Dec 18 00:19:03.530 INFO checking firefox7025/ImageSorter against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 00:19:03.530 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/firefox7025/ImageSorter:/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 18 00:19:03.998 INFO [stdout] 79aa7970923cafa5d425e468bdab534b34e19b49d1aee106f1ee7dd5a6be6d47
Dec 18 00:19:04.006 INFO running `"docker" "start" "-a" "79aa7970923cafa5d425e468bdab534b34e19b49d1aee106f1ee7dd5a6be6d47"`
Dec 18 00:19:05.726 INFO [stderr]    Compiling syn v0.14.7
Dec 18 00:19:05.726 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 18 00:19:06.740 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 18 00:19:07.603 INFO [stderr]     Checking rayon-core v1.4.1
Dec 18 00:19:08.989 INFO [stderr]     Checking rayon v1.0.2
Dec 18 00:19:16.828 INFO [stderr]    Compiling num-derive v0.2.2
Dec 18 00:19:18.584 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 18 00:19:20.121 INFO [stderr]     Checking image v0.19.0
Dec 18 00:19:24.812 INFO [stderr]     Checking img_hash v2.1.0
Dec 18 00:19:25.642 INFO [stderr]     Checking image_sorter v0.1.0 (/opt/crater/workdir)
Dec 18 00:19:26.604 INFO [stderr] warning: unused variable: `x`
Dec 18 00:19:26.604 INFO [stderr]    --> src/main.rs:109:27
Dec 18 00:19:26.604 INFO [stderr]     |
Dec 18 00:19:26.604 INFO [stderr] 109 |             .min_by_key(|(x, y)| hashimages::image_diff(val, y)).unwrap();
Dec 18 00:19:26.604 INFO [stderr]     |                           ^ help: consider using `_x` instead
Dec 18 00:19:26.604 INFO [stderr]     |
Dec 18 00:19:26.604 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 00:19:26.604 INFO [stderr] 
Dec 18 00:19:26.604 INFO [stderr] warning: unused variable: `dist_ratio`
Dec 18 00:19:26.604 INFO [stderr]   --> src/main.rs:55:9
Dec 18 00:19:26.604 INFO [stderr]    |
Dec 18 00:19:26.604 INFO [stderr] 55 |     let dist_ratio = matches.value_of("Similarity").unwrap_or("20");
Dec 18 00:19:26.604 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_dist_ratio` instead
Dec 18 00:19:26.604 INFO [stderr] 
Dec 18 00:19:26.604 INFO [stderr] warning: variable `output_directory` is assigned to, but never used
Dec 18 00:19:26.604 INFO [stderr]   --> src/main.rs:61:9
Dec 18 00:19:26.604 INFO [stderr]    |
Dec 18 00:19:26.604 INFO [stderr] 61 |     let output_directory;
Dec 18 00:19:26.604 INFO [stderr]    |         ^^^^^^^^^^^^^^^^
Dec 18 00:19:26.604 INFO [stderr]    |
Dec 18 00:19:26.604 INFO [stderr]    = note: consider using `_output_directory` instead
Dec 18 00:19:26.604 INFO [stderr] 
Dec 18 00:19:26.604 INFO [stderr] warning: value assigned to `output_directory` is never read
Dec 18 00:19:26.604 INFO [stderr]   --> src/main.rs:87:13
Dec 18 00:19:26.604 INFO [stderr]    |
Dec 18 00:19:26.604 INFO [stderr] 87 |             output_directory = path;
Dec 18 00:19:26.604 INFO [stderr]    |             ^^^^^^^^^^^^^^^^
Dec 18 00:19:26.604 INFO [stderr]    |
Dec 18 00:19:26.604 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 00:19:26.604 INFO [stderr] 
Dec 18 00:19:26.632 INFO [stderr] warning: unused variable: `x`
Dec 18 00:19:26.632 INFO [stderr]    --> src/main.rs:109:27
Dec 18 00:19:26.632 INFO [stderr]     |
Dec 18 00:19:26.632 INFO [stderr] 109 |             .min_by_key(|(x, y)| hashimages::image_diff(val, y)).unwrap();
Dec 18 00:19:26.632 INFO [stderr]     |                           ^ help: consider using `_x` instead
Dec 18 00:19:26.632 INFO [stderr]     |
Dec 18 00:19:26.632 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 00:19:26.632 INFO [stderr] 
Dec 18 00:19:26.632 INFO [stderr] warning: unused variable: `dist_ratio`
Dec 18 00:19:26.632 INFO [stderr]   --> src/main.rs:55:9
Dec 18 00:19:26.632 INFO [stderr]    |
Dec 18 00:19:26.632 INFO [stderr] 55 |     let dist_ratio = matches.value_of("Similarity").unwrap_or("20");
Dec 18 00:19:26.632 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_dist_ratio` instead
Dec 18 00:19:26.632 INFO [stderr] 
Dec 18 00:19:26.632 INFO [stderr] warning: variable `output_directory` is assigned to, but never used
Dec 18 00:19:26.632 INFO [stderr]   --> src/main.rs:61:9
Dec 18 00:19:26.632 INFO [stderr]    |
Dec 18 00:19:26.632 INFO [stderr] 61 |     let output_directory;
Dec 18 00:19:26.632 INFO [stderr]    |         ^^^^^^^^^^^^^^^^
Dec 18 00:19:26.632 INFO [stderr]    |
Dec 18 00:19:26.632 INFO [stderr]    = note: consider using `_output_directory` instead
Dec 18 00:19:26.632 INFO [stderr] 
Dec 18 00:19:26.632 INFO [stderr] warning: value assigned to `output_directory` is never read
Dec 18 00:19:26.632 INFO [stderr]   --> src/main.rs:87:13
Dec 18 00:19:26.632 INFO [stderr]    |
Dec 18 00:19:26.632 INFO [stderr] 87 |             output_directory = path;
Dec 18 00:19:26.632 INFO [stderr]    |             ^^^^^^^^^^^^^^^^
Dec 18 00:19:26.632 INFO [stderr]    |
Dec 18 00:19:26.632 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 00:19:26.632 INFO [stderr] 
Dec 18 00:19:26.692 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.16s
Dec 18 00:19:27.436 INFO running `"docker" "inspect" "79aa7970923cafa5d425e468bdab534b34e19b49d1aee106f1ee7dd5a6be6d47"`
Dec 18 00:19:27.686 INFO running `"docker" "rm" "-f" "79aa7970923cafa5d425e468bdab534b34e19b49d1aee106f1ee7dd5a6be6d47"`
Dec 18 00:19:27.875 INFO [stdout] 79aa7970923cafa5d425e468bdab534b34e19b49d1aee106f1ee7dd5a6be6d47