Dec 03 04:52:16.608 INFO testing indexed-line-reader-0.2.0 against 1.30.1 for beta-1.31-5
Dec 03 04:52:16.608 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 04:52:16.991 INFO [stdout] 1422b6ad7d25072d6a680ceeb46c3a19b22f4ade632fb5c922e074ad1ce609c3
Dec 03 04:52:16.991 INFO running `"docker" "start" "-a" "1422b6ad7d25072d6a680ceeb46c3a19b22f4ade632fb5c922e074ad1ce609c3"`
Dec 03 04:52:17.897 INFO [stderr] usermod: no changes
Dec 03 04:52:17.959 INFO [stderr]    Compiling indexed-line-reader v0.2.0 (/source)
Dec 03 04:52:18.599 INFO [stderr] warning: variable does not need to be mutable
Dec 03 04:52:18.599 INFO [stderr]   --> src/lib.rs:89:50
Dec 03 04:52:18.599 INFO [stderr]    |
Dec 03 04:52:18.599 INFO [stderr] 89 |     pub fn compute<T: BufRead + Seek>(&mut self, mut reader: &mut T) -> Result<u64, Error> {
Dec 03 04:52:18.599 INFO [stderr]    |                                                  ----^^^^^^
Dec 03 04:52:18.599 INFO [stderr]    |                                                  |
Dec 03 04:52:18.599 INFO [stderr]    |                                                  help: remove this `mut`
Dec 03 04:52:18.599 INFO [stderr]    |
Dec 03 04:52:18.599 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 03 04:52:18.599 INFO [stderr] 
Dec 03 04:52:19.001 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 03 04:52:19.001 INFO [stderr] su: No module specific data is present
Dec 03 04:52:19.608 INFO running `"docker" "inspect" "1422b6ad7d25072d6a680ceeb46c3a19b22f4ade632fb5c922e074ad1ce609c3"`
Dec 03 04:52:19.822 INFO running `"docker" "rm" "-f" "1422b6ad7d25072d6a680ceeb46c3a19b22f4ade632fb5c922e074ad1ce609c3"`
Dec 03 04:52:20.059 INFO [stdout] 1422b6ad7d25072d6a680ceeb46c3a19b22f4ade632fb5c922e074ad1ce609c3
Dec 03 04:52:20.065 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 04:52:20.405 INFO [stdout] 71908b7dc86eeddc6b6e2d9f1c6abee7fba72acab9a7c9aba452c650baff47d3
Dec 03 04:52:20.407 INFO running `"docker" "start" "-a" "71908b7dc86eeddc6b6e2d9f1c6abee7fba72acab9a7c9aba452c650baff47d3"`
Dec 03 04:52:21.140 INFO [stderr] usermod: no changes
Dec 03 04:52:21.165 INFO [stderr]    Compiling indexed-line-reader v0.2.0 (/source)
Dec 03 04:52:21.959 INFO [stderr] warning: variable does not need to be mutable
Dec 03 04:52:21.959 INFO [stderr]   --> src/lib.rs:89:50
Dec 03 04:52:21.959 INFO [stderr]    |
Dec 03 04:52:21.959 INFO [stderr] 89 |     pub fn compute<T: BufRead + Seek>(&mut self, mut reader: &mut T) -> Result<u64, Error> {
Dec 03 04:52:21.959 INFO [stderr]    |                                                  ----^^^^^^
Dec 03 04:52:21.959 INFO [stderr]    |                                                  |
Dec 03 04:52:21.959 INFO [stderr]    |                                                  help: remove this `mut`
Dec 03 04:52:21.959 INFO [stderr]    |
Dec 03 04:52:21.959 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 03 04:52:21.959 INFO [stderr] 
Dec 03 04:52:21.971 INFO [stderr] warning: variable does not need to be mutable
Dec 03 04:52:21.972 INFO [stderr]    --> src/lib.rs:296:13
Dec 03 04:52:21.972 INFO [stderr]     |
Dec 03 04:52:21.972 INFO [stderr] 296 |         let mut line_reader = &mut IndexedLineReader::new(BufReader::new(file_reader), 100);
Dec 03 04:52:21.972 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 03 04:52:21.972 INFO [stderr]     |             |
Dec 03 04:52:21.972 INFO [stderr]     |             help: remove this `mut`
Dec 03 04:52:21.972 INFO [stderr] 
Dec 03 04:52:22.771 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Dec 03 04:52:22.771 INFO [stderr] su: No module specific data is present
Dec 03 04:52:23.069 INFO running `"docker" "inspect" "71908b7dc86eeddc6b6e2d9f1c6abee7fba72acab9a7c9aba452c650baff47d3"`
Dec 03 04:52:23.147 INFO running `"docker" "rm" "-f" "71908b7dc86eeddc6b6e2d9f1c6abee7fba72acab9a7c9aba452c650baff47d3"`
Dec 03 04:52:23.286 INFO [stdout] 71908b7dc86eeddc6b6e2d9f1c6abee7fba72acab9a7c9aba452c650baff47d3
