[INFO] cloning repository https://github.com/matejker/AdventOfCode2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matejker/AdventOfCode2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatejker%2FAdventOfCode2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatejker%2FAdventOfCode2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5efca079429f4917c96835da77208f30dc02c7e7
[INFO] testing matejker/AdventOfCode2019 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatejker%2FAdventOfCode2019" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matejker/AdventOfCode2019 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/matejker/AdventOfCode2019
[INFO] finished tweaking git repo https://github.com/matejker/AdventOfCode2019
[INFO] tweaked toml for git repo https://github.com/matejker/AdventOfCode2019 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/matejker/AdventOfCode2019 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 01846c2097727428fd6601c0a36429a2c73a390cbc2e34efa43f6c75802b4645
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "01846c2097727428fd6601c0a36429a2c73a390cbc2e34efa43f6c75802b4645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01846c2097727428fd6601c0a36429a2c73a390cbc2e34efa43f6c75802b4645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01846c2097727428fd6601c0a36429a2c73a390cbc2e34efa43f6c75802b4645", kill_on_drop: false }`
[INFO] [stdout] 01846c2097727428fd6601c0a36429a2c73a390cbc2e34efa43f6c75802b4645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4c1d33c6520595dcbaf24c45045b798c47a84c349b601ee556e5f703d6ce0e17
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c1d33c6520595dcbaf24c45045b798c47a84c349b601ee556e5f703d6ce0e17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling AdventOfCode2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `AdventOfCode2019` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `advent_of_code2019`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `Command { std: "docker" "inspect" "4c1d33c6520595dcbaf24c45045b798c47a84c349b601ee556e5f703d6ce0e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1d33c6520595dcbaf24c45045b798c47a84c349b601ee556e5f703d6ce0e17", kill_on_drop: false }`
[INFO] [stdout] 4c1d33c6520595dcbaf24c45045b798c47a84c349b601ee556e5f703d6ce0e17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e52cd251e2bc5e61748fb161100cc884c0d9edb778cf96bbdb3138c0fff25633
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e52cd251e2bc5e61748fb161100cc884c0d9edb778cf96bbdb3138c0fff25633", kill_on_drop: false }`
[INFO] [stderr]    Compiling AdventOfCode2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `AdventOfCode2019` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `advent_of_code2019`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "e52cd251e2bc5e61748fb161100cc884c0d9edb778cf96bbdb3138c0fff25633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52cd251e2bc5e61748fb161100cc884c0d9edb778cf96bbdb3138c0fff25633", kill_on_drop: false }`
[INFO] [stdout] e52cd251e2bc5e61748fb161100cc884c0d9edb778cf96bbdb3138c0fff25633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbb988593256e6b97bc48806d7a374aec99246bc87dbe0fd281b64d9b283d3de
[INFO] running `Command { std: "docker" "start" "-a" "fbb988593256e6b97bc48806d7a374aec99246bc87dbe0fd281b64d9b283d3de", kill_on_drop: false }`
[INFO] [stderr] warning: crate `AdventOfCode2019` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `advent_of_code2019`
[INFO] [stderr] 
[INFO] [stderr] warning: `AdventOfCode2019` (bin "AdventOfCode2019" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/AdventOfCode2019-ed7a4d31cec577af)
[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" "fbb988593256e6b97bc48806d7a374aec99246bc87dbe0fd281b64d9b283d3de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb988593256e6b97bc48806d7a374aec99246bc87dbe0fd281b64d9b283d3de", kill_on_drop: false }`
[INFO] [stdout] fbb988593256e6b97bc48806d7a374aec99246bc87dbe0fd281b64d9b283d3de