Dec 11 19:31:44.237 INFO checking donachys/midpoint_displacement_2d_terrain against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 19:31:44.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 19:31:44.554 INFO [stdout] f462461f183aa8f7b78f4f51350d6584f1fa3d1c62695dabc8c534c9a443fdd3
Dec 11 19:31:44.562 INFO running `"docker" "start" "-a" "f462461f183aa8f7b78f4f51350d6584f1fa3d1c62695dabc8c534c9a443fdd3"`
Dec 11 19:31:45.386 INFO [stderr] usermod: no changes
Dec 11 19:31:45.471 INFO [stderr]    Compiling miniz-sys v0.1.7
Dec 11 19:31:45.480 INFO [stderr]     Checking rayon v0.6.0
Dec 11 19:31:47.112 INFO [stderr]     Checking flate2 v0.2.14
Dec 11 19:31:47.418 INFO [stderr]     Checking jpeg-decoder v0.1.10
Dec 11 19:31:47.924 INFO [stderr]     Checking png v0.5.2
Dec 11 19:31:49.476 INFO [stderr]     Checking image v0.10.4
Dec 11 19:31:53.384 INFO [stderr]     Checking midpoint_displacement_2d v0.1.0 (/source)
Dec 11 19:31:55.451 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:31:55.451 INFO [stderr]   --> src/main.rs:58:13
Dec 11 19:31:55.451 INFO [stderr]    |
Dec 11 19:31:55.451 INFO [stderr] 58 |         let mut pixel = imgbuf.get_pixel_mut(wheel_center.x, wheel_center.y);
Dec 11 19:31:55.451 INFO [stderr]    |             ----^^^^^
Dec 11 19:31:55.451 INFO [stderr]    |             |
Dec 11 19:31:55.451 INFO [stderr]    |             help: remove this `mut`
Dec 11 19:31:55.451 INFO [stderr]    |
Dec 11 19:31:55.451 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 19:31:55.451 INFO [stderr] 
Dec 11 19:31:55.519 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:31:55.519 INFO [stderr]   --> src/main.rs:58:13
Dec 11 19:31:55.519 INFO [stderr]    |
Dec 11 19:31:55.519 INFO [stderr] 58 |         let mut pixel = imgbuf.get_pixel_mut(wheel_center.x, wheel_center.y);
Dec 11 19:31:55.519 INFO [stderr]    |             ----^^^^^
Dec 11 19:31:55.519 INFO [stderr]    |             |
Dec 11 19:31:55.519 INFO [stderr]    |             help: remove this `mut`
Dec 11 19:31:55.519 INFO [stderr]    |
Dec 11 19:31:55.519 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 19:31:55.519 INFO [stderr] 
Dec 11 19:31:55.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.16s
Dec 11 19:31:55.580 INFO [stderr] su: No module specific data is present
Dec 11 19:31:56.474 INFO running `"docker" "inspect" "f462461f183aa8f7b78f4f51350d6584f1fa3d1c62695dabc8c534c9a443fdd3"`
Dec 11 19:31:56.750 INFO running `"docker" "rm" "-f" "f462461f183aa8f7b78f4f51350d6584f1fa3d1c62695dabc8c534c9a443fdd3"`
Dec 11 19:31:57.060 INFO [stdout] f462461f183aa8f7b78f4f51350d6584f1fa3d1c62695dabc8c534c9a443fdd3