Sep 10 19:05:04.328 INFO checking file_diff-1.0.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 19:05:04.328 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 19:05:04.329 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 19:05:04.499 INFO blam! b9ec952126824a267817e9c49662310796845097b19f2fb89d8bd9b2a64e13ef
Sep 10 19:05:04.500 INFO running `"docker" "start" "-a" "b9ec952126824a267817e9c49662310796845097b19f2fb89d8bd9b2a64e13ef"`
Sep 10 19:05:04.981 INFO kablam! usermod: no changes
Sep 10 19:05:05.000 INFO kablam!     Checking file_diff v1.0.0 (file:///source)
Sep 10 19:05:05.208 INFO kablam! warning: variable does not need to be mutable
Sep 10 19:05:05.208 INFO kablam!   --> src/lib.rs:49:9
Sep 10 19:05:05.208 INFO kablam!    |
Sep 10 19:05:05.208 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Sep 10 19:05:05.208 INFO kablam!    |         ----^^^^^
Sep 10 19:05:05.208 INFO kablam!    |         |
Sep 10 19:05:05.208 INFO kablam!    |         help: remove this `mut`
Sep 10 19:05:05.208 INFO kablam!    |
Sep 10 19:05:05.208 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 19:05:05.208 INFO kablam! 
Sep 10 19:05:05.208 INFO kablam! warning: variable does not need to be mutable
Sep 10 19:05:05.208 INFO kablam!   --> src/lib.rs:50:9
Sep 10 19:05:05.208 INFO kablam!    |
Sep 10 19:05:05.208 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Sep 10 19:05:05.208 INFO kablam!    |         ----^^^^^
Sep 10 19:05:05.208 INFO kablam!    |         |
Sep 10 19:05:05.208 INFO kablam!    |         help: remove this `mut`
Sep 10 19:05:05.208 INFO kablam! 
Sep 10 19:05:05.246 INFO kablam! warning: variable does not need to be mutable
Sep 10 19:05:05.246 INFO kablam!   --> src/lib.rs:49:9
Sep 10 19:05:05.246 INFO kablam!    |
Sep 10 19:05:05.246 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Sep 10 19:05:05.246 INFO kablam!    |         ----^^^^^
Sep 10 19:05:05.246 INFO kablam!    |         |
Sep 10 19:05:05.246 INFO kablam!    |         help: remove this `mut`
Sep 10 19:05:05.246 INFO kablam!    |
Sep 10 19:05:05.246 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 19:05:05.246 INFO kablam! 
Sep 10 19:05:05.246 INFO kablam! warning: variable does not need to be mutable
Sep 10 19:05:05.246 INFO kablam!   --> src/lib.rs:50:9
Sep 10 19:05:05.246 INFO kablam!    |
Sep 10 19:05:05.246 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Sep 10 19:05:05.246 INFO kablam!    |         ----^^^^^
Sep 10 19:05:05.246 INFO kablam!    |         |
Sep 10 19:05:05.246 INFO kablam!    |         help: remove this `mut`
Sep 10 19:05:05.246 INFO kablam! 
Sep 10 19:05:05.258 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Sep 10 19:05:05.259 INFO kablam! su: No module specific data is present
Sep 10 19:05:06.048 INFO running `"docker" "rm" "-f" "b9ec952126824a267817e9c49662310796845097b19f2fb89d8bd9b2a64e13ef"`
Sep 10 19:05:06.171 INFO blam! b9ec952126824a267817e9c49662310796845097b19f2fb89d8bd9b2a64e13ef