[INFO] fetching crate mcslock 0.4.1...
[INFO] testing mcslock-0.4.1 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate mcslock 0.4.1 into /workspace/builds/worker-4-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcslock 0.4.1 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generator v0.8.1
[INFO] [stderr]   Downloaded windows-result v0.1.1
[INFO] [stderr]   Downloaded rustversion v1.0.17
[INFO] [stderr]   Downloaded windows-core v0.54.0
[INFO] [stderr]   Downloaded cc v1.0.98
[INFO] [stderr]   Downloaded windows v0.54.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6b9fde2816a0227af78a8f6cc125b784582e85c09bada5956a07154d330d0ef
[INFO] running `Command { std: "docker" "start" "-a" "c6b9fde2816a0227af78a8f6cc125b784582e85c09bada5956a07154d330d0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6b9fde2816a0227af78a8f6cc125b784582e85c09bada5956a07154d330d0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b9fde2816a0227af78a8f6cc125b784582e85c09bada5956a07154d330d0ef", kill_on_drop: false }`
[INFO] [stdout] c6b9fde2816a0227af78a8f6cc125b784582e85c09bada5956a07154d330d0ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a002252c3bdcce1711e4c880689dd5030a24690bae29de09433a62dd6f86d6ec
[INFO] running `Command { std: "docker" "start" "-a" "a002252c3bdcce1711e4c880689dd5030a24690bae29de09433a62dd6f86d6ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcslock v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "a002252c3bdcce1711e4c880689dd5030a24690bae29de09433a62dd6f86d6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a002252c3bdcce1711e4c880689dd5030a24690bae29de09433a62dd6f86d6ec", kill_on_drop: false }`
[INFO] [stdout] a002252c3bdcce1711e4c880689dd5030a24690bae29de09433a62dd6f86d6ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89428712b886447023d32b9df55aaddace616c1bf714e5223d9d0494031ad9b1
[INFO] running `Command { std: "docker" "start" "-a" "89428712b886447023d32b9df55aaddace616c1bf714e5223d9d0494031ad9b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcslock v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "89428712b886447023d32b9df55aaddace616c1bf714e5223d9d0494031ad9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89428712b886447023d32b9df55aaddace616c1bf714e5223d9d0494031ad9b1", kill_on_drop: false }`
[INFO] [stdout] 89428712b886447023d32b9df55aaddace616c1bf714e5223d9d0494031ad9b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d8a5eac9eead2849629edd7c18d6dea2f5211d6fe95a9a834bc79430ead8c71
[INFO] running `Command { std: "docker" "start" "-a" "8d8a5eac9eead2849629edd7c18d6dea2f5211d6fe95a9a834bc79430ead8c71", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[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::node_waiter_drop_does_not_matter ... ok
[INFO] [stdout] test raw::mutex::test::test_lock_unsized ... ok
[INFO] [stdout] test raw::mutex::test::test_get_mut ... 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 raw::mutex::test::test_acquire_more_than_one_lock ... ok
[INFO] [stdout] test relax::test::loops ... ok
[INFO] [stdout] test relax::test::spins_backoff ... ok
[INFO] [stdout] test raw::mutex::test::test_into_inner ... ok
[INFO] [stdout] test relax::test::spins ... ok
[INFO] [stdout] test relax::test::yields_backoff ... ok
[INFO] [stdout] test raw::mutex::test::test_lock_arc_nested ... ok
[INFO] [stdout] test raw::mutex::test::test_try_lock ... ok
[INFO] [stdout] test raw::mutex::test::test_into_inner_drop ... ok
[INFO] [stdout] test raw::mutex::test::lots_and_lots_mixed_lock_yield_backoff ... ok
[INFO] [stdout] test raw::mutex::test::lots_and_lots_try_lock_yield_backoff ... ok
[INFO] [stdout] test relax::test::yields ... ok
[INFO] [stdout] test raw::mutex::test::test_lock_arc_access_in_unwind ... ok
[INFO] [stdout] test raw::mutex::test::lots_and_lots_lock_yield_backoff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[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<T,R>::lock_with_then (line 400) - compile fail ... FAILED
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::try_lock_then (line 232) - compile fail ... FAILED
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::lock_then (line 346) - compile fail ... FAILED
[INFO] [stdout] test src/lib.rs - (line 112) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::new (line 145) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::get_mut (line 451) ... ok
[INFO] [stdout] test src/raw/mod.rs - raw::loops::Mutex (line 151) ... ok
[INFO] [stdout] test src/relax.rs - relax::Relax (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 73) ... 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<T,R>::lock_then (line 324) ... ok
[INFO] [stdout] test src/raw/mod.rs - raw::spins::Mutex (line 52) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::into_inner (line 171) ... ok
[INFO] [stdout] test src/raw/mod.rs - raw::spins::backoff::Mutex (line 76) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::is_locked (line 424) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::try_lock_with_then (line 293) - compile fail ... FAILED
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::lock_with_then (line 376) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::try_lock_then (line 203) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::try_lock_with_then (line 262) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex (line 84) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/raw/mutex.rs - raw::mutex::Mutex<T,R>::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<T,R>::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<T,R>::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<T,R>::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<T,R>::lock_then (line 346)
[INFO] [stdout]     src/raw/mutex.rs - raw::mutex::Mutex<T,R>::lock_with_then (line 400)
[INFO] [stdout]     src/raw/mutex.rs - raw::mutex::Mutex<T,R>::try_lock_then (line 232)
[INFO] [stdout]     src/raw/mutex.rs - raw::mutex::Mutex<T,R>::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 1.53s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8d8a5eac9eead2849629edd7c18d6dea2f5211d6fe95a9a834bc79430ead8c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d8a5eac9eead2849629edd7c18d6dea2f5211d6fe95a9a834bc79430ead8c71", kill_on_drop: false }`
[INFO] [stdout] 8d8a5eac9eead2849629edd7c18d6dea2f5211d6fe95a9a834bc79430ead8c71
