[INFO] fetching crate rust-command-opt 0.1.0...
[INFO] testing rust-command-opt-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rust-command-opt 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rust-command-opt 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 rust-command-opt 0.1.0
[INFO] finished tweaking crates.io crate rust-command-opt 0.1.0
[INFO] tweaked toml for crates.io crate rust-command-opt 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] bc438b0b6cda74fae57532909b60145918469d9a2b5f537bc34838c9b85f19d1
[INFO] running `Command { std: "docker" "start" "-a" "bc438b0b6cda74fae57532909b60145918469d9a2b5f537bc34838c9b85f19d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc438b0b6cda74fae57532909b60145918469d9a2b5f537bc34838c9b85f19d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc438b0b6cda74fae57532909b60145918469d9a2b5f537bc34838c9b85f19d1", kill_on_drop: false }`
[INFO] [stdout] bc438b0b6cda74fae57532909b60145918469d9a2b5f537bc34838c9b85f19d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 166c7eda721b0c7bd2aff25be28f7b0f8fce5b3c083a005156a891755c3ae048
[INFO] running `Command { std: "docker" "start" "-a" "166c7eda721b0c7bd2aff25be28f7b0f8fce5b3c083a005156a891755c3ae048", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-command-opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "166c7eda721b0c7bd2aff25be28f7b0f8fce5b3c083a005156a891755c3ae048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166c7eda721b0c7bd2aff25be28f7b0f8fce5b3c083a005156a891755c3ae048", kill_on_drop: false }`
[INFO] [stdout] 166c7eda721b0c7bd2aff25be28f7b0f8fce5b3c083a005156a891755c3ae048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5e6a83afe48c3dced0881dc9ac58d1280f1f7454d1193cbc2c0a4f048df34032
[INFO] running `Command { std: "docker" "start" "-a" "5e6a83afe48c3dced0881dc9ac58d1280f1f7454d1193cbc2c0a4f048df34032", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-command-opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "5e6a83afe48c3dced0881dc9ac58d1280f1f7454d1193cbc2c0a4f048df34032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6a83afe48c3dced0881dc9ac58d1280f1f7454d1193cbc2c0a4f048df34032", kill_on_drop: false }`
[INFO] [stdout] 5e6a83afe48c3dced0881dc9ac58d1280f1f7454d1193cbc2c0a4f048df34032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] ccbe4ada8dcde074a0b1a82a8c212a99c2a1ec1d477056b111da94ebe48acdbc
[INFO] running `Command { std: "docker" "start" "-a" "ccbe4ada8dcde074a0b1a82a8c212a99c2a1ec1d477056b111da94ebe48acdbc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_command_opt-4c4efdebdbf946d8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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 rust-command-opt
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/opt.rs - opt::Opt (line 8) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::get_opt_short (line 166) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::get_opt (line 96) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::get_opt_short_with_default (line 127) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::get_opt_normal_with_default (line 147) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::get_opt_normal (line 179) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ccbe4ada8dcde074a0b1a82a8c212a99c2a1ec1d477056b111da94ebe48acdbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbe4ada8dcde074a0b1a82a8c212a99c2a1ec1d477056b111da94ebe48acdbc", kill_on_drop: false }`
[INFO] [stdout] ccbe4ada8dcde074a0b1a82a8c212a99c2a1ec1d477056b111da94ebe48acdbc