[INFO] fetching crate mcslock 0.4.1... [INFO] testing mcslock-0.4.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate mcslock 0.4.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate mcslock 0.4.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate mcslock 0.4.1 [INFO] tweaked toml for crates.io crate mcslock 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcslock 0.4.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mcslock 0.4.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 138268b5fd1ca465d0db7e4b8e1c4a9041ec9af8249ffb2398f315099733e00a [INFO] running `Command { std: "docker" "start" "-a" "138268b5fd1ca465d0db7e4b8e1c4a9041ec9af8249ffb2398f315099733e00a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "138268b5fd1ca465d0db7e4b8e1c4a9041ec9af8249ffb2398f315099733e00a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "138268b5fd1ca465d0db7e4b8e1c4a9041ec9af8249ffb2398f315099733e00a", kill_on_drop: false }` [INFO] [stdout] 138268b5fd1ca465d0db7e4b8e1c4a9041ec9af8249ffb2398f315099733e00a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d0a03630bfd041c45ca70799ad49b1d291cd92e37d17e3f4b82f9f16cb4bb5e [INFO] running `Command { std: "docker" "start" "-a" "7d0a03630bfd041c45ca70799ad49b1d291cd92e37d17e3f4b82f9f16cb4bb5e", kill_on_drop: false }` [INFO] [stderr] Compiling mcslock v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "7d0a03630bfd041c45ca70799ad49b1d291cd92e37d17e3f4b82f9f16cb4bb5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d0a03630bfd041c45ca70799ad49b1d291cd92e37d17e3f4b82f9f16cb4bb5e", kill_on_drop: false }` [INFO] [stdout] 7d0a03630bfd041c45ca70799ad49b1d291cd92e37d17e3f4b82f9f16cb4bb5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d65e454d9a82a6104c9a325606bdaca0a353a6ff551ee735e6e60551ab4b89f [INFO] running `Command { std: "docker" "start" "-a" "9d65e454d9a82a6104c9a325606bdaca0a353a6ff551ee735e6e60551ab4b89f", kill_on_drop: false }` [INFO] [stderr] Compiling mcslock v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "9d65e454d9a82a6104c9a325606bdaca0a353a6ff551ee735e6e60551ab4b89f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d65e454d9a82a6104c9a325606bdaca0a353a6ff551ee735e6e60551ab4b89f", kill_on_drop: false }` [INFO] [stdout] 9d65e454d9a82a6104c9a325606bdaca0a353a6ff551ee735e6e60551ab4b89f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9ffe60a978aff1087dfd5a75602fbd4de0b5a55ad037733c054f99cfcfe1faa5 [INFO] running `Command { std: "docker" "start" "-a" "9ffe60a978aff1087dfd5a75602fbd4de0b5a55ad037733c054f99cfcfe1faa5", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcslock-d99c0f2880b5605a) [INFO] [stdout] [INFO] [stdout] running 21 tests [INFO] [stdout] test raw::mutex::test::node_waiter_drop_does_not_matter ... ok [INFO] [stdout] test raw::mutex::test::smoke ... ok [INFO] [stdout] test raw::mutex::test::test_into_inner ... ok [INFO] [stdout] test raw::mutex::test::lots_and_lots_mixed_lock_yield_backoff ... ok [INFO] [stdout] test raw::mutex::test::lots_and_lots_lock_yield_backoff ... ok [INFO] [stdout] test raw::mutex::test::lots_and_lots_try_lock_yield_backoff ... ok [INFO] [stdout] test raw::mutex::test::test_get_mut ... ok [INFO] [stdout] test raw::mutex::test::test_acquire_more_than_one_lock ... ok [INFO] [stdout] test raw::mutex::test::test_into_inner_drop ... ok [INFO] [stdout] test raw::mutex::test::test_lock_unsized ... ok [INFO] [stdout] test raw::mutex::test::test_mutex_debug ... ok [INFO] [stdout] test raw::mutex::test::test_mutex_default ... ok [INFO] [stdout] test raw::mutex::test::test_mutex_from ... ok [INFO] [stdout] test relax::test::loops ... ok [INFO] [stdout] test relax::test::spins ... ok [INFO] [stdout] test raw::mutex::test::test_try_lock ... ok [INFO] [stdout] test relax::test::spins_backoff ... ok [INFO] [stdout] test raw::mutex::test::test_lock_arc_nested ... ok [INFO] [stdout] test relax::test::yields_backoff ... ok [INFO] [stdout] test relax::test::yields ... ok [INFO] [stdout] test raw::mutex::test::test_lock_arc_access_in_unwind ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests mcslock [INFO] [stderr] warning: the `main` function of this doctest won't be run as it contains expressions at the top level, meaning that the whole doctest code will be wrapped in a function [INFO] [stderr] --> src/lib.rs:73:1 [INFO] [stderr] | [INFO] [stderr] 73 | //! ``` [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the `main` function of this doctest won't be run as it contains expressions at the top level, meaning that the whole doctest code will be wrapped in a function [INFO] [stderr] --> src/lib.rs:112:1 [INFO] [stderr] | [INFO] [stderr] 112 | //! ``` [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 21 tests [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::lock_with_then (line 400) - compile fail ... FAILED [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::lock_then (line 346) - compile fail ... FAILED [INFO] [stdout] test src/lib.rs - (line 73) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::get_mut (line 451) ... ok [INFO] [stdout] test src/lib.rs - (line 112) ... ok [INFO] [stdout] test src/raw/mod.rs - raw::loops::Mutex (line 151) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::is_locked (line 424) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::try_lock_with_then (line 293) - compile fail ... FAILED [INFO] [stdout] test src/raw/mod.rs - raw::spins::backoff::Mutex (line 76) ... ok [INFO] [stdout] test src/lib.rs - (line 42) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::into_inner (line 171) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::try_lock_then (line 232) - compile fail ... FAILED [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::new (line 145) ... ok [INFO] [stdout] test src/raw/mod.rs - raw::spins::Mutex (line 52) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::lock_then (line 324) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::try_lock_then (line 203) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::MutexNode::new (line 33) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::lock_with_then (line 376) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::try_lock_with_then (line 262) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex (line 84) ... ok [INFO] [stdout] test src/relax.rs - relax::Relax (line 29) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/raw/mutex.rs - raw::mutex::Mutex::lock_with_then (line 400) stdout ---- [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/raw/mutex.rs:406:53 [INFO] [stdout] | [INFO] [stdout] 9 | let borrow = mutex.lock_with_then(&mut node, |data| &*data); [INFO] [stdout] | ----- ^^^^^^ returning this value requires that `'1` must outlive `'2` [INFO] [stdout] | | | [INFO] [stdout] | | return type of closure is &'2 i32 [INFO] [stdout] | has type `&'1 mut i32` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Some expected error codes were not found: ["E0515"] [INFO] [stdout] ---- src/raw/mutex.rs - raw::mutex::Mutex::lock_then (line 346) stdout ---- [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/raw/mutex.rs:351:37 [INFO] [stdout] | [INFO] [stdout] 8 | let borrow = mutex.lock_then(|data| &*data); [INFO] [stdout] | ----- ^^^^^^ returning this value requires that `'1` must outlive `'2` [INFO] [stdout] | | | [INFO] [stdout] | | return type of closure is &'2 i32 [INFO] [stdout] | has type `&'1 mut i32` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Some expected error codes were not found: ["E0515"] [INFO] [stdout] ---- src/raw/mutex.rs - raw::mutex::Mutex::try_lock_with_then (line 293) stdout ---- [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/raw/mutex.rs:299:57 [INFO] [stdout] | [INFO] [stdout] 9 | let borrow = mutex.try_lock_with_then(&mut node, |data| &*data.unwrap()); [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^ returning this value requires that `'1` must outlive `'2` [INFO] [stdout] | | | [INFO] [stdout] | | return type of closure is &'2 i32 [INFO] [stdout] | has type `Option<&'1 mut i32>` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Some expected error codes were not found: ["E0515"] [INFO] [stdout] ---- src/raw/mutex.rs - raw::mutex::Mutex::try_lock_then (line 232) stdout ---- [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/raw/mutex.rs:237:41 [INFO] [stdout] | [INFO] [stdout] 8 | let borrow = mutex.try_lock_then(|data| &*data.unwrap()); [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^ returning this value requires that `'1` must outlive `'2` [INFO] [stdout] | | | [INFO] [stdout] | | return type of closure is &'2 i32 [INFO] [stdout] | has type `Option<&'1 mut i32>` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Some expected error codes were not found: ["E0515"] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/raw/mutex.rs - raw::mutex::Mutex::lock_then (line 346) [INFO] [stdout] src/raw/mutex.rs - raw::mutex::Mutex::lock_with_then (line 400) [INFO] [stdout] src/raw/mutex.rs - raw::mutex::Mutex::try_lock_then (line 232) [INFO] [stdout] src/raw/mutex.rs - raw::mutex::Mutex::try_lock_with_then (line 293) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 17 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "9ffe60a978aff1087dfd5a75602fbd4de0b5a55ad037733c054f99cfcfe1faa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ffe60a978aff1087dfd5a75602fbd4de0b5a55ad037733c054f99cfcfe1faa5", kill_on_drop: false }` [INFO] [stdout] 9ffe60a978aff1087dfd5a75602fbd4de0b5a55ad037733c054f99cfcfe1faa5