Dec 17 19:20:12.522 INFO checking mpdrescher/latex-preprocessor against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 19:20:12.522 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/mpdrescher/latex-preprocessor:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:20:13.024 INFO [stdout] fa7857bbde73f25c7ae6a6bce63c32572691c01a893126cd96216996374d7d94
Dec 17 19:20:13.030 INFO running `"docker" "start" "-a" "fa7857bbde73f25c7ae6a6bce63c32572691c01a893126cd96216996374d7d94"`
Dec 17 19:20:15.221 INFO [stderr]     Checking latex-preprocessor v0.1.0 (/opt/crater/workdir)
Dec 17 19:20:15.562 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 17 19:20:15.562 INFO [stderr]    --> src/main.rs:181:44
Dec 17 19:20:15.562 INFO [stderr]     |
Dec 17 19:20:15.562 INFO [stderr] 181 |       string.into_iter().fold(String::new(), (|mut acc, x| {
Dec 17 19:20:15.562 INFO [stderr]     |  ____________________________________________^
Dec 17 19:20:15.562 INFO [stderr] 182 | |         acc.push_str(prefix);
Dec 17 19:20:15.562 INFO [stderr] 183 | |         acc.push_str(&x);
Dec 17 19:20:15.562 INFO [stderr] 184 | |         acc.push_str(suffix); 
Dec 17 19:20:15.562 INFO [stderr] 185 | |         acc
Dec 17 19:20:15.562 INFO [stderr] 186 | |     }))
Dec 17 19:20:15.562 INFO [stderr]     | |______^
Dec 17 19:20:15.562 INFO [stderr]     |
Dec 17 19:20:15.562 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 17 19:20:15.562 INFO [stderr] help: remove these parentheses
Dec 17 19:20:15.562 INFO [stderr]     |
Dec 17 19:20:15.562 INFO [stderr] 181 |     string.into_iter().fold(String::new(), |mut acc, x| {
Dec 17 19:20:15.562 INFO [stderr] 182 |         acc.push_str(prefix);
Dec 17 19:20:15.562 INFO [stderr] 183 |         acc.push_str(&x);
Dec 17 19:20:15.562 INFO [stderr] 184 |         acc.push_str(suffix); 
Dec 17 19:20:15.562 INFO [stderr] 185 |         acc
Dec 17 19:20:15.562 INFO [stderr] 186 |     })
Dec 17 19:20:15.562 INFO [stderr]     |
Dec 17 19:20:15.562 INFO [stderr] 
Dec 17 19:20:15.568 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 17 19:20:15.568 INFO [stderr]    --> src/main.rs:181:44
Dec 17 19:20:15.568 INFO [stderr]     |
Dec 17 19:20:15.568 INFO [stderr] 181 |       string.into_iter().fold(String::new(), (|mut acc, x| {
Dec 17 19:20:15.568 INFO [stderr]     |  ____________________________________________^
Dec 17 19:20:15.568 INFO [stderr] 182 | |         acc.push_str(prefix);
Dec 17 19:20:15.569 INFO [stderr] 183 | |         acc.push_str(&x);
Dec 17 19:20:15.569 INFO [stderr] 184 | |         acc.push_str(suffix); 
Dec 17 19:20:15.569 INFO [stderr] 185 | |         acc
Dec 17 19:20:15.569 INFO [stderr] 186 | |     }))
Dec 17 19:20:15.569 INFO [stderr]     | |______^
Dec 17 19:20:15.569 INFO [stderr]     |
Dec 17 19:20:15.569 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 17 19:20:15.569 INFO [stderr] help: remove these parentheses
Dec 17 19:20:15.569 INFO [stderr]     |
Dec 17 19:20:15.569 INFO [stderr] 181 |     string.into_iter().fold(String::new(), |mut acc, x| {
Dec 17 19:20:15.569 INFO [stderr] 182 |         acc.push_str(prefix);
Dec 17 19:20:15.569 INFO [stderr] 183 |         acc.push_str(&x);
Dec 17 19:20:15.569 INFO [stderr] 184 |         acc.push_str(suffix); 
Dec 17 19:20:15.569 INFO [stderr] 185 |         acc
Dec 17 19:20:15.569 INFO [stderr] 186 |     })
Dec 17 19:20:15.569 INFO [stderr]     |
Dec 17 19:20:15.569 INFO [stderr] 
Dec 17 19:20:15.836 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Dec 17 19:20:16.950 INFO running `"docker" "inspect" "fa7857bbde73f25c7ae6a6bce63c32572691c01a893126cd96216996374d7d94"`
Dec 17 19:20:17.278 INFO running `"docker" "rm" "-f" "fa7857bbde73f25c7ae6a6bce63c32572691c01a893126cd96216996374d7d94"`
Dec 17 19:20:17.676 INFO [stdout] fa7857bbde73f25c7ae6a6bce63c32572691c01a893126cd96216996374d7d94