[INFO] cloning repository https://github.com/fhiroki/rust_word_count
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fhiroki/rust_word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffhiroki%2Frust_word_count"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffhiroki%2Frust_word_count'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 02c6426140e1f0134e368db6eed111c18992ffc0
[INFO] checking fhiroki/rust_word_count against master#450abe80f193ccefbfcd48214d70520f2d507f0e for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffhiroki%2Frust_word_count" "/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/fhiroki/rust_word_count 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/fhiroki/rust_word_count
[INFO] finished tweaking git repo https://github.com/fhiroki/rust_word_count
[INFO] tweaked toml for git repo https://github.com/fhiroki/rust_word_count written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/fhiroki/rust_word_count 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] fe01e48b6c5989b750e73e8384336d1b78e83bf6ec6bdc98a5b3cd85ce92d615
[INFO] running `"docker" "start" "-a" "fe01e48b6c5989b750e73e8384336d1b78e83bf6ec6bdc98a5b3cd85ce92d615"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking fhiroki-bicycle-book-wordcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.16s
[INFO] running `"docker" "inspect" "fe01e48b6c5989b750e73e8384336d1b78e83bf6ec6bdc98a5b3cd85ce92d615"`
[INFO] running `"docker" "rm" "-f" "fe01e48b6c5989b750e73e8384336d1b78e83bf6ec6bdc98a5b3cd85ce92d615"`
[INFO] [stdout] fe01e48b6c5989b750e73e8384336d1b78e83bf6ec6bdc98a5b3cd85ce92d615