Dec 19 20:01:35.857 INFO checking baxtersa/arrow against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:01:35.857 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/baxtersa/arrow:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:01:36.332 INFO [stdout] dbdc2f5e1b23354788e16f37077ba386bcf1ad76ffa9dba6b088b1ccf406d6fb
Dec 19 20:01:36.335 INFO running `"docker" "start" "-a" "dbdc2f5e1b23354788e16f37077ba386bcf1ad76ffa9dba6b088b1ccf406d6fb"`
Dec 19 20:01:38.976 INFO [stderr]     Checking arrow v0.1.0 (/opt/crater/workdir)
Dec 19 20:01:40.044 INFO [stderr] warning: unused import: `arrow::monads::*`
Dec 19 20:01:40.044 INFO [stderr]  --> src/main.rs:3:5
Dec 19 20:01:40.044 INFO [stderr]   |
Dec 19 20:01:40.044 INFO [stderr] 3 | use arrow::monads::*;
Dec 19 20:01:40.044 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 20:01:40.044 INFO [stderr]   |
Dec 19 20:01:40.044 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 20:01:40.048 INFO [stderr] 
Dec 19 20:01:40.052 INFO [stderr] warning: unused import: `arrow::monads::*`
Dec 19 20:01:40.052 INFO [stderr]  --> src/main.rs:3:5
Dec 19 20:01:40.052 INFO [stderr]   |
Dec 19 20:01:40.052 INFO [stderr] 3 | use arrow::monads::*;
Dec 19 20:01:40.052 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 20:01:40.052 INFO [stderr]   |
Dec 19 20:01:40.052 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 20:01:40.052 INFO [stderr] 
Dec 19 20:01:40.120 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 19 20:01:41.020 INFO running `"docker" "inspect" "dbdc2f5e1b23354788e16f37077ba386bcf1ad76ffa9dba6b088b1ccf406d6fb"`
Dec 19 20:01:41.408 INFO running `"docker" "rm" "-f" "dbdc2f5e1b23354788e16f37077ba386bcf1ad76ffa9dba6b088b1ccf406d6fb"`
Dec 19 20:01:41.753 INFO [stdout] dbdc2f5e1b23354788e16f37077ba386bcf1ad76ffa9dba6b088b1ccf406d6fb