[INFO] fetching crate bunch 0.1.0...
[INFO] testing bunch-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate bunch 0.1.0 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate bunch 0.1.0 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 bunch 0.1.0
[INFO] finished tweaking crates.io crate bunch 0.1.0
[INFO] tweaked toml for crates.io crate bunch 0.1.0 written to /workspace/builds/worker-105/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] a872f891a499d9a5d633985d575007e75f59395d0c1f794cd0b04f9ba8fb075a
[INFO] running `Command { std: "docker" "start" "-a" "a872f891a499d9a5d633985d575007e75f59395d0c1f794cd0b04f9ba8fb075a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a872f891a499d9a5d633985d575007e75f59395d0c1f794cd0b04f9ba8fb075a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a872f891a499d9a5d633985d575007e75f59395d0c1f794cd0b04f9ba8fb075a", kill_on_drop: false }`
[INFO] [stdout] a872f891a499d9a5d633985d575007e75f59395d0c1f794cd0b04f9ba8fb075a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 47dc170e84ee1db0c4c5fdd5be3ec6f1c23e3714197840e01ec7edc7782f70b3
[INFO] running `Command { std: "docker" "start" "-a" "47dc170e84ee1db0c4c5fdd5be3ec6f1c23e3714197840e01ec7edc7782f70b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling bunch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "47dc170e84ee1db0c4c5fdd5be3ec6f1c23e3714197840e01ec7edc7782f70b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47dc170e84ee1db0c4c5fdd5be3ec6f1c23e3714197840e01ec7edc7782f70b3", kill_on_drop: false }`
[INFO] [stdout] 47dc170e84ee1db0c4c5fdd5be3ec6f1c23e3714197840e01ec7edc7782f70b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] [stdout] 8f9014140a46085f3a74968fff18a232800e92a9cadade7ddb6c7b0bb7a0eaa2
[INFO] running `Command { std: "docker" "start" "-a" "8f9014140a46085f3a74968fff18a232800e92a9cadade7ddb6c7b0bb7a0eaa2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bunch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "8f9014140a46085f3a74968fff18a232800e92a9cadade7ddb6c7b0bb7a0eaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9014140a46085f3a74968fff18a232800e92a9cadade7ddb6c7b0bb7a0eaa2", kill_on_drop: false }`
[INFO] [stdout] 8f9014140a46085f3a74968fff18a232800e92a9cadade7ddb6c7b0bb7a0eaa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 945243645ba859545c96f3d131c1279b772c11ce8ead5acc1e11f88c32f5e429
[INFO] running `Command { std: "docker" "start" "-a" "945243645ba859545c96f3d131c1279b772c11ce8ead5acc1e11f88c32f5e429", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bunch-34ef7274495c0942)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::multiple ... ok
[INFO] [stdout] test tests::out_of_bounds_access - should panic ... ok
[INFO] [stdout] test tests::multithreading ... ok
[INFO] [stdout] test tests::dropping ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bunch
[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" "945243645ba859545c96f3d131c1279b772c11ce8ead5acc1e11f88c32f5e429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945243645ba859545c96f3d131c1279b772c11ce8ead5acc1e11f88c32f5e429", kill_on_drop: false }`
[INFO] [stdout] 945243645ba859545c96f3d131c1279b772c11ce8ead5acc1e11f88c32f5e429