[INFO] fetching crate step-machine 0.2.0...
[INFO] testing step-machine-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate step-machine 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate step-machine 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate step-machine 0.2.0
[INFO] finished tweaking crates.io crate step-machine 0.2.0
[INFO] tweaked toml for crates.io crate step-machine 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate step-machine 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be4ae9d801a212f5ffd601cca08c7dcaa9948382c99aa888ab5ea53bbb1c86d1
[INFO] running `Command { std: "docker" "start" "-a" "be4ae9d801a212f5ffd601cca08c7dcaa9948382c99aa888ab5ea53bbb1c86d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be4ae9d801a212f5ffd601cca08c7dcaa9948382c99aa888ab5ea53bbb1c86d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4ae9d801a212f5ffd601cca08c7dcaa9948382c99aa888ab5ea53bbb1c86d1", kill_on_drop: false }`
[INFO] [stdout] be4ae9d801a212f5ffd601cca08c7dcaa9948382c99aa888ab5ea53bbb1c86d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f70b47c1ec2908d89ba0d578b95d38d637eb6e45c492b8a4870ba8a6e9d09033
[INFO] running `Command { std: "docker" "start" "-a" "f70b47c1ec2908d89ba0d578b95d38d637eb6e45c492b8a4870ba8a6e9d09033", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling step-machine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.47s
[INFO] running `Command { std: "docker" "inspect" "f70b47c1ec2908d89ba0d578b95d38d637eb6e45c492b8a4870ba8a6e9d09033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70b47c1ec2908d89ba0d578b95d38d637eb6e45c492b8a4870ba8a6e9d09033", kill_on_drop: false }`
[INFO] [stdout] f70b47c1ec2908d89ba0d578b95d38d637eb6e45c492b8a4870ba8a6e9d09033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4038c87425f833755e68f1bb26bfa07b6f694a06fb8e8139717f8628f4df7bc
[INFO] running `Command { std: "docker" "start" "-a" "f4038c87425f833755e68f1bb26bfa07b6f694a06fb8e8139717f8628f4df7bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling envmnt v0.8.4
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling ci_info v0.10.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling step-machine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.87s
[INFO] running `Command { std: "docker" "inspect" "f4038c87425f833755e68f1bb26bfa07b6f694a06fb8e8139717f8628f4df7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4038c87425f833755e68f1bb26bfa07b6f694a06fb8e8139717f8628f4df7bc", kill_on_drop: false }`
[INFO] [stdout] f4038c87425f833755e68f1bb26bfa07b6f694a06fb8e8139717f8628f4df7bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fef4850db6bb439b7159d936a8495d84e35782cbfc91fff0229b93a334151933
[INFO] running `Command { std: "docker" "start" "-a" "fef4850db6bb439b7159d936a8495d84e35782cbfc91fff0229b93a334151933", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/step_machine-e18b6100f30bf597)
[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" "fef4850db6bb439b7159d936a8495d84e35782cbfc91fff0229b93a334151933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef4850db6bb439b7159d936a8495d84e35782cbfc91fff0229b93a334151933", kill_on_drop: false }`
[INFO] [stdout] fef4850db6bb439b7159d936a8495d84e35782cbfc91fff0229b93a334151933