[INFO] fetching crate async-lock 2.4.0...
[INFO] testing async-lock-2.4.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate async-lock 2.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-lock 2.4.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-lock 2.4.0
[INFO] finished tweaking crates.io crate async-lock 2.4.0
[INFO] tweaked toml for crates.io crate async-lock 2.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80eded308b3d3c9f202432010b02562b2d4ee567b4731137dd7786cdcd276e36
[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" "80eded308b3d3c9f202432010b02562b2d4ee567b4731137dd7786cdcd276e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80eded308b3d3c9f202432010b02562b2d4ee567b4731137dd7786cdcd276e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80eded308b3d3c9f202432010b02562b2d4ee567b4731137dd7786cdcd276e36", kill_on_drop: false }`
[INFO] [stdout] 80eded308b3d3c9f202432010b02562b2d4ee567b4731137dd7786cdcd276e36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8901ed702a9c9e1700b59e05873ac2e72a82028442e6caf73cc31156e9b47362
[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" "8901ed702a9c9e1700b59e05873ac2e72a82028442e6caf73cc31156e9b47362", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-lock v2.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "8901ed702a9c9e1700b59e05873ac2e72a82028442e6caf73cc31156e9b47362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8901ed702a9c9e1700b59e05873ac2e72a82028442e6caf73cc31156e9b47362", kill_on_drop: false }`
[INFO] [stdout] 8901ed702a9c9e1700b59e05873ac2e72a82028442e6caf73cc31156e9b47362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce6d5d4ae9d67d68f222512c62d39fd3dc742fd4cecdc9505a8853bd05f421e6
[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" "ce6d5d4ae9d67d68f222512c62d39fd3dc742fd4cecdc9505a8853bd05f421e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling async-lock v2.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "ce6d5d4ae9d67d68f222512c62d39fd3dc742fd4cecdc9505a8853bd05f421e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6d5d4ae9d67d68f222512c62d39fd3dc742fd4cecdc9505a8853bd05f421e6", kill_on_drop: false }`
[INFO] [stdout] ce6d5d4ae9d67d68f222512c62d39fd3dc742fd4cecdc9505a8853bd05f421e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8191f1a190ce4e8c13a077c4d7ba17192d2f403d49995e798216b3835e4b1808
[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" "8191f1a190ce4e8c13a077c4d7ba17192d2f403d49995e798216b3835e4b1808", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_lock-1d5bcaee169ecfab)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/barrier.rs (/opt/rustwide/target/debug/deps/barrier-ea41f89c0445e9ea)
[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-b9a12c9df196ce64)
[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 0.13s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test into_inner ... ok
[INFO] [stdout] test try_lock ... ok
[INFO] [stderr]      Running tests/rwlock.rs (/opt/rustwide/target/debug/deps/rwlock-f4abcf2af27076c8)
[INFO] [stdout] test contention ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test upgrade ... ok
[INFO] [stdout] test into_inner_and_drop ... ok
[INFO] [stdout] test not_upgrade ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test upgradable_with_concurrent_writer ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test into_inner ... ok
[INFO] [stdout] test try_write ... ok
[INFO] [stdout] test writer_and_readers ... ok
[INFO] [stderr]      Running tests/semaphore.rs (/opt/rustwide/target/debug/deps/semaphore-4f835621cd9d1982)
[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 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test as_mutex ... ok
[INFO] [stdout] test try_acquire ... 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. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::into_inner (line 76) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::BarrierWaitResult::is_leader (line 119) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::new (line 59) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::Barrier::new (line 29) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::try_lock (line 222) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::try_lock_arc (line 298) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::get_mut (line 408) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock (line 24) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 23) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::BarrierWaitResult (line 101) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::lock (line 94) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::lock_arc (line 272) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::Barrier::wait (line 54) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::into_inner (line 93) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::MutexGuard::source (line 361) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::MutexGuardArc<T>::source (line 420) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::get_mut (line 251) ... 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/semaphore.rs - semaphore::Semaphore::try_acquire (line 37) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::acquire (line 74) ... 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>::read (line 161) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::try_read (line 112) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::try_acquire_arc (line 106) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::new (line 18) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::upgradable_read (line 278) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::write (line 365) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockWriteGuard::downgrade_to_upgradable (line 698) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockWriteGuard::downgrade (line 660) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockUpgradableReadGuard::downgrade (line 511) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockUpgradableReadGuard::upgrade (line 575) ... ok
[INFO] [stdout] test src/semaphore.rs - semaphore::Semaphore::acquire_arc (line 144) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockUpgradableReadGuard::try_upgrade (line 540) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8191f1a190ce4e8c13a077c4d7ba17192d2f403d49995e798216b3835e4b1808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8191f1a190ce4e8c13a077c4d7ba17192d2f403d49995e798216b3835e4b1808", kill_on_drop: false }`
[INFO] [stdout] 8191f1a190ce4e8c13a077c4d7ba17192d2f403d49995e798216b3835e4b1808