Nov 03 08:45:51.795 INFO checking fast_io-1.2.2 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 08:45:51.796 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-5/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 03 08:45:52.134 INFO blam! bc026e27157aebb31335ff38e9e0b23ec3e6a64c8fc1928d7c1ebbc62acfa9d5
Nov 03 08:45:52.141 INFO running `"docker" "start" "-a" "bc026e27157aebb31335ff38e9e0b23ec3e6a64c8fc1928d7c1ebbc62acfa9d5"`
Nov 03 08:45:53.128 INFO kablam! usermod: no changes
Nov 03 08:45:53.232 INFO kablam!     Checking fast_io v1.2.2 (/source)
Nov 03 08:45:54.000 INFO kablam! warning: variable does not need to be mutable
Nov 03 08:45:54.001 INFO kablam!   --> src/copy_io.rs:17:13
Nov 03 08:45:54.001 INFO kablam!    |
Nov 03 08:45:54.001 INFO kablam! 17 |         let mut buffer = unsafe {
Nov 03 08:45:54.002 INFO kablam!    |             ----^^^^^^
Nov 03 08:45:54.002 INFO kablam!    |             |
Nov 03 08:45:54.003 INFO kablam!    |             help: remove this `mut`
Nov 03 08:45:54.003 INFO kablam!    |
Nov 03 08:45:54.004 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 03 08:45:54.004 INFO kablam! 
Nov 03 08:45:54.004 INFO kablam! warning: variable does not need to be mutable
Nov 03 08:45:54.005 INFO kablam!   --> src/copy_io.rs:38:17
Nov 03 08:45:54.005 INFO kablam!    |
Nov 03 08:45:54.006 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Nov 03 08:45:54.006 INFO kablam!    |                 ----^^^^^^
Nov 03 08:45:54.007 INFO kablam!    |                 |
Nov 03 08:45:54.007 INFO kablam!    |                 help: remove this `mut`
Nov 03 08:45:54.007 INFO kablam! 
Nov 03 08:45:54.374 INFO kablam! warning: variable does not need to be mutable
Nov 03 08:45:54.375 INFO kablam!   --> src/copy_io.rs:17:13
Nov 03 08:45:54.376 INFO kablam!    |
Nov 03 08:45:54.376 INFO kablam! 17 |         let mut buffer = unsafe {
Nov 03 08:45:54.377 INFO kablam!    |             ----^^^^^^
Nov 03 08:45:54.377 INFO kablam!    |             |
Nov 03 08:45:54.378 INFO kablam!    |             help: remove this `mut`
Nov 03 08:45:54.378 INFO kablam!    |
Nov 03 08:45:54.378 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 03 08:45:54.378 INFO kablam! 
Nov 03 08:45:54.378 INFO kablam! warning: variable does not need to be mutable
Nov 03 08:45:54.378 INFO kablam!   --> src/copy_io.rs:38:17
Nov 03 08:45:54.378 INFO kablam!    |
Nov 03 08:45:54.378 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Nov 03 08:45:54.378 INFO kablam!    |                 ----^^^^^^
Nov 03 08:45:54.379 INFO kablam!    |                 |
Nov 03 08:45:54.379 INFO kablam!    |                 help: remove this `mut`
Nov 03 08:45:54.379 INFO kablam! 
Nov 03 08:45:54.449 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Nov 03 08:45:54.451 INFO kablam! su: No module specific data is present
Nov 03 08:45:55.620 INFO running `"docker" "rm" "-f" "bc026e27157aebb31335ff38e9e0b23ec3e6a64c8fc1928d7c1ebbc62acfa9d5"`
Nov 03 08:45:55.896 INFO blam! bc026e27157aebb31335ff38e9e0b23ec3e6a64c8fc1928d7c1ebbc62acfa9d5