[INFO] fetching crate my_rust_study 0.1.0...
[INFO] testing my_rust_study-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate my_rust_study 0.1.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate my_rust_study 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate my_rust_study 0.1.0
[INFO] finished tweaking crates.io crate my_rust_study 0.1.0
[INFO] tweaked toml for crates.io crate my_rust_study 0.1.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate crates.io crate my_rust_study 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20820abb50a43e9533b75b43cff9db906976718e308882aeb640435f5a6ccd4c
[INFO] running `Command { std: "docker" "start" "-a" "20820abb50a43e9533b75b43cff9db906976718e308882aeb640435f5a6ccd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20820abb50a43e9533b75b43cff9db906976718e308882aeb640435f5a6ccd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20820abb50a43e9533b75b43cff9db906976718e308882aeb640435f5a6ccd4c", kill_on_drop: false }`
[INFO] [stdout] 20820abb50a43e9533b75b43cff9db906976718e308882aeb640435f5a6ccd4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adb30e35f4586cce58412d2484e173f81d4c4bdb0f7e8f02b2587e73300f7cae
[INFO] running `Command { std: "docker" "start" "-a" "adb30e35f4586cce58412d2484e173f81d4c4bdb0f7e8f02b2587e73300f7cae", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "adb30e35f4586cce58412d2484e173f81d4c4bdb0f7e8f02b2587e73300f7cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb30e35f4586cce58412d2484e173f81d4c4bdb0f7e8f02b2587e73300f7cae", kill_on_drop: false }`
[INFO] [stdout] adb30e35f4586cce58412d2484e173f81d4c4bdb0f7e8f02b2587e73300f7cae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d342971f3b478fd71bb90d62d5d9eb428e4264bc1abf5c1a98e30fccb09977f
[INFO] running `Command { std: "docker" "start" "-a" "8d342971f3b478fd71bb90d62d5d9eb428e4264bc1abf5c1a98e30fccb09977f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling my_rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "8d342971f3b478fd71bb90d62d5d9eb428e4264bc1abf5c1a98e30fccb09977f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d342971f3b478fd71bb90d62d5d9eb428e4264bc1abf5c1a98e30fccb09977f", kill_on_drop: false }`
[INFO] [stdout] 8d342971f3b478fd71bb90d62d5d9eb428e4264bc1abf5c1a98e30fccb09977f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 081e9ff9a20fb39bcf35eeedcd4358606b702eb2726375bfe350f8f5f664d39c
[INFO] running `Command { std: "docker" "start" "-a" "081e9ff9a20fb39bcf35eeedcd4358606b702eb2726375bfe350f8f5f664d39c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/my_rust_study-3844aa0f101afad7)
[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" "081e9ff9a20fb39bcf35eeedcd4358606b702eb2726375bfe350f8f5f664d39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081e9ff9a20fb39bcf35eeedcd4358606b702eb2726375bfe350f8f5f664d39c", kill_on_drop: false }`
[INFO] [stdout] 081e9ff9a20fb39bcf35eeedcd4358606b702eb2726375bfe350f8f5f664d39c