[INFO] fetching crate takeable-option 0.5.0...
[INFO] testing takeable-option-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate takeable-option 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate takeable-option 0.5.0 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 takeable-option 0.5.0
[INFO] finished tweaking crates.io crate takeable-option 0.5.0
[INFO] tweaked toml for crates.io crate takeable-option 0.5.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6f2958349171af565e3e9633d58d7b520d7242cc9ec0bff0c5a858b68351202c
[INFO] running `Command { std: "docker" "start" "-a" "6f2958349171af565e3e9633d58d7b520d7242cc9ec0bff0c5a858b68351202c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f2958349171af565e3e9633d58d7b520d7242cc9ec0bff0c5a858b68351202c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f2958349171af565e3e9633d58d7b520d7242cc9ec0bff0c5a858b68351202c", kill_on_drop: false }`
[INFO] [stdout] 6f2958349171af565e3e9633d58d7b520d7242cc9ec0bff0c5a858b68351202c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 46b5f27c4c1b8e4cde5a719c9a5ee5a77b9b997fbec0248a0a2a9b5e19c013b3
[INFO] running `Command { std: "docker" "start" "-a" "46b5f27c4c1b8e4cde5a719c9a5ee5a77b9b997fbec0248a0a2a9b5e19c013b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling takeable-option v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "46b5f27c4c1b8e4cde5a719c9a5ee5a77b9b997fbec0248a0a2a9b5e19c013b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b5f27c4c1b8e4cde5a719c9a5ee5a77b9b997fbec0248a0a2a9b5e19c013b3", kill_on_drop: false }`
[INFO] [stdout] 46b5f27c4c1b8e4cde5a719c9a5ee5a77b9b997fbec0248a0a2a9b5e19c013b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 53660f696ecfc240b1cc08d55174c5a126f3c9f60275f8fc78b07a7b91aa7676
[INFO] running `Command { std: "docker" "start" "-a" "53660f696ecfc240b1cc08d55174c5a126f3c9f60275f8fc78b07a7b91aa7676", kill_on_drop: false }`
[INFO] [stderr]    Compiling takeable-option v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "53660f696ecfc240b1cc08d55174c5a126f3c9f60275f8fc78b07a7b91aa7676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53660f696ecfc240b1cc08d55174c5a126f3c9f60275f8fc78b07a7b91aa7676", kill_on_drop: false }`
[INFO] [stdout] 53660f696ecfc240b1cc08d55174c5a126f3c9f60275f8fc78b07a7b91aa7676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f47845a879e9b2047b3c649eba70f6eddeff59e7f0334738518b42e6944b6b19
[INFO] running `Command { std: "docker" "start" "-a" "f47845a879e9b2047b3c649eba70f6eddeff59e7f0334738518b42e6944b6b19", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/takeable_option-a4f0a7d5a0b0efab)
[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] [stderr]    Doc-tests takeable-option
[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" "f47845a879e9b2047b3c649eba70f6eddeff59e7f0334738518b42e6944b6b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47845a879e9b2047b3c649eba70f6eddeff59e7f0334738518b42e6944b6b19", kill_on_drop: false }`
[INFO] [stdout] f47845a879e9b2047b3c649eba70f6eddeff59e7f0334738518b42e6944b6b19