[INFO] crate m-o 1.0.0 is already in cache
[INFO] checking m-o-1.0.0 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate m-o 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate m-o 1.0.0 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate m-o 1.0.0
[INFO] finished tweaking crates.io crate m-o 1.0.0
[INFO] tweaked toml for crates.io crate m-o 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate m-o 1.0.0 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] aac94cbb478c492cc7d25d63ea3653288b6dd17d0d18f03ad347e90c4224ad9c
[INFO] running `"docker" "start" "-a" "aac94cbb478c492cc7d25d63ea3653288b6dd17d0d18f03ad347e90c4224ad9c"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking typed-arena v1.5.0
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking pretty v0.6.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]     Checking structopt v0.3.1
[INFO] [stderr]     Checking m-o v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.67s
[INFO] running `"docker" "inspect" "aac94cbb478c492cc7d25d63ea3653288b6dd17d0d18f03ad347e90c4224ad9c"`
[INFO] running `"docker" "rm" "-f" "aac94cbb478c492cc7d25d63ea3653288b6dd17d0d18f03ad347e90c4224ad9c"`
[INFO] [stdout] aac94cbb478c492cc7d25d63ea3653288b6dd17d0d18f03ad347e90c4224ad9c