[INFO] cloning repository https://github.com/danrien/hackers-delight-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danrien/hackers-delight-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrien%2Fhackers-delight-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrien%2Fhackers-delight-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] facddf1f0d237c4a1d83bb2515c3fde711b10200
[INFO] testing danrien/hackers-delight-exercises against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrien%2Fhackers-delight-exercises" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danrien/hackers-delight-exercises 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 git repo https://github.com/danrien/hackers-delight-exercises
[INFO] finished tweaking git repo https://github.com/danrien/hackers-delight-exercises
[INFO] tweaked toml for git repo https://github.com/danrien/hackers-delight-exercises written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/danrien/hackers-delight-exercises 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] c38a505b7c149452a57130fe5fa96a74f37671b2c000a6acf71df66c6fb9d704
[INFO] running `Command { std: "docker" "start" "-a" "c38a505b7c149452a57130fe5fa96a74f37671b2c000a6acf71df66c6fb9d704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c38a505b7c149452a57130fe5fa96a74f37671b2c000a6acf71df66c6fb9d704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38a505b7c149452a57130fe5fa96a74f37671b2c000a6acf71df66c6fb9d704", kill_on_drop: false }`
[INFO] [stdout] c38a505b7c149452a57130fe5fa96a74f37671b2c000a6acf71df66c6fb9d704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 263563c30c5abd7cdd01543507a411100f2754c1bb732f66fd095419fd0314c4
[INFO] running `Command { std: "docker" "start" "-a" "263563c30c5abd7cdd01543507a411100f2754c1bb732f66fd095419fd0314c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hackers-delight-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "263563c30c5abd7cdd01543507a411100f2754c1bb732f66fd095419fd0314c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263563c30c5abd7cdd01543507a411100f2754c1bb732f66fd095419fd0314c4", kill_on_drop: false }`
[INFO] [stdout] 263563c30c5abd7cdd01543507a411100f2754c1bb732f66fd095419fd0314c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 1ac352e86d119a238f762683d64d32a9876c17a6dcad28dfa246531aaafe8326
[INFO] running `Command { std: "docker" "start" "-a" "1ac352e86d119a238f762683d64d32a9876c17a6dcad28dfa246531aaafe8326", kill_on_drop: false }`
[INFO] [stderr]    Compiling hackers-delight-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "1ac352e86d119a238f762683d64d32a9876c17a6dcad28dfa246531aaafe8326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac352e86d119a238f762683d64d32a9876c17a6dcad28dfa246531aaafe8326", kill_on_drop: false }`
[INFO] [stdout] 1ac352e86d119a238f762683d64d32a9876c17a6dcad28dfa246531aaafe8326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 47aa45fcc47ff9023e98bd51ad8ee668660436955dac31398b0839946eeea695
[INFO] running `Command { std: "docker" "start" "-a" "47aa45fcc47ff9023e98bd51ad8ee668660436955dac31398b0839946eeea695", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hackers_delight_exercises-e1cd921ebb393690)
[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" "47aa45fcc47ff9023e98bd51ad8ee668660436955dac31398b0839946eeea695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47aa45fcc47ff9023e98bd51ad8ee668660436955dac31398b0839946eeea695", kill_on_drop: false }`
[INFO] [stdout] 47aa45fcc47ff9023e98bd51ad8ee668660436955dac31398b0839946eeea695