Dec 19 17:01:22.652 INFO checking firefox7025/ImageSorter against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:01:22.652 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:01:23.056 INFO [stdout] 80abe5eb9184bf994ac2e8f922f6e5c7ef8a6343d9dc88d534126f0ae911b0b5
Dec 19 17:01:23.058 INFO running `"docker" "start" "-a" "80abe5eb9184bf994ac2e8f922f6e5c7ef8a6343d9dc88d534126f0ae911b0b5"`
Dec 19 17:01:24.164 INFO [stderr]    Compiling syn v0.14.7
Dec 19 17:01:24.164 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 19 17:01:24.176 INFO [stderr]     Checking regex v1.0.2
Dec 19 17:01:25.351 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 19 17:01:25.848 INFO [stderr]     Checking rayon-core v1.4.1
Dec 19 17:01:27.364 INFO [stderr]     Checking rayon v1.0.2
Dec 19 17:01:29.916 INFO [stderr]     Checking env_logger v0.5.12
Dec 19 17:01:31.827 INFO [stderr]     Checking pretty_env_logger v0.2.4
Dec 19 17:01:33.676 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 19 17:01:36.450 INFO [stderr]    Compiling num-derive v0.2.2
Dec 19 17:01:37.861 INFO [stderr]     Checking image v0.19.0
Dec 19 17:01:42.506 INFO [stderr]     Checking img_hash v2.1.0
Dec 19 17:01:43.660 INFO [stderr]     Checking image_sorter v0.1.0 (/opt/crater/workdir)
Dec 19 17:01:44.797 INFO [stderr] warning: unused variable: `x`
Dec 19 17:01:44.798 INFO [stderr]    --> src/main.rs:109:27
Dec 19 17:01:44.798 INFO [stderr]     |
Dec 19 17:01:44.798 INFO [stderr] 109 |             .min_by_key(|(x, y)| hashimages::image_diff(val, y)).unwrap();
Dec 19 17:01:44.798 INFO [stderr]     |                           ^ help: consider using `_x` instead
Dec 19 17:01:44.799 INFO [stderr]     |
Dec 19 17:01:44.799 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 17:01:44.799 INFO [stderr] 
Dec 19 17:01:44.799 INFO [stderr] warning: unused variable: `dist_ratio`
Dec 19 17:01:44.799 INFO [stderr]   --> src/main.rs:55:9
Dec 19 17:01:44.800 INFO [stderr]    |
Dec 19 17:01:44.800 INFO [stderr] 55 |     let dist_ratio = matches.value_of("Similarity").unwrap_or("20");
Dec 19 17:01:44.800 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_dist_ratio` instead
Dec 19 17:01:44.800 INFO [stderr] 
Dec 19 17:01:44.800 INFO [stderr] warning: variable `output_directory` is assigned to, but never used
Dec 19 17:01:44.800 INFO [stderr]   --> src/main.rs:61:9
Dec 19 17:01:44.800 INFO [stderr]    |
Dec 19 17:01:44.800 INFO [stderr] 61 |     let output_directory;
Dec 19 17:01:44.800 INFO [stderr]    |         ^^^^^^^^^^^^^^^^
Dec 19 17:01:44.800 INFO [stderr]    |
Dec 19 17:01:44.800 INFO [stderr]    = note: consider using `_output_directory` instead
Dec 19 17:01:44.800 INFO [stderr] 
Dec 19 17:01:44.800 INFO [stderr] warning: value assigned to `output_directory` is never read
Dec 19 17:01:44.800 INFO [stderr]   --> src/main.rs:87:13
Dec 19 17:01:44.800 INFO [stderr]    |
Dec 19 17:01:44.800 INFO [stderr] 87 |             output_directory = path;
Dec 19 17:01:44.800 INFO [stderr]    |             ^^^^^^^^^^^^^^^^
Dec 19 17:01:44.800 INFO [stderr]    |
Dec 19 17:01:44.804 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 17:01:44.804 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 17:01:44.804 INFO [stderr] 
Dec 19 17:01:44.811 INFO [stderr] warning: unused variable: `x`
Dec 19 17:01:44.811 INFO [stderr]    --> src/main.rs:109:27
Dec 19 17:01:44.811 INFO [stderr]     |
Dec 19 17:01:44.811 INFO [stderr] 109 |             .min_by_key(|(x, y)| hashimages::image_diff(val, y)).unwrap();
Dec 19 17:01:44.811 INFO [stderr]     |                           ^ help: consider using `_x` instead
Dec 19 17:01:44.811 INFO [stderr]     |
Dec 19 17:01:44.812 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 17:01:44.812 INFO [stderr] 
Dec 19 17:01:44.812 INFO [stderr] warning: unused variable: `dist_ratio`
Dec 19 17:01:44.812 INFO [stderr]   --> src/main.rs:55:9
Dec 19 17:01:44.812 INFO [stderr]    |
Dec 19 17:01:44.812 INFO [stderr] 55 |     let dist_ratio = matches.value_of("Similarity").unwrap_or("20");
Dec 19 17:01:44.812 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_dist_ratio` instead
Dec 19 17:01:44.812 INFO [stderr] 
Dec 19 17:01:44.812 INFO [stderr] warning: variable `output_directory` is assigned to, but never used
Dec 19 17:01:44.812 INFO [stderr]   --> src/main.rs:61:9
Dec 19 17:01:44.812 INFO [stderr]    |
Dec 19 17:01:44.812 INFO [stderr] 61 |     let output_directory;
Dec 19 17:01:44.812 INFO [stderr]    |         ^^^^^^^^^^^^^^^^
Dec 19 17:01:44.812 INFO [stderr]    |
Dec 19 17:01:44.812 INFO [stderr]    = note: consider using `_output_directory` instead
Dec 19 17:01:44.812 INFO [stderr] 
Dec 19 17:01:44.812 INFO [stderr] warning: value assigned to `output_directory` is never read
Dec 19 17:01:44.812 INFO [stderr]   --> src/main.rs:87:13
Dec 19 17:01:44.812 INFO [stderr]    |
Dec 19 17:01:44.812 INFO [stderr] 87 |             output_directory = path;
Dec 19 17:01:44.812 INFO [stderr]    |             ^^^^^^^^^^^^^^^^
Dec 19 17:01:44.812 INFO [stderr]    |
Dec 19 17:01:44.812 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 17:01:44.812 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 17:01:44.812 INFO [stderr] 
Dec 19 17:01:44.912 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.93s
Dec 19 17:01:45.794 INFO running `"docker" "inspect" "80abe5eb9184bf994ac2e8f922f6e5c7ef8a6343d9dc88d534126f0ae911b0b5"`
Dec 19 17:01:46.152 INFO running `"docker" "rm" "-f" "80abe5eb9184bf994ac2e8f922f6e5c7ef8a6343d9dc88d534126f0ae911b0b5"`
Dec 19 17:01:46.432 INFO [stdout] 80abe5eb9184bf994ac2e8f922f6e5c7ef8a6343d9dc88d534126f0ae911b0b5