[INFO] updating cached repository https://github.com/ChunMinChang/play-multithread
[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] f9b4eae8230126323ef441c799a67584ce6b825c
[INFO] checking ChunMinChang/play-multithread against try#e2aab98dd8975a0990f9fbb79b3ea4b40559a184 for pr-72493
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChunMinChang%2Fplay-multithread" "/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/ChunMinChang/play-multithread on toolchain e2aab98dd8975a0990f9fbb79b3ea4b40559a184
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ChunMinChang/play-multithread
[INFO] finished tweaking git repo https://github.com/ChunMinChang/play-multithread
[INFO] tweaked toml for git repo https://github.com/ChunMinChang/play-multithread written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ChunMinChang/play-multithread already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "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] 1122d2d1e5691d99291c2138842f2607bcf638fc27c7a2ccded86f25cf9b799d
[INFO] running `"docker" "start" "-a" "1122d2d1e5691d99291c2138842f2607bcf638fc27c7a2ccded86f25cf9b799d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking play_multithread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "1122d2d1e5691d99291c2138842f2607bcf638fc27c7a2ccded86f25cf9b799d"`
[INFO] running `"docker" "rm" "-f" "1122d2d1e5691d99291c2138842f2607bcf638fc27c7a2ccded86f25cf9b799d"`
[INFO] [stdout] 1122d2d1e5691d99291c2138842f2607bcf638fc27c7a2ccded86f25cf9b799d