Oct 13 01:00:42.938 INFO checking aschampion/test_image_jpeg against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 01:00:42.939 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 13 01:00:43.344 INFO blam! 36911bbc9324c1de991ea6dd05fc545411c2cf55e91fbf34d5d1c8806d3699bb
Oct 13 01:00:43.348 INFO running `"docker" "start" "-a" "36911bbc9324c1de991ea6dd05fc545411c2cf55e91fbf34d5d1c8806d3699bb"`
Oct 13 01:00:44.520 INFO kablam! usermod: no changes
Oct 13 01:00:44.774 INFO kablam!     Checking rayon v1.0.0
Oct 13 01:00:48.908 INFO kablam!     Checking jpeg-decoder v0.1.14
Oct 13 01:00:50.864 INFO kablam!     Checking image v0.18.0
Oct 13 01:00:56.560 INFO kablam!     Checking test_image_jpeg v0.1.0 (/source)
Oct 13 01:00:59.312 INFO kablam! warning: variable does not need to be mutable
Oct 13 01:00:59.312 INFO kablam!   --> src/main.rs:24:13
Oct 13 01:00:59.312 INFO kablam!    |
Oct 13 01:00:59.312 INFO kablam! 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Oct 13 01:00:59.312 INFO kablam!    |             ----^^^^^^^
Oct 13 01:00:59.312 INFO kablam!    |             |
Oct 13 01:00:59.312 INFO kablam!    |             help: remove this `mut`
Oct 13 01:00:59.312 INFO kablam!    |
Oct 13 01:00:59.312 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 01:00:59.312 INFO kablam! 
Oct 13 01:00:59.568 INFO kablam! warning: variable does not need to be mutable
Oct 13 01:00:59.568 INFO kablam!   --> src/main.rs:24:13
Oct 13 01:00:59.568 INFO kablam!    |
Oct 13 01:00:59.568 INFO kablam! 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Oct 13 01:00:59.568 INFO kablam!    |             ----^^^^^^^
Oct 13 01:00:59.568 INFO kablam!    |             |
Oct 13 01:00:59.568 INFO kablam!    |             help: remove this `mut`
Oct 13 01:00:59.568 INFO kablam!    |
Oct 13 01:00:59.568 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 01:00:59.568 INFO kablam! 
Oct 13 01:00:59.633 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.08s
Oct 13 01:00:59.645 INFO kablam! su: No module specific data is present
Oct 13 01:01:00.877 INFO running `"docker" "rm" "-f" "36911bbc9324c1de991ea6dd05fc545411c2cf55e91fbf34d5d1c8806d3699bb"`
Oct 13 01:01:01.236 INFO blam! 36911bbc9324c1de991ea6dd05fc545411c2cf55e91fbf34d5d1c8806d3699bb