[INFO] fetching crate async-lock 2.5.0...
[INFO] testing async-lock-2.5.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate async-lock 2.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate async-lock 2.5.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89433b93cc02647fb153d9b491111d81f9d6052f49f87e152bf3048f7c6b5fa8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "89433b93cc02647fb153d9b491111d81f9d6052f49f87e152bf3048f7c6b5fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89433b93cc02647fb153d9b491111d81f9d6052f49f87e152bf3048f7c6b5fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89433b93cc02647fb153d9b491111d81f9d6052f49f87e152bf3048f7c6b5fa8", kill_on_drop: false }`
[INFO] [stdout] 89433b93cc02647fb153d9b491111d81f9d6052f49f87e152bf3048f7c6b5fa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc792215bc929b173bb74d8987736d838c25ae4b85ee3d42a6da95fdda19359e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc792215bc929b173bb74d8987736d838c25ae4b85ee3d42a6da95fdda19359e", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-lock v2.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "fc792215bc929b173bb74d8987736d838c25ae4b85ee3d42a6da95fdda19359e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc792215bc929b173bb74d8987736d838c25ae4b85ee3d42a6da95fdda19359e", kill_on_drop: false }`
[INFO] [stdout] fc792215bc929b173bb74d8987736d838c25ae4b85ee3d42a6da95fdda19359e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fd557a2ddab3de1929148e537fe4e52d7d51da2fd796ef4ba497aac2cb262aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9fd557a2ddab3de1929148e537fe4e52d7d51da2fd796ef4ba497aac2cb262aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-lock v2.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "9fd557a2ddab3de1929148e537fe4e52d7d51da2fd796ef4ba497aac2cb262aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd557a2ddab3de1929148e537fe4e52d7d51da2fd796ef4ba497aac2cb262aa", kill_on_drop: false }`
[INFO] [stdout] 9fd557a2ddab3de1929148e537fe4e52d7d51da2fd796ef4ba497aac2cb262aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 300d980150498d7135e888f5037e4a9291e9f5cf794d335d344a61914182422d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "300d980150498d7135e888f5037e4a9291e9f5cf794d335d344a61914182422d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_lock-c055aa11fd4547c4)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/barrier.rs (/opt/rustwide/target/debug/deps/barrier-e0dabd3134d19aa2)
[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] [stderr]      Running tests/mutex.rs (/opt/rustwide/target/debug/deps/mutex-3d70f3337c56ac31)
[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] [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 smoke ... ok
[INFO] [stdout] test try_lock ... ok
[INFO] [stderr]      Running tests/rwlock.rs (/opt/rustwide/target/debug/deps/rwlock-fa1b65b145f80c00)
[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 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test into_inner ... ok
[INFO] [stdout] test upgrade ... ok
[INFO] [stdout] test try_write ... ok
[INFO] [stdout] test upgradable_with_concurrent_writer ... ok
[INFO] [stdout] test into_inner_and_drop ... ok
[INFO] [stdout] test not_upgrade ... ok
[INFO] [stdout] test smoke ... 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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/semaphore.rs (/opt/rustwide/target/debug/deps/semaphore-ccdad5a02aaaff55)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test as_mutex ... ok
[INFO] [stdout] test try_acquire ... ok
[INFO] [stdout] test lifetime ... ok
[INFO] [stdout] test multi_resource ... ok
[INFO] [stderr]    Doc-tests async-lock
[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] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::try_lock (line 223) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::Barrier::new (line 29) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::try_lock_arc (line 303) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::new (line 60) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::BarrierWaitResult (line 101) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::into_inner (line 77) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::get_mut (line 252) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::MutexGuard::source (line 366) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::lock_arc (line 281) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::Barrier::wait (line 54) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::get_mut (line 408) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 24) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::BarrierWaitResult::is_leader (line 119) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::into_inner (line 93) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock (line 24) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::MutexGuardArc<T>::source (line 425) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::lock (line 95) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::write (line 365) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockUpgradableReadGuard::try_upgrade (line 540) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::new (line 74) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::try_write (line 329) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockUpgradableReadGuard::downgrade (line 511) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockWriteGuard::downgrade (line 660) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::new (line 19) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::acquire_arc (line 160) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::try_read (line 112) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::acquire (line 75) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::read (line 161) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::try_acquire_arc (line 107) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockUpgradableReadGuard::upgrade (line 575) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::try_acquire (line 38) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::upgradable_read (line 278) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::try_upgradable_read (line 222) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockWriteGuard::downgrade_to_upgradable (line 698) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "300d980150498d7135e888f5037e4a9291e9f5cf794d335d344a61914182422d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300d980150498d7135e888f5037e4a9291e9f5cf794d335d344a61914182422d", kill_on_drop: false }`
[INFO] [stdout] 300d980150498d7135e888f5037e4a9291e9f5cf794d335d344a61914182422d