Sep 21 08:30:00.592 INFO checking indexed-line-reader-0.2.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 08:30:00.592 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 08:30:00.593 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-5/master#f7f4c500b46603386e940f116b469c7adc043a6d:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 08:30:00.873 INFO blam! 74eb28b590325891d364adf7b91d6222636b60fdd23530448dd224fe6999ce20
Sep 21 08:30:00.875 INFO running `"docker" "start" "-a" "74eb28b590325891d364adf7b91d6222636b60fdd23530448dd224fe6999ce20"`
Sep 21 08:30:01.898 INFO kablam! usermod: no changes
Sep 21 08:30:01.954 INFO kablam!     Checking indexed-line-reader v0.2.0 (/source)
Sep 21 08:30:02.350 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:30:02.350 INFO kablam!   --> src/lib.rs:89:50
Sep 21 08:30:02.350 INFO kablam!    |
Sep 21 08:30:02.350 INFO kablam! 89 |     pub fn compute<T: BufRead + Seek>(&mut self, mut reader: &mut T) -> Result<u64, Error> {
Sep 21 08:30:02.350 INFO kablam!    |                                                  ----^^^^^^
Sep 21 08:30:02.350 INFO kablam!    |                                                  |
Sep 21 08:30:02.350 INFO kablam!    |                                                  help: remove this `mut`
Sep 21 08:30:02.350 INFO kablam!    |
Sep 21 08:30:02.350 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 08:30:02.350 INFO kablam! 
Sep 21 08:30:02.416 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:30:02.416 INFO kablam!   --> src/lib.rs:89:50
Sep 21 08:30:02.416 INFO kablam!    |
Sep 21 08:30:02.416 INFO kablam! 89 |     pub fn compute<T: BufRead + Seek>(&mut self, mut reader: &mut T) -> Result<u64, Error> {
Sep 21 08:30:02.416 INFO kablam!    |                                                  ----^^^^^^
Sep 21 08:30:02.416 INFO kablam!    |                                                  |
Sep 21 08:30:02.416 INFO kablam!    |                                                  help: remove this `mut`
Sep 21 08:30:02.416 INFO kablam!    |
Sep 21 08:30:02.416 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 08:30:02.416 INFO kablam! 
Sep 21 08:30:02.430 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:30:02.430 INFO kablam!    --> src/lib.rs:296:13
Sep 21 08:30:02.430 INFO kablam!     |
Sep 21 08:30:02.430 INFO kablam! 296 |         let mut line_reader = &mut IndexedLineReader::new(BufReader::new(file_reader), 100);
Sep 21 08:30:02.430 INFO kablam!     |             ----^^^^^^^^^^^
Sep 21 08:30:02.430 INFO kablam!     |             |
Sep 21 08:30:02.430 INFO kablam!     |             help: remove this `mut`
Sep 21 08:30:02.430 INFO kablam! 
Sep 21 08:30:02.446 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Sep 21 08:30:02.448 INFO kablam! su: No module specific data is present
Sep 21 08:30:03.095 INFO running `"docker" "rm" "-f" "74eb28b590325891d364adf7b91d6222636b60fdd23530448dd224fe6999ce20"`
Sep 21 08:30:03.180 INFO blam! 74eb28b590325891d364adf7b91d6222636b60fdd23530448dd224fe6999ce20