[INFO] cloning repository https://github.com/sugidaffection/balanced-brackets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sugidaffection/balanced-brackets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsugidaffection%2Fbalanced-brackets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsugidaffection%2Fbalanced-brackets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fe5930f850b1296b7041ab5430f48b420d66e12
[INFO] testing sugidaffection/balanced-brackets against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsugidaffection%2Fbalanced-brackets" "/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/sugidaffection/balanced-brackets 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/sugidaffection/balanced-brackets
[INFO] finished tweaking git repo https://github.com/sugidaffection/balanced-brackets
[INFO] tweaked toml for git repo https://github.com/sugidaffection/balanced-brackets written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/sugidaffection/balanced-brackets 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] 567c6e81689c4f45d92c5ba0b20b9eb41b226e22a7e44ceb899fca5f0239be58
[INFO] running `Command { std: "docker" "start" "-a" "567c6e81689c4f45d92c5ba0b20b9eb41b226e22a7e44ceb899fca5f0239be58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "567c6e81689c4f45d92c5ba0b20b9eb41b226e22a7e44ceb899fca5f0239be58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "567c6e81689c4f45d92c5ba0b20b9eb41b226e22a7e44ceb899fca5f0239be58", kill_on_drop: false }`
[INFO] [stdout] 567c6e81689c4f45d92c5ba0b20b9eb41b226e22a7e44ceb899fca5f0239be58
[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] 2dd02f5a8356b975f5ab671371369986b70905504404e54e4c00e94ebaa4f449
[INFO] running `Command { std: "docker" "start" "-a" "2dd02f5a8356b975f5ab671371369986b70905504404e54e4c00e94ebaa4f449", kill_on_drop: false }`
[INFO] [stderr]    Compiling balanced_brackets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "2dd02f5a8356b975f5ab671371369986b70905504404e54e4c00e94ebaa4f449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd02f5a8356b975f5ab671371369986b70905504404e54e4c00e94ebaa4f449", kill_on_drop: false }`
[INFO] [stdout] 2dd02f5a8356b975f5ab671371369986b70905504404e54e4c00e94ebaa4f449
[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] 9a8bd3deb1bfa7d5038dea56eb94b3b7fbe08d5a2d5b4a57ea2537878bc2bbf6
[INFO] running `Command { std: "docker" "start" "-a" "9a8bd3deb1bfa7d5038dea56eb94b3b7fbe08d5a2d5b4a57ea2537878bc2bbf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling balanced_brackets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "9a8bd3deb1bfa7d5038dea56eb94b3b7fbe08d5a2d5b4a57ea2537878bc2bbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8bd3deb1bfa7d5038dea56eb94b3b7fbe08d5a2d5b4a57ea2537878bc2bbf6", kill_on_drop: false }`
[INFO] [stdout] 9a8bd3deb1bfa7d5038dea56eb94b3b7fbe08d5a2d5b4a57ea2537878bc2bbf6
[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] 7acad052bb006a66bf7e311b300313b1b61ec334b9668c2215c7757ae02f1d15
[INFO] running `Command { std: "docker" "start" "-a" "7acad052bb006a66bf7e311b300313b1b61ec334b9668c2215c7757ae02f1d15", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/balanced_brackets-e7fb83c70de4e9ca)
[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" "7acad052bb006a66bf7e311b300313b1b61ec334b9668c2215c7757ae02f1d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7acad052bb006a66bf7e311b300313b1b61ec334b9668c2215c7757ae02f1d15", kill_on_drop: false }`
[INFO] [stdout] 7acad052bb006a66bf7e311b300313b1b61ec334b9668c2215c7757ae02f1d15