[INFO] crate crossbeam-channel 0.4.0 is already in cache
[INFO] checking crossbeam-channel-0.4.0 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate crossbeam-channel 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate crossbeam-channel 0.4.0 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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-6/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] f00be052483204b50c58ff923af3bded06638ce74d85bf5c5810a898d464cd98
[INFO] running `"docker" "start" "-a" "f00be052483204b50c58ff923af3bded06638ce74d85bf5c5810a898d464cd98"`
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `"docker" "inspect" "f00be052483204b50c58ff923af3bded06638ce74d85bf5c5810a898d464cd98"`
[INFO] running `"docker" "rm" "-f" "f00be052483204b50c58ff923af3bded06638ce74d85bf5c5810a898d464cd98"`
[INFO] [stdout] f00be052483204b50c58ff923af3bded06638ce74d85bf5c5810a898d464cd98