[INFO] fetching crate print_bytes 0.4.2...
[INFO] testing print_bytes-0.4.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate print_bytes 0.4.2 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate print_bytes 0.4.2 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 print_bytes 0.4.2
[INFO] finished tweaking crates.io crate print_bytes 0.4.2
[INFO] tweaked toml for crates.io crate print_bytes 0.4.2 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate crates.io crate print_bytes 0.4.2 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] [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-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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a144ca07e49e0dea0e3bbb084f010807315bc6e69d1b838acd18f6f84774c7e
[INFO] running `Command { std: "docker" "start" "-a" "2a144ca07e49e0dea0e3bbb084f010807315bc6e69d1b838acd18f6f84774c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a144ca07e49e0dea0e3bbb084f010807315bc6e69d1b838acd18f6f84774c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a144ca07e49e0dea0e3bbb084f010807315bc6e69d1b838acd18f6f84774c7e", kill_on_drop: false }`
[INFO] [stdout] 2a144ca07e49e0dea0e3bbb084f010807315bc6e69d1b838acd18f6f84774c7e
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b8db036acf5294376b4a74bf9ad8327f1bf3bef7992c12f060cb5534fb49335
[INFO] running `Command { std: "docker" "start" "-a" "2b8db036acf5294376b4a74bf9ad8327f1bf3bef7992c12f060cb5534fb49335", kill_on_drop: false }`
[INFO] [stderr]    Compiling print_bytes v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "2b8db036acf5294376b4a74bf9ad8327f1bf3bef7992c12f060cb5534fb49335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8db036acf5294376b4a74bf9ad8327f1bf3bef7992c12f060cb5534fb49335", kill_on_drop: false }`
[INFO] [stdout] 2b8db036acf5294376b4a74bf9ad8327f1bf3bef7992c12f060cb5534fb49335
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bf1b55ae0cf8779ef5450cbcc8e4976d2f64546ad0ca056f9e1693a99155106
[INFO] running `Command { std: "docker" "start" "-a" "7bf1b55ae0cf8779ef5450cbcc8e4976d2f64546ad0ca056f9e1693a99155106", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling print_bytes v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "7bf1b55ae0cf8779ef5450cbcc8e4976d2f64546ad0ca056f9e1693a99155106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf1b55ae0cf8779ef5450cbcc8e4976d2f64546ad0ca056f9e1693a99155106", kill_on_drop: false }`
[INFO] [stdout] 7bf1b55ae0cf8779ef5450cbcc8e4976d2f64546ad0ca056f9e1693a99155106
[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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4cf2a8f17e5d47397787ac59bb456fb1acd6c7da26c3f0a863a308857a21a85
[INFO] running `Command { std: "docker" "start" "-a" "b4cf2a8f17e5d47397787ac59bb456fb1acd6c7da26c3f0a863a308857a21a85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/print_bytes-c8817728e5516e02)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests print_bytes
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/bytes.rs - bytes::ToBytes (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4cf2a8f17e5d47397787ac59bb456fb1acd6c7da26c3f0a863a308857a21a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cf2a8f17e5d47397787ac59bb456fb1acd6c7da26c3f0a863a308857a21a85", kill_on_drop: false }`
[INFO] [stdout] b4cf2a8f17e5d47397787ac59bb456fb1acd6c7da26c3f0a863a308857a21a85