[INFO] cloning repository https://github.com/cdbfoster/advent_of_code_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdbfoster/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdbfoster%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdbfoster%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dd4a78966664440c1ba2e4f27b052f0b20edbe2
[INFO] testing cdbfoster/advent_of_code_2020 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdbfoster%2Fadvent_of_code_2020" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdbfoster/advent_of_code_2020 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cdbfoster/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/cdbfoster/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/cdbfoster/advent_of_code_2020 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/cdbfoster/advent_of_code_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 170826e87e57dbc992c462c1fb62fe8755642378da7a7e8560a5492bc2118494
[INFO] running `Command { std: "docker" "start" "-a" "170826e87e57dbc992c462c1fb62fe8755642378da7a7e8560a5492bc2118494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "170826e87e57dbc992c462c1fb62fe8755642378da7a7e8560a5492bc2118494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170826e87e57dbc992c462c1fb62fe8755642378da7a7e8560a5492bc2118494", kill_on_drop: false }`
[INFO] [stdout] 170826e87e57dbc992c462c1fb62fe8755642378da7a7e8560a5492bc2118494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e4bf36979e75feb5fd3c59feec09470da334d5d2affe60dbd3d9af90dfec9d
[INFO] running `Command { std: "docker" "start" "-a" "24e4bf36979e75feb5fd3c59feec09470da334d5d2affe60dbd3d9af90dfec9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling advent_of_code v2020.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `advent_of_code`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name d20p2 src/bin/d20p2.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=16ae1a22690130f4 -C extra-filename=-16ae1a22690130f4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code=/opt/rustwide/target/debug/deps/libadvent_of_code-8908a1ff555560c2.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-98bcf3135d2409c3.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "24e4bf36979e75feb5fd3c59feec09470da334d5d2affe60dbd3d9af90dfec9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e4bf36979e75feb5fd3c59feec09470da334d5d2affe60dbd3d9af90dfec9d", kill_on_drop: false }`
[INFO] [stdout] 24e4bf36979e75feb5fd3c59feec09470da334d5d2affe60dbd3d9af90dfec9d