[INFO] crate crossbeam-channel 0.4.0 is already in cache
[INFO] checking crossbeam-channel-0.4.0 against master#4007d4ef26eab44bdabc2b7574d032152264d3ad for pr-66919
[INFO] extracting crate crossbeam-channel 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate crossbeam-channel 0.4.0 on toolchain 4007d4ef26eab44bdabc2b7574d032152264d3ad
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate crossbeam-channel 0.4.0
[INFO] finished tweaking crates.io crate crossbeam-channel 0.4.0
[INFO] tweaked toml for crates.io crate crossbeam-channel 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate crossbeam-channel 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d062c60ad82e44b1803290e84aa02d5ea803a3e932627a7466eb34d25a69deb2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d062c60ad82e44b1803290e84aa02d5ea803a3e932627a7466eb34d25a69deb2"`
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.24s
[INFO] running `"docker" "inspect" "d062c60ad82e44b1803290e84aa02d5ea803a3e932627a7466eb34d25a69deb2"`
[INFO] running `"docker" "rm" "-f" "d062c60ad82e44b1803290e84aa02d5ea803a3e932627a7466eb34d25a69deb2"`
[INFO] [stdout] d062c60ad82e44b1803290e84aa02d5ea803a3e932627a7466eb34d25a69deb2