Nov 07 01:14:28.934 INFO checking aschampion/test_image_jpeg against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 01:14:28.934 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-7/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 01:14:29.116 INFO blam! 8f76e876ba287522c70ca774160da30ed8ea0573c1ea98e07b0e65a1d429fcf2
Nov 07 01:14:29.118 INFO running `"docker" "start" "-a" "8f76e876ba287522c70ca774160da30ed8ea0573c1ea98e07b0e65a1d429fcf2"`
Nov 07 01:14:29.633 INFO kablam! usermod: no changes
Nov 07 01:14:29.780 INFO kablam!     Checking rayon v1.0.0
Nov 07 01:14:34.178 INFO kablam!     Checking jpeg-decoder v0.1.14
Nov 07 01:14:36.664 INFO kablam!     Checking image v0.18.0
Nov 07 01:14:42.509 INFO kablam!     Checking test_image_jpeg v0.1.0 (/source)
Nov 07 01:14:45.604 INFO kablam! warning: variable does not need to be mutable
Nov 07 01:14:45.604 INFO kablam!   --> src/main.rs:24:13
Nov 07 01:14:45.604 INFO kablam!    |
Nov 07 01:14:45.604 INFO kablam! 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Nov 07 01:14:45.604 INFO kablam!    |             ----^^^^^^^
Nov 07 01:14:45.604 INFO kablam!    |             |
Nov 07 01:14:45.604 INFO kablam!    |             help: remove this `mut`
Nov 07 01:14:45.604 INFO kablam!    |
Nov 07 01:14:45.604 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 01:14:45.604 INFO kablam! 
Nov 07 01:14:45.628 INFO kablam! warning: variable does not need to be mutable
Nov 07 01:14:45.628 INFO kablam!   --> src/main.rs:24:13
Nov 07 01:14:45.628 INFO kablam!    |
Nov 07 01:14:45.628 INFO kablam! 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Nov 07 01:14:45.628 INFO kablam!    |             ----^^^^^^^
Nov 07 01:14:45.628 INFO kablam!    |             |
Nov 07 01:14:45.628 INFO kablam!    |             help: remove this `mut`
Nov 07 01:14:45.628 INFO kablam!    |
Nov 07 01:14:45.628 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 01:14:45.628 INFO kablam! 
Nov 07 01:14:45.665 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.01s
Nov 07 01:14:45.678 INFO kablam! su: No module specific data is present
Nov 07 01:14:46.673 INFO running `"docker" "rm" "-f" "8f76e876ba287522c70ca774160da30ed8ea0573c1ea98e07b0e65a1d429fcf2"`
Nov 07 01:14:46.928 INFO blam! 8f76e876ba287522c70ca774160da30ed8ea0573c1ea98e07b0e65a1d429fcf2