Nov 10 06:32:35.269 INFO checking fast_io-1.2.2 against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 10 06:32:35.271 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-1/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 10 06:32:35.652 INFO blam! 1f527f1fe432a73578b8daf84de9601cb775453b32f9bed5b1a1868f6e6220ad
Nov 10 06:32:35.659 INFO running `"docker" "start" "-a" "1f527f1fe432a73578b8daf84de9601cb775453b32f9bed5b1a1868f6e6220ad"`
Nov 10 06:32:36.643 INFO kablam! usermod: no changes
Nov 10 06:32:36.679 INFO kablam!     Checking fast_io v1.2.2 (/source)
Nov 10 06:32:37.416 INFO kablam! warning: variable does not need to be mutable
Nov 10 06:32:37.416 INFO kablam!   --> src/copy_io.rs:17:13
Nov 10 06:32:37.416 INFO kablam!    |
Nov 10 06:32:37.416 INFO kablam! 17 |         let mut buffer = unsafe {
Nov 10 06:32:37.416 INFO kablam!    |             ----^^^^^^
Nov 10 06:32:37.416 INFO kablam!    |             |
Nov 10 06:32:37.416 INFO kablam!    |             help: remove this `mut`
Nov 10 06:32:37.416 INFO kablam!    |
Nov 10 06:32:37.416 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 10 06:32:37.416 INFO kablam! 
Nov 10 06:32:37.423 INFO kablam! warning: variable does not need to be mutable
Nov 10 06:32:37.423 INFO kablam!   --> src/copy_io.rs:38:17
Nov 10 06:32:37.423 INFO kablam!    |
Nov 10 06:32:37.423 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Nov 10 06:32:37.423 INFO kablam!    |                 ----^^^^^^
Nov 10 06:32:37.423 INFO kablam!    |                 |
Nov 10 06:32:37.423 INFO kablam!    |                 help: remove this `mut`
Nov 10 06:32:37.423 INFO kablam! 
Nov 10 06:32:37.551 INFO kablam! warning: variable does not need to be mutable
Nov 10 06:32:37.551 INFO kablam!   --> src/copy_io.rs:17:13
Nov 10 06:32:37.551 INFO kablam!    |
Nov 10 06:32:37.551 INFO kablam! 17 |         let mut buffer = unsafe {
Nov 10 06:32:37.551 INFO kablam!    |             ----^^^^^^
Nov 10 06:32:37.551 INFO kablam!    |             |
Nov 10 06:32:37.551 INFO kablam!    |             help: remove this `mut`
Nov 10 06:32:37.551 INFO kablam!    |
Nov 10 06:32:37.551 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 10 06:32:37.551 INFO kablam! 
Nov 10 06:32:37.555 INFO kablam! warning: variable does not need to be mutable
Nov 10 06:32:37.555 INFO kablam!   --> src/copy_io.rs:38:17
Nov 10 06:32:37.555 INFO kablam!    |
Nov 10 06:32:37.555 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Nov 10 06:32:37.555 INFO kablam!    |                 ----^^^^^^
Nov 10 06:32:37.555 INFO kablam!    |                 |
Nov 10 06:32:37.555 INFO kablam!    |                 help: remove this `mut`
Nov 10 06:32:37.555 INFO kablam! 
Nov 10 06:32:37.627 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Nov 10 06:32:37.630 INFO kablam! su: No module specific data is present
Nov 10 06:32:38.439 INFO running `"docker" "rm" "-f" "1f527f1fe432a73578b8daf84de9601cb775453b32f9bed5b1a1868f6e6220ad"`
Nov 10 06:32:38.714 INFO blam! 1f527f1fe432a73578b8daf84de9601cb775453b32f9bed5b1a1868f6e6220ad