[INFO] cloning repository https://github.com/AlexeySadkovich/bitcoin-pow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexeySadkovich/bitcoin-pow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexeySadkovich%2Fbitcoin-pow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexeySadkovich%2Fbitcoin-pow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 960fa7e40196ba2096cb1979b119925375985ebf
[INFO] testing AlexeySadkovich/bitcoin-pow against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexeySadkovich%2Fbitcoin-pow" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlexeySadkovich/bitcoin-pow 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 git repo https://github.com/AlexeySadkovich/bitcoin-pow
[INFO] finished tweaking git repo https://github.com/AlexeySadkovich/bitcoin-pow
[INFO] tweaked toml for git repo https://github.com/AlexeySadkovich/bitcoin-pow written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/AlexeySadkovich/bitcoin-pow already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 414b4926fd78c86aae7154ceded9fe9d121fd0e76b3a152b8364557e264e7dac
[INFO] running `Command { std: "docker" "start" "-a" "414b4926fd78c86aae7154ceded9fe9d121fd0e76b3a152b8364557e264e7dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "414b4926fd78c86aae7154ceded9fe9d121fd0e76b3a152b8364557e264e7dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414b4926fd78c86aae7154ceded9fe9d121fd0e76b3a152b8364557e264e7dac", kill_on_drop: false }`
[INFO] [stdout] 414b4926fd78c86aae7154ceded9fe9d121fd0e76b3a152b8364557e264e7dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0c39a02f9f5aded470f2ea719f5a2ad2b43ff35502d00787d4a801f79c82a4c5
[INFO] running `Command { std: "docker" "start" "-a" "0c39a02f9f5aded470f2ea719f5a2ad2b43ff35502d00787d4a801f79c82a4c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitcoin-pow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "0c39a02f9f5aded470f2ea719f5a2ad2b43ff35502d00787d4a801f79c82a4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c39a02f9f5aded470f2ea719f5a2ad2b43ff35502d00787d4a801f79c82a4c5", kill_on_drop: false }`
[INFO] [stdout] 0c39a02f9f5aded470f2ea719f5a2ad2b43ff35502d00787d4a801f79c82a4c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b0972cedde0a82449a4b89d5a483db4389db77df22b1e69c62e80982bc916bb5
[INFO] running `Command { std: "docker" "start" "-a" "b0972cedde0a82449a4b89d5a483db4389db77df22b1e69c62e80982bc916bb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitcoin-pow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "b0972cedde0a82449a4b89d5a483db4389db77df22b1e69c62e80982bc916bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0972cedde0a82449a4b89d5a483db4389db77df22b1e69c62e80982bc916bb5", kill_on_drop: false }`
[INFO] [stdout] b0972cedde0a82449a4b89d5a483db4389db77df22b1e69c62e80982bc916bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 52168c19690be1d26974ce9180e35b858982fc8edb3ba9baf48cbbcc4db0f82f
[INFO] running `Command { std: "docker" "start" "-a" "52168c19690be1d26974ce9180e35b858982fc8edb3ba9baf48cbbcc4db0f82f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bitcoin_pow-f9dfc508a93569a1)
[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" "52168c19690be1d26974ce9180e35b858982fc8edb3ba9baf48cbbcc4db0f82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52168c19690be1d26974ce9180e35b858982fc8edb3ba9baf48cbbcc4db0f82f", kill_on_drop: false }`
[INFO] [stdout] 52168c19690be1d26974ce9180e35b858982fc8edb3ba9baf48cbbcc4db0f82f