[INFO] cloning repository https://github.com/NichtsVonChaos/red_black_tree
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NichtsVonChaos/red_black_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNichtsVonChaos%2Fred_black_tree"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNichtsVonChaos%2Fred_black_tree'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1785b7491c072ce4ac20112349c866abcc273639
[INFO] checking NichtsVonChaos/red_black_tree against try#f88e9a4452e792c29632101b348a1df9876d45cd for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNichtsVonChaos%2Fred_black_tree" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NichtsVonChaos/red_black_tree on toolchain f88e9a4452e792c29632101b348a1df9876d45cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/NichtsVonChaos/red_black_tree
[INFO] finished tweaking git repo https://github.com/NichtsVonChaos/red_black_tree
[INFO] tweaked toml for git repo https://github.com/NichtsVonChaos/red_black_tree written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/NichtsVonChaos/red_black_tree already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+f88e9a4452e792c29632101b348a1df9876d45cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bfc4b73f6be9b33a359f93bc939ae4eda616fa19f6eabd059e782bc7300a8fdf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bfc4b73f6be9b33a359f93bc939ae4eda616fa19f6eabd059e782bc7300a8fdf"`
[INFO] [stderr]     Checking rbcontainer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "bfc4b73f6be9b33a359f93bc939ae4eda616fa19f6eabd059e782bc7300a8fdf"`
[INFO] running `"docker" "rm" "-f" "bfc4b73f6be9b33a359f93bc939ae4eda616fa19f6eabd059e782bc7300a8fdf"`
[INFO] [stdout] bfc4b73f6be9b33a359f93bc939ae4eda616fa19f6eabd059e782bc7300a8fdf