Dec 19 20:13:48.684 INFO checking atsushi130/perceptron against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:13:48.684 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/atsushi130/perceptron:/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 20:13:48.928 INFO [stdout] 73b33c5f53050abde4879bfff3c65d669aea5489449eecff366a3acd7f0f59c8
Dec 19 20:13:48.929 INFO running `"docker" "start" "-a" "73b33c5f53050abde4879bfff3c65d669aea5489449eecff366a3acd7f0f59c8"`
Dec 19 20:13:49.995 INFO [stderr]     Checking perceptron v0.1.0 (/opt/crater/workdir)
Dec 19 20:13:50.484 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 19 20:13:50.484 INFO [stderr]   --> src/learner/perceptron/perceptron.rs:64:19
Dec 19 20:13:50.484 INFO [stderr]    |
Dec 19 20:13:50.484 INFO [stderr] 64 |         self.sign((x as f64))
Dec 19 20:13:50.484 INFO [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
Dec 19 20:13:50.484 INFO [stderr]    |
Dec 19 20:13:50.484 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 20:13:50.484 INFO [stderr] 
Dec 19 20:13:50.528 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 19 20:13:50.528 INFO [stderr]   --> src/learner/perceptron/perceptron.rs:64:19
Dec 19 20:13:50.528 INFO [stderr]    |
Dec 19 20:13:50.528 INFO [stderr] 64 |         self.sign((x as f64))
Dec 19 20:13:50.528 INFO [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
Dec 19 20:13:50.528 INFO [stderr]    |
Dec 19 20:13:50.528 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 20:13:50.528 INFO [stderr] 
Dec 19 20:13:50.570 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 19 20:13:50.570 INFO [stderr]   --> src/file_operator/parser/tsv_parser.rs:11:37
Dec 19 20:13:50.570 INFO [stderr]    |
Dec 19 20:13:50.570 INFO [stderr] 11 |         let splits: Vec<_> = string.trim_right().split('\t').collect();
Dec 19 20:13:50.570 INFO [stderr]    |                                     ^^^^^^^^^^
Dec 19 20:13:50.570 INFO [stderr]    |
Dec 19 20:13:50.570 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 20:13:50.570 INFO [stderr] 
Dec 19 20:13:50.592 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 19 20:13:50.592 INFO [stderr]   --> src/file_operator/parser/tsv_parser.rs:11:37
Dec 19 20:13:50.592 INFO [stderr]    |
Dec 19 20:13:50.592 INFO [stderr] 11 |         let splits: Vec<_> = string.trim_right().split('\t').collect();
Dec 19 20:13:50.592 INFO [stderr]    |                                     ^^^^^^^^^^
Dec 19 20:13:50.592 INFO [stderr]    |
Dec 19 20:13:50.592 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 20:13:50.592 INFO [stderr] 
Dec 19 20:13:50.761 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 19 20:13:51.818 INFO running `"docker" "inspect" "73b33c5f53050abde4879bfff3c65d669aea5489449eecff366a3acd7f0f59c8"`
Dec 19 20:13:52.146 INFO running `"docker" "rm" "-f" "73b33c5f53050abde4879bfff3c65d669aea5489449eecff366a3acd7f0f59c8"`
Dec 19 20:13:52.360 INFO [stdout] 73b33c5f53050abde4879bfff3c65d669aea5489449eecff366a3acd7f0f59c8