Dec 17 23:57:04.044 INFO checking garyemerson/circular_walk against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 23:57:04.044 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:57:04.327 INFO [stdout] 4bca9f222966407b90db7fb6646a155ed51bfcf59a70781b7ea980cc3392a610
Dec 17 23:57:04.338 INFO running `"docker" "start" "-a" "4bca9f222966407b90db7fb6646a155ed51bfcf59a70781b7ea980cc3392a610"`
Dec 17 23:57:05.729 INFO [stderr]     Checking circular_walk v0.1.0 (/opt/crater/workdir)
Dec 17 23:57:05.940 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 17 23:57:05.940 INFO [stderr]   --> src/main.rs:79:35
Dec 17 23:57:05.940 INFO [stderr]    |
Dec 17 23:57:05.940 INFO [stderr] 79 |         Box::new((start..n).chain((0..(end + 1))))
Dec 17 23:57:05.940 INFO [stderr]    |                                   ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 23:57:05.940 INFO [stderr]    |
Dec 17 23:57:05.940 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 23:57:05.940 INFO [stderr] 
Dec 17 23:57:05.940 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 17 23:57:05.940 INFO [stderr]   --> src/main.rs:81:18
Dec 17 23:57:05.940 INFO [stderr]    |
Dec 17 23:57:05.940 INFO [stderr] 81 |         Box::new((start..(end + 1)))
Dec 17 23:57:05.940 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 23:57:05.940 INFO [stderr] 
Dec 17 23:57:05.956 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 17 23:57:05.956 INFO [stderr]   --> src/main.rs:79:35
Dec 17 23:57:05.956 INFO [stderr]    |
Dec 17 23:57:05.956 INFO [stderr] 79 |         Box::new((start..n).chain((0..(end + 1))))
Dec 17 23:57:05.956 INFO [stderr]    |                                   ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 23:57:05.956 INFO [stderr]    |
Dec 17 23:57:05.956 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 23:57:05.956 INFO [stderr] 
Dec 17 23:57:05.956 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 17 23:57:05.956 INFO [stderr]   --> src/main.rs:81:18
Dec 17 23:57:05.956 INFO [stderr]    |
Dec 17 23:57:05.956 INFO [stderr] 81 |         Box::new((start..(end + 1)))
Dec 17 23:57:05.956 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 23:57:05.956 INFO [stderr] 
Dec 17 23:57:06.108 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Dec 17 23:57:06.645 INFO running `"docker" "inspect" "4bca9f222966407b90db7fb6646a155ed51bfcf59a70781b7ea980cc3392a610"`
Dec 17 23:57:06.886 INFO running `"docker" "rm" "-f" "4bca9f222966407b90db7fb6646a155ed51bfcf59a70781b7ea980cc3392a610"`
Dec 17 23:57:07.135 INFO [stdout] 4bca9f222966407b90db7fb6646a155ed51bfcf59a70781b7ea980cc3392a610