[INFO] fetching crate safe-lock 0.1.3...
[INFO] testing safe-lock-0.1.3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate safe-lock 0.1.3 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate safe-lock 0.1.3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safe-lock 0.1.3
[INFO] finished tweaking crates.io crate safe-lock 0.1.3
[INFO] tweaked toml for crates.io crate safe-lock 0.1.3 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a41d9f96db371bd7caab861e25188562985488d303ad98a4732dffea70d9408
[INFO] running `Command { std: "docker" "start" "-a" "6a41d9f96db371bd7caab861e25188562985488d303ad98a4732dffea70d9408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a41d9f96db371bd7caab861e25188562985488d303ad98a4732dffea70d9408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a41d9f96db371bd7caab861e25188562985488d303ad98a4732dffea70d9408", kill_on_drop: false }`
[INFO] [stdout] 6a41d9f96db371bd7caab861e25188562985488d303ad98a4732dffea70d9408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55c7e373f31b1a232c1d41dce70df0d5dee34d38512aa16ecfeb4b26c46592ad
[INFO] running `Command { std: "docker" "start" "-a" "55c7e373f31b1a232c1d41dce70df0d5dee34d38512aa16ecfeb4b26c46592ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-lock v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "55c7e373f31b1a232c1d41dce70df0d5dee34d38512aa16ecfeb4b26c46592ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c7e373f31b1a232c1d41dce70df0d5dee34d38512aa16ecfeb4b26c46592ad", kill_on_drop: false }`
[INFO] [stdout] 55c7e373f31b1a232c1d41dce70df0d5dee34d38512aa16ecfeb4b26c46592ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99fa53c61b673996fff97d289d530ea93476e71f3f180518f9df1ceca942542a
[INFO] running `Command { std: "docker" "start" "-a" "99fa53c61b673996fff97d289d530ea93476e71f3f180518f9df1ceca942542a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safe-lock v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "99fa53c61b673996fff97d289d530ea93476e71f3f180518f9df1ceca942542a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99fa53c61b673996fff97d289d530ea93476e71f3f180518f9df1ceca942542a", kill_on_drop: false }`
[INFO] [stdout] 99fa53c61b673996fff97d289d530ea93476e71f3f180518f9df1ceca942542a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e98b6beb41bf2427daa175bc874210587ba05ee281a57031fee90b22d5c3ee3
[INFO] running `Command { std: "docker" "start" "-a" "1e98b6beb41bf2427daa175bc874210587ba05ee281a57031fee90b22d5c3ee3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safe_lock-174ef62265387376)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_unreachable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-b82a795503afaf21)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test default ... ok
[INFO] [stdout] test sequential ... ok
[INFO] [stdout] test quick_unblock ... ok
[INFO] [stdout] test multiple_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.40s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safe-lock
[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] running `Command { std: "docker" "inspect" "1e98b6beb41bf2427daa175bc874210587ba05ee281a57031fee90b22d5c3ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e98b6beb41bf2427daa175bc874210587ba05ee281a57031fee90b22d5c3ee3", kill_on_drop: false }`
[INFO] [stdout] 1e98b6beb41bf2427daa175bc874210587ba05ee281a57031fee90b22d5c3ee3