[INFO] fetching crate bookcase 0.1.0...
[INFO] testing bookcase-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bookcase 0.1.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate bookcase 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bookcase 0.1.0
[INFO] finished tweaking crates.io crate bookcase 0.1.0
[INFO] tweaked toml for crates.io crate bookcase 0.1.0 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate crates.io crate bookcase 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ff910c513dd4f76d9c42d24b5eff71b6627d4b135cf5be669e6d1ff7c8f2100
[INFO] running `Command { std: "docker" "start" "-a" "8ff910c513dd4f76d9c42d24b5eff71b6627d4b135cf5be669e6d1ff7c8f2100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ff910c513dd4f76d9c42d24b5eff71b6627d4b135cf5be669e6d1ff7c8f2100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff910c513dd4f76d9c42d24b5eff71b6627d4b135cf5be669e6d1ff7c8f2100", kill_on_drop: false }`
[INFO] [stdout] 8ff910c513dd4f76d9c42d24b5eff71b6627d4b135cf5be669e6d1ff7c8f2100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f899fee91b5a008e9f0ba068a390b369f4746f72c22aa64856dbf877b322722d
[INFO] running `Command { std: "docker" "start" "-a" "f899fee91b5a008e9f0ba068a390b369f4746f72c22aa64856dbf877b322722d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bookcase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "f899fee91b5a008e9f0ba068a390b369f4746f72c22aa64856dbf877b322722d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f899fee91b5a008e9f0ba068a390b369f4746f72c22aa64856dbf877b322722d", kill_on_drop: false }`
[INFO] [stdout] f899fee91b5a008e9f0ba068a390b369f4746f72c22aa64856dbf877b322722d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aaa556ade4b2d96ba95e42c8caa36896525f6163f2c5d07f20d1af34359226f
[INFO] running `Command { std: "docker" "start" "-a" "3aaa556ade4b2d96ba95e42c8caa36896525f6163f2c5d07f20d1af34359226f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bookcase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "3aaa556ade4b2d96ba95e42c8caa36896525f6163f2c5d07f20d1af34359226f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aaa556ade4b2d96ba95e42c8caa36896525f6163f2c5d07f20d1af34359226f", kill_on_drop: false }`
[INFO] [stdout] 3aaa556ade4b2d96ba95e42c8caa36896525f6163f2c5d07f20d1af34359226f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc9c5fd5b9b504ba58da23235c2638cbfd4a9d99817bb394681ebcc129c8c6b1
[INFO] running `Command { std: "docker" "start" "-a" "cc9c5fd5b9b504ba58da23235c2638cbfd4a9d99817bb394681ebcc129c8c6b1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bookcase-f9191e83d10447bd)
[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" "cc9c5fd5b9b504ba58da23235c2638cbfd4a9d99817bb394681ebcc129c8c6b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc9c5fd5b9b504ba58da23235c2638cbfd4a9d99817bb394681ebcc129c8c6b1", kill_on_drop: false }`
[INFO] [stdout] cc9c5fd5b9b504ba58da23235c2638cbfd4a9d99817bb394681ebcc129c8c6b1