Dec 17 20:38:39.198 INFO checking lnenad/image-to-ascii against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:38:39.198 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/lnenad/image-to-ascii:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:38:39.786 INFO [stdout] 5977603784b7c86f34cb0670a372d4276a7b0f8dcebe901b2a0562453a5bc057
Dec 17 20:38:39.788 INFO running `"docker" "start" "-a" "5977603784b7c86f34cb0670a372d4276a7b0f8dcebe901b2a0562453a5bc057"`
Dec 17 20:38:42.009 INFO [stderr]     Checking rayon-core v1.3.0
Dec 17 20:38:42.009 INFO [stderr]     Checking png v0.11.0
Dec 17 20:38:43.280 INFO [stderr]     Checking rayon v0.8.2
Dec 17 20:38:46.247 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 17 20:38:47.348 INFO [stderr]     Checking image v0.17.0
Dec 17 20:38:51.244 INFO [stderr]     Checking imagetoascii v0.1.0 (/opt/crater/workdir)
Dec 17 20:38:52.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:38:52.356 INFO [stderr]   --> src/main.rs:32:9
Dec 17 20:38:52.356 INFO [stderr]    |
Dec 17 20:38:52.356 INFO [stderr] 32 |         generate_preview(&output.replace(".txt", ".html"), &contents);
Dec 17 20:38:52.356 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:38:52.356 INFO [stderr]    |
Dec 17 20:38:52.356 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:38:52.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:38:52.356 INFO [stderr] 
Dec 17 20:38:52.372 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:38:52.372 INFO [stderr]   --> src/main.rs:32:9
Dec 17 20:38:52.372 INFO [stderr]    |
Dec 17 20:38:52.372 INFO [stderr] 32 |         generate_preview(&output.replace(".txt", ".html"), &contents);
Dec 17 20:38:52.372 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:38:52.372 INFO [stderr]    |
Dec 17 20:38:52.373 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:38:52.373 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:38:52.373 INFO [stderr] 
Dec 17 20:38:52.424 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.49s
Dec 17 20:38:52.804 INFO running `"docker" "inspect" "5977603784b7c86f34cb0670a372d4276a7b0f8dcebe901b2a0562453a5bc057"`
Dec 17 20:38:53.090 INFO running `"docker" "rm" "-f" "5977603784b7c86f34cb0670a372d4276a7b0f8dcebe901b2a0562453a5bc057"`
Dec 17 20:38:53.408 INFO [stdout] 5977603784b7c86f34cb0670a372d4276a7b0f8dcebe901b2a0562453a5bc057