Nov 30 06:46:29.262 INFO checking aschampion/test_image_jpeg against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 06:46:29.262 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 06:46:29.714 INFO [stdout] dd6c49b42f903eef887a6438191a7522dbe33d42d6c3d866e1d8b38688906ded
Nov 30 06:46:29.716 INFO running `"docker" "start" "-a" "dd6c49b42f903eef887a6438191a7522dbe33d42d6c3d866e1d8b38688906ded"`
Nov 30 06:46:31.424 INFO [stderr] usermod: no changes
Nov 30 06:46:31.596 INFO [stderr]     Checking num-integer v0.1.36
Nov 30 06:46:32.260 INFO [stderr]     Checking num-iter v0.1.35
Nov 30 06:46:32.260 INFO [stderr]     Checking num-rational v0.1.42
Nov 30 06:46:32.924 INFO [stderr]     Checking png v0.11.0
Nov 30 06:46:34.414 INFO [stderr]     Checking image v0.18.0
Nov 30 06:46:39.809 INFO [stderr]     Checking test_image_jpeg v0.1.0 (/source)
Nov 30 06:46:42.120 INFO [stderr] warning: variable does not need to be mutable
Nov 30 06:46:42.120 INFO [stderr]   --> src/main.rs:24:13
Nov 30 06:46:42.120 INFO [stderr]    |
Nov 30 06:46:42.120 INFO [stderr] 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Nov 30 06:46:42.120 INFO [stderr]    |             ----^^^^^^^
Nov 30 06:46:42.120 INFO [stderr]    |             |
Nov 30 06:46:42.120 INFO [stderr]    |             help: remove this `mut`
Nov 30 06:46:42.120 INFO [stderr]    |
Nov 30 06:46:42.120 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 06:46:42.120 INFO [stderr] 
Nov 30 06:46:42.720 INFO [stderr] warning: variable does not need to be mutable
Nov 30 06:46:42.720 INFO [stderr]   --> src/main.rs:24:13
Nov 30 06:46:42.720 INFO [stderr]    |
Nov 30 06:46:42.720 INFO [stderr] 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Nov 30 06:46:42.720 INFO [stderr]    |             ----^^^^^^^
Nov 30 06:46:42.720 INFO [stderr]    |             |
Nov 30 06:46:42.720 INFO [stderr]    |             help: remove this `mut`
Nov 30 06:46:42.720 INFO [stderr]    |
Nov 30 06:46:42.720 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 06:46:42.720 INFO [stderr] 
Nov 30 06:46:42.749 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.29s
Nov 30 06:46:42.754 INFO [stderr] su: No module specific data is present
Nov 30 06:46:44.088 INFO running `"docker" "inspect" "dd6c49b42f903eef887a6438191a7522dbe33d42d6c3d866e1d8b38688906ded"`
Nov 30 06:46:44.440 INFO running `"docker" "rm" "-f" "dd6c49b42f903eef887a6438191a7522dbe33d42d6c3d866e1d8b38688906ded"`
Nov 30 06:46:44.820 INFO [stdout] dd6c49b42f903eef887a6438191a7522dbe33d42d6c3d866e1d8b38688906ded