[INFO] fetching crate nitric-lock 0.0.1...
[INFO] testing nitric-lock-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nitric-lock 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nitric-lock 0.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nitric-lock 0.0.1
[INFO] finished tweaking crates.io crate nitric-lock 0.0.1
[INFO] tweaked toml for crates.io crate nitric-lock 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed8e0a56644e0e4afc4639890fae968422e5b564a60a0682e61a0654d16e63d8
[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" "ed8e0a56644e0e4afc4639890fae968422e5b564a60a0682e61a0654d16e63d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed8e0a56644e0e4afc4639890fae968422e5b564a60a0682e61a0654d16e63d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8e0a56644e0e4afc4639890fae968422e5b564a60a0682e61a0654d16e63d8", kill_on_drop: false }`
[INFO] [stdout] ed8e0a56644e0e4afc4639890fae968422e5b564a60a0682e61a0654d16e63d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed2854d6489843ad5410beea39bf6ed1406bb42d1a083b718498ca6ea916e7d1
[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" "ed2854d6489843ad5410beea39bf6ed1406bb42d1a083b718498ca6ea916e7d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling nitric-lock v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "ed2854d6489843ad5410beea39bf6ed1406bb42d1a083b718498ca6ea916e7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2854d6489843ad5410beea39bf6ed1406bb42d1a083b718498ca6ea916e7d1", kill_on_drop: false }`
[INFO] [stdout] ed2854d6489843ad5410beea39bf6ed1406bb42d1a083b718498ca6ea916e7d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a065fc387eaa2c615788bdd10d20bc2532c3ad67afa955b68583b7d641e681ab
[INFO] running `Command { std: "docker" "start" "-a" "a065fc387eaa2c615788bdd10d20bc2532c3ad67afa955b68583b7d641e681ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling nitric-lock v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "a065fc387eaa2c615788bdd10d20bc2532c3ad67afa955b68583b7d641e681ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a065fc387eaa2c615788bdd10d20bc2532c3ad67afa955b68583b7d641e681ab", kill_on_drop: false }`
[INFO] [stdout] a065fc387eaa2c615788bdd10d20bc2532c3ad67afa955b68583b7d641e681ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9843b7d445731e16a67fc9863be03ca48b0d570fdd4dd917e1ee4ad1873b23f2
[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" "9843b7d445731e16a67fc9863be03ca48b0d570fdd4dd917e1ee4ad1873b23f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nitric_lock-5ba88520bfe05231)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test join::tests::test_lock2 ... ok
[INFO] [stdout] test join::tests::test_lock2_rev ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nitric-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" "9843b7d445731e16a67fc9863be03ca48b0d570fdd4dd917e1ee4ad1873b23f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9843b7d445731e16a67fc9863be03ca48b0d570fdd4dd917e1ee4ad1873b23f2", kill_on_drop: false }`
[INFO] [stdout] 9843b7d445731e16a67fc9863be03ca48b0d570fdd4dd917e1ee4ad1873b23f2