[INFO] cloning repository https://github.com/vctr-dev/advent-of-code-2019-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vctr-dev/advent-of-code-2019-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvctr-dev%2Fadvent-of-code-2019-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvctr-dev%2Fadvent-of-code-2019-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f702a1549b1e20a9cdfb0ea6c0d4947222a8eda
[INFO] checking vctr-dev/advent-of-code-2019-rust against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvctr-dev%2Fadvent-of-code-2019-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vctr-dev/advent-of-code-2019-rust on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vctr-dev/advent-of-code-2019-rust
[INFO] finished tweaking git repo https://github.com/vctr-dev/advent-of-code-2019-rust
[INFO] tweaked toml for git repo https://github.com/vctr-dev/advent-of-code-2019-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/vctr-dev/advent-of-code-2019-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", 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] 3e8a01e041d35c3aa725ed76b1a17d98144a1526ab1df5b4ef10628e5e0eb7bf
[INFO] running `Command { std: "docker" "start" "-a" "3e8a01e041d35c3aa725ed76b1a17d98144a1526ab1df5b4ef10628e5e0eb7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e8a01e041d35c3aa725ed76b1a17d98144a1526ab1df5b4ef10628e5e0eb7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8a01e041d35c3aa725ed76b1a17d98144a1526ab1df5b4ef10628e5e0eb7bf", kill_on_drop: false }`
[INFO] [stdout] 3e8a01e041d35c3aa725ed76b1a17d98144a1526ab1df5b4ef10628e5e0eb7bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 776f8d5d4bb4f7e545ac2d2019c6ebbcb3fd83ae08426e53d94f1dd7ca6a09d1
[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" "776f8d5d4bb4f7e545ac2d2019c6ebbcb3fd83ae08426e53d94f1dd7ca6a09d1", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc2019-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "776f8d5d4bb4f7e545ac2d2019c6ebbcb3fd83ae08426e53d94f1dd7ca6a09d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "776f8d5d4bb4f7e545ac2d2019c6ebbcb3fd83ae08426e53d94f1dd7ca6a09d1", kill_on_drop: false }`
[INFO] [stdout] 776f8d5d4bb4f7e545ac2d2019c6ebbcb3fd83ae08426e53d94f1dd7ca6a09d1