Nov 09 16:20:33.831 INFO checking aschampion/test_image_jpeg against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 16:20:33.831 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-3/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 09 16:20:34.052 INFO blam! 96749ce37b996c38b61a1e28526f7d99d7e4ce5bb76eea055d301d41a6d88804
Nov 09 16:20:34.054 INFO running `"docker" "start" "-a" "96749ce37b996c38b61a1e28526f7d99d7e4ce5bb76eea055d301d41a6d88804"`
Nov 09 16:20:34.362 INFO kablam! usermod: no changes
Nov 09 16:20:34.445 INFO kablam!     Checking jpeg-decoder v0.1.14
Nov 09 16:20:36.337 INFO kablam!     Checking image v0.18.0
Nov 09 16:20:41.898 INFO kablam!     Checking test_image_jpeg v0.1.0 (/source)
Nov 09 16:20:44.850 INFO kablam! warning: variable does not need to be mutable
Nov 09 16:20:44.850 INFO kablam!   --> src/main.rs:24:13
Nov 09 16:20:44.850 INFO kablam!    |
Nov 09 16:20:44.850 INFO kablam! 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Nov 09 16:20:44.850 INFO kablam!    |             ----^^^^^^^
Nov 09 16:20:44.850 INFO kablam!    |             |
Nov 09 16:20:44.850 INFO kablam!    |             help: remove this `mut`
Nov 09 16:20:44.850 INFO kablam!    |
Nov 09 16:20:44.850 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 16:20:44.850 INFO kablam! 
Nov 09 16:20:44.875 INFO kablam! warning: variable does not need to be mutable
Nov 09 16:20:44.875 INFO kablam!   --> src/main.rs:24:13
Nov 09 16:20:44.875 INFO kablam!    |
Nov 09 16:20:44.875 INFO kablam! 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Nov 09 16:20:44.875 INFO kablam!    |             ----^^^^^^^
Nov 09 16:20:44.875 INFO kablam!    |             |
Nov 09 16:20:44.875 INFO kablam!    |             help: remove this `mut`
Nov 09 16:20:44.875 INFO kablam!    |
Nov 09 16:20:44.875 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 16:20:44.875 INFO kablam! 
Nov 09 16:20:44.896 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.52s
Nov 09 16:20:44.901 INFO kablam! su: No module specific data is present
Nov 09 16:20:46.491 INFO running `"docker" "rm" "-f" "96749ce37b996c38b61a1e28526f7d99d7e4ce5bb76eea055d301d41a6d88804"`
Nov 09 16:20:46.741 INFO blam! 96749ce37b996c38b61a1e28526f7d99d7e4ce5bb76eea055d301d41a6d88804