Re-export NonZero signed variant in std

[tesuji]

Closes #59834 .

[rust-highfive]

r? @cramertj

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[tesuji]

r? @Mark-Simulacrum

[tesuji]

Try the triage bot
@rustbot modify labels: T-libs

[rustbot]

Error: Parsing label command in comment failed: ...ls: T-libs|error: a label delta at >|
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[Mark-Simulacrum]

@bors r+

Cc @pietroalbini @rust-lang/release

[bors]

📌 Commit 2f97552 has been approved by Mark-Simulacrum

[bors]

🌲 The tree is currently closed for pull requests below priority 15, this pull request will be tested once the tree is reopened

[rust-highfive]

The job x86_64-gnu-llvm-6.0 of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

travis_time:end:0419fb10:start=1554866831093664378,finish=1554866832102191880,duration=1008527502
$ git checkout -qf FETCH_HEAD
travis_fold:end:git.checkout

Encrypted environment variables have been removed for security reasons.
See https://docs.travis-ci.com/user/pull-requests/#pull-requests-and-security-restrictions
$ export SCCACHE_BUCKET=rust-lang-ci-sccache2
$ export SCCACHE_REGION=us-west-1
$ export GCP_CACHE_BUCKET=rust-lang-ci-cache
$ export AWS_ACCESS_KEY_ID=AKIA46X5W6CZEJZ6XT55
---
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[01:05:32] ..............................
[01:05:32] failures:
[01:05:32] failures:
[01:05:32] 
[01:05:32] ---- [ui] ui/try-block/try-block-bad-type.rs stdout ----
[01:05:32] diff of stderr:
[01:05:32] 
[01:05:32] 6    |
[01:05:32] 7    = help: the following implementations were found:
[01:05:32] 8              <i32 as std::convert::From<bool>>
[01:05:32] -              <i32 as std::convert::From<core::num::NonZeroI32>>
[01:05:32] 10              <i32 as std::convert::From<i16>>
[01:05:32] 11              <i32 as std::convert::From<i8>>
[01:05:32] +              <i32 as std::convert::From<std::num::NonZeroI32>>
[01:05:32] 13    = note: required by `std::convert::From::from`
[01:05:32] 14 
[01:05:32] 
[01:05:32] 
[01:05:32] 
[01:05:32] The actual stderr differed from the expected stderr.
[01:05:32] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/try-block/try-block-bad-type/try-block-bad-type.stderr
[01:05:32] To update references, rerun the tests and pass the `--bless` flag
[01:05:32] To only update this specific test, also pass `--test-args try-block/try-block-bad-type.rs`
[01:05:32] error: 1 errors occurred comparing output.
[01:05:32] status: exit code: 1
[01:05:32] status: exit code: 1
[01:05:32] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/try-block/try-block-bad-type.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/try-block/try-block-bad-type/a" "-Crpath" "-O" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--edition" "2018" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/try-block/try-block-bad-type/auxiliary" "-A" "unused"
[01:05:32] ------------------------------------------
[01:05:32] 
[01:05:32] ------------------------------------------
[01:05:32] stderr:
[01:05:32] stderr:
[01:05:32] ------------------------------------------
[01:05:32] {"message":"the trait bound `i32: std::convert::From<&str>` is not satisfied","code":{"code":"E0277","explanation":"\nYou tried to use a type which doesn't implement some trait in a place which\nexpected that trait. Erroneous code example:\n\n```compile_fail,E0277\n// here we declare the Foo trait with a bar method\ntrait Foo {\n    fn bar(&self);\n}\n\n// we now declare a function which takes an object implementing the Foo trait\nfn some_func<T: Foo>(foo: T) {\n    foo.bar();\n}\n\nfn main() {\n    // we now call the method with the i32 type, which doesn't implement\n    // the Foo trait\n    some_func(5i32); // error: the trait bound `i32 : Foo` is not satisfied\n}\n```\n\nIn order to fix this error, verify that the type you're using does implement\nthe trait. Example:\n\n```\ntrait Foo {\n    fn bar(&self);\n}\n\nfn some_func<T: Foo>(foo: T) {\n    foo.bar(); // we can now use this method since i32 implements the\n               // Foo trait\n}\n\n// we implement the trait on the i32 type\nimpl Foo for i32 {\n    fn bar(&self) {}\n}\n\nfn main() {\n    some_func(5i32); // ok!\n}\n```\n\nOr in a generic context, an erroneous code example would look like:\n\n```compile_fail,E0277\nfn some_func<T>(foo: T) {\n    println!(\"{:?}\", foo); // error: the trait `core::fmt::Debug` is not\n                           //        implemented for the type `T`\n}\n\nfn main() {\n    // We now call the method with the i32 type,\n    // which *does* implement the Debug trait.\n    some_func(5i32);\n}\n```\n\nNote that the error here is in the definition of the generic function: Although\nwe only call it with a parameter that does implement `Debug`, the compiler\nstill rejects the function: It must work with all possible input types. In\norder to make this example compile, we need to restrict the generic type we're\naccepting:\n\n```\nuse std::fmt;\n\n// Restrict the input type to types that implement Debug.\nfn some_func<T: fmt::Debug>(foo: T) {\n    println!(\"{:?}\", foo);\n}\n\nfn main() {\n    // Calling the method is still fine, as i32 implements Debug.\n    some_func(5i32);\n\n    // This would fail to compile now:\n    // struct WithoutDebug;\n    // some_func(WithoutDebug);\n}\n```\n\nRust only looks at the signature of the called function, as such it must\nalready specify all requirements that will be used for every type parameter.\n"},"level":"error","spans":[{"file_name":"/checkout/src/test/ui/try-block/try-block-bad-type.rs","byte_start":121,"byte_end":129,"line_start":7,"line_end":7,"column_start":9,"column_end":17,"is_primary":true,"text":[{"text":"        Err(\"\")?; //~ ERROR the trait bound `i32: std::convert::From<&str>` is not satisfied","highlight_start":9,"highlight_end":17}],"label":"the trait `std::convert::From<&str>` is not implemented for `i32`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"the following implementations were found:\n  <i32 as std::convert::From<bool>>\n  <i32 as std::convert::From<i16>>\n  <i32 as std::convert::From<i8>>\n  <i32 as std::convert::From<std::num::NonZeroI32>>\nand 2 others","code":null,"level":"help","spans":[],"children":[],"rendered":null},{"message":"required by `std::convert::From::from`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error[E0277]: the trait bound `i32: std::convert::From<&str>` is not satisfied\n  --> /checkout/src/test/ui/try-block/try-block-bad-type.rs:7:9\n   |\nLL |         Err(\"\")?; //~ ERROR the trait bound `i32: std::convert::From<&str>` is not satisfied\n   |         ^^^^^^^^ the trait `std::convert::From<&str>` is not implemented for `i32`\n   |\n   = help: the following implementations were found:\n             <i32 as std::convert::From<bool>>\n             <i32 as std::convert::From<i16>>\n             <i32 as std::convert::From<i8>>\n             <i32 as std::convert::From<std::num::NonZeroI32>>\n           and 2 others\n   = note: required by `std::convert::From::from`\n\n"}
[01:05:32] {"message":"type mismatch resolving `<std::result::Result<i32, i32> as std::ops::Try>::Ok == &str`","code":{"code":"E0271","explanation":"\nThis is because of a type mismatch between the associated type of some\ntrait (e.g., `T::Bar`, where `T` implements `trait Quux { type Bar; }`)\nand another type `U` that is required to be equal to `T::Bar`, but is not.\nExamples follow.\n\nHere is a basic example:\n\n```compile_fail,E0271\ntrait Trait { type AssociatedType; }\n\nfn foo<T>(t: T) where T: Trait<AssociatedType=u32> {\n    println!(\"in foo\");\n}\n\nimpl Trait for i8 { type AssociatedType = &'static str; }\n\nfoo(3_i8);\n```\n\nHere is that same example again, with some explanatory comments:\n\n```compile_fail,E0271\ntrait Trait { type AssociatedType; }\n\nfn foo<T>(t: T) where T: Trait<AssociatedType=u32> {\n//                    ~~~~~~~~ ~~~~~~~~~~~~~~~~~~\n//                        |            |\n//         This says `foo` can         |\n//           only be used with         |\n//              some type that         |\n//         implements `Trait`.         |\n//                                     |\n//                             This says not only must\n//                             `T` be an impl of `Trait`\n//                             but also that the impl\n//                             must assign the type `u32`\n//                             to the associated type.\n    println!(\"in foo\");\n}\n\nimpl Trait for i8 { type AssociatedType = &'static str; }\n//~~~~~~~~~~~~~~~   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n//      |                             |\n// `i8` does have                     |\n// implementation                     |\n// of `Trait`...                      |\n//                     ... but it is an implementation\n//                     that assigns `&'static str` to\n//                     the associated type.\n\nfoo(3_i8);\n// Here, we invoke `foo` with an `i8`, which does not satisfy\n// the constraint `<i8 as Trait>::AssociatedType=u32`, and\n// therefore the type-checker complains with this error code.\n```\n\nTo avoid those issues, you have to make the types match correctly.\nSo we can fix the previous examples like this:\n\n```\n// Basic Example:\ntrait Trait { type AssociatedType; }\n\nfn foo<T>(t: T) where T: Trait<AssociatedType = &'static str> {\n    println!(\"in foo\");\n}\n\nimpl Trait for i8 { type AssociatedType = &'static str; }\n\nfoo(3_i8);\n\n// For-Loop Example:\nlet vs = vec![1, 2, 3, 4];\nfor v in &vs {\n    match v {\n        &1 => {}\n        _ => {}\n    }\n}\n```\n"},"level":"error","spans":[{"file_name":"/checkout/src/test/ui/try-block/try-block-bad-type.rs","byte_start":270,"byte_end":272,"line_start":12,"line_end":12,"column_start":9,"column_end":11,"is_primary":true,"text":[{"text":"        \"\" //~ ERROR type mismatch","highlight_start":9,"highlight_end":11}],"label":"expected i32, found &str","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"expected type `i32`\n   found type `&str`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error[E0271]: type mismatch resolving `<std::result::Result<i32, i32> as std::ops::Try>::Ok == &str`\n  --> /checkout/src/test/ui/try-block/try-block-bad-type.rs:12:9\n   |\nLL |         \"\" //~ ERROR type mismatch\n   |         ^^ expected i32, found &str\n   |\n   = note: expected type `i32`\n              found type `&str`\n\n"}
[01:05:32] {"message":"type mismatch resolving `<std::result::Result<i32, i32> as std::ops::Try>::Ok == ()`","code":{"code":"E0271","explanation":"\nThis is because of a type mismatch between the associated type of some\ntrait (e.g., `T::Bar`, where `T` implements `trait Quux { type Bar; }`)\nand another type `U` that is required to be equal to `T::Bar`, but is not.\nExamples follow.\n\nHere is a basic example:\n\n```compile_fail,E0271\ntrait Trait { type AssociatedType; }\n\nfn foo<T>(t: T) where T: Trait<AssociatedType=u32> {\n    println!(\"in foo\");\n}\n\nimpl Trait for i8 { type AssociatedType = &'static str; }\n\nfoo(3_i8);\n```\n\nHere is that same example again, with some explanatory comments:\n\n```compile_fail,E0271\ntrait Trait { type AssociatedType; }\n\nfn foo<T>(t: T) where T: Trait<AssociatedType=u32> {\n//                    ~~~~~~~~ ~~~~~~~~~~~~~~~~~~\n//                        |            |\n//         This says `foo` can         |\n//           only be used with         |\n//              some type that         |\n//         implements `Trait`.         |\n//                                     |\n//                             This says not only must\n//                             `T` be an impl of `Trait`\n//                             but also that the impl\n//                             must assign the type `u32`\n//                             to the associated type.\n    println!(\"in foo\");\n}\n\nimpl Trait for i8 { type AssociatedType = &'static str; }\n//~~~~~~~~~~~~~~~   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n//      |                             |\n// `i8` does have                     |\n// implementation                     |\n// of `Trait`...                      |\n//                     ... but it is an implementation\n//                     that assigns `&'static str` to\n//                     the associated type.\n\nfoo(3_i8);\n// Here, we invoke `foo` with an `i8`, which does not satisfy\n// the constraint `<i8 as Trait>::AssociatedType=u32`, and\n// therefore the type-checker complains with this error code.\n```\n\nTo avoid those issues, you have to make the types match correctly.\nSo we can fix the previous examples like this:\n\n```\n// Basic Example:\ntrait Trait { type AssociatedType; }\n\nfn foo<T>(t: T) where T: Trait<AssociatedType = &'static str> {\n    println!(\"in foo\");\n}\n\nimpl Trait for i8 { type AssociatedType = &'static str; }\n\nfoo(3_i8);\n\n// For-Loop Example:\nlet vs = vec![1, 2, 3, 4];\nfor v in &vs {\n    match v {\n        &1 => {}\n        _ => {}\n    }\n}\n```\n"},"level":"error","spans":[{"file_name":"/checkout/src/test/ui/try-block/try-block-bad-type.rs","byte_start":343,"byte_end":344,"line_start":15,"line_end":15,"column_start":39,"column_end":40,"is_primary":true,"text":[{"text":"    let res: Result<i32, i32> = try { }; //~ ERROR type mismatch","highlight_start":39,"highlight_end":40}],"label":"expected i32, found ()","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"/checkout/src/test/ui/try-block/try-block-bad-type.rs","byte_start":341,"byte_end":344,"line_start":15,"line_end":15,"column_start":37,"column_end":40,"is_primary":false,"text":[{"text":"    let res: Result<i32, i32> = try { }; //~ ERROR type mismatch","highlight_start":37,"highlight_end":40}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `try block`","def_site_span":{"file_name":"/checkout/src/test/ui/try-block/try-block-bad-type.rs","byte_start":341,"byte_end":344,"line_start":15,"line_end":15,"column_start":37,"column_end":40,"is_primary":false,"text":[{"text":"    let res: Result<i32, i32> = try { }; //~ ERROR type mismatch","highlight_start":37,"highlight_end":40}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[{"message":"expected type `i32`\n   found type `()`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error[E0271]: type mismatch resolving `<std::result::Result<i32, i32> as std::ops::Try>::Ok == ()`\n  --> /checkout/src/test/ui/try-block/try-block-bad-type.rs:15:39\n   |\nLL |     let res: Result<i32, i32> = try { }; //~ ERROR type mismatch\n   |                                       ^ expected i32, found ()\n   |\n   = note: expected type `i32`\n              found type `()`\n\n"}
[01:05:32] {"message":"the trait bound `(): std::ops::Try` is not satisfied","code":{"code":"E0277","explanation":"\nYou tried to use a type which doesn't implement some trait in a place which\nexpected that trait. Erroneous code example:\n\n```compile_fail,E0277\n// here we declare the Foo trait with a bar method\ntrait Foo {\n    fn bar(&self);\n}\n\n// we now declare a function which takes an object implementing the Foo trait\nfn some_func<T: Foo>(foo: T) {\n    foo.bar();\n}\n\nfn main() {\n    // we now call the method with the i32 type, which doesn't implement\n    // the Foo trait\n    some_func(5i32); // error: the trait bound `i32 : Foo` is not satisfied\n}\n```\n\nIn order to fix this error, verify that the type you're using does implement\nthe trait. Example:\n\n```\ntrait Foo {\n    fn bar(&self);\n}\n\nfn some_func<T: Foo>(foo: T) {\n    foo.bar(); // we can now use this method since i32 implements the\n               // Foo trait\n}\n\n// we implement the trait on the i32 type\nimpl Foo for i32 {\n    fn bar(&self) {}\n}\n\nfn main() {\n    some_func(5i32); // ok!\n}\n```\n\nOr in a generic context, an erroneous code example would look like:\n\n```compile_fail,E0277\nfn some_func<T>(foo: T) {\n    println!(\"{:?}\", foo); // error: the trait `core::fmt::Debug` is not\n                           //        implemented for the type `T`\n}\n\nfn main() {\n    // We now call the method with the i32 type,\n    // which *does* implement the Debug trait.\n    some_func(5i32);\n}\n```\n\nNote that the error here is in the definition of the generic function: Although\nwe only call it with a parameter that does implement `Debug`, the compiler\nstill rejects the function: It must work with all possible input types. In\norder to make this example compile, we need to restrict the generic type we're\naccepting:\n\n```\nuse std::fmt;\n\n// Restrict the input type to types that implement Debug.\nfn some_func<T: fmt::Debug>(foo: T) {\n    println!(\"{:?}\", foo);\n}\n\nfn main() {\n    // Calling the method is still fine, as i32 implements Debug.\n    some_func(5i32);\n\n    // This would fail to compile now:\n    // struct WithoutDebug;\n    // some_func(WithoutDebug);\n}\n```\n\nRust only looks at the signature of the called function, as such it must\nalready specify all requirements that will be used for every type parameter.\n"},"level":"error","spans":[{"file_name":"/checkout/src/test/ui/try-block/try-block-bad-type.rs","byte_start":393,"byte_end":396,"line_start":17,"line_end":17,"column_start":23,"column_end":26,"is_primary":true,"text":[{"text":"    let res: () = try { }; //~ the trait bound `(): std::ops::Try` is not satisfied","highlight_start":23,"highlight_end":26}],"label":"the trait `std::ops::Try` is not implemented for `()`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"/checkout/src/test/ui/try-block/try-block-bad-type.rs","byte_start":393,"byte_end":396,"line_start":17,"line_end":17,"column_start":23,"column_end":26,"is_primary":false,"text":[{"text":"    let res: () = try { }; //~ the trait bound `(): std::ops::Try` is not satisfied","highlight_start":23,"highlight_end":26}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `try block`","def_site_span":{"file_name":"/checkout/src/test/ui/try-block/try-block-bad-type.rs","byte_start":393,"byte_end":396,"line_start":17,"line_end":17,"column_start":23,"column_end":26,"is_primary":false,"text":[{"text":"    let res: () = try { }; //~ the trait bound `(): std::ops::Try` is not satisfied","highlight_start":23,"highlight_end":26}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[{"message":"required by `std::ops::Try::from_ok`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error[E0277]: the trait bound `(): std::ops::Try` is not satisfied\n  --> /checkout/src/test/ui/try-block/try-block-bad-type.rs:17:23\n   |\nLL |     let res: () = try { }; //~ the trait bound `(): std::ops::Try` is not satisfied\n   |                       ^^^ the trait `std::ops::Try` is not implemented for `()`\n   |\n   = note: required by `std::ops::Try::from_ok`\n\n"}
[01:05:32] {"message":"the trait bound `i32: std::ops::Try` is not satisfied","code":{"code":"E0277","explanation":"\nYou tried to use a type which doesn't implement some trait in a place which\nexpected that trait. Erroneous code example:\n\n```compile_fail,E0277\n// here we declare the Foo trait with a bar method\ntrait Foo {\n    fn bar(&self);\n}\n\n// we now declare a function which takes an object implementing the Foo trait\nfn some_func<T: Foo>(foo: T) {\n    foo.bar();\n}\n\nfn main() {\n    // we now call the method with the i32 type, which doesn't implement\n    // the Foo trait\n    some_func(5i32); // error: the trait bound `i32 : Foo` is not satisfied\n}\n```\n\nIn order to fix this error, verify that the type you're using does implement\nthe trait. Example:\n\n```\ntrait Foo {\n    fn bar(&self);\n}\n\nfn some_func<T: Foo>(foo: T) {\n    foo.bar(); // we can now use this method since i32 implements the\n               // Foo trait\n}\n\n// we implement the trait on the i32 type\nimpl Foo for i32 {\n    fn bar(&self) {}\n}\n\nfn main() {\n    some_func(5i32); // ok!\n}\n```\n\nOr in a generic context, an erroneous code example would look like:\n\n```compile_fail,E0277\nfn some_func<T>(foo: T) {\n    println!(\"{:?}\", foo); // error: the trait `core::fmt::Debug` is not\n                           //        implemented for the type `T`\n}\n\nfn main() {\n    // We now call the method with the i32 type,\n    // which *does* implement the Debug trait.\n    some_func(5i32);\n}\n```\n\nNote that the error here is in the definition of the generic function: Although\nwe only call it with a parameter that does implement `Debug`, the compiler\nstill rejects the function: It must work with all possible input types. In\norder to make this example compile, we need to restrict the generic type we're\naccepting:\n\n```\nuse std::fmt;\n\n// Restrict the input type to types that implement Debug.\nfn some_func<T: fmt::Debug>(foo: T) {\n    println!(\"{:?}\", foo);\n}\n\nfn main() {\n    // Calling the method is still fine, as i32 implements Debug.\n    some_func(5i32);\n\n    // This would fail to compile now:\n    // struct WithoutDebug;\n    // some_func(WithoutDebug);\n}\n```\n\nRust only looks at the signature of the called function, as such it must\nalready specify all requirements that will be used for every type parameter.\n"},"level":"error","spans":[{"file_name":"/checkout/src/test/ui/try-block/try-block-bad-type.rs","byte_start":479,"byte_end":484,"line_start":19,"line_end":19,"column_start":24,"column_end":29,"is_primary":true,"text":[{"text":"    let res: i32 = try { 5 }; //~ ERROR the trait bound `i32: std::ops::Try` is not satisfied","highlight_start":24,"highlight_end":29}],"label":"the trait `std::ops::Try` is not implemented for `i32`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"/checkout/src/test/ui/try-block/try-block-bad-type.rs","byte_start":479,"byte_end":484,"line_start":19,"line_end":19,"column_start":24,"column_end":29,"is_primary":false,"text":[{"text":"    let res: i32 = try { 5 }; //~ ERROR the trait bound `i32: std::ops::Try` is not satisfied","highlight_start":24,"highlight_end":29}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `try block`","def_site_span":{"file_name":"/checkout/src/test/ui/try-block/try-block-bad-type.rs","byte_start":479,"byte_end":484,"line_start":19,"line_end":19,"column_start":24,"column_end":29,"is_primary":false,"text":[{"text":"    let res: i32 = try { 5 }; //~ ERROR the trait bound `i32: std::ops::Try` is not satisfied","highlight_start":24,"highlight_end":29}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[{"message":"required by `std::ops::Try::from_ok`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error[E0277]: the trait bound `i32: std::ops::Try` is not satisfied\n  --> /checkout/src/test/ui/try-block/try-block-bad-type.rs:19:24\n   |\nLL |     let res: i32 = try { 5 }; //~ ERROR the trait bound `i32: std::ops::Try` is not satisfied\n   |                        ^^^^^ the trait `std::ops::Try` is not implemented for `i32`\n   |\n   = note: required by `std::ops::Try::from_ok`\n\n"}
[01:05:32] {"message":"aborting due to 5 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to 5 previous errors\n\n"}
[01:05:32] {"message":"Some errors occurred: E0271, E0277.","code":null,"level":"","spans":[],"children":[],"rendered":"Some errors occurred: E0271, E0277.\n"}
[01:05:32] 
[01:05:32] ------------------------------------------
[01:05:32] 
[01:05:32] thread '[ui] ui/try-block/try-block-bad-type.rs' panicked at 'explicit panic', src/tools/compiletest/src/runtest.rs:3425:9
---
[01:05:32] 
[01:05:32] thread 'main' panicked at 'Some tests failed', src/tools/compiletest/src/main.rs:516:22
[01:05:32] 
[01:05:32] 
[01:05:32] command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/compiletest" "--compile-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib" "--run-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "--rustc-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "--src-base" "/checkout/src/test/ui" "--build-base" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui" "--stage-id" "stage2-x86_64-unknown-linux-gnu" "--mode" "ui" "--target" "x86_64-unknown-linux-gnu" "--host" "x86_64-unknown-linux-gnu" "--llvm-filecheck" "/usr/lib/llvm-6.0/bin/FileCheck" "--host-rustcflags" "-Crpath -O -Zunstable-options  -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--target-rustcflags" "-Crpath -O -Zunstable-options  -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--docck-python" "/usr/bin/python2.7" "--lldb-python" "/usr/bin/python2.7" "--gdb" "/usr/bin/gdb" "--quiet" "--llvm-version" "6.0.0\n" "--system-llvm" "--cc" "" "--cxx" "" "--cflags" "" "--llvm-components" "" "--llvm-cxxflags" "" "--adb-path" "adb" "--adb-test-dir" "/data/tmp/work" "--android-cross-path" "" "--color" "always"
[01:05:32] 
[01:05:32] 
[01:05:32] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test
[01:05:32] Build completed unsuccessfully in 0:04:17
[01:05:32] Build completed unsuccessfully in 0:04:17
[01:05:32] Makefile:48: recipe for target 'check' failed
[01:05:32] make: *** [check] Error 1
The command "stamp sh -x -c "$RUN_SCRIPT"" exited with 2.
travis_time:start:135b6d7e
$ date && (curl -fs --head https://google.com | grep ^Date: | sed 's/Date: //g' || true)
Wed Apr 10 04:32:55 UTC 2019
---
travis_time:end:0e060fd0:start=1554870776403805454,finish=1554870776408359803,duration=4554349
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:1a3dbe80
$ ln -s . checkout && for CORE in obj/cores/core.*; do EXE=$(echo $CORE | sed 's|obj/cores/core\.[0-9]*\.!checkout!\(.*\)|\1|;y|!|/|'); if [ -f "$EXE" ]; then printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" "$CORE"; gdb --batch -q -c "$CORE" "$EXE" -iex 'set auto-load off' -iex 'dir src/' -iex 'set sysroot .' -ex bt -ex q; echo travis_fold":"end:crashlog; fi; done || true
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:08b5036c
travis_time:start:08b5036c
$ cat ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true
cat: ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers: No such file or directory
travis_fold:end:after_failure.5
travis_fold:start:after_failure.6
travis_time:start:00001728
$ dmesg | grep -i kill

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

[pietroalbini]

@bors r-

Legit.

[pietroalbini]

@bors r=Mark-Simulacrum

[bors]

📌 Commit 404df31 has been approved by Mark-Simulacrum

[bors]

🌲 The tree is currently closed for pull requests below priority 15, this pull request will be tested once the tree is reopened

[pietroalbini]

This will need to be backported to beta since it's landing on stable.

[pietroalbini]

This has been cherry-picked both on stable 1.34 and beta 1.35.