[INFO] fetching crate mcslock 0.4.1... [INFO] testing mcslock-0.4.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate mcslock 0.4.1 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcslock 0.4.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59253947fcba9e409dc53ceb50a176fbf5836171505dce5bf6dd885630fddc75 [INFO] running `Command { std: "docker" "start" "-a" "59253947fcba9e409dc53ceb50a176fbf5836171505dce5bf6dd885630fddc75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59253947fcba9e409dc53ceb50a176fbf5836171505dce5bf6dd885630fddc75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59253947fcba9e409dc53ceb50a176fbf5836171505dce5bf6dd885630fddc75", kill_on_drop: false }` [INFO] [stdout] 59253947fcba9e409dc53ceb50a176fbf5836171505dce5bf6dd885630fddc75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66ec72cbbb988334f68e038e4ef0110daab06bd09faea7ed597c13992fff046c [INFO] running `Command { std: "docker" "start" "-a" "66ec72cbbb988334f68e038e4ef0110daab06bd09faea7ed597c13992fff046c", kill_on_drop: false }` [INFO] [stderr] Compiling mcslock v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "66ec72cbbb988334f68e038e4ef0110daab06bd09faea7ed597c13992fff046c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66ec72cbbb988334f68e038e4ef0110daab06bd09faea7ed597c13992fff046c", kill_on_drop: false }` [INFO] [stdout] 66ec72cbbb988334f68e038e4ef0110daab06bd09faea7ed597c13992fff046c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd95c59d14a0fb1fe666c0a2bc3612a01ef887cf72a2d4309000394e76f59faf [INFO] running `Command { std: "docker" "start" "-a" "fd95c59d14a0fb1fe666c0a2bc3612a01ef887cf72a2d4309000394e76f59faf", kill_on_drop: false }` [INFO] [stderr] Compiling mcslock v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.45s [INFO] running `Command { std: "docker" "inspect" "fd95c59d14a0fb1fe666c0a2bc3612a01ef887cf72a2d4309000394e76f59faf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd95c59d14a0fb1fe666c0a2bc3612a01ef887cf72a2d4309000394e76f59faf", kill_on_drop: false }` [INFO] [stdout] fd95c59d14a0fb1fe666c0a2bc3612a01ef887cf72a2d4309000394e76f59faf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e8b43edb832629c769709306226a7e18028be7fb12225218aaebd6a6395724cd [INFO] running `Command { std: "docker" "start" "-a" "e8b43edb832629c769709306226a7e18028be7fb12225218aaebd6a6395724cd", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [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::smoke ... ok [INFO] [stdout] test raw::mutex::test::test_into_inner ... ok [INFO] [stdout] test raw::mutex::test::test_get_mut ... ok [INFO] [stdout] test raw::mutex::test::node_waiter_drop_does_not_matter ... ok [INFO] [stdout] test raw::mutex::test::test_into_inner_drop ... ok [INFO] [stdout] test raw::mutex::test::test_acquire_more_than_one_lock ... ok [INFO] [stdout] test raw::mutex::test::test_lock_unsized ... ok [INFO] [stdout] test raw::mutex::test::test_mutex_default ... ok [INFO] [stdout] test raw::mutex::test::test_mutex_debug ... ok [INFO] [stdout] test raw::mutex::test::test_lock_arc_nested ... ok [INFO] [stdout] test raw::mutex::test::test_mutex_from ... ok [INFO] [stdout] test relax::test::loops ... ok [INFO] [stdout] test raw::mutex::test::test_try_lock ... ok [INFO] [stdout] test relax::test::spins ... ok [INFO] [stdout] test relax::test::spins_backoff ... ok [INFO] [stdout] test relax::test::yields_backoff ... ok [INFO] [stdout] test relax::test::yields ... 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::lots_and_lots_mixed_lock_yield_backoff ... 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 0.09s [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/lib.rs - (line 112) ... ok [INFO] [stdout] test src/raw/mod.rs - raw::spins::backoff::Mutex (line 76) ... ok [INFO] [stdout] test src/raw/mod.rs - raw::spins::Mutex (line 52) ... ok [INFO] [stdout] test src/lib.rs - (line 73) ... ok [INFO] [stdout] test src/raw/mod.rs - raw::loops::Mutex (line 151) ... 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::get_mut (line 451) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::into_inner (line 171) ... ok [INFO] [stdout] test src/lib.rs - (line 42) ... 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::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/raw/mutex.rs - raw::mutex::Mutex::new (line 145) ... 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_then (line 232) - compile fail ... FAILED [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::MutexNode::new (line 33) ... ok [INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex::try_lock_then (line 203) ... ok [INFO] [stdout] test src/relax.rs - relax::Relax (line 29) ... 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/raw/mutex.rs - raw::mutex::Mutex::try_lock_with_then (line 293) - compile fail ... FAILED [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] 406 | 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] 351 | 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_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] 237 | 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] ---- 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] 299 | 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] [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 2.07s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "e8b43edb832629c769709306226a7e18028be7fb12225218aaebd6a6395724cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8b43edb832629c769709306226a7e18028be7fb12225218aaebd6a6395724cd", kill_on_drop: false }` [INFO] [stdout] e8b43edb832629c769709306226a7e18028be7fb12225218aaebd6a6395724cd