Dec 05 11:47:35.202 INFO checking indexed-line-reader-0.2.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 11:47:35.202 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 05 11:47:35.415 INFO [stdout] b6b82c8b994c1b9aaf5d6e877f80571d55e077b57757235086405ba17c7eabd2
Dec 05 11:47:35.420 INFO running `"docker" "start" "-a" "b6b82c8b994c1b9aaf5d6e877f80571d55e077b57757235086405ba17c7eabd2"`
Dec 05 11:47:36.282 INFO [stderr] usermod: no changes
Dec 05 11:47:36.318 INFO [stderr]     Checking indexed-line-reader v0.2.0 (/source)
Dec 05 11:47:37.203 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:47:37.203 INFO [stderr]   --> src/lib.rs:89:50
Dec 05 11:47:37.203 INFO [stderr]    |
Dec 05 11:47:37.203 INFO [stderr] 89 |     pub fn compute<T: BufRead + Seek>(&mut self, mut reader: &mut T) -> Result<u64, Error> {
Dec 05 11:47:37.203 INFO [stderr]    |                                                  ----^^^^^^
Dec 05 11:47:37.203 INFO [stderr]    |                                                  |
Dec 05 11:47:37.203 INFO [stderr]    |                                                  help: remove this `mut`
Dec 05 11:47:37.203 INFO [stderr]    |
Dec 05 11:47:37.203 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:47:37.203 INFO [stderr] 
Dec 05 11:47:37.303 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:47:37.303 INFO [stderr]   --> src/lib.rs:89:50
Dec 05 11:47:37.303 INFO [stderr]    |
Dec 05 11:47:37.303 INFO [stderr] 89 |     pub fn compute<T: BufRead + Seek>(&mut self, mut reader: &mut T) -> Result<u64, Error> {
Dec 05 11:47:37.303 INFO [stderr]    |                                                  ----^^^^^^
Dec 05 11:47:37.303 INFO [stderr]    |                                                  |
Dec 05 11:47:37.303 INFO [stderr]    |                                                  help: remove this `mut`
Dec 05 11:47:37.303 INFO [stderr]    |
Dec 05 11:47:37.303 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:47:37.303 INFO [stderr] 
Dec 05 11:47:37.316 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:47:37.316 INFO [stderr]    --> src/lib.rs:296:13
Dec 05 11:47:37.316 INFO [stderr]     |
Dec 05 11:47:37.316 INFO [stderr] 296 |         let mut line_reader = &mut IndexedLineReader::new(BufReader::new(file_reader), 100);
Dec 05 11:47:37.316 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 05 11:47:37.316 INFO [stderr]     |             |
Dec 05 11:47:37.316 INFO [stderr]     |             help: remove this `mut`
Dec 05 11:47:37.316 INFO [stderr] 
Dec 05 11:47:37.351 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Dec 05 11:47:37.353 INFO [stderr] su: No module specific data is present
Dec 05 11:47:37.928 INFO running `"docker" "inspect" "b6b82c8b994c1b9aaf5d6e877f80571d55e077b57757235086405ba17c7eabd2"`
Dec 05 11:47:38.164 INFO running `"docker" "rm" "-f" "b6b82c8b994c1b9aaf5d6e877f80571d55e077b57757235086405ba17c7eabd2"`
Dec 05 11:47:38.417 INFO [stdout] b6b82c8b994c1b9aaf5d6e877f80571d55e077b57757235086405ba17c7eabd2