    #[ -f src/liballoc/heap.rs ] && sed -i 's,je_,,g' src/liballoc/heap.rs # Remove for 1.4.0+
+
+    # Disable fragile tests.
+    rm -vr src/test/run-make/linker-output-non-utf8 || true
+    rm -vr src/test/run-make/issue-26092 || true
+
+    # Remove test targeted at LLVM 3.9 - https://github.com/rust-lang/rust/issues/36835
+    rm -vr src/test/run-pass/issue-36023.rs || true
+
+    # Disable test getting stuck on hydra - possible fix:
+    # https://reviews.llvm.org/rL281650
+    rm -vr src/test/run-pass/issue-36474.rs || true
+
+    # On Hydra: `TcpListener::bind(&addr)`: Address already in use (os error 98)'
+    sed '/^ *fn fast_rebind()/i#[ignore]' -i src/libstd/net/tcp.rs
+
+    # https://github.com/rust-lang/rust/issues/39522
+    echo removing gdb-version-sensitive tests...
+    find src/test/debuginfo -type f -execdir grep -q ignore-gdb-version '{}' \; -print -delete
+    rm src/test/debuginfo/{borrowed-c-style-enum.rs,c-style-enum-in-composite.rs,gdb-pretty-struct-and-enums-pre-gdb-7-7.rs,generic-enum-with-different-disr-sizes.rs}
+
+    # Useful debugging parameter
+    # export VERBOSE=1
+  '' + optionalString stdenv.isDarwin ''
+    # Disable all lldb tests.
+    # error: Can't run LLDB test because LLDB's python path is not set
+    rm -vr src/test/debuginfo/*
+    rm -v src/test/run-pass/backtrace-debuginfo.rs
+
+    # error: No such file or directory
+    rm -v src/test/run-pass/issue-45731.rs
+
+    # Disable tests that fail when sandboxing is enabled.
+    substituteInPlace src/libstd/sys/unix/ext/net.rs \
+        --replace '#[test]' '#[test] #[ignore]'
+    substituteInPlace src/test/run-pass/env-home-dir.rs \
+        --replace 'home_dir().is_some()' true
+    rm -v src/test/run-pass/fds-are-cloexec.rs  # FIXME: pipes?
+    rm -v src/test/run-pass/sync-send-in-std.rs  # FIXME: ???
+  '';
+
+  # rustc unfortunately need cmake for compiling llvm-rt but doesn't
+  # use it for the normal build. This disables cmake in Nix.
+  dontUseCmakeConfigure = true;
+
+  # (proc)ps is needed for one of the test cases
+  nativeBuildInputs =
+    [ file python2 procps rustPlatform.rust.rustc git cmake
+      which libffi
+    ]
+    # Only needed for the debuginfo tests
+    ++ optional (!stdenv.isDarwin) gdb;
+
+  buildInputs = [ ncurses ] ++ targetToolchains
+    ++ optional stdenv.isDarwin Security
+    ++ optional (!forceBundledLLVM) llvmShared;
+
+  outputs = [ "out" "man" "doc" ];
+  setOutputFlags = false;
+
+  # Disable codegen units and hardening for the tests.
+  preCheck = ''
+    export RUSTFLAGS=
+    export TZDIR=${tzdata}/share/zoneinfo
+    export hardeningDisable=all
+  '' +
+  # Ensure TMPDIR is set, and disable a test that removing the HOME
+  # variable from the environment falls back to another home
+  # directory.
+  optionalString stdenv.isDarwin ''
+    export TMPDIR=/tmp
+    sed -i '28s/home_dir().is_some()/true/' ./src/test/run-pass/env-home-dir.rs
+  '';
+
+  inherit doCheck;
+
+  configurePlatforms = [];
+
+  # https://github.com/NixOS/nixpkgs/pull/21742#issuecomment-272305764
+  # https://github.com/rust-lang/rust/issues/30181
+  # enableParallelBuilding = false;
+
+  meta = with stdenv.lib; {
+    homepage = https://www.rust-lang.org/;
+    description = "A safe, concurrent, practical language";
+    maintainers = with maintainers; [ madjar cstrahan wizeman globin havvy wkennington ];
+    license = [ licenses.mit licenses.asl20 ];
+    platforms = platforms.linux ++ platforms.darwin;
+    broken = broken;
+  };
+}
diff --git a/pkgs/development/tools/rust/cbindgen/default.nix b/pkgs/development/tools/rust/cbindgen/default.nix
new file mode 100644
index 00000000000000..fe80d0d9dd19cb
--- /dev/null
+++ b/pkgs/development/tools/rust/cbindgen/default.nix
@@ -0,0 +1,22 @@
+{ stdenv, fetchFromGitHub, rustPlatform }:
+
+rustPlatform.buildRustPackage rec {
+  name = "rust-cbindgen-${version}";
+  version = "0.6.3";
+
+  src = fetchFromGitHub {
+    owner = "eqrion";
+    repo = "cbindgen";
+    rev = "v${version}";
+    sha256 = "18lvvzksc7gfx8fffpil41phjzwdc67xfh0mijkkv4zchwlqkpq2";
+  };
+
+  cargoSha256 = "1m1chwmfgj74xrmn4gb9yz5kx8c408a1hlqmpcq780kqj0k927i9";
+
+  meta = with stdenv.lib; {
+    description = "A project for generating C bindings from Rust code";
+    homepage = https://github.com/eqrion/cbindgen;
+    license = licenses.mpl20;
+    maintainers = with maintainers; [ jtojnar ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e37c4262336e7b..72f74c8f35acf0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6725,6 +6725,11 @@ with pkgs;
       stdenv = overrideCC stdenv gcc6; # with gcc-7: undefined reference to `__divmoddi4'
     });
 
+  rust_1_29 = callPackage ../development/compilers/rust/1.29
+    (stdenv.lib.optionalAttrs (stdenv.cc.isGNU && stdenv.hostPlatform.isi686) {
+      stdenv = overrideCC stdenv gcc6; # with gcc-7: undefined reference to `__divmoddi4'
+    });
+
   buildRustCrate = callPackage ../build-support/rust/build-rust-crate.nix { };
 
   cargo-vendor = callPackage ../build-support/rust/cargo-vendor {};
@@ -6757,6 +6762,9 @@ with pkgs;
   rustracer = callPackage ../development/tools/rust/racer { };
   rustracerd = callPackage ../development/tools/rust/racerd { };
   rust-bindgen = callPackage ../development/tools/rust/bindgen { };
+  rust-cbindgen = callPackage ../development/tools/rust/cbindgen {
+    rustPlatform = recurseIntoAttrs (makeRustPlatform rust_1_29);
+  };
   rustup = callPackage ../development/tools/rust/rustup {
     inherit (darwin.apple_sdk.frameworks) Security;
   };