[INFO] crate waitgroup 0.1.1 is already in cache
[INFO] checking waitgroup-0.1.1 against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] extracting crate waitgroup 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate waitgroup 0.1.1 on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate waitgroup 0.1.1
[INFO] finished tweaking crates.io crate waitgroup 0.1.1
[INFO] tweaked toml for crates.io crate waitgroup 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "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] 040c0ab0473864be5a3d478ab0bd7c9b1360b6c845e6a6611a50f89e6fd97c7d
[INFO] running `"docker" "start" "-a" "040c0ab0473864be5a3d478ab0bd7c9b1360b6c845e6a6611a50f89e6fd97c7d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking waitgroup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking piper v0.1.2
[INFO] [stderr]     Checking smol v0.1.10
[INFO] [stderr]     Checking async-std v1.6.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.37s
[INFO] running `"docker" "inspect" "040c0ab0473864be5a3d478ab0bd7c9b1360b6c845e6a6611a50f89e6fd97c7d"`
[INFO] running `"docker" "rm" "-f" "040c0ab0473864be5a3d478ab0bd7c9b1360b6c845e6a6611a50f89e6fd97c7d"`
[INFO] [stdout] 040c0ab0473864be5a3d478ab0bd7c9b1360b6c845e6a6611a50f89e6fd97c7d