[INFO] cloning repository https://github.com/CableSynth/aoc_2020_fourth_day
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CableSynth/aoc_2020_fourth_day" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCableSynth%2Faoc_2020_fourth_day", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCableSynth%2Faoc_2020_fourth_day'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff63a27268fe8292de8b66c0abf23d44a833771f
[INFO] testing CableSynth/aoc_2020_fourth_day against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCableSynth%2Faoc_2020_fourth_day" "/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/CableSynth/aoc_2020_fourth_day 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/CableSynth/aoc_2020_fourth_day
[INFO] finished tweaking git repo https://github.com/CableSynth/aoc_2020_fourth_day
[INFO] tweaked toml for git repo https://github.com/CableSynth/aoc_2020_fourth_day written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/CableSynth/aoc_2020_fourth_day 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] 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] 3975f48b3b627529b85519e8c2097792bfe73c3bffec6a677ac3af99a6e0bd77
[INFO] running `Command { std: "docker" "start" "-a" "3975f48b3b627529b85519e8c2097792bfe73c3bffec6a677ac3af99a6e0bd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3975f48b3b627529b85519e8c2097792bfe73c3bffec6a677ac3af99a6e0bd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3975f48b3b627529b85519e8c2097792bfe73c3bffec6a677ac3af99a6e0bd77", kill_on_drop: false }`
[INFO] [stdout] 3975f48b3b627529b85519e8c2097792bfe73c3bffec6a677ac3af99a6e0bd77
[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] cb52ee130b4b9567eec4143b5ce84787a6a32ace1d0c57d2b4d9b68efe506265
[INFO] running `Command { std: "docker" "start" "-a" "cb52ee130b4b9567eec4143b5ce84787a6a32ace1d0c57d2b4d9b68efe506265", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 fourth_day v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.76s
[INFO] running `Command { std: "docker" "inspect" "cb52ee130b4b9567eec4143b5ce84787a6a32ace1d0c57d2b4d9b68efe506265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb52ee130b4b9567eec4143b5ce84787a6a32ace1d0c57d2b4d9b68efe506265", kill_on_drop: false }`
[INFO] [stdout] cb52ee130b4b9567eec4143b5ce84787a6a32ace1d0c57d2b4d9b68efe506265
[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] b32eef51723b89276a6fb551de66bbe852b7698a3b60ccd146c803fd30d263fb
[INFO] running `Command { std: "docker" "start" "-a" "b32eef51723b89276a6fb551de66bbe852b7698a3b60ccd146c803fd30d263fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fourth_day v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "b32eef51723b89276a6fb551de66bbe852b7698a3b60ccd146c803fd30d263fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32eef51723b89276a6fb551de66bbe852b7698a3b60ccd146c803fd30d263fb", kill_on_drop: false }`
[INFO] [stdout] b32eef51723b89276a6fb551de66bbe852b7698a3b60ccd146c803fd30d263fb
[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] 9470747ac4e01cbfdc19c58e77220700e9ec7d3a4c91262b2884e4da7ceb25b8
[INFO] running `Command { std: "docker" "start" "-a" "9470747ac4e01cbfdc19c58e77220700e9ec7d3a4c91262b2884e4da7ceb25b8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fourth_day-e93492741d591904)
[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" "9470747ac4e01cbfdc19c58e77220700e9ec7d3a4c91262b2884e4da7ceb25b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9470747ac4e01cbfdc19c58e77220700e9ec7d3a4c91262b2884e4da7ceb25b8", kill_on_drop: false }`
[INFO] [stdout] 9470747ac4e01cbfdc19c58e77220700e9ec7d3a4c91262b2884e4da7ceb25b8