Auto merge of #11017 - mbrubeck:rustup3, r=larsbergstrom

Update to Rust nightly 2016-04-29

Patch by @fabricedesre from #11010, updated to fix test-tidy and to not conflict with other PRs in the queue. r? @larsbergstrom

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components/script/Cargo.toml

@@ -54,7 +54,7 @@ rand = "0.3"
 phf = "0.7.13"
 phf_macros = "0.7.13"
 ref_filter_map = "1.0"
-ref_slice = "0.1.0"
+ref_slice = "1.0"
 regex = "0.1.43"
 rustc-serialize = "0.3"
 selectors = {version = "0.5", features = ["heap_size"]}