[INFO] fetching crate grep 0.2.6...
[INFO] checking grep-0.2.6 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate grep 0.2.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate grep 0.2.6 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate grep 0.2.6
[INFO] finished tweaking crates.io crate grep 0.2.6
[INFO] tweaked toml for crates.io crate grep 0.2.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate grep 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 5574321863e42f6f0137278aa847de5eb4dc06e4a31110e7fccb58327577b279
[INFO] running `"docker" "start" "-a" "5574321863e42f6f0137278aa847de5eb4dc06e4a31110e7fccb58327577b279"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling serde v1.0.107
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking encoding_rs v0.8.22
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking grep-searcher v0.1.7
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking grep-regex v0.1.8
[INFO] [stderr]     Checking grep-cli v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.107
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking grep-printer v0.1.5
[INFO] [stderr]     Checking grep v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.63s
[INFO] running `"docker" "inspect" "5574321863e42f6f0137278aa847de5eb4dc06e4a31110e7fccb58327577b279"`
[INFO] running `"docker" "rm" "-f" "5574321863e42f6f0137278aa847de5eb4dc06e4a31110e7fccb58327577b279"`
[INFO] [stdout] 5574321863e42f6f0137278aa847de5eb4dc06e4a31110e7fccb58327577b279