Sep 20 02:01:07.646 INFO checking fast_io-1.2.2 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 20 02:01:07.646 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 20 02:01:07.646 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-0/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 02:01:07.866 INFO blam! b0f3da63a0b378544aa42fd6bc1c2082fec0cb26188ff0dff521bd643fa1c9e7
Sep 20 02:01:07.867 INFO running `"docker" "start" "-a" "b0f3da63a0b378544aa42fd6bc1c2082fec0cb26188ff0dff521bd643fa1c9e7"`
Sep 20 02:01:08.653 INFO kablam! usermod: no changes
Sep 20 02:01:08.674 INFO kablam!     Checking fast_io v1.2.2 (/source)
Sep 20 02:01:08.912 INFO kablam! warning: variable does not need to be mutable
Sep 20 02:01:08.913 INFO kablam!   --> src/copy_io.rs:17:13
Sep 20 02:01:08.913 INFO kablam!    |
Sep 20 02:01:08.913 INFO kablam! 17 |         let mut buffer = unsafe {
Sep 20 02:01:08.913 INFO kablam!    |             ----^^^^^^
Sep 20 02:01:08.913 INFO kablam!    |             |
Sep 20 02:01:08.913 INFO kablam!    |             help: remove this `mut`
Sep 20 02:01:08.913 INFO kablam!    |
Sep 20 02:01:08.913 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 02:01:08.913 INFO kablam! 
Sep 20 02:01:08.931 INFO kablam! warning: variable does not need to be mutable
Sep 20 02:01:08.931 INFO kablam!   --> src/copy_io.rs:38:17
Sep 20 02:01:08.931 INFO kablam!    |
Sep 20 02:01:08.931 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Sep 20 02:01:08.931 INFO kablam!    |                 ----^^^^^^
Sep 20 02:01:08.932 INFO kablam!    |                 |
Sep 20 02:01:08.932 INFO kablam!    |                 help: remove this `mut`
Sep 20 02:01:08.932 INFO kablam! 
Sep 20 02:01:09.144 INFO kablam! warning: variable does not need to be mutable
Sep 20 02:01:09.144 INFO kablam!   --> src/copy_io.rs:17:13
Sep 20 02:01:09.144 INFO kablam!    |
Sep 20 02:01:09.144 INFO kablam! 17 |         let mut buffer = unsafe {
Sep 20 02:01:09.144 INFO kablam!    |             ----^^^^^^
Sep 20 02:01:09.144 INFO kablam!    |             |
Sep 20 02:01:09.144 INFO kablam!    |             help: remove this `mut`
Sep 20 02:01:09.144 INFO kablam!    |
Sep 20 02:01:09.144 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 02:01:09.144 INFO kablam! 
Sep 20 02:01:09.146 INFO kablam! warning: variable does not need to be mutable
Sep 20 02:01:09.146 INFO kablam!   --> src/copy_io.rs:38:17
Sep 20 02:01:09.146 INFO kablam!    |
Sep 20 02:01:09.146 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Sep 20 02:01:09.146 INFO kablam!    |                 ----^^^^^^
Sep 20 02:01:09.147 INFO kablam!    |                 |
Sep 20 02:01:09.147 INFO kablam!    |                 help: remove this `mut`
Sep 20 02:01:09.147 INFO kablam! 
Sep 20 02:01:09.187 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Sep 20 02:01:09.190 INFO kablam! su: No module specific data is present
Sep 20 02:01:09.704 INFO running `"docker" "rm" "-f" "b0f3da63a0b378544aa42fd6bc1c2082fec0cb26188ff0dff521bd643fa1c9e7"`
Sep 20 02:01:09.775 INFO blam! b0f3da63a0b378544aa42fd6bc1c2082fec0cb26188ff0dff521bd643fa1c9e7