Sep 06 07:15:04.020 INFO checking fast_io-1.2.2 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 07:15:04.020 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 07:15:04.020 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 07:15:04.209 INFO blam! 9706018a539a1b4a8bff2070bdb927caafd2ae3e210689a70239b2a9bdac3ae5
Sep 06 07:15:04.209 INFO running `"docker" "start" "-a" "9706018a539a1b4a8bff2070bdb927caafd2ae3e210689a70239b2a9bdac3ae5"`
Sep 06 07:15:05.147 INFO kablam! usermod: no changes
Sep 06 07:15:05.170 INFO kablam!     Checking fast_io v1.2.2 (file:///source)
Sep 06 07:15:05.408 INFO kablam! warning: variable does not need to be mutable
Sep 06 07:15:05.408 INFO kablam!   --> src/copy_io.rs:17:13
Sep 06 07:15:05.408 INFO kablam!    |
Sep 06 07:15:05.408 INFO kablam! 17 |         let mut buffer = unsafe {
Sep 06 07:15:05.408 INFO kablam!    |             ----^^^^^^
Sep 06 07:15:05.408 INFO kablam!    |             |
Sep 06 07:15:05.408 INFO kablam!    |             help: remove this `mut`
Sep 06 07:15:05.408 INFO kablam!    |
Sep 06 07:15:05.408 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 07:15:05.408 INFO kablam! 
Sep 06 07:15:05.410 INFO kablam! warning: variable does not need to be mutable
Sep 06 07:15:05.410 INFO kablam!   --> src/copy_io.rs:38:17
Sep 06 07:15:05.410 INFO kablam!    |
Sep 06 07:15:05.410 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Sep 06 07:15:05.410 INFO kablam!    |                 ----^^^^^^
Sep 06 07:15:05.410 INFO kablam!    |                 |
Sep 06 07:15:05.410 INFO kablam!    |                 help: remove this `mut`
Sep 06 07:15:05.410 INFO kablam! 
Sep 06 07:15:05.595 INFO kablam! warning: variable does not need to be mutable
Sep 06 07:15:05.595 INFO kablam!   --> src/copy_io.rs:17:13
Sep 06 07:15:05.595 INFO kablam!    |
Sep 06 07:15:05.595 INFO kablam! 17 |         let mut buffer = unsafe {
Sep 06 07:15:05.595 INFO kablam!    |             ----^^^^^^
Sep 06 07:15:05.595 INFO kablam!    |             |
Sep 06 07:15:05.595 INFO kablam!    |             help: remove this `mut`
Sep 06 07:15:05.595 INFO kablam!    |
Sep 06 07:15:05.595 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 07:15:05.595 INFO kablam! 
Sep 06 07:15:05.596 INFO kablam! warning: variable does not need to be mutable
Sep 06 07:15:05.596 INFO kablam!   --> src/copy_io.rs:38:17
Sep 06 07:15:05.596 INFO kablam!    |
Sep 06 07:15:05.596 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Sep 06 07:15:05.596 INFO kablam!    |                 ----^^^^^^
Sep 06 07:15:05.596 INFO kablam!    |                 |
Sep 06 07:15:05.596 INFO kablam!    |                 help: remove this `mut`
Sep 06 07:15:05.596 INFO kablam! 
Sep 06 07:15:05.615 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Sep 06 07:15:05.617 INFO kablam! su: No module specific data is present
Sep 06 07:15:05.990 INFO running `"docker" "rm" "-f" "9706018a539a1b4a8bff2070bdb927caafd2ae3e210689a70239b2a9bdac3ae5"`
Sep 06 07:15:06.059 INFO blam! 9706018a539a1b4a8bff2070bdb927caafd2ae3e210689a70239b2a9bdac3ae5