[INFO] updating cached repository https://github.com/howeih/Day-67-Linked-list-mergesort
[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] c44a85f48c0d0e32c3b5b194697b2f5d2ee54c75
[INFO] checking howeih/Day-67-Linked-list-mergesort against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-67-Linked-list-mergesort" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howeih/Day-67-Linked-list-mergesort on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/howeih/Day-67-Linked-list-mergesort
[INFO] finished tweaking git repo https://github.com/howeih/Day-67-Linked-list-mergesort
[INFO] tweaked toml for git repo https://github.com/howeih/Day-67-Linked-list-mergesort written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/howeih/Day-67-Linked-list-mergesort already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 641a0e0261ef38ab79697fa759a0a0d1e80a921616070822dc9f85f5e97cecd2
[INFO] running `"docker" "start" "-a" "641a0e0261ef38ab79697fa759a0a0d1e80a921616070822dc9f85f5e97cecd2"`
[INFO] [stderr]     Checking linked_list_mergesort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "641a0e0261ef38ab79697fa759a0a0d1e80a921616070822dc9f85f5e97cecd2"`
[INFO] running `"docker" "rm" "-f" "641a0e0261ef38ab79697fa759a0a0d1e80a921616070822dc9f85f5e97cecd2"`
[INFO] [stdout] 641a0e0261ef38ab79697fa759a0a0d1e80a921616070822dc9f85f5e97cecd2