Oct 27 22:31:36.071 INFO checking fast_io-1.2.2 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 22:31:36.071 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +155510e377ae2a8d8ee0dad1a5f809c9062a5526-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 27 22:31:36.428 INFO blam! c1bd57d2642fc42e68ac4765a15531d8948ecafefe2d6171a92f8268563f289f
Oct 27 22:31:36.434 INFO running `"docker" "start" "-a" "c1bd57d2642fc42e68ac4765a15531d8948ecafefe2d6171a92f8268563f289f"`
Oct 27 22:31:37.723 INFO kablam! usermod: no changes
Oct 27 22:31:37.783 INFO kablam!     Checking fast_io v1.2.2 (/source)
Oct 27 22:31:38.858 INFO kablam! warning: variable does not need to be mutable
Oct 27 22:31:38.858 INFO kablam!   --> src/copy_io.rs:17:13
Oct 27 22:31:38.858 INFO kablam!    |
Oct 27 22:31:38.858 INFO kablam! 17 |         let mut buffer = unsafe {
Oct 27 22:31:38.858 INFO kablam!    |             ----^^^^^^
Oct 27 22:31:38.858 INFO kablam!    |             |
Oct 27 22:31:38.858 INFO kablam!    |             help: remove this `mut`
Oct 27 22:31:38.858 INFO kablam!    |
Oct 27 22:31:38.858 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 22:31:38.858 INFO kablam! 
Oct 27 22:31:38.867 INFO kablam! warning: variable does not need to be mutable
Oct 27 22:31:38.867 INFO kablam!   --> src/copy_io.rs:38:17
Oct 27 22:31:38.867 INFO kablam!    |
Oct 27 22:31:38.867 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Oct 27 22:31:38.867 INFO kablam!    |                 ----^^^^^^
Oct 27 22:31:38.867 INFO kablam!    |                 |
Oct 27 22:31:38.867 INFO kablam!    |                 help: remove this `mut`
Oct 27 22:31:38.867 INFO kablam! 
Oct 27 22:31:39.223 INFO kablam! warning: variable does not need to be mutable
Oct 27 22:31:39.223 INFO kablam!   --> src/copy_io.rs:17:13
Oct 27 22:31:39.223 INFO kablam!    |
Oct 27 22:31:39.223 INFO kablam! 17 |         let mut buffer = unsafe {
Oct 27 22:31:39.223 INFO kablam!    |             ----^^^^^^
Oct 27 22:31:39.223 INFO kablam!    |             |
Oct 27 22:31:39.223 INFO kablam!    |             help: remove this `mut`
Oct 27 22:31:39.223 INFO kablam!    |
Oct 27 22:31:39.223 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 22:31:39.223 INFO kablam! 
Oct 27 22:31:39.227 INFO kablam! warning: variable does not need to be mutable
Oct 27 22:31:39.227 INFO kablam!   --> src/copy_io.rs:38:17
Oct 27 22:31:39.227 INFO kablam!    |
Oct 27 22:31:39.227 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Oct 27 22:31:39.227 INFO kablam!    |                 ----^^^^^^
Oct 27 22:31:39.227 INFO kablam!    |                 |
Oct 27 22:31:39.227 INFO kablam!    |                 help: remove this `mut`
Oct 27 22:31:39.227 INFO kablam! 
Oct 27 22:31:39.291 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
Oct 27 22:31:39.304 INFO kablam! su: No module specific data is present
Oct 27 22:31:40.307 INFO running `"docker" "rm" "-f" "c1bd57d2642fc42e68ac4765a15531d8948ecafefe2d6171a92f8268563f289f"`
Oct 27 22:31:40.536 INFO blam! c1bd57d2642fc42e68ac4765a15531d8948ecafefe2d6171a92f8268563f289f