Nov 04 10:11:22.147 INFO checking aschampion/test_image_jpeg against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 10:11:22.147 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-1/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 10:11:22.349 INFO blam! e00fc3f49dc8a531a4c3776472101d03cb94a0378290fce2366178378712e8b7
Nov 04 10:11:22.359 INFO running `"docker" "start" "-a" "e00fc3f49dc8a531a4c3776472101d03cb94a0378290fce2366178378712e8b7"`
Nov 04 10:11:22.844 INFO kablam! usermod: no changes
Nov 04 10:11:22.947 INFO kablam!     Checking num-rational v0.1.42
Nov 04 10:11:22.947 INFO kablam!     Checking rayon v1.0.0
Nov 04 10:11:27.807 INFO kablam!     Checking jpeg-decoder v0.1.14
Nov 04 10:11:29.562 INFO kablam!     Checking image v0.18.0
Nov 04 10:11:35.145 INFO kablam!     Checking test_image_jpeg v0.1.0 (/source)
Nov 04 10:11:38.122 INFO kablam! warning: variable does not need to be mutable
Nov 04 10:11:38.124 INFO kablam!   --> src/main.rs:24:13
Nov 04 10:11:38.124 INFO kablam!    |
Nov 04 10:11:38.125 INFO kablam! 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Nov 04 10:11:38.126 INFO kablam!    |             ----^^^^^^^
Nov 04 10:11:38.126 INFO kablam!    |             |
Nov 04 10:11:38.127 INFO kablam!    |             help: remove this `mut`
Nov 04 10:11:38.127 INFO kablam!    |
Nov 04 10:11:38.128 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 10:11:38.129 INFO kablam! 
Nov 04 10:11:38.143 INFO kablam! warning: variable does not need to be mutable
Nov 04 10:11:38.144 INFO kablam!   --> src/main.rs:24:13
Nov 04 10:11:38.145 INFO kablam!    |
Nov 04 10:11:38.145 INFO kablam! 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Nov 04 10:11:38.146 INFO kablam!    |             ----^^^^^^^
Nov 04 10:11:38.147 INFO kablam!    |             |
Nov 04 10:11:38.147 INFO kablam!    |             help: remove this `mut`
Nov 04 10:11:38.148 INFO kablam!    |
Nov 04 10:11:38.148 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 10:11:38.149 INFO kablam! 
Nov 04 10:11:38.196 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.33s
Nov 04 10:11:38.202 INFO kablam! su: No module specific data is present
Nov 04 10:11:39.824 INFO running `"docker" "rm" "-f" "e00fc3f49dc8a531a4c3776472101d03cb94a0378290fce2366178378712e8b7"`
Nov 04 10:11:40.163 INFO blam! e00fc3f49dc8a531a4c3776472101d03cb94a0378290fce2366178378712e8b7