[INFO] fetching crate can 0.1.0...
[INFO] testing can-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate can 0.1.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate can 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 can 0.1.0
[INFO] finished tweaking crates.io crate can 0.1.0
[INFO] tweaked toml for crates.io crate can 0.1.0 written to /workspace/builds/worker-50/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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] a10d93cdd2c411aef384468602ee62fe78557d619d64ba2391f61482f567d1c2
[INFO] running `Command { std: "docker" "start" "-a" "a10d93cdd2c411aef384468602ee62fe78557d619d64ba2391f61482f567d1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a10d93cdd2c411aef384468602ee62fe78557d619d64ba2391f61482f567d1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10d93cdd2c411aef384468602ee62fe78557d619d64ba2391f61482f567d1c2", kill_on_drop: false }`
[INFO] [stdout] a10d93cdd2c411aef384468602ee62fe78557d619d64ba2391f61482f567d1c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 8da40940893a3a3e4cb47cafcab74dc384e67371398e341dad68ab2b35bc5848
[INFO] running `Command { std: "docker" "start" "-a" "8da40940893a3a3e4cb47cafcab74dc384e67371398e341dad68ab2b35bc5848", kill_on_drop: false }`
[INFO] [stderr]    Compiling can v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "8da40940893a3a3e4cb47cafcab74dc384e67371398e341dad68ab2b35bc5848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da40940893a3a3e4cb47cafcab74dc384e67371398e341dad68ab2b35bc5848", kill_on_drop: false }`
[INFO] [stdout] 8da40940893a3a3e4cb47cafcab74dc384e67371398e341dad68ab2b35bc5848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 599b3898658efcf4a666f80a1899e8b4603e33d84da8c15783b21c9d15784ac6
[INFO] running `Command { std: "docker" "start" "-a" "599b3898658efcf4a666f80a1899e8b4603e33d84da8c15783b21c9d15784ac6", kill_on_drop: false }`
[INFO] [stderr]    Compiling can v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "599b3898658efcf4a666f80a1899e8b4603e33d84da8c15783b21c9d15784ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599b3898658efcf4a666f80a1899e8b4603e33d84da8c15783b21c9d15784ac6", kill_on_drop: false }`
[INFO] [stdout] 599b3898658efcf4a666f80a1899e8b4603e33d84da8c15783b21c9d15784ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] aaf82f99e8f75dd5a33aa2d90f8117f2ef86fc9f25863eb4905b7aababda4fbf
[INFO] running `Command { std: "docker" "start" "-a" "aaf82f99e8f75dd5a33aa2d90f8117f2ef86fc9f25863eb4905b7aababda4fbf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/can-65d3206e58a20e0f)
[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 can
[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" "aaf82f99e8f75dd5a33aa2d90f8117f2ef86fc9f25863eb4905b7aababda4fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf82f99e8f75dd5a33aa2d90f8117f2ef86fc9f25863eb4905b7aababda4fbf", kill_on_drop: false }`
[INFO] [stdout] aaf82f99e8f75dd5a33aa2d90f8117f2ef86fc9f25863eb4905b7aababda4fbf