[INFO] cloning repository https://github.com/nvasudevan/transitiond
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nvasudevan/transitiond" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnvasudevan%2Ftransitiond", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnvasudevan%2Ftransitiond'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bad3f1db00adf2e9b3c3e0dfefae1e8d889fe88
[INFO] testing nvasudevan/transitiond against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnvasudevan%2Ftransitiond" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nvasudevan/transitiond 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/nvasudevan/transitiond
[INFO] finished tweaking git repo https://github.com/nvasudevan/transitiond
[INFO] tweaked toml for git repo https://github.com/nvasudevan/transitiond written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/nvasudevan/transitiond 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 098f57e28e36851115272b4d857f2dfbd494a8592e48bb0cff5331799f7a1868
[INFO] running `Command { std: "docker" "start" "-a" "098f57e28e36851115272b4d857f2dfbd494a8592e48bb0cff5331799f7a1868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "098f57e28e36851115272b4d857f2dfbd494a8592e48bb0cff5331799f7a1868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "098f57e28e36851115272b4d857f2dfbd494a8592e48bb0cff5331799f7a1868", kill_on_drop: false }`
[INFO] [stdout] 098f57e28e36851115272b4d857f2dfbd494a8592e48bb0cff5331799f7a1868
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] f3d5cccb0f3fff15c8e9e55e29f8285900ab90043882bd4807aa9d2ef9e9b9d0
[INFO] running `Command { std: "docker" "start" "-a" "f3d5cccb0f3fff15c8e9e55e29f8285900ab90043882bd4807aa9d2ef9e9b9d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling transitiond v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let g = transition_graph("./grammars/lr1.y");
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.22s
[INFO] running `Command { std: "docker" "inspect" "f3d5cccb0f3fff15c8e9e55e29f8285900ab90043882bd4807aa9d2ef9e9b9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d5cccb0f3fff15c8e9e55e29f8285900ab90043882bd4807aa9d2ef9e9b9d0", kill_on_drop: false }`
[INFO] [stdout] f3d5cccb0f3fff15c8e9e55e29f8285900ab90043882bd4807aa9d2ef9e9b9d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] aa4fc3d976f357befe6fa9303cb38e91d5460a2a205592d82e5b0ab2e1457947
[INFO] running `Command { std: "docker" "start" "-a" "aa4fc3d976f357befe6fa9303cb38e91d5460a2a205592d82e5b0ab2e1457947", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling transitiond v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let g = transition_graph("./grammars/lr1.y");
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "aa4fc3d976f357befe6fa9303cb38e91d5460a2a205592d82e5b0ab2e1457947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4fc3d976f357befe6fa9303cb38e91d5460a2a205592d82e5b0ab2e1457947", kill_on_drop: false }`
[INFO] [stdout] aa4fc3d976f357befe6fa9303cb38e91d5460a2a205592d82e5b0ab2e1457947
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 0c785b57910b6b36a330a299091ada5592348d85641e6d05808e8a9cf0ca2ef3
[INFO] running `Command { std: "docker" "start" "-a" "0c785b57910b6b36a330a299091ada5592348d85641e6d05808e8a9cf0ca2ef3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let g = transition_graph("./grammars/lr1.y");
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `transitiond` (bin "transitiond" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/transitiond-bc13e770b162fbb3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test cfg::diagram::tests::test_cfg ... ok
[INFO] [stdout] test cfg::parse::tests::test_header_regex ... ok
[INFO] [stdout] test cfg::parse::tests::test_cfg ... ok
[INFO] [stdout] test cfg::diagram::tests::test_cfg_from_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/transitiond-1fc489f9cc6bd3f5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests transitiond
[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] [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" "0c785b57910b6b36a330a299091ada5592348d85641e6d05808e8a9cf0ca2ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c785b57910b6b36a330a299091ada5592348d85641e6d05808e8a9cf0ca2ef3", kill_on_drop: false }`
[INFO] [stdout] 0c785b57910b6b36a330a299091ada5592348d85641e6d05808e8a9cf0ca2ef3