Dec 11 12:59:21.194 INFO checking nabeelomer/ImageBuilder against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 12:59:21.194 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 12:59:21.518 INFO [stdout] 0b55a7eb2a6099f742c4ee795fbd671357d93baf3491b0e22aced0c5743da792
Dec 11 12:59:21.524 INFO running `"docker" "start" "-a" "0b55a7eb2a6099f742c4ee795fbd671357d93baf3491b0e22aced0c5743da792"`
Dec 11 12:59:22.819 INFO [stderr] usermod: no changes
Dec 11 12:59:22.932 INFO [stderr]     Checking arrayvec v0.4.6
Dec 11 12:59:22.937 INFO [stderr]     Checking rayon-core v1.3.0
Dec 11 12:59:24.508 INFO [stderr]     Checking rayon v0.8.2
Dec 11 12:59:24.516 INFO [stderr]     Checking rusttype v0.3.0
Dec 11 12:59:28.098 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 11 12:59:29.278 INFO [stderr]     Checking image v0.18.0
Dec 11 12:59:33.712 INFO [stderr]     Checking ImageBuilder v0.1.0 (/source)
Dec 11 12:59:35.140 INFO [stderr] warning: variable does not need to be mutable
Dec 11 12:59:35.140 INFO [stderr]   --> src/main.rs:11:9
Dec 11 12:59:35.140 INFO [stderr]    |
Dec 11 12:59:35.140 INFO [stderr] 11 |     let mut image = DynamicImage::new_rgba8(1920, 1080).to_rgba();
Dec 11 12:59:35.140 INFO [stderr]    |         ----^^^^^
Dec 11 12:59:35.140 INFO [stderr]    |         |
Dec 11 12:59:35.140 INFO [stderr]    |         help: remove this `mut`
Dec 11 12:59:35.140 INFO [stderr]    |
Dec 11 12:59:35.140 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 12:59:35.140 INFO [stderr] 
Dec 11 12:59:35.140 INFO [stderr] warning: crate `ImageBuilder` should have a snake case name such as `image_builder`
Dec 11 12:59:35.140 INFO [stderr]   |
Dec 11 12:59:35.140 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 11 12:59:35.140 INFO [stderr] 
Dec 11 12:59:35.380 INFO [stderr] warning: variable does not need to be mutable
Dec 11 12:59:35.380 INFO [stderr]   --> src/main.rs:11:9
Dec 11 12:59:35.380 INFO [stderr]    |
Dec 11 12:59:35.380 INFO [stderr] 11 |     let mut image = DynamicImage::new_rgba8(1920, 1080).to_rgba();
Dec 11 12:59:35.380 INFO [stderr]    |         ----^^^^^
Dec 11 12:59:35.380 INFO [stderr]    |         |
Dec 11 12:59:35.380 INFO [stderr]    |         help: remove this `mut`
Dec 11 12:59:35.380 INFO [stderr]    |
Dec 11 12:59:35.380 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 12:59:35.380 INFO [stderr] 
Dec 11 12:59:35.380 INFO [stderr] warning: crate `ImageBuilder` should have a snake case name such as `image_builder`
Dec 11 12:59:35.380 INFO [stderr]   |
Dec 11 12:59:35.380 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 11 12:59:35.380 INFO [stderr] 
Dec 11 12:59:35.389 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.55s
Dec 11 12:59:35.396 INFO [stderr] su: No module specific data is present
Dec 11 12:59:35.912 INFO running `"docker" "inspect" "0b55a7eb2a6099f742c4ee795fbd671357d93baf3491b0e22aced0c5743da792"`
Dec 11 12:59:36.268 INFO running `"docker" "rm" "-f" "0b55a7eb2a6099f742c4ee795fbd671357d93baf3491b0e22aced0c5743da792"`
Dec 11 12:59:36.516 INFO [stdout] 0b55a7eb2a6099f742c4ee795fbd671357d93baf3491b0e22aced0c5743da792