Nov 05 00:10:08.082 INFO checking fast_io-1.2.2 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 05 00:10:08.084 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-5/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 00:10:08.530 INFO blam! b8cf0dd6113ecb2a9062425c76395a136a623305ca4071771fd8937284353bad
Nov 05 00:10:08.535 INFO running `"docker" "start" "-a" "b8cf0dd6113ecb2a9062425c76395a136a623305ca4071771fd8937284353bad"`
Nov 05 00:10:09.675 INFO kablam! usermod: no changes
Nov 05 00:10:09.710 INFO kablam!     Checking fast_io v1.2.2 (/source)
Nov 05 00:10:10.399 INFO kablam! warning: variable does not need to be mutable
Nov 05 00:10:10.399 INFO kablam!   --> src/copy_io.rs:17:13
Nov 05 00:10:10.399 INFO kablam!    |
Nov 05 00:10:10.399 INFO kablam! 17 |         let mut buffer = unsafe {
Nov 05 00:10:10.399 INFO kablam!    |             ----^^^^^^
Nov 05 00:10:10.399 INFO kablam!    |             |
Nov 05 00:10:10.399 INFO kablam!    |             help: remove this `mut`
Nov 05 00:10:10.399 INFO kablam!    |
Nov 05 00:10:10.399 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 05 00:10:10.399 INFO kablam! 
Nov 05 00:10:10.399 INFO kablam! warning: variable does not need to be mutable
Nov 05 00:10:10.399 INFO kablam!   --> src/copy_io.rs:38:17
Nov 05 00:10:10.399 INFO kablam!    |
Nov 05 00:10:10.399 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Nov 05 00:10:10.399 INFO kablam!    |                 ----^^^^^^
Nov 05 00:10:10.399 INFO kablam!    |                 |
Nov 05 00:10:10.399 INFO kablam!    |                 help: remove this `mut`
Nov 05 00:10:10.399 INFO kablam! 
Nov 05 00:10:10.831 INFO kablam! warning: variable does not need to be mutable
Nov 05 00:10:10.831 INFO kablam!   --> src/copy_io.rs:17:13
Nov 05 00:10:10.831 INFO kablam!    |
Nov 05 00:10:10.831 INFO kablam! 17 |         let mut buffer = unsafe {
Nov 05 00:10:10.831 INFO kablam!    |             ----^^^^^^
Nov 05 00:10:10.831 INFO kablam!    |             |
Nov 05 00:10:10.831 INFO kablam!    |             help: remove this `mut`
Nov 05 00:10:10.831 INFO kablam!    |
Nov 05 00:10:10.831 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 05 00:10:10.831 INFO kablam! 
Nov 05 00:10:10.839 INFO kablam! warning: variable does not need to be mutable
Nov 05 00:10:10.839 INFO kablam!   --> src/copy_io.rs:38:17
Nov 05 00:10:10.839 INFO kablam!    |
Nov 05 00:10:10.839 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Nov 05 00:10:10.839 INFO kablam!    |                 ----^^^^^^
Nov 05 00:10:10.839 INFO kablam!    |                 |
Nov 05 00:10:10.839 INFO kablam!    |                 help: remove this `mut`
Nov 05 00:10:10.839 INFO kablam! 
Nov 05 00:10:10.875 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Nov 05 00:10:10.875 INFO kablam! su: No module specific data is present
Nov 05 00:10:11.598 INFO running `"docker" "rm" "-f" "b8cf0dd6113ecb2a9062425c76395a136a623305ca4071771fd8937284353bad"`
Nov 05 00:10:11.887 INFO blam! b8cf0dd6113ecb2a9062425c76395a136a623305ca4071771fd8937284353bad