[INFO] updating cached repository https://github.com/stephan-cr/fold_files
[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] [stderr] From https://github.com/stephan-cr/fold_files
[INFO] [stderr]    2f6e33d..dd78f24  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dd78f24de731b445c4d5fd0e2a5c9fedb1f576de
[INFO] checking stephan-cr/fold_files against master#450abe80f193ccefbfcd48214d70520f2d507f0e for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephan-cr%2Ffold_files" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stephan-cr/fold_files on toolchain 450abe80f193ccefbfcd48214d70520f2d507f0e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/stephan-cr/fold_files
[INFO] finished tweaking git repo https://github.com/stephan-cr/fold_files
[INFO] tweaked toml for git repo https://github.com/stephan-cr/fold_files written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/stephan-cr/fold_files already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "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] 739430f8f1e0e01ebbf7ba939377c25b8b3a8fc7eb133455cfb7a3feec378120
[INFO] running `"docker" "start" "-a" "739430f8f1e0e01ebbf7ba939377c25b8b3a8fc7eb133455cfb7a3feec378120"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking fold_files v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.44s
[INFO] running `"docker" "inspect" "739430f8f1e0e01ebbf7ba939377c25b8b3a8fc7eb133455cfb7a3feec378120"`
[INFO] running `"docker" "rm" "-f" "739430f8f1e0e01ebbf7ba939377c25b8b3a8fc7eb133455cfb7a3feec378120"`
[INFO] [stdout] 739430f8f1e0e01ebbf7ba939377c25b8b3a8fc7eb133455cfb7a3feec378120