Dec 05 01:52:54.736 INFO checking Jin-WW/mandelbrot against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 01:52:54.736 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 01:52:55.326 INFO [stdout] b3329cf6befb2c99e45c63391ee04af7e55650c619ea879702ec6749b7b65e37
Dec 05 01:52:55.328 INFO running `"docker" "start" "-a" "b3329cf6befb2c99e45c63391ee04af7e55650c619ea879702ec6749b7b65e37"`
Dec 05 01:52:56.342 INFO [stderr] usermod: no changes
Dec 05 01:52:56.539 INFO [stderr]     Checking png v0.7.0
Dec 05 01:52:56.543 INFO [stderr]     Checking rayon-core v1.4.0
Dec 05 01:52:58.699 INFO [stderr]     Checking rayon v1.0.0
Dec 05 01:53:02.847 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 05 01:53:04.715 INFO [stderr]     Checking image v0.13.0
Dec 05 01:53:10.183 INFO [stderr]     Checking mandelbrot v0.1.0 (/source)
Dec 05 01:53:12.703 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:53:12.703 INFO [stderr]   --> src/main.rs:16:5
Dec 05 01:53:12.703 INFO [stderr]    |
Dec 05 01:53:12.703 INFO [stderr] 16 |     write_image("output.png", &pixels, bounds);
Dec 05 01:53:12.703 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:53:12.703 INFO [stderr]    |
Dec 05 01:53:12.703 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 01:53:12.703 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:53:12.703 INFO [stderr] 
Dec 05 01:53:12.908 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:53:12.908 INFO [stderr]   --> src/main.rs:16:5
Dec 05 01:53:12.908 INFO [stderr]    |
Dec 05 01:53:12.908 INFO [stderr] 16 |     write_image("output.png", &pixels, bounds);
Dec 05 01:53:12.908 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:53:12.908 INFO [stderr]    |
Dec 05 01:53:12.908 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 01:53:12.908 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:53:12.908 INFO [stderr] 
Dec 05 01:53:12.947 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.57s
Dec 05 01:53:12.963 INFO [stderr] su: No module specific data is present
Dec 05 01:53:13.748 INFO running `"docker" "inspect" "b3329cf6befb2c99e45c63391ee04af7e55650c619ea879702ec6749b7b65e37"`
Dec 05 01:53:14.047 INFO running `"docker" "rm" "-f" "b3329cf6befb2c99e45c63391ee04af7e55650c619ea879702ec6749b7b65e37"`
Dec 05 01:53:14.339 INFO [stdout] b3329cf6befb2c99e45c63391ee04af7e55650c619ea879702ec6749b7b65e37