[INFO] fetching crate macro-machines 0.9.0...
[INFO] checking macro-machines-0.9.0 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate macro-machines 0.9.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate macro-machines 0.9.0 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate macro-machines 0.9.0
[INFO] finished tweaking crates.io crate macro-machines 0.9.0
[INFO] tweaked toml for crates.io crate macro-machines 0.9.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate macro-machines 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0eac0653c6b5ef9a711dcbe31650902b037ce50f2121717289dc516cf402c4ce
[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" "0eac0653c6b5ef9a711dcbe31650902b037ce50f2121717289dc516cf402c4ce"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking marksman_escape v0.1.2
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]    Compiling variant_count v1.0.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking simplelog v0.7.1
[INFO] [stderr]     Checking macro-machines v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]     --> /opt/rustwide/workdir/src/macro_def.rs:1817:6
[INFO] [stderr]      |
[INFO] [stderr] 1817 |     $($action)*
[INFO] [stderr]      |      ^^^^^^^^^ help: remove these braces
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.42s
[INFO] running `"docker" "inspect" "0eac0653c6b5ef9a711dcbe31650902b037ce50f2121717289dc516cf402c4ce"`
[INFO] running `"docker" "rm" "-f" "0eac0653c6b5ef9a711dcbe31650902b037ce50f2121717289dc516cf402c4ce"`
[INFO] [stdout] 0eac0653c6b5ef9a711dcbe31650902b037ce50f2121717289dc516cf402c4ce