[INFO] fetching crate maildir 0.3.1...
[INFO] checking maildir-0.3.1 against beta-2019-10-27 for pr-65897
[INFO] extracting crate maildir 0.3.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate maildir 0.3.1 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 maildir 0.3.1
[INFO] finished tweaking crates.io crate maildir 0.3.1
[INFO] tweaked toml for crates.io crate maildir 0.3.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate maildir 0.3.1 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] cced02d30f58080ce3b9eb5ec437931527418ab5404c29c3d6e6ce2baadf5a17
[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" "cced02d30f58080ce3b9eb5ec437931527418ab5404c29c3d6e6ce2baadf5a17"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking quoted_printable v0.4.1
[INFO] [stderr]     Checking encoding_rs v0.8.20
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking mailparse v0.8.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking maildir v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `"docker" "inspect" "cced02d30f58080ce3b9eb5ec437931527418ab5404c29c3d6e6ce2baadf5a17"`
[INFO] running `"docker" "rm" "-f" "cced02d30f58080ce3b9eb5ec437931527418ab5404c29c3d6e6ce2baadf5a17"`
[INFO] [stdout] cced02d30f58080ce3b9eb5ec437931527418ab5404c29c3d6e6ce2baadf5a17