[INFO] fetching crate async-lock 2.5.0...
[INFO] testing async-lock-2.5.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate async-lock 2.5.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate async-lock 2.5.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-lock 2.5.0
[INFO] finished tweaking crates.io crate async-lock 2.5.0
[INFO] tweaked toml for crates.io crate async-lock 2.5.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3f80089299591eb3fc7a488a8c246ab6ff3aae50a8f4c111ed47fa8fd8d8f1d
[INFO] running `Command { std: "docker" "start" "-a" "e3f80089299591eb3fc7a488a8c246ab6ff3aae50a8f4c111ed47fa8fd8d8f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3f80089299591eb3fc7a488a8c246ab6ff3aae50a8f4c111ed47fa8fd8d8f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f80089299591eb3fc7a488a8c246ab6ff3aae50a8f4c111ed47fa8fd8d8f1d", kill_on_drop: false }`
[INFO] [stdout] e3f80089299591eb3fc7a488a8c246ab6ff3aae50a8f4c111ed47fa8fd8d8f1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7da7f067c38258b19d22e03b2a44269e3f4b7c2bc493a4faf301911059e260e4
[INFO] running `Command { std: "docker" "start" "-a" "7da7f067c38258b19d22e03b2a44269e3f4b7c2bc493a4faf301911059e260e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling async-lock v2.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "7da7f067c38258b19d22e03b2a44269e3f4b7c2bc493a4faf301911059e260e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da7f067c38258b19d22e03b2a44269e3f4b7c2bc493a4faf301911059e260e4", kill_on_drop: false }`
[INFO] [stdout] 7da7f067c38258b19d22e03b2a44269e3f4b7c2bc493a4faf301911059e260e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec8f99a65d00a15a23be1b6c185bbddfbf019f51a3a6f8eb4a1b39afc67ec096
[INFO] running `Command { std: "docker" "start" "-a" "ec8f99a65d00a15a23be1b6c185bbddfbf019f51a3a6f8eb4a1b39afc67ec096", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-lock v2.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.38s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_lock-98a3c03e08d4edb4)
[INFO] [stderr]   Executable tests/barrier.rs (/opt/rustwide/target/debug/deps/barrier-1b4040bc4f1c0b6c)
[INFO] [stderr]   Executable tests/mutex.rs (/opt/rustwide/target/debug/deps/mutex-23fee3f45c455124)
[INFO] [stderr]   Executable tests/rwlock.rs (/opt/rustwide/target/debug/deps/rwlock-986b146dcd3a3c99)
[INFO] [stderr]   Executable tests/semaphore.rs (/opt/rustwide/target/debug/deps/semaphore-1dfe9a5bdd4eaa56)
[INFO] running `Command { std: "docker" "inspect" "ec8f99a65d00a15a23be1b6c185bbddfbf019f51a3a6f8eb4a1b39afc67ec096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8f99a65d00a15a23be1b6c185bbddfbf019f51a3a6f8eb4a1b39afc67ec096", kill_on_drop: false }`
[INFO] [stdout] ec8f99a65d00a15a23be1b6c185bbddfbf019f51a3a6f8eb4a1b39afc67ec096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e51510e4f91ecf44b242add92e8f676b7bf4132cfab86b45f694cdbc60c44ef
[INFO] running `Command { std: "docker" "start" "-a" "0e51510e4f91ecf44b242add92e8f676b7bf4132cfab86b45f694cdbc60c44ef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_lock-98a3c03e08d4edb4)
[INFO] [stderr]      Running tests/barrier.rs (/opt/rustwide/target/debug/deps/barrier-1b4040bc4f1c0b6c)
[INFO] [stdout] 
[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 1 test
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mutex.rs (/opt/rustwide/target/debug/deps/mutex-23fee3f45c455124)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test lifetime ... ok
[INFO] [stdout] test into_inner ... ok
[INFO] [stdout] test try_lock ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test contention ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/rwlock.rs (/opt/rustwide/target/debug/deps/rwlock-986b146dcd3a3c99)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test not_upgrade ... ok
[INFO] [stdout] test into_inner ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test try_write ... ok
[INFO] [stdout] test into_inner_and_drop ... ok
[INFO] [stdout] test upgrade ... ok
[INFO] [stdout] test upgradable_with_concurrent_writer ... ok
[INFO] [stdout] test writer_and_readers ... ok
[INFO] [stdout] test contention ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/semaphore.rs (/opt/rustwide/target/debug/deps/semaphore-1dfe9a5bdd4eaa56)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test as_mutex ... ok
[INFO] [stdout] test lifetime ... ok
[INFO] [stdout] test try_acquire ... ok
[INFO] [stdout] test multi_resource ... ok
[INFO] [stdout] test stress ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-lock
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::new (line 19) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::Barrier::new (line 29) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::into_inner (line 77) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::new (line 60) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::lock (line 95) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::try_acquire (line 38) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockUpgradableReadGuard::upgrade (line 575) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::try_write (line 329) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::new (line 74) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockUpgradableReadGuard::downgrade (line 511) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::get_mut (line 252) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockWriteGuard::downgrade_to_upgradable (line 698) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::upgradable_read (line 278) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::Barrier::wait (line 54) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockUpgradableReadGuard::try_upgrade (line 540) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::into_inner (line 93) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::BarrierWaitResult::is_leader (line 119) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockWriteGuard::downgrade (line 660) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::try_read (line 112) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::try_lock (line 223) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::MutexGuardArc<T>::source (line 425) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::MutexGuard::source (line 366) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::try_lock_arc (line 303) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::acquire (line 75) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::acquire_arc (line 160) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::try_acquire_arc (line 107) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::BarrierWaitResult (line 101) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::read (line 161) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::write (line 365) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock (line 24) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::lock_arc (line 281) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 24) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::try_upgradable_read (line 222) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::get_mut (line 408) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e51510e4f91ecf44b242add92e8f676b7bf4132cfab86b45f694cdbc60c44ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e51510e4f91ecf44b242add92e8f676b7bf4132cfab86b45f694cdbc60c44ef", kill_on_drop: false }`
[INFO] [stdout] 0e51510e4f91ecf44b242add92e8f676b7bf4132cfab86b45f694cdbc60c44ef