[INFO] cloning repository https://github.com/Syfaro/advent-of-code-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Syfaro/advent-of-code-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyfaro%2Fadvent-of-code-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyfaro%2Fadvent-of-code-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9fa44f4a7013b4e9feb1b5e3115d4c045c1d881
[INFO] testing Syfaro/advent-of-code-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyfaro%2Fadvent-of-code-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Syfaro/advent-of-code-rs 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/Syfaro/advent-of-code-rs
[INFO] finished tweaking git repo https://github.com/Syfaro/advent-of-code-rs
[INFO] tweaked toml for git repo https://github.com/Syfaro/advent-of-code-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Syfaro/advent-of-code-rs 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] eecd40950dc9aa5bd2b58736793a0a88829e25ef1036979c27a12209f0a7187d
[INFO] running `Command { std: "docker" "start" "-a" "eecd40950dc9aa5bd2b58736793a0a88829e25ef1036979c27a12209f0a7187d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eecd40950dc9aa5bd2b58736793a0a88829e25ef1036979c27a12209f0a7187d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eecd40950dc9aa5bd2b58736793a0a88829e25ef1036979c27a12209f0a7187d", kill_on_drop: false }`
[INFO] [stdout] eecd40950dc9aa5bd2b58736793a0a88829e25ef1036979c27a12209f0a7187d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 82de8e73fc55118b09afc50ed69c3f3ba1f984e1a5331b7b0ffe77b9c69e9d02
[INFO] running `Command { std: "docker" "start" "-a" "82de8e73fc55118b09afc50ed69c3f3ba1f984e1a5331b7b0ffe77b9c69e9d02", kill_on_drop: false }`
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/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 2020_04 --edition=2018 src/bin/2020-04.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=b73102620aa6ca10 -C extra-filename=-b73102620aa6ca10 --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-86b5c7ae54b8f54a.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-350a6eb46c5c29f9.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-90d213abf8934f91.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-5bfb20592c7a6792.rlib --extern md5=/opt/rustwide/target/debug/deps/libmd5-e226c0f3ed9d0486.rlib --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-b7d1be2c5c840656.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-d08c389ebc7dd978.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" "82de8e73fc55118b09afc50ed69c3f3ba1f984e1a5331b7b0ffe77b9c69e9d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82de8e73fc55118b09afc50ed69c3f3ba1f984e1a5331b7b0ffe77b9c69e9d02", kill_on_drop: false }`
[INFO] [stdout] 82de8e73fc55118b09afc50ed69c3f3ba1f984e1a5331b7b0ffe77b9c69e9d02