Nov 05 00:10:08.558 INFO checking fast_io-1.2.2 against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 05 00:10:08.560 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-3/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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"`
Nov 05 00:10:08.920 INFO blam! b9272f4e6cf430e96dab85610861aeefdad596c42fc2cd9c8af51b38391d94aa
Nov 05 00:10:08.923 INFO running `"docker" "start" "-a" "b9272f4e6cf430e96dab85610861aeefdad596c42fc2cd9c8af51b38391d94aa"`
Nov 05 00:10:10.035 INFO kablam! usermod: no changes
Nov 05 00:10:10.115 INFO kablam!     Checking fast_io v1.2.2 (/source)
Nov 05 00:10:10.847 INFO kablam! warning: variable does not need to be mutable
Nov 05 00:10:10.847 INFO kablam!   --> src/copy_io.rs:17:13
Nov 05 00:10:10.847 INFO kablam!    |
Nov 05 00:10:10.847 INFO kablam! 17 |         let mut buffer = unsafe {
Nov 05 00:10:10.847 INFO kablam!    |             ----^^^^^^
Nov 05 00:10:10.847 INFO kablam!    |             |
Nov 05 00:10:10.847 INFO kablam!    |             help: remove this `mut`
Nov 05 00:10:10.847 INFO kablam!    |
Nov 05 00:10:10.847 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 05 00:10:10.847 INFO kablam! 
Nov 05 00:10:10.847 INFO kablam! warning: variable does not need to be mutable
Nov 05 00:10:10.847 INFO kablam!   --> src/copy_io.rs:38:17
Nov 05 00:10:10.847 INFO kablam!    |
Nov 05 00:10:10.847 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Nov 05 00:10:10.847 INFO kablam!    |                 ----^^^^^^
Nov 05 00:10:10.847 INFO kablam!    |                 |
Nov 05 00:10:10.847 INFO kablam!    |                 help: remove this `mut`
Nov 05 00:10:10.847 INFO kablam! 
Nov 05 00:10:11.459 INFO kablam! warning: variable does not need to be mutable
Nov 05 00:10:11.459 INFO kablam!   --> src/copy_io.rs:17:13
Nov 05 00:10:11.459 INFO kablam!    |
Nov 05 00:10:11.459 INFO kablam! 17 |         let mut buffer = unsafe {
Nov 05 00:10:11.459 INFO kablam!    |             ----^^^^^^
Nov 05 00:10:11.459 INFO kablam!    |             |
Nov 05 00:10:11.459 INFO kablam!    |             help: remove this `mut`
Nov 05 00:10:11.459 INFO kablam!    |
Nov 05 00:10:11.459 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 05 00:10:11.459 INFO kablam! 
Nov 05 00:10:11.463 INFO kablam! warning: variable does not need to be mutable
Nov 05 00:10:11.463 INFO kablam!   --> src/copy_io.rs:38:17
Nov 05 00:10:11.463 INFO kablam!    |
Nov 05 00:10:11.463 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Nov 05 00:10:11.463 INFO kablam!    |                 ----^^^^^^
Nov 05 00:10:11.463 INFO kablam!    |                 |
Nov 05 00:10:11.463 INFO kablam!    |                 help: remove this `mut`
Nov 05 00:10:11.463 INFO kablam! 
Nov 05 00:10:11.515 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
Nov 05 00:10:11.515 INFO kablam! su: No module specific data is present
Nov 05 00:10:12.088 INFO running `"docker" "rm" "-f" "b9272f4e6cf430e96dab85610861aeefdad596c42fc2cd9c8af51b38391d94aa"`
Nov 05 00:10:12.455 INFO blam! b9272f4e6cf430e96dab85610861aeefdad596c42fc2cd9c8af51b38391d94aa