[INFO] fetching crate metagener 0.1.0...
[INFO] testing metagener-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate metagener 0.1.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate metagener 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 metagener 0.1.0
[INFO] finished tweaking crates.io crate metagener 0.1.0
[INFO] tweaked toml for crates.io crate metagener 0.1.0 written to /workspace/builds/worker-52/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] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] d03ab53a99e8aca9a3129fba27d7df7abae693f036edd15f186571f652420787
[INFO] running `Command { std: "docker" "start" "-a" "d03ab53a99e8aca9a3129fba27d7df7abae693f036edd15f186571f652420787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d03ab53a99e8aca9a3129fba27d7df7abae693f036edd15f186571f652420787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03ab53a99e8aca9a3129fba27d7df7abae693f036edd15f186571f652420787", kill_on_drop: false }`
[INFO] [stdout] d03ab53a99e8aca9a3129fba27d7df7abae693f036edd15f186571f652420787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 4267798d0c6ea016db68464acd74d4725d67503b8345d90cada8a3b20052d2a1
[INFO] running `Command { std: "docker" "start" "-a" "4267798d0c6ea016db68464acd74d4725d67503b8345d90cada8a3b20052d2a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling metagener v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "4267798d0c6ea016db68464acd74d4725d67503b8345d90cada8a3b20052d2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4267798d0c6ea016db68464acd74d4725d67503b8345d90cada8a3b20052d2a1", kill_on_drop: false }`
[INFO] [stdout] 4267798d0c6ea016db68464acd74d4725d67503b8345d90cada8a3b20052d2a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 89e53b3a14c558dfa8ada88c7631a472c7fa6ba350281510bbaad3f8b97e9eed
[INFO] running `Command { std: "docker" "start" "-a" "89e53b3a14c558dfa8ada88c7631a472c7fa6ba350281510bbaad3f8b97e9eed", kill_on_drop: false }`
[INFO] [stderr]    Compiling metagener v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "89e53b3a14c558dfa8ada88c7631a472c7fa6ba350281510bbaad3f8b97e9eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e53b3a14c558dfa8ada88c7631a472c7fa6ba350281510bbaad3f8b97e9eed", kill_on_drop: false }`
[INFO] [stdout] 89e53b3a14c558dfa8ada88c7631a472c7fa6ba350281510bbaad3f8b97e9eed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] d32683decb7ad349c53b11a7fee5c65e870747459146cd644cb051935a02b042
[INFO] running `Command { std: "docker" "start" "-a" "d32683decb7ad349c53b11a7fee5c65e870747459146cd644cb051935a02b042", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metagener-fb6f8a7608d588ac)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test 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 metagener
[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" "d32683decb7ad349c53b11a7fee5c65e870747459146cd644cb051935a02b042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32683decb7ad349c53b11a7fee5c65e870747459146cd644cb051935a02b042", kill_on_drop: false }`
[INFO] [stdout] d32683decb7ad349c53b11a7fee5c65e870747459146cd644cb051935a02b042