Dec 04 15:05:46.172 INFO checking lnenad/image-to-ascii against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:05:46.172 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 15:05:46.647 INFO [stdout] b72ffc689a1d628df4c1ad899e51f812153f770e1a9af8eaef9908c371b81c3a
Dec 04 15:05:46.649 INFO running `"docker" "start" "-a" "b72ffc689a1d628df4c1ad899e51f812153f770e1a9af8eaef9908c371b81c3a"`
Dec 04 15:05:48.538 INFO [stderr] usermod: no changes
Dec 04 15:05:48.671 INFO [stderr]     Checking rayon-core v1.3.0
Dec 04 15:05:48.675 INFO [stderr]     Checking num-rational v0.1.40
Dec 04 15:05:49.832 INFO [stderr]     Checking rayon v0.8.2
Dec 04 15:05:52.481 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 04 15:05:53.892 INFO [stderr]     Checking image v0.17.0
Dec 04 15:05:58.198 INFO [stderr]     Checking imagetoascii v0.1.0 (/source)
Dec 04 15:06:00.339 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:06:00.339 INFO [stderr]   --> src/main.rs:32:9
Dec 04 15:06:00.339 INFO [stderr]    |
Dec 04 15:06:00.339 INFO [stderr] 32 |         generate_preview(&output.replace(".txt", ".html"), &contents);
Dec 04 15:06:00.339 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:06:00.339 INFO [stderr]    |
Dec 04 15:06:00.339 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:06:00.339 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:06:00.339 INFO [stderr] 
Dec 04 15:06:00.587 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:06:00.587 INFO [stderr]   --> src/main.rs:32:9
Dec 04 15:06:00.587 INFO [stderr]    |
Dec 04 15:06:00.587 INFO [stderr] 32 |         generate_preview(&output.replace(".txt", ".html"), &contents);
Dec 04 15:06:00.587 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:06:00.587 INFO [stderr]    |
Dec 04 15:06:00.587 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:06:00.587 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:06:00.587 INFO [stderr] 
Dec 04 15:06:00.677 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.10s
Dec 04 15:06:00.683 INFO [stderr] su: No module specific data is present
Dec 04 15:06:02.098 INFO running `"docker" "inspect" "b72ffc689a1d628df4c1ad899e51f812153f770e1a9af8eaef9908c371b81c3a"`
Dec 04 15:06:02.367 INFO running `"docker" "rm" "-f" "b72ffc689a1d628df4c1ad899e51f812153f770e1a9af8eaef9908c371b81c3a"`
Dec 04 15:06:02.727 INFO [stdout] b72ffc689a1d628df4c1ad899e51f812153f770e1a9af8eaef9908c371b81c3a