[INFO] cloning repository https://github.com/bpk-t/polish_notation_calc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bpk-t/polish_notation_calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpk-t%2Fpolish_notation_calc"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpk-t%2Fpolish_notation_calc'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dbca0fe457de61a1baefa394ec41236034a49cdc
[INFO] checking bpk-t/polish_notation_calc against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpk-t%2Fpolish_notation_calc" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bpk-t/polish_notation_calc on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bpk-t/polish_notation_calc
[INFO] finished tweaking git repo https://github.com/bpk-t/polish_notation_calc
[INFO] tweaked toml for git repo https://github.com/bpk-t/polish_notation_calc written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/bpk-t/polish_notation_calc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] aa700ff5a9325142610988acc0c98e7ca67884b8101b960511f704121e05820f
[INFO] running `"docker" "start" "-a" "aa700ff5a9325142610988acc0c98e7ca67884b8101b960511f704121e05820f"`
[INFO] [stderr]     Checking polish_notation_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "aa700ff5a9325142610988acc0c98e7ca67884b8101b960511f704121e05820f"`
[INFO] running `"docker" "rm" "-f" "aa700ff5a9325142610988acc0c98e7ca67884b8101b960511f704121e05820f"`
[INFO] [stdout] aa700ff5a9325142610988acc0c98e7ca67884b8101b960511f704121e05820f