[INFO] fetching crate proper 0.1.5... [INFO] testing proper-0.1.5 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate proper 0.1.5 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate proper 0.1.5 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate proper 0.1.5 [INFO] finished tweaking crates.io crate proper 0.1.5 [INFO] tweaked toml for crates.io crate proper 0.1.5 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 18c5b49850d279a02573b147fb8389a704c2a259ddfb2e507c2a60225d56e782 [INFO] running `Command { std: "docker" "start" "-a" "18c5b49850d279a02573b147fb8389a704c2a259ddfb2e507c2a60225d56e782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18c5b49850d279a02573b147fb8389a704c2a259ddfb2e507c2a60225d56e782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18c5b49850d279a02573b147fb8389a704c2a259ddfb2e507c2a60225d56e782", kill_on_drop: false }` [INFO] [stdout] 18c5b49850d279a02573b147fb8389a704c2a259ddfb2e507c2a60225d56e782 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 69e66916320344ad75ac3a0e5bea60b8a4703bf41c97b7fd9984bd55cf2a3b9c [INFO] running `Command { std: "docker" "start" "-a" "69e66916320344ad75ac3a0e5bea60b8a4703bf41c97b7fd9984bd55cf2a3b9c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling proper v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(bind_by_move_pattern_guards, proc_macro_diagnostic, proc_macro_span)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.96s [INFO] running `Command { std: "docker" "inspect" "69e66916320344ad75ac3a0e5bea60b8a4703bf41c97b7fd9984bd55cf2a3b9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69e66916320344ad75ac3a0e5bea60b8a4703bf41c97b7fd9984bd55cf2a3b9c", kill_on_drop: false }` [INFO] [stdout] 69e66916320344ad75ac3a0e5bea60b8a4703bf41c97b7fd9984bd55cf2a3b9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ed1d4f1de3df36de0516760eaece9d36f3ebfc301fd7a04af3bb5b8a64a0ded [INFO] running `Command { std: "docker" "start" "-a" "6ed1d4f1de3df36de0516760eaece9d36f3ebfc301fd7a04af3bb5b8a64a0ded", kill_on_drop: false }` [INFO] [stderr] Compiling proper v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(bind_by_move_pattern_guards, proc_macro_diagnostic, proc_macro_span)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(bind_by_move_pattern_guards, proc_macro_diagnostic, proc_macro_span)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "6ed1d4f1de3df36de0516760eaece9d36f3ebfc301fd7a04af3bb5b8a64a0ded", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ed1d4f1de3df36de0516760eaece9d36f3ebfc301fd7a04af3bb5b8a64a0ded", kill_on_drop: false }` [INFO] [stdout] 6ed1d4f1de3df36de0516760eaece9d36f3ebfc301fd7a04af3bb5b8a64a0ded [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3dc7ec7f7cfbb0eeedbd2b05ee01f20999985180a16089375d9911872e223ce2 [INFO] running `Command { std: "docker" "start" "-a" "3dc7ec7f7cfbb0eeedbd2b05ee01f20999985180a16089375d9911872e223ce2", kill_on_drop: false }` [INFO] [stderr] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:66:12 [INFO] [stderr] | [INFO] [stderr] 66 | #![feature(bind_by_move_pattern_guards, proc_macro_diagnostic, proc_macro_span)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:66:12 [INFO] [stderr] | [INFO] [stderr] 66 | #![feature(bind_by_move_pattern_guards, proc_macro_diagnostic, proc_macro_span)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/proper-62690e7790409397) [INFO] [stdout] [INFO] [stderr] Doc-tests proper [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 16) ... FAILED [INFO] [stdout] test src/lib.rs - (line 54) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 16) stdout ---- [INFO] [stdout] error[E0468]: an `extern crate` loading macros must be at the crate root [INFO] [stdout] --> src/lib.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate proper; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:35:34 [INFO] [stdout] | [INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_16_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 3 | | #[macro_use] [INFO] [stdout] 4 | | extern crate proper; [INFO] [stdout] 5 | | [INFO] [stdout] ... | [INFO] [stdout] 21 | | let e_u8 = EnumU8::try_from(42u8)?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 26 | | let prim = e_u16 as u8; [INFO] [stdout] 27 | | } _doctest_main_src_lib_rs_16_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `EnumU8: From` is not satisfied [INFO] [stdout] --> src/lib.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 22 | let e_u8 = EnumU8::try_from(42u16)?; // won't compile! [INFO] [stdout] | ^^^^^^^^^^^^^^^^ the trait `From` is not implemented for `EnumU8` [INFO] [stdout] | [INFO] [stdout] = note: required because of the requirements on the impl of `Into` for `u16` [INFO] [stdout] = note: required because of the requirements on the impl of `TryFrom` for `EnumU8` [INFO] [stdout] = note: required by `try_from` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:36:35 [INFO] [stdout] | [INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_16_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 3 | | #[macro_use] [INFO] [stdout] 4 | | extern crate proper; [INFO] [stdout] 5 | | [INFO] [stdout] ... | [INFO] [stdout] 22 | | let e_u8 = EnumU8::try_from(42u16)?; // won't compile! [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 26 | | let prim = e_u16 as u8; [INFO] [stdout] 27 | | } _doctest_main_src_lib_rs_16_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:37:37 [INFO] [stdout] | [INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_16_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 3 | | #[macro_use] [INFO] [stdout] 4 | | extern crate proper; [INFO] [stdout] 5 | | [INFO] [stdout] ... | [INFO] [stdout] 23 | | let e_u16 = EnumU16::try_from(42u16)?; // compiles! [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 26 | | let prim = e_u16 as u8; [INFO] [stdout] 27 | | } _doctest_main_src_lib_rs_16_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0468. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 54) stdout ---- [INFO] [stdout] error[E0468]: an `extern crate` loading macros must be at the crate root [INFO] [stdout] --> src/lib.rs:56:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate proper; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `u16: From` is not satisfied [INFO] [stdout] --> src/lib.rs:62:20 [INFO] [stdout] | [INFO] [stdout] 10 | let prim: u16 = fd.into(); // won't compile! [INFO] [stdout] | ^^^^ the trait `From` is not implemented for `u16` [INFO] [stdout] | [INFO] [stdout] = help: the following implementations were found: [INFO] [stdout] > [INFO] [stdout] > [INFO] [stdout] > [INFO] [stdout] = note: required because of the requirements on the impl of `Into` for `FileDescriptor` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0468. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 16) [INFO] [stdout] src/lib.rs - (line 54) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "3dc7ec7f7cfbb0eeedbd2b05ee01f20999985180a16089375d9911872e223ce2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dc7ec7f7cfbb0eeedbd2b05ee01f20999985180a16089375d9911872e223ce2", kill_on_drop: false }` [INFO] [stdout] 3dc7ec7f7cfbb0eeedbd2b05ee01f20999985180a16089375d9911872e223ce2