[INFO] fetching crate mmd 0.0.1...
[INFO] checking mmd-0.0.1 against beta-2019-10-27 for pr-65897
[INFO] extracting crate mmd 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mmd 0.0.1 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mmd 0.0.1
[INFO] finished tweaking crates.io crate mmd 0.0.1
[INFO] tweaked toml for crates.io crate mmd 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate mmd 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fb29ef421e5cdb6c66f5bd28d9d8eb12dbd3f0d475da3034a6aae1d8c15a234a
[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" "fb29ef421e5cdb6c66f5bd28d9d8eb12dbd3f0d475da3034a6aae1d8c15a234a"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling enumflags2_derive v0.6.0
[INFO] [stderr]     Checking enumflags2 v0.6.0
[INFO] [stderr]     Checking mmd v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.48s
[INFO] running `"docker" "inspect" "fb29ef421e5cdb6c66f5bd28d9d8eb12dbd3f0d475da3034a6aae1d8c15a234a"`
[INFO] running `"docker" "rm" "-f" "fb29ef421e5cdb6c66f5bd28d9d8eb12dbd3f0d475da3034a6aae1d8c15a234a"`
[INFO] [stdout] fb29ef421e5cdb6c66f5bd28d9d8eb12dbd3f0d475da3034a6aae1d8c15a234a