Nov 04 10:11:21.964 INFO checking aschampion/test_image_jpeg against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 10:11:21.964 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 04 10:11:22.299 INFO blam! b9432845c839d57b601f25cdf01dfc0e4b8c5e74f1290e4480a99bd1fda89434
Nov 04 10:11:22.301 INFO running `"docker" "start" "-a" "b9432845c839d57b601f25cdf01dfc0e4b8c5e74f1290e4480a99bd1fda89434"`
Nov 04 10:11:22.769 INFO kablam! usermod: no changes
Nov 04 10:11:22.878 INFO kablam!     Checking rayon-core v1.4.0
Nov 04 10:11:24.292 INFO kablam!     Checking rayon v1.0.0
Nov 04 10:11:28.436 INFO kablam!     Checking jpeg-decoder v0.1.14
Nov 04 10:11:30.251 INFO kablam!     Checking image v0.18.0
Nov 04 10:11:35.705 INFO kablam!     Checking test_image_jpeg v0.1.0 (/source)
Nov 04 10:11:38.495 INFO kablam! warning: variable does not need to be mutable
Nov 04 10:11:38.495 INFO kablam!   --> src/main.rs:24:13
Nov 04 10:11:38.495 INFO kablam!    |
Nov 04 10:11:38.495 INFO kablam! 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Nov 04 10:11:38.495 INFO kablam!    |             ----^^^^^^^
Nov 04 10:11:38.495 INFO kablam!    |             |
Nov 04 10:11:38.495 INFO kablam!    |             help: remove this `mut`
Nov 04 10:11:38.495 INFO kablam!    |
Nov 04 10:11:38.495 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 10:11:38.495 INFO kablam! 
Nov 04 10:11:38.675 INFO kablam! warning: variable does not need to be mutable
Nov 04 10:11:38.675 INFO kablam!   --> src/main.rs:24:13
Nov 04 10:11:38.675 INFO kablam!    |
Nov 04 10:11:38.675 INFO kablam! 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Nov 04 10:11:38.675 INFO kablam!    |             ----^^^^^^^
Nov 04 10:11:38.675 INFO kablam!    |             |
Nov 04 10:11:38.675 INFO kablam!    |             help: remove this `mut`
Nov 04 10:11:38.675 INFO kablam!    |
Nov 04 10:11:38.675 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 10:11:38.675 INFO kablam! 
Nov 04 10:11:38.699 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.90s
Nov 04 10:11:38.711 INFO kablam! su: No module specific data is present
Nov 04 10:11:39.931 INFO running `"docker" "rm" "-f" "b9432845c839d57b601f25cdf01dfc0e4b8c5e74f1290e4480a99bd1fda89434"`
Nov 04 10:11:40.301 INFO blam! b9432845c839d57b601f25cdf01dfc0e4b8c5e74f1290e4480a99bd1fda89434