Nov 01 08:28:00.212 INFO checking aschampion/test_image_jpeg against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 08:28:00.217 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 08:28:00.540 INFO blam! f9c854d96c9aee05ee94c6b90195df37aced288979224a24632367af270fe5b6
Nov 01 08:28:00.547 INFO running `"docker" "start" "-a" "f9c854d96c9aee05ee94c6b90195df37aced288979224a24632367af270fe5b6"`
Nov 01 08:28:01.208 INFO kablam! usermod: no changes
Nov 01 08:28:01.333 INFO kablam!     Checking num-integer v0.1.36
Nov 01 08:28:01.860 INFO kablam!     Checking num-iter v0.1.35
Nov 01 08:28:01.860 INFO kablam!     Checking num-rational v0.1.42
Nov 01 08:28:02.616 INFO kablam!     Checking png v0.11.0
Nov 01 08:28:04.499 INFO kablam!     Checking image v0.18.0
Nov 01 08:28:10.105 INFO kablam!     Checking test_image_jpeg v0.1.0 (/source)
Nov 01 08:28:12.700 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:28:12.700 INFO kablam!   --> src/main.rs:24:13
Nov 01 08:28:12.700 INFO kablam!    |
Nov 01 08:28:12.700 INFO kablam! 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Nov 01 08:28:12.700 INFO kablam!    |             ----^^^^^^^
Nov 01 08:28:12.700 INFO kablam!    |             |
Nov 01 08:28:12.700 INFO kablam!    |             help: remove this `mut`
Nov 01 08:28:12.700 INFO kablam!    |
Nov 01 08:28:12.700 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 08:28:12.700 INFO kablam! 
Nov 01 08:28:12.792 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:28:12.792 INFO kablam!   --> src/main.rs:24:13
Nov 01 08:28:12.792 INFO kablam!    |
Nov 01 08:28:12.792 INFO kablam! 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Nov 01 08:28:12.792 INFO kablam!    |             ----^^^^^^^
Nov 01 08:28:12.792 INFO kablam!    |             |
Nov 01 08:28:12.792 INFO kablam!    |             help: remove this `mut`
Nov 01 08:28:12.792 INFO kablam!    |
Nov 01 08:28:12.792 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 08:28:12.792 INFO kablam! 
Nov 01 08:28:12.821 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.59s
Nov 01 08:28:12.824 INFO kablam! su: No module specific data is present
Nov 01 08:28:13.606 INFO running `"docker" "rm" "-f" "f9c854d96c9aee05ee94c6b90195df37aced288979224a24632367af270fe5b6"`
Nov 01 08:28:13.940 INFO blam! f9c854d96c9aee05ee94c6b90195df37aced288979224a24632367af270fe5b6