[INFO] crate mnist 0.4.0 is already in cache
[INFO] extracting crate mnist 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/mnist/0.4.0
[INFO] extracting crate mnist 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mnist/0.4.0
[INFO] validating manifest of mnist-0.4.0 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 mnist-0.4.0 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 mnist-0.4.0
[INFO] finished frobbing mnist-0.4.0
[INFO] frobbed toml for mnist-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/mnist/0.4.0/Cargo.toml
[INFO] started frobbing mnist-0.4.0
[INFO] finished frobbing mnist-0.4.0
[INFO] frobbed toml for mnist-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mnist/0.4.0/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 mnist-0.4.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/mnist/0.4.0:/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] fd413b19291a99032b2c9f95362758905937a1360e382206a230fe7a322a5ad1
[INFO] running `"docker" "start" "-a" "fd413b19291a99032b2c9f95362758905937a1360e382206a230fe7a322a5ad1"`
[INFO] [stderr]     Checking mnist v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:377:13
[INFO] [stderr]     |
[INFO] [stderr] 377 |             trn_img: trn_img,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `trn_img`
[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:378:13
[INFO] [stderr]     |
[INFO] [stderr] 378 |             trn_lbl: trn_lbl,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `trn_lbl`
[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:379:13
[INFO] [stderr]     |
[INFO] [stderr] 379 |             val_img: val_img,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `val_img`
[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:380:13
[INFO] [stderr]     |
[INFO] [stderr] 380 |             val_lbl: val_lbl,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `val_lbl`
[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:381:13
[INFO] [stderr]     |
[INFO] [stderr] 381 |             tst_img: tst_img,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `tst_img`
[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:382:13
[INFO] [stderr]     |
[INFO] [stderr] 382 |             tst_lbl: tst_lbl,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `tst_lbl`
[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: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:103:32
[INFO] [stderr]     |
[INFO] [stderr] 103 | static IMG_MAGIC_NUMBER: u32 = 0x00000803;
[INFO] [stderr]     |                                ^^^^^^^^^^ help: consider: `0x0000_0803`
[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: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:104:32
[INFO] [stderr]     |
[INFO] [stderr] 104 | static LBL_MAGIC_NUMBER: u32 = 0x00000801;
[INFO] [stderr]     |                                ^^^^^^^^^^ help: consider: `0x0000_0801`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `MnistBuilder<'a>`
[INFO] [stderr]    --> src/lib.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 | /     pub fn new() -> MnistBuilder<'a> {
[INFO] [stderr] 170 | |         MnistBuilder {
[INFO] [stderr] 171 | |             lbl_format: LabelFormat::Digit,
[INFO] [stderr] 172 | |             trn_len: TRN_LEN,
[INFO] [stderr] ...   |
[INFO] [stderr] 180 | |         }
[INFO] [stderr] 181 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 160 | impl Default for MnistBuilder<'a> {
[INFO] [stderr] 161 |     fn default() -> Self {
[INFO] [stderr] 162 |         Self::new()
[INFO] [stderr] 163 |     }
[INFO] [stderr] 164 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:395:10
[INFO] [stderr]     |
[INFO] [stderr] 395 |         .expect(&format!("Unable to find path to labels at {:?}.", path));
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to find path to labels at {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:397:10
[INFO] [stderr]     |
[INFO] [stderr] 397 |         .expect(&format!("Unable to read magic number from {:?}.", path));
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to read magic number from {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:403:10
[INFO] [stderr]     |
[INFO] [stderr] 403 |         .expect(&format!("Unable to length from {:?}.", path));
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to length from {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:416:14
[INFO] [stderr]     |
[INFO] [stderr] 416 |             .expect(&format!("Unable to find path to images at {:?}.", path));
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to find path to images at {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:417:46
[INFO] [stderr]     |
[INFO] [stderr] 417 |         let _ = fh.read_to_end(&mut content).expect(&format!("Unable to read whole file in memory ({})", path.display()));
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to read whole file in memory ({})", path.display()))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:424:10
[INFO] [stderr]     |
[INFO] [stderr] 424 |         .expect(&format!("Unable to read magic number from {:?}.", path));
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to read magic number from {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:430:10
[INFO] [stderr]     |
[INFO] [stderr] 430 |         .expect(&format!("Unable to length from {:?}.", path));
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to length from {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:436:10
[INFO] [stderr]     |
[INFO] [stderr] 436 |         .expect(&format!("Unable to number of rows from {:?}.", path)) as usize;
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to number of rows from {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:440:10
[INFO] [stderr]     |
[INFO] [stderr] 440 |         .expect(&format!("Unable to number of columns from {:?}.", path)) as usize;
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to number of columns from {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:377:13
[INFO] [stderr]     |
[INFO] [stderr] 377 |             trn_img: trn_img,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `trn_img`
[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:378:13
[INFO] [stderr]     |
[INFO] [stderr] 378 |             trn_lbl: trn_lbl,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `trn_lbl`
[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:379:13
[INFO] [stderr]     |
[INFO] [stderr] 379 |             val_img: val_img,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `val_img`
[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:380:13
[INFO] [stderr]     |
[INFO] [stderr] 380 |             val_lbl: val_lbl,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `val_lbl`
[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:381:13
[INFO] [stderr]     |
[INFO] [stderr] 381 |             tst_img: tst_img,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `tst_img`
[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:382:13
[INFO] [stderr]     |
[INFO] [stderr] 382 |             tst_lbl: tst_lbl,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `tst_lbl`
[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: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:103:32
[INFO] [stderr]     |
[INFO] [stderr] 103 | static IMG_MAGIC_NUMBER: u32 = 0x00000803;
[INFO] [stderr]     |                                ^^^^^^^^^^ help: consider: `0x0000_0803`
[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: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:104:32
[INFO] [stderr]     |
[INFO] [stderr] 104 | static LBL_MAGIC_NUMBER: u32 = 0x00000801;
[INFO] [stderr]     |                                ^^^^^^^^^^ help: consider: `0x0000_0801`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/tests.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |     assert!(mnist.val_img.len() == 0);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `mnist.val_img.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/tests.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |     assert!(mnist.val_lbl.len() == 0);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `mnist.val_lbl.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `MnistBuilder<'a>`
[INFO] [stderr]    --> src/lib.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 | /     pub fn new() -> MnistBuilder<'a> {
[INFO] [stderr] 170 | |         MnistBuilder {
[INFO] [stderr] 171 | |             lbl_format: LabelFormat::Digit,
[INFO] [stderr] 172 | |             trn_len: TRN_LEN,
[INFO] [stderr] ...   |
[INFO] [stderr] 180 | |         }
[INFO] [stderr] 181 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 160 | impl Default for MnistBuilder<'a> {
[INFO] [stderr] 161 |     fn default() -> Self {
[INFO] [stderr] 162 |         Self::new()
[INFO] [stderr] 163 |     }
[INFO] [stderr] 164 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:395:10
[INFO] [stderr]     |
[INFO] [stderr] 395 |         .expect(&format!("Unable to find path to labels at {:?}.", path));
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to find path to labels at {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:397:10
[INFO] [stderr]     |
[INFO] [stderr] 397 |         .expect(&format!("Unable to read magic number from {:?}.", path));
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to read magic number from {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:403:10
[INFO] [stderr]     |
[INFO] [stderr] 403 |         .expect(&format!("Unable to length from {:?}.", path));
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to length from {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:416:14
[INFO] [stderr]     |
[INFO] [stderr] 416 |             .expect(&format!("Unable to find path to images at {:?}.", path));
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to find path to images at {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:417:46
[INFO] [stderr]     |
[INFO] [stderr] 417 |         let _ = fh.read_to_end(&mut content).expect(&format!("Unable to read whole file in memory ({})", path.display()));
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to read whole file in memory ({})", path.display()))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:424:10
[INFO] [stderr]     |
[INFO] [stderr] 424 |         .expect(&format!("Unable to read magic number from {:?}.", path));
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to read magic number from {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:430:10
[INFO] [stderr]     |
[INFO] [stderr] 430 |         .expect(&format!("Unable to length from {:?}.", path));
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to length from {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:436:10
[INFO] [stderr]     |
[INFO] [stderr] 436 |         .expect(&format!("Unable to number of rows from {:?}.", path)) as usize;
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to number of rows from {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:440:10
[INFO] [stderr]     |
[INFO] [stderr] 440 |         .expect(&format!("Unable to number of columns from {:?}.", path)) as usize;
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to number of columns from {:?}.", path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.57s
[INFO] running `"docker" "inspect" "fd413b19291a99032b2c9f95362758905937a1360e382206a230fe7a322a5ad1"`
[INFO] running `"docker" "rm" "-f" "fd413b19291a99032b2c9f95362758905937a1360e382206a230fe7a322a5ad1"`
[INFO] [stdout] fd413b19291a99032b2c9f95362758905937a1360e382206a230fe7a322a5ad1