Sep 19 23:49:19.128 INFO checking indexed-line-reader-0.2.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 23:49:19.128 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 23:49:19.128 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-4/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:49:19.551 INFO blam! 2e30800e9d8d832c76f5b5d460a6ef38121f12b6caa08092adcbc8499194bb6a
Sep 19 23:49:19.555 INFO running `"docker" "start" "-a" "2e30800e9d8d832c76f5b5d460a6ef38121f12b6caa08092adcbc8499194bb6a"`
Sep 19 23:49:20.691 INFO kablam! usermod: no changes
Sep 19 23:49:20.731 INFO kablam!     Checking indexed-line-reader v0.2.0 (/source)
Sep 19 23:49:21.274 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:49:21.274 INFO kablam!   --> src/lib.rs:89:50
Sep 19 23:49:21.274 INFO kablam!    |
Sep 19 23:49:21.274 INFO kablam! 89 |     pub fn compute<T: BufRead + Seek>(&mut self, mut reader: &mut T) -> Result<u64, Error> {
Sep 19 23:49:21.274 INFO kablam!    |                                                  ----^^^^^^
Sep 19 23:49:21.274 INFO kablam!    |                                                  |
Sep 19 23:49:21.274 INFO kablam!    |                                                  help: remove this `mut`
Sep 19 23:49:21.274 INFO kablam!    |
Sep 19 23:49:21.274 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 23:49:21.274 INFO kablam! 
Sep 19 23:49:21.291 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:49:21.291 INFO kablam!    --> src/lib.rs:296:13
Sep 19 23:49:21.291 INFO kablam!     |
Sep 19 23:49:21.291 INFO kablam! 296 |         let mut line_reader = &mut IndexedLineReader::new(BufReader::new(file_reader), 100);
Sep 19 23:49:21.291 INFO kablam!     |             ----^^^^^^^^^^^
Sep 19 23:49:21.291 INFO kablam!     |             |
Sep 19 23:49:21.291 INFO kablam!     |             help: remove this `mut`
Sep 19 23:49:21.291 INFO kablam! 
Sep 19 23:49:21.395 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:49:21.395 INFO kablam!   --> src/lib.rs:89:50
Sep 19 23:49:21.395 INFO kablam!    |
Sep 19 23:49:21.395 INFO kablam! 89 |     pub fn compute<T: BufRead + Seek>(&mut self, mut reader: &mut T) -> Result<u64, Error> {
Sep 19 23:49:21.395 INFO kablam!    |                                                  ----^^^^^^
Sep 19 23:49:21.395 INFO kablam!    |                                                  |
Sep 19 23:49:21.395 INFO kablam!    |                                                  help: remove this `mut`
Sep 19 23:49:21.395 INFO kablam!    |
Sep 19 23:49:21.395 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 23:49:21.395 INFO kablam! 
Sep 19 23:49:21.471 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Sep 19 23:49:21.471 INFO kablam! su: No module specific data is present
Sep 19 23:49:22.247 INFO running `"docker" "rm" "-f" "2e30800e9d8d832c76f5b5d460a6ef38121f12b6caa08092adcbc8499194bb6a"`
Sep 19 23:49:22.497 INFO blam! 2e30800e9d8d832c76f5b5d460a6ef38121f12b6caa08092adcbc8499194bb6a