Dec 04 18:20:51.316 INFO checking garyemerson/circular_walk against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 18:20:51.316 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 18:20:51.769 INFO [stdout] 3db7752b7de71681f3cfa65c7fd8f4becec227a328d554317a84cd3a88b9d20c
Dec 04 18:20:51.800 INFO running `"docker" "start" "-a" "3db7752b7de71681f3cfa65c7fd8f4becec227a328d554317a84cd3a88b9d20c"`
Dec 04 18:20:53.039 INFO [stderr] usermod: no changes
Dec 04 18:20:53.119 INFO [stderr]     Checking circular_walk v0.1.0 (/source)
Dec 04 18:20:53.541 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 04 18:20:53.541 INFO [stderr]   --> src/main.rs:79:35
Dec 04 18:20:53.541 INFO [stderr]    |
Dec 04 18:20:53.541 INFO [stderr] 79 |         Box::new((start..n).chain((0..(end + 1))))
Dec 04 18:20:53.541 INFO [stderr]    |                                   ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 18:20:53.541 INFO [stderr]    |
Dec 04 18:20:53.541 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 18:20:53.541 INFO [stderr] 
Dec 04 18:20:53.541 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 18:20:53.541 INFO [stderr]   --> src/main.rs:81:18
Dec 04 18:20:53.541 INFO [stderr]    |
Dec 04 18:20:53.541 INFO [stderr] 81 |         Box::new((start..(end + 1)))
Dec 04 18:20:53.541 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 18:20:53.541 INFO [stderr] 
Dec 04 18:20:53.683 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 04 18:20:53.683 INFO [stderr]   --> src/main.rs:79:35
Dec 04 18:20:53.683 INFO [stderr]    |
Dec 04 18:20:53.683 INFO [stderr] 79 |         Box::new((start..n).chain((0..(end + 1))))
Dec 04 18:20:53.683 INFO [stderr]    |                                   ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 18:20:53.683 INFO [stderr]    |
Dec 04 18:20:53.683 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 18:20:53.683 INFO [stderr] 
Dec 04 18:20:53.683 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 18:20:53.683 INFO [stderr]   --> src/main.rs:81:18
Dec 04 18:20:53.683 INFO [stderr]    |
Dec 04 18:20:53.683 INFO [stderr] 81 |         Box::new((start..(end + 1)))
Dec 04 18:20:53.683 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 18:20:53.683 INFO [stderr] 
Dec 04 18:20:53.860 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 04 18:20:53.866 INFO [stderr] su: No module specific data is present
Dec 04 18:20:54.653 INFO running `"docker" "inspect" "3db7752b7de71681f3cfa65c7fd8f4becec227a328d554317a84cd3a88b9d20c"`
Dec 04 18:20:54.983 INFO running `"docker" "rm" "-f" "3db7752b7de71681f3cfa65c7fd8f4becec227a328d554317a84cd3a88b9d20c"`
Dec 04 18:20:55.282 INFO [stdout] 3db7752b7de71681f3cfa65c7fd8f4becec227a328d554317a84cd3a88b9d20c