Nov 28 23:29:09.846 INFO checking indexed-line-reader-0.2.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 23:29:09.848 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 23:29:10.213 INFO [stdout] 15f1982361519fef4fcb9f1fd329e5c29b5034115c9364f85715ccbd64073fa6
Nov 28 23:29:10.219 INFO running `"docker" "start" "-a" "15f1982361519fef4fcb9f1fd329e5c29b5034115c9364f85715ccbd64073fa6"`
Nov 28 23:29:10.928 INFO [stderr] usermod: no changes
Nov 28 23:29:10.968 INFO [stderr]     Checking indexed-line-reader v0.2.0 (/source)
Nov 28 23:29:12.020 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:29:12.020 INFO [stderr]   --> src/lib.rs:89:50
Nov 28 23:29:12.020 INFO [stderr]    |
Nov 28 23:29:12.020 INFO [stderr] 89 |     pub fn compute<T: BufRead + Seek>(&mut self, mut reader: &mut T) -> Result<u64, Error> {
Nov 28 23:29:12.020 INFO [stderr]    |                                                  ----^^^^^^
Nov 28 23:29:12.020 INFO [stderr]    |                                                  |
Nov 28 23:29:12.020 INFO [stderr]    |                                                  help: remove this `mut`
Nov 28 23:29:12.020 INFO [stderr]    |
Nov 28 23:29:12.020 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 23:29:12.020 INFO [stderr] 
Nov 28 23:29:12.068 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:29:12.068 INFO [stderr]   --> src/lib.rs:89:50
Nov 28 23:29:12.068 INFO [stderr]    |
Nov 28 23:29:12.068 INFO [stderr] 89 |     pub fn compute<T: BufRead + Seek>(&mut self, mut reader: &mut T) -> Result<u64, Error> {
Nov 28 23:29:12.069 INFO [stderr]    |                                                  ----^^^^^^
Nov 28 23:29:12.069 INFO [stderr]    |                                                  |
Nov 28 23:29:12.069 INFO [stderr]    |                                                  help: remove this `mut`
Nov 28 23:29:12.070 INFO [stderr]    |
Nov 28 23:29:12.070 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 23:29:12.071 INFO [stderr] 
Nov 28 23:29:12.136 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:29:12.137 INFO [stderr]    --> src/lib.rs:296:13
Nov 28 23:29:12.138 INFO [stderr]     |
Nov 28 23:29:12.138 INFO [stderr] 296 |         let mut line_reader = &mut IndexedLineReader::new(BufReader::new(file_reader), 100);
Nov 28 23:29:12.139 INFO [stderr]     |             ----^^^^^^^^^^^
Nov 28 23:29:12.139 INFO [stderr]     |             |
Nov 28 23:29:12.139 INFO [stderr]     |             help: remove this `mut`
Nov 28 23:29:12.140 INFO [stderr] 
Nov 28 23:29:12.161 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Nov 28 23:29:12.163 INFO [stderr] su: No module specific data is present
Nov 28 23:29:12.977 INFO running `"docker" "inspect" "15f1982361519fef4fcb9f1fd329e5c29b5034115c9364f85715ccbd64073fa6"`
Nov 28 23:29:13.208 INFO running `"docker" "rm" "-f" "15f1982361519fef4fcb9f1fd329e5c29b5034115c9364f85715ccbd64073fa6"`
Nov 28 23:29:13.412 INFO [stdout] 15f1982361519fef4fcb9f1fd329e5c29b5034115c9364f85715ccbd64073fa6