[INFO] crate engiffen 0.8.1 is already in cache
[INFO] extracting crate engiffen 0.8.1 into work/ex/clippy-test-run/sources/stable/reg/engiffen/0.8.1
[INFO] extracting crate engiffen 0.8.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/engiffen/0.8.1
[INFO] validating manifest of engiffen-0.8.1 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of engiffen-0.8.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing engiffen-0.8.1
[INFO] finished frobbing engiffen-0.8.1
[INFO] frobbed toml for engiffen-0.8.1 written to work/ex/clippy-test-run/sources/stable/reg/engiffen/0.8.1/Cargo.toml
[INFO] started frobbing engiffen-0.8.1
[INFO] finished frobbing engiffen-0.8.1
[INFO] frobbed toml for engiffen-0.8.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/engiffen/0.8.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting engiffen-0.8.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/engiffen/0.8.1:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 223e4e64a96f7e872f33395f88bf9278cb7e191d39cd7d3bff03869a269a4759
[INFO] running `"docker" "start" "-a" "223e4e64a96f7e872f33395f88bf9278cb7e191d39cd7d3bff03869a269a4759"`
[INFO] [stderr]     Checking lab v0.4.4
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking engiffen v0.8.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         pixels: pixels,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `pixels`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:283:9
[INFO] [stderr]     |
[INFO] [stderr] 283 |         palette: palette,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `palette`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:284:9
[INFO] [stderr]     |
[INFO] [stderr] 284 |         transparency: transparency,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `transparency`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |         delay: delay,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `delay`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         pixels: pixels,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `pixels`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:283:9
[INFO] [stderr]     |
[INFO] [stderr] 283 |         palette: palette,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `palette`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:284:9
[INFO] [stderr]     |
[INFO] [stderr] 284 |         transparency: transparency,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `transparency`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |         delay: delay,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `delay`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/lib.rs:301:13
[INFO] [stderr]     |
[INFO] [stderr] 301 | /             if sample_rate > 1 {
[INFO] [stderr] 302 | |                 if n % sample_rate != 0 || (n / width) % sample_rate != 0 {
[INFO] [stderr] 303 | |                     continue;
[INFO] [stderr] 304 | |                 }
[INFO] [stderr] 305 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 301 |             if sample_rate > 1 && (n % sample_rate != 0 || (n / width) % sample_rate != 0) {
[INFO] [stderr] 302 |     continue;
[INFO] [stderr] 303 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/lib.rs:301:13
[INFO] [stderr]     |
[INFO] [stderr] 301 | /             if sample_rate > 1 {
[INFO] [stderr] 302 | |                 if n % sample_rate != 0 || (n / width) % sample_rate != 0 {
[INFO] [stderr] 303 | |                     continue;
[INFO] [stderr] 304 | |                 }
[INFO] [stderr] 305 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 301 |             if sample_rate > 1 && (n % sample_rate != 0 || (n / width) % sample_rate != 0) {
[INFO] [stderr] 302 |     continue;
[INFO] [stderr] 303 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:232:14
[INFO] [stderr]     |
[INFO] [stderr] 232 |         .map(|path| load_image(path))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `load_image`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/lib.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let ref first = imgs[0];
[INFO] [stderr]     |         ----^^^^^^^^^----------- help: try: `let first = &imgs[0];`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:355:15
[INFO] [stderr]     |
[INFO] [stderr] 355 |     }).reduce(|| FnvHashMap::default(), |mut acc, fr| {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `FnvHashMap::default`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:232:14
[INFO] [stderr]     |
[INFO] [stderr] 232 |         .map(|path| load_image(path))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `load_image`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/lib.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let ref first = imgs[0];
[INFO] [stderr]     |         ----^^^^^^^^^----------- help: try: `let first = &imgs[0];`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:355:15
[INFO] [stderr]     |
[INFO] [stderr] 355 |     }).reduce(|| FnvHashMap::default(), |mut acc, fr| {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `FnvHashMap::default`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/lib.rs:455:13
[INFO] [stderr]     |
[INFO] [stderr] 455 |             Err(_) => panic!("Test should have successfully made a gif."),
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/lib.rs:474:13
[INFO] [stderr]     |
[INFO] [stderr] 474 |             Err(_) => panic!("Test should have successfully made a gif."),
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parse_args.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |         source: source,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `source`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parse_args.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         fps: fps,
[INFO] [stderr]     |         ^^^^^^^^ help: replace it with: `fps`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parse_args.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |         out_file: out_file,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `out_file`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parse_args.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         quantizer: quantizer,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `quantizer`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parse_args.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |         modifiers: modifiers,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `modifiers`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parse_args.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |         source: source,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `source`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parse_args.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         fps: fps,
[INFO] [stderr]     |         ^^^^^^^^ help: replace it with: `fps`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parse_args.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |         out_file: out_file,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `out_file`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parse_args.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         quantizer: quantizer,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `quantizer`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parse_args.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |         modifiers: modifiers,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `modifiers`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/parse_args.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 159 |       } else {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 160 | |         if matches.free.len() == 1 {
[INFO] [stderr] 161 | |             #[cfg(feature = "globbing")]
[INFO] [stderr] 162 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 169 | |         }
[INFO] [stderr] 170 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 159 |     } else if matches.free.len() == 1 {
[INFO] [stderr] 160 |     #[cfg(feature = "globbing")]
[INFO] [stderr] 161 |     {
[INFO] [stderr] 162 |         glob::Pattern::new(&matches.free[0])?;
[INFO] [stderr] 163 |         Glob(matches.free[0].clone())
[INFO] [stderr] 164 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:110:83
[INFO] [stderr]     |
[INFO] [stderr] 110 |             let ms = duration.as_secs() * 1000 + duration.subsec_nanos() as u64 / 1000000;
[INFO] [stderr]     |                                                                                   ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/parse_args.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 159 |       } else {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 160 | |         if matches.free.len() == 1 {
[INFO] [stderr] 161 | |             #[cfg(feature = "globbing")]
[INFO] [stderr] 162 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 169 | |         }
[INFO] [stderr] 170 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 159 |     } else if matches.free.len() == 1 {
[INFO] [stderr] 160 |     #[cfg(feature = "globbing")]
[INFO] [stderr] 161 |     {
[INFO] [stderr] 162 |         glob::Pattern::new(&matches.free[0])?;
[INFO] [stderr] 163 |         Glob(matches.free[0].clone())
[INFO] [stderr] 164 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:110:83
[INFO] [stderr]     |
[INFO] [stderr] 110 |             let ms = duration.as_secs() * 1000 + duration.subsec_nanos() as u64 / 1000000;
[INFO] [stderr]     |                                                                                   ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: the `m @ _` pattern can be written as just `m`
[INFO] [stderr]    --> src/parse_args.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |             m @ _ => printerr!("Ignoring unknown modifier `{}`", m),
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/parse_args.rs:145:20
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let out_file = matches.opt_str("o").map(|f| f.clone());
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `matches.opt_str("o").cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/main.rs:65:46
[INFO] [stderr]    |
[INFO] [stderr] 65 |         SourceImages::List(ref list) => list.into_iter().map(PathBuf::from).collect(),
[INFO] [stderr]    |                                              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:110:50
[INFO] [stderr]     |
[INFO] [stderr] 110 |             let ms = duration.as_secs() * 1000 + duration.subsec_nanos() as u64 / 1000000;
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(duration.subsec_nanos())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/main.rs:111:33
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let filename = file.unwrap_or("to stdout".to_owned());
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "to stdout".to_owned())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: the `m @ _` pattern can be written as just `m`
[INFO] [stderr]    --> src/parse_args.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |             m @ _ => printerr!("Ignoring unknown modifier `{}`", m),
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/parse_args.rs:145:20
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let out_file = matches.opt_str("o").map(|f| f.clone());
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `matches.opt_str("o").cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/parse_args.rs:208:20
[INFO] [stderr]     |
[INFO] [stderr] 208 |         args.split(" ").map(|s| s.to_owned()).collect()
[INFO] [stderr]     |                    ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/parse_args.rs:329:13
[INFO] [stderr]     |
[INFO] [stderr] 329 |             Err(_) => panic!("Wrong error type returned"),
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/main.rs:65:46
[INFO] [stderr]    |
[INFO] [stderr] 65 |         SourceImages::List(ref list) => list.into_iter().map(PathBuf::from).collect(),
[INFO] [stderr]    |                                              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:110:50
[INFO] [stderr]     |
[INFO] [stderr] 110 |             let ms = duration.as_secs() * 1000 + duration.subsec_nanos() as u64 / 1000000;
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(duration.subsec_nanos())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/main.rs:111:33
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let filename = file.unwrap_or("to stdout".to_owned());
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "to stdout".to_owned())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.74s
[INFO] running `"docker" "inspect" "223e4e64a96f7e872f33395f88bf9278cb7e191d39cd7d3bff03869a269a4759"`
[INFO] running `"docker" "rm" "-f" "223e4e64a96f7e872f33395f88bf9278cb7e191d39cd7d3bff03869a269a4759"`
[INFO] [stdout] 223e4e64a96f7e872f33395f88bf9278cb7e191d39cd7d3bff03869a269a4759