[INFO] cloning repository https://github.com/davidchoo12/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidchoo12/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidchoo12%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidchoo12%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cac6c4edf338475581080c941311ddbd1a4f0973
[INFO] testing davidchoo12/adventofcode2020 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidchoo12%2Fadventofcode2020" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidchoo12/adventofcode2020 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/davidchoo12/adventofcode2020
[INFO] finished tweaking git repo https://github.com/davidchoo12/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/davidchoo12/adventofcode2020 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/davidchoo12/adventofcode2020 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 98ac6919f23263277a0bd4c830b68a4e417ac50c54d204f5853f2dcfe3e21c19
[INFO] running `Command { std: "docker" "start" "-a" "98ac6919f23263277a0bd4c830b68a4e417ac50c54d204f5853f2dcfe3e21c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98ac6919f23263277a0bd4c830b68a4e417ac50c54d204f5853f2dcfe3e21c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ac6919f23263277a0bd4c830b68a4e417ac50c54d204f5853f2dcfe3e21c19", kill_on_drop: false }`
[INFO] [stdout] 98ac6919f23263277a0bd4c830b68a4e417ac50c54d204f5853f2dcfe3e21c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] afcaca5bdf76c0cc8173cdf51d7c9d7e01dd1a27842876c286f677e59c87ee22
[INFO] running `Command { std: "docker" "start" "-a" "afcaca5bdf76c0cc8173cdf51d7c9d7e01dd1a27842876c286f677e59c87ee22", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling adventofcode2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.60s
[INFO] running `Command { std: "docker" "inspect" "afcaca5bdf76c0cc8173cdf51d7c9d7e01dd1a27842876c286f677e59c87ee22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afcaca5bdf76c0cc8173cdf51d7c9d7e01dd1a27842876c286f677e59c87ee22", kill_on_drop: false }`
[INFO] [stdout] afcaca5bdf76c0cc8173cdf51d7c9d7e01dd1a27842876c286f677e59c87ee22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8a1ab16afd80fb04e6b68040f295a3aa955e0de89564a857cfb81319faf9fb4d
[INFO] running `Command { std: "docker" "start" "-a" "8a1ab16afd80fb04e6b68040f295a3aa955e0de89564a857cfb81319faf9fb4d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling adventofcode2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `adventofcode2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name 20b --edition=2018 src/bin/20b.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=e358ccc08c2851ec -C extra-filename=-e358ccc08c2851ec --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "8a1ab16afd80fb04e6b68040f295a3aa955e0de89564a857cfb81319faf9fb4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1ab16afd80fb04e6b68040f295a3aa955e0de89564a857cfb81319faf9fb4d", kill_on_drop: false }`
[INFO] [stdout] 8a1ab16afd80fb04e6b68040f295a3aa955e0de89564a857cfb81319faf9fb4d