Dec 11 22:15:10.163 INFO checking atsushi130/perceptron against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 22:15:10.163 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 22:15:10.326 INFO [stdout] f4fc45d882bd3d33c5ec63f02b34c77501f169e42cac0334cae53b981ffe795f
Dec 11 22:15:10.330 INFO running `"docker" "start" "-a" "f4fc45d882bd3d33c5ec63f02b34c77501f169e42cac0334cae53b981ffe795f"`
Dec 11 22:15:10.868 INFO [stderr] usermod: no changes
Dec 11 22:15:10.897 INFO [stderr]     Checking perceptron v0.1.0 (/source)
Dec 11 22:15:11.284 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 11 22:15:11.284 INFO [stderr]   --> src/learner/perceptron/perceptron.rs:64:19
Dec 11 22:15:11.284 INFO [stderr]    |
Dec 11 22:15:11.284 INFO [stderr] 64 |         self.sign((x as f64))
Dec 11 22:15:11.284 INFO [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
Dec 11 22:15:11.284 INFO [stderr]    |
Dec 11 22:15:11.284 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 22:15:11.284 INFO [stderr] 
Dec 11 22:15:11.423 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 11 22:15:11.423 INFO [stderr]   --> src/learner/perceptron/perceptron.rs:64:19
Dec 11 22:15:11.423 INFO [stderr]    |
Dec 11 22:15:11.423 INFO [stderr] 64 |         self.sign((x as f64))
Dec 11 22:15:11.424 INFO [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
Dec 11 22:15:11.424 INFO [stderr]    |
Dec 11 22:15:11.424 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 22:15:11.424 INFO [stderr] 
Dec 11 22:15:11.541 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 11 22:15:11.543 INFO [stderr] su: No module specific data is present
Dec 11 22:15:12.544 INFO running `"docker" "inspect" "f4fc45d882bd3d33c5ec63f02b34c77501f169e42cac0334cae53b981ffe795f"`
Dec 11 22:15:12.866 INFO running `"docker" "rm" "-f" "f4fc45d882bd3d33c5ec63f02b34c77501f169e42cac0334cae53b981ffe795f"`
Dec 11 22:15:13.189 INFO [stdout] f4fc45d882bd3d33c5ec63f02b34c77501f169e42cac0334cae53b981ffe795f