[INFO] updating cached repository https://github.com/DarthStrom/2015-Rust-Advent-of-Code
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 10955ca5e181e65244f5ffad36f7150c200fb0d7
[INFO] checking DarthStrom/2015-Rust-Advent-of-Code against master#b1f395de642e8be7bcbbd2bd8aaadab715851f49 for pr-69410
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarthStrom%2F2015-Rust-Advent-of-Code" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DarthStrom/2015-Rust-Advent-of-Code on toolchain b1f395de642e8be7bcbbd2bd8aaadab715851f49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/DarthStrom/2015-Rust-Advent-of-Code
[INFO] finished tweaking git repo https://github.com/DarthStrom/2015-Rust-Advent-of-Code
[INFO] tweaked toml for git repo https://github.com/DarthStrom/2015-Rust-Advent-of-Code written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/DarthStrom/2015-Rust-Advent-of-Code already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50c7f4856dde46eb287d0ff75484ad3c2d73c0ae5369216c7114cda4ba85dee8
[INFO] running `"docker" "start" "-a" "50c7f4856dde46eb287d0ff75484ad3c2d73c0ae5369216c7114cda4ba85dee8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking y2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `"docker" "inspect" "50c7f4856dde46eb287d0ff75484ad3c2d73c0ae5369216c7114cda4ba85dee8"`
[INFO] running `"docker" "rm" "-f" "50c7f4856dde46eb287d0ff75484ad3c2d73c0ae5369216c7114cda4ba85dee8"`
[INFO] [stdout] 50c7f4856dde46eb287d0ff75484ad3c2d73c0ae5369216c7114cda4ba85dee8