[INFO] cloning repository https://github.com/irh/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/irh/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firh%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firh%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba81bb555153fbb234208431d0fa43c197231873
[INFO] checking irh/advent-of-code against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firh%2Fadvent-of-code" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/irh/advent-of-code on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/irh/advent-of-code
[INFO] finished tweaking git repo https://github.com/irh/advent-of-code
[INFO] tweaked toml for git repo https://github.com/irh/advent-of-code written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/irh/advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07e6ec8168c13a1ad9bf5bc0d293e15561e752c70bf4c8162199fd61f3cf05f9
[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" "07e6ec8168c13a1ad9bf5bc0d293e15561e752c70bf4c8162199fd61f3cf05f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07e6ec8168c13a1ad9bf5bc0d293e15561e752c70bf4c8162199fd61f3cf05f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e6ec8168c13a1ad9bf5bc0d293e15561e752c70bf4c8162199fd61f3cf05f9", kill_on_drop: false }`
[INFO] [stdout] 07e6ec8168c13a1ad9bf5bc0d293e15561e752c70bf4c8162199fd61f3cf05f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80ecd8635c3c0e6e1c1f98b862ffc95c746909d90cd86db05cb704bef426f7dc
[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" "80ecd8635c3c0e6e1c1f98b862ffc95c746909d90cd86db05cb704bef426f7dc", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.69s
[INFO] running `Command { std: "docker" "inspect" "80ecd8635c3c0e6e1c1f98b862ffc95c746909d90cd86db05cb704bef426f7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ecd8635c3c0e6e1c1f98b862ffc95c746909d90cd86db05cb704bef426f7dc", kill_on_drop: false }`
[INFO] [stdout] 80ecd8635c3c0e6e1c1f98b862ffc95c746909d90cd86db05cb704bef426f7dc