[INFO] fetching crate async-file-lock 0.1.4...
[INFO] testing async-file-lock-0.1.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate async-file-lock 0.1.4 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate async-file-lock 0.1.4 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-file-lock 0.1.4
[INFO] finished tweaking crates.io crate async-file-lock 0.1.4
[INFO] tweaked toml for crates.io crate async-file-lock 0.1.4 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5393116e127b9bb658850cd03b86f23f0a15ae3763e7da5b999be8a2276ca59c
[INFO] running `Command { std: "docker" "start" "-a" "5393116e127b9bb658850cd03b86f23f0a15ae3763e7da5b999be8a2276ca59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5393116e127b9bb658850cd03b86f23f0a15ae3763e7da5b999be8a2276ca59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5393116e127b9bb658850cd03b86f23f0a15ae3763e7da5b999be8a2276ca59c", kill_on_drop: false }`
[INFO] [stdout] 5393116e127b9bb658850cd03b86f23f0a15ae3763e7da5b999be8a2276ca59c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf159e12e5c7713b864f589ffe1e318db03b127768f7e0c434dea2f188e86a35
[INFO] running `Command { std: "docker" "start" "-a" "cf159e12e5c7713b864f589ffe1e318db03b127768f7e0c434dea2f188e86a35", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling fs3 v0.5.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling async-file-lock v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.80s
[INFO] running `Command { std: "docker" "inspect" "cf159e12e5c7713b864f589ffe1e318db03b127768f7e0c434dea2f188e86a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf159e12e5c7713b864f589ffe1e318db03b127768f7e0c434dea2f188e86a35", kill_on_drop: false }`
[INFO] [stdout] cf159e12e5c7713b864f589ffe1e318db03b127768f7e0c434dea2f188e86a35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9b71422f739cc464b403d446fb8adbe3f2118a39ea5a6486486f88dcf29ec4d
[INFO] running `Command { std: "docker" "start" "-a" "e9b71422f739cc464b403d446fb8adbe3f2118a39ea5a6486486f88dcf29ec4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fork v0.1.18
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling async-file-lock v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.30s
[INFO] running `Command { std: "docker" "inspect" "e9b71422f739cc464b403d446fb8adbe3f2118a39ea5a6486486f88dcf29ec4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b71422f739cc464b403d446fb8adbe3f2118a39ea5a6486486f88dcf29ec4d", kill_on_drop: false }`
[INFO] [stdout] e9b71422f739cc464b403d446fb8adbe3f2118a39ea5a6486486f88dcf29ec4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16a2dc544f1f5aa71ec342c43e4b1e98b3d2e6f1735de64f82522cfb08086f9f
[INFO] running `Command { std: "docker" "start" "-a" "16a2dc544f1f5aa71ec342c43e4b1e98b3d2e6f1735de64f82522cfb08086f9f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_file_lock-efdf2f8add832831)
[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] [stderr]      Running tests/async_file_lock.rs (/opt/rustwide/target/debug/deps/async_file_lock-5b188878e00faf4e)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test file_stays_locked ... ok
[INFO] [stdout] test exclusive_locking_locked_file_panics - should panic ... ok
[INFO] [stdout] test exclusive_locking_shared_file_panics - should panic ... ok
[INFO] [stdout] test unlocking_file_panics - should panic ... ok
[INFO] [stdout] test file_auto_unlocks - should panic ... ok
[INFO] [stdout] test shared_locking_exclusive_file_panics - should panic ... ok
[INFO] [stdout] test unlocking_unlocked_file_panics - should panic ... ok
[INFO] [stdout] test shared_locking_locked_file_panics - should panic ... ok
[INFO] [stdout] test lock_shared ... ok
[INFO] [stdout] test drop_lock_exclusive ... ok
[INFO] [stdout] test append_mode ... ok
[INFO] [stdout] test normal1 ... ok
[INFO] [stdout] test lock_exclusive ... ok
[INFO] [stdout] test lock_exclusive_shared ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-file-lock
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - FileLock::sync_data (line 194) - compile ... ok
[INFO] [stdout] test src/lib.rs - FileLock::sync_all (line 155) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16a2dc544f1f5aa71ec342c43e4b1e98b3d2e6f1735de64f82522cfb08086f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a2dc544f1f5aa71ec342c43e4b1e98b3d2e6f1735de64f82522cfb08086f9f", kill_on_drop: false }`
[INFO] [stdout] 16a2dc544f1f5aa71ec342c43e4b1e98b3d2e6f1735de64f82522cfb08086f9f