[INFO] crate mio-serial 3.3.0 is already in cache
[INFO] checking mio-serial-3.3.0 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate mio-serial 3.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mio-serial 3.3.0 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mio-serial 3.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mio-serial 3.3.0
[INFO] tweaked toml for crates.io crate mio-serial 3.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate mio-serial 3.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] f587022580bd3e522052de043d1649af669571e07567273b9eb9501bc565ca44
[INFO] running `"docker" "start" "-a" "f587022580bd3e522052de043d1649af669571e07567273b9eb9501bc565ca44"`
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking mio-serial v3.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `"docker" "inspect" "f587022580bd3e522052de043d1649af669571e07567273b9eb9501bc565ca44"`
[INFO] running `"docker" "rm" "-f" "f587022580bd3e522052de043d1649af669571e07567273b9eb9501bc565ca44"`
[INFO] [stdout] f587022580bd3e522052de043d1649af669571e07567273b9eb9501bc565ca44