Oct 12 17:08:02.891 INFO checking mpdrescher/latex-preprocessor against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:08:02.893 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 17:08:03.336 INFO blam! 8bf6b730d745463147d57743527f9472b85014317cbb89fa237b8c9ead918983
Oct 12 17:08:03.342 INFO running `"docker" "start" "-a" "8bf6b730d745463147d57743527f9472b85014317cbb89fa237b8c9ead918983"`
Oct 12 17:08:04.956 INFO kablam! usermod: no changes
Oct 12 17:08:04.992 INFO kablam!     Checking latex-preprocessor v0.1.0 (/source)
Oct 12 17:08:05.512 INFO kablam! warning: unnecessary parentheses around method argument
Oct 12 17:08:05.512 INFO kablam!    --> src/main.rs:181:44
Oct 12 17:08:05.512 INFO kablam!     |
Oct 12 17:08:05.512 INFO kablam! 181 |       string.into_iter().fold(String::new(), (|mut acc, x| {
Oct 12 17:08:05.512 INFO kablam!     |  ____________________________________________^
Oct 12 17:08:05.512 INFO kablam! 182 | |         acc.push_str(prefix);
Oct 12 17:08:05.512 INFO kablam! 183 | |         acc.push_str(&x);
Oct 12 17:08:05.512 INFO kablam! 184 | |         acc.push_str(suffix); 
Oct 12 17:08:05.512 INFO kablam! 185 | |         acc
Oct 12 17:08:05.512 INFO kablam! 186 | |     }))
Oct 12 17:08:05.512 INFO kablam!     | |______^
Oct 12 17:08:05.512 INFO kablam!     |
Oct 12 17:08:05.512 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 12 17:08:05.512 INFO kablam! help: remove these parentheses
Oct 12 17:08:05.512 INFO kablam!     |
Oct 12 17:08:05.512 INFO kablam! 181 |     string.into_iter().fold(String::new(), |mut acc, x|
Oct 12 17:08:05.512 INFO kablam! 182 |      { acc.push_str(prefix); acc.push_str(&x); acc.push_str(suffix); acc })
Oct 12 17:08:05.512 INFO kablam!     |
Oct 12 17:08:05.512 INFO kablam! 
Oct 12 17:08:05.652 INFO kablam! warning: unnecessary parentheses around method argument
Oct 12 17:08:05.652 INFO kablam!    --> src/main.rs:181:44
Oct 12 17:08:05.652 INFO kablam!     |
Oct 12 17:08:05.652 INFO kablam! 181 |       string.into_iter().fold(String::new(), (|mut acc, x| {
Oct 12 17:08:05.652 INFO kablam!     |  ____________________________________________^
Oct 12 17:08:05.652 INFO kablam! 182 | |         acc.push_str(prefix);
Oct 12 17:08:05.652 INFO kablam! 183 | |         acc.push_str(&x);
Oct 12 17:08:05.652 INFO kablam! 184 | |         acc.push_str(suffix); 
Oct 12 17:08:05.652 INFO kablam! 185 | |         acc
Oct 12 17:08:05.652 INFO kablam! 186 | |     }))
Oct 12 17:08:05.652 INFO kablam!     | |______^
Oct 12 17:08:05.652 INFO kablam!     |
Oct 12 17:08:05.652 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 12 17:08:05.652 INFO kablam! help: remove these parentheses
Oct 12 17:08:05.652 INFO kablam!     |
Oct 12 17:08:05.652 INFO kablam! 181 |     string.into_iter().fold(String::new(), |mut acc, x|
Oct 12 17:08:05.652 INFO kablam! 182 |      { acc.push_str(prefix); acc.push_str(&x); acc.push_str(suffix); acc })
Oct 12 17:08:05.652 INFO kablam!     |
Oct 12 17:08:05.652 INFO kablam! 
Oct 12 17:08:05.918 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Oct 12 17:08:05.920 INFO kablam! su: No module specific data is present
Oct 12 17:08:07.271 INFO running `"docker" "rm" "-f" "8bf6b730d745463147d57743527f9472b85014317cbb89fa237b8c9ead918983"`
Oct 12 17:08:07.520 INFO blam! 8bf6b730d745463147d57743527f9472b85014317cbb89fa237b8c9ead918983