[INFO] cloning repository https://github.com/alextokarew/synthesizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alextokarew/synthesizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falextokarew%2Fsynthesizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falextokarew%2Fsynthesizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 838253c2c5a287347e77ec10ed061555aea10807
[INFO] testing alextokarew/synthesizer against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falextokarew%2Fsynthesizer" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alextokarew/synthesizer 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/alextokarew/synthesizer
[INFO] finished tweaking git repo https://github.com/alextokarew/synthesizer
[INFO] tweaked toml for git repo https://github.com/alextokarew/synthesizer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/alextokarew/synthesizer 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 38ccd5a8a3e42bc85a9ed90d1b87fdc4a9630e1178863555071fd2e131d7e303
[INFO] running `Command { std: "docker" "start" "-a" "38ccd5a8a3e42bc85a9ed90d1b87fdc4a9630e1178863555071fd2e131d7e303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38ccd5a8a3e42bc85a9ed90d1b87fdc4a9630e1178863555071fd2e131d7e303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ccd5a8a3e42bc85a9ed90d1b87fdc4a9630e1178863555071fd2e131d7e303", kill_on_drop: false }`
[INFO] [stdout] 38ccd5a8a3e42bc85a9ed90d1b87fdc4a9630e1178863555071fd2e131d7e303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c0b6f4fb1e068ab4da2ff2ec3c88f67834196f7236206df5a18eabcb5ab71da5
[INFO] running `Command { std: "docker" "start" "-a" "c0b6f4fb1e068ab4da2ff2ec3c88f67834196f7236206df5a18eabcb5ab71da5", kill_on_drop: false }`
[INFO] [stderr]    Compiling synthesizer v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "c0b6f4fb1e068ab4da2ff2ec3c88f67834196f7236206df5a18eabcb5ab71da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b6f4fb1e068ab4da2ff2ec3c88f67834196f7236206df5a18eabcb5ab71da5", kill_on_drop: false }`
[INFO] [stdout] c0b6f4fb1e068ab4da2ff2ec3c88f67834196f7236206df5a18eabcb5ab71da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1ad67aaea2e5d3f3d4665a4e7779fdf68fd24ce9615e0baaa329c241c4b8bbf2
[INFO] running `Command { std: "docker" "start" "-a" "1ad67aaea2e5d3f3d4665a4e7779fdf68fd24ce9615e0baaa329c241c4b8bbf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling synthesizer v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "1ad67aaea2e5d3f3d4665a4e7779fdf68fd24ce9615e0baaa329c241c4b8bbf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad67aaea2e5d3f3d4665a4e7779fdf68fd24ce9615e0baaa329c241c4b8bbf2", kill_on_drop: false }`
[INFO] [stdout] 1ad67aaea2e5d3f3d4665a4e7779fdf68fd24ce9615e0baaa329c241c4b8bbf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ef1aafbe423b90a620119b14b627b1f8fd316f2581e4b118e14a65a8b29e3523
[INFO] running `Command { std: "docker" "start" "-a" "ef1aafbe423b90a620119b14b627b1f8fd316f2581e4b118e14a65a8b29e3523", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/synthesizer-ab26df85d4f9fcfe)
[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" "ef1aafbe423b90a620119b14b627b1f8fd316f2581e4b118e14a65a8b29e3523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1aafbe423b90a620119b14b627b1f8fd316f2581e4b118e14a65a8b29e3523", kill_on_drop: false }`
[INFO] [stdout] ef1aafbe423b90a620119b14b627b1f8fd316f2581e4b118e14a65a8b29e3523