Sep 10 19:16:28.803 INFO checking fast_io-1.2.2 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 19:16:28.803 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 19:16:28.803 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/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 19:16:28.952 INFO blam! 6da51aa9840d185e63c858beb396d72c02ce694ae665bd75c735f8a181bc45ea
Sep 10 19:16:28.954 INFO running `"docker" "start" "-a" "6da51aa9840d185e63c858beb396d72c02ce694ae665bd75c735f8a181bc45ea"`
Sep 10 19:16:29.935 INFO kablam! usermod: no changes
Sep 10 19:16:29.990 INFO kablam!     Checking fast_io v1.2.2 (file:///source)
Sep 10 19:16:30.314 INFO kablam! warning: variable does not need to be mutable
Sep 10 19:16:30.314 INFO kablam!   --> src/copy_io.rs:17:13
Sep 10 19:16:30.314 INFO kablam!    |
Sep 10 19:16:30.314 INFO kablam! 17 |         let mut buffer = unsafe {
Sep 10 19:16:30.314 INFO kablam!    |             ----^^^^^^
Sep 10 19:16:30.314 INFO kablam!    |             |
Sep 10 19:16:30.314 INFO kablam!    |             help: remove this `mut`
Sep 10 19:16:30.314 INFO kablam!    |
Sep 10 19:16:30.314 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 19:16:30.314 INFO kablam! 
Sep 10 19:16:30.318 INFO kablam! warning: variable does not need to be mutable
Sep 10 19:16:30.318 INFO kablam!   --> src/copy_io.rs:38:17
Sep 10 19:16:30.318 INFO kablam!    |
Sep 10 19:16:30.318 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Sep 10 19:16:30.318 INFO kablam!    |                 ----^^^^^^
Sep 10 19:16:30.318 INFO kablam!    |                 |
Sep 10 19:16:30.318 INFO kablam!    |                 help: remove this `mut`
Sep 10 19:16:30.318 INFO kablam! 
Sep 10 19:16:30.459 INFO kablam! warning: variable does not need to be mutable
Sep 10 19:16:30.459 INFO kablam!   --> src/copy_io.rs:17:13
Sep 10 19:16:30.459 INFO kablam!    |
Sep 10 19:16:30.459 INFO kablam! 17 |         let mut buffer = unsafe {
Sep 10 19:16:30.459 INFO kablam!    |             ----^^^^^^
Sep 10 19:16:30.459 INFO kablam!    |             |
Sep 10 19:16:30.459 INFO kablam!    |             help: remove this `mut`
Sep 10 19:16:30.459 INFO kablam!    |
Sep 10 19:16:30.459 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 19:16:30.459 INFO kablam! 
Sep 10 19:16:30.461 INFO kablam! warning: variable does not need to be mutable
Sep 10 19:16:30.461 INFO kablam!   --> src/copy_io.rs:38:17
Sep 10 19:16:30.461 INFO kablam!    |
Sep 10 19:16:30.461 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Sep 10 19:16:30.461 INFO kablam!    |                 ----^^^^^^
Sep 10 19:16:30.461 INFO kablam!    |                 |
Sep 10 19:16:30.461 INFO kablam!    |                 help: remove this `mut`
Sep 10 19:16:30.461 INFO kablam! 
Sep 10 19:16:30.491 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Sep 10 19:16:30.492 INFO kablam! su: No module specific data is present
Sep 10 19:16:31.101 INFO running `"docker" "rm" "-f" "6da51aa9840d185e63c858beb396d72c02ce694ae665bd75c735f8a181bc45ea"`
Sep 10 19:16:31.176 INFO blam! 6da51aa9840d185e63c858beb396d72c02ce694ae665bd75c735f8a181bc45ea