Dec 19 16:41:37.172 INFO checking garyemerson/circular_walk against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:41:37.172 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/garyemerson/circular_walk:/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 16:41:37.534 INFO [stdout] e4dbd4b125f3be7cd31ecb6ae0aa603dc15b130e3890dd9f1f9ad2f199427429
Dec 19 16:41:37.540 INFO running `"docker" "start" "-a" "e4dbd4b125f3be7cd31ecb6ae0aa603dc15b130e3890dd9f1f9ad2f199427429"`
Dec 19 16:41:38.724 INFO [stderr]     Checking circular_walk v0.1.0 (/opt/crater/workdir)
Dec 19 16:41:38.944 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 19 16:41:38.944 INFO [stderr]   --> src/main.rs:79:35
Dec 19 16:41:38.944 INFO [stderr]    |
Dec 19 16:41:38.944 INFO [stderr] 79 |         Box::new((start..n).chain((0..(end + 1))))
Dec 19 16:41:38.944 INFO [stderr]    |                                   ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 16:41:38.944 INFO [stderr]    |
Dec 19 16:41:38.944 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 16:41:38.944 INFO [stderr] 
Dec 19 16:41:38.944 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 16:41:38.944 INFO [stderr]   --> src/main.rs:81:18
Dec 19 16:41:38.944 INFO [stderr]    |
Dec 19 16:41:38.944 INFO [stderr] 81 |         Box::new((start..(end + 1)))
Dec 19 16:41:38.944 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 16:41:38.944 INFO [stderr] 
Dec 19 16:41:38.980 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 19 16:41:38.980 INFO [stderr]   --> src/main.rs:79:35
Dec 19 16:41:38.980 INFO [stderr]    |
Dec 19 16:41:38.980 INFO [stderr] 79 |         Box::new((start..n).chain((0..(end + 1))))
Dec 19 16:41:38.980 INFO [stderr]    |                                   ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 16:41:38.980 INFO [stderr]    |
Dec 19 16:41:38.980 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 16:41:38.980 INFO [stderr] 
Dec 19 16:41:38.980 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 16:41:38.980 INFO [stderr]   --> src/main.rs:81:18
Dec 19 16:41:38.980 INFO [stderr]    |
Dec 19 16:41:38.980 INFO [stderr] 81 |         Box::new((start..(end + 1)))
Dec 19 16:41:38.980 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 16:41:38.980 INFO [stderr] 
Dec 19 16:41:39.161 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Dec 19 16:41:39.760 INFO running `"docker" "inspect" "e4dbd4b125f3be7cd31ecb6ae0aa603dc15b130e3890dd9f1f9ad2f199427429"`
Dec 19 16:41:40.036 INFO running `"docker" "rm" "-f" "e4dbd4b125f3be7cd31ecb6ae0aa603dc15b130e3890dd9f1f9ad2f199427429"`
Dec 19 16:41:40.248 INFO [stdout] e4dbd4b125f3be7cd31ecb6ae0aa603dc15b130e3890dd9f1f9ad2f199427429