[INFO] fetching crate rustc-ap-arena 654.0.0...
[INFO] checking rustc-ap-arena-654.0.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate rustc-ap-arena 654.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rustc-ap-arena 654.0.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustc-ap-arena 654.0.0
[INFO] finished tweaking crates.io crate rustc-ap-arena 654.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-arena 654.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 21e8dffdc6f06bf0101951ea17573ec441fc15984b7b0ad85c05e560f0a52d7e
[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" "21e8dffdc6f06bf0101951ea17573ec441fc15984b7b0ad85c05e560f0a52d7e"`
[INFO] [stderr]     Checking rustc-ap-graphviz v654.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking rustc-ap-serialize v654.0.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking measureme v0.7.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking rustc-ap-rustc_index v654.0.0
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v654.0.0
[INFO] [stderr]     Checking rustc-ap-arena v654.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.74s
[INFO] running `"docker" "inspect" "21e8dffdc6f06bf0101951ea17573ec441fc15984b7b0ad85c05e560f0a52d7e"`
[INFO] running `"docker" "rm" "-f" "21e8dffdc6f06bf0101951ea17573ec441fc15984b7b0ad85c05e560f0a52d7e"`
[INFO] [stdout] 21e8dffdc6f06bf0101951ea17573ec441fc15984b7b0ad85c05e560f0a52d7e