[INFO] updating cached repository simias/psx-mctool
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/simias/psx-mctool
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/simias/psx-mctool" "work/ex/clippy-test-run/sources/stable/gh/simias/psx-mctool"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/simias/psx-mctool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/simias/psx-mctool" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simias/psx-mctool"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simias/psx-mctool'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d9087b290e817363ce63fae1232ca282efb3e6c7
[INFO] sha for GitHub repo simias/psx-mctool: d9087b290e817363ce63fae1232ca282efb3e6c7
[INFO] validating manifest of simias/psx-mctool 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 simias/psx-mctool 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 simias/psx-mctool
[INFO] finished frobbing simias/psx-mctool
[INFO] frobbed toml for simias/psx-mctool written to work/ex/clippy-test-run/sources/stable/gh/simias/psx-mctool/Cargo.toml
[INFO] started frobbing simias/psx-mctool
[INFO] finished frobbing simias/psx-mctool
[INFO] frobbed toml for simias/psx-mctool written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simias/psx-mctool/Cargo.toml
[INFO] crate simias/psx-mctool has a lockfile. skipping
[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 simias/psx-mctool against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simias/psx-mctool:/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 -Dclippy::into_iter_on_array" "-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] 07f7a49a882ea957b5b39bc9d39e0e352b5d16e8c7edf787907d1a085b5e63be
[INFO] running `"docker" "start" "-a" "07f7a49a882ea957b5b39bc9d39e0e352b5d16e8c7edf787907d1a085b5e63be"`
[INFO] [stderr]     Checking psx-mctool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/mc.rs:460:13
[INFO] [stderr]     |
[INFO] [stderr] 460 |             number: number,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `number`
[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/mc.rs:461:13
[INFO] [stderr]     |
[INFO] [stderr] 461 |             metadata: metadata,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `metadata`
[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/mc.rs:462:13
[INFO] [stderr]     |
[INFO] [stderr] 462 |             data: data,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `data`
[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/mc.rs:599:13
[INFO] [stderr]     |
[INFO] [stderr] 599 |             number: number,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `number`
[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/mc.rs:600:13
[INFO] [stderr]     |
[INFO] [stderr] 600 |             metadata: metadata,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `metadata`
[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/mc.rs:601:13
[INFO] [stderr]     |
[INFO] [stderr] 601 |             data: data,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `data`
[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: using `println!("")`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/mc.rs:460:13
[INFO] [stderr]     |
[INFO] [stderr] 460 |             number: number,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `number`
[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/mc.rs:461:13
[INFO] [stderr]     |
[INFO] [stderr] 461 |             metadata: metadata,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `metadata`
[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/mc.rs:462:13
[INFO] [stderr]     |
[INFO] [stderr] 462 |             data: data,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `data`
[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/mc.rs:599:13
[INFO] [stderr]     |
[INFO] [stderr] 599 |             number: number,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `number`
[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/mc.rs:600:13
[INFO] [stderr]     |
[INFO] [stderr] 600 |             metadata: metadata,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `metadata`
[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/mc.rs:601:13
[INFO] [stderr]     |
[INFO] [stderr] 601 |             data: data,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `data`
[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: using `println!("")`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/mc.rs:348:23
[INFO] [stderr]     |
[INFO] [stderr] 348 |             if pos != 0xffffffff {
[INFO] [stderr]     |                       ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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/mc.rs:348:23
[INFO] [stderr]     |
[INFO] [stderr] 348 |             if pos != 0xffffffff {
[INFO] [stderr]     |                       ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/mc.rs:398:40
[INFO] [stderr]     |
[INFO] [stderr] 398 |                 let eos = s.find('\0').unwrap_or(s.len());
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| s.len())`
[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: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/mc.rs:398:40
[INFO] [stderr]     |
[INFO] [stderr] 398 |                 let eos = s.find('\0').unwrap_or(s.len());
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| s.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/mc.rs:621:13
[INFO] [stderr]     |
[INFO] [stderr] 621 | /             match free {
[INFO] [stderr] 622 | |                 true => 0xa0,
[INFO] [stderr] 623 | |                 false => 0x50,
[INFO] [stderr] 624 | |             };
[INFO] [stderr]     | |_____________^ help: consider using an if/else expression: `if free { 0xa0 } else { 0x50 }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:653:21
[INFO] [stderr]     |
[INFO] [stderr] 653 |                     (b - 1) as u16
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: try: `u16::from(b - 1)`
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/mc.rs:621:13
[INFO] [stderr]     |
[INFO] [stderr] 621 | /             match free {
[INFO] [stderr] 622 | |                 true => 0xa0,
[INFO] [stderr] 623 | |                 false => 0x50,
[INFO] [stderr] 624 | |             };
[INFO] [stderr]     | |_____________^ help: consider using an if/else expression: `if free { 0xa0 } else { 0x50 }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:653:21
[INFO] [stderr]     |
[INFO] [stderr] 653 |                     (b - 1) as u16
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: try: `u16::from(b - 1)`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:697:14
[INFO] [stderr]     |
[INFO] [stderr] 697 |     let b0 = b[0] as u32;
[INFO] [stderr]     |              ^^^^^^^^^^^ help: try: `u32::from(b[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:698:14
[INFO] [stderr]     |
[INFO] [stderr] 698 |     let b1 = b[1] as u32;
[INFO] [stderr]     |              ^^^^^^^^^^^ help: try: `u32::from(b[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:699:14
[INFO] [stderr]     |
[INFO] [stderr] 699 |     let b2 = b[2] as u32;
[INFO] [stderr]     |              ^^^^^^^^^^^ help: try: `u32::from(b[2])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:700:14
[INFO] [stderr]     |
[INFO] [stderr] 700 |     let b3 = b[3] as u32;
[INFO] [stderr]     |              ^^^^^^^^^^^ help: try: `u32::from(b[3])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:697:14
[INFO] [stderr]     |
[INFO] [stderr] 697 |     let b0 = b[0] as u32;
[INFO] [stderr]     |              ^^^^^^^^^^^ help: try: `u32::from(b[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:698:14
[INFO] [stderr]     |
[INFO] [stderr] 698 |     let b1 = b[1] as u32;
[INFO] [stderr]     |              ^^^^^^^^^^^ help: try: `u32::from(b[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:699:14
[INFO] [stderr]     |
[INFO] [stderr] 699 |     let b2 = b[2] as u32;
[INFO] [stderr]     |              ^^^^^^^^^^^ help: try: `u32::from(b[2])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:700:14
[INFO] [stderr]     |
[INFO] [stderr] 700 |     let b3 = b[3] as u32;
[INFO] [stderr]     |              ^^^^^^^^^^^ help: try: `u32::from(b[3])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:707:14
[INFO] [stderr]     |
[INFO] [stderr] 707 |     let b0 = b[0] as u16;
[INFO] [stderr]     |              ^^^^^^^^^^^ help: try: `u16::from(b[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:708:14
[INFO] [stderr]     |
[INFO] [stderr] 708 |     let b1 = b[1] as u16;
[INFO] [stderr]     |              ^^^^^^^^^^^ help: try: `u16::from(b[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:707:14
[INFO] [stderr]     |
[INFO] [stderr] 707 |     let b0 = b[0] as u16;
[INFO] [stderr]     |              ^^^^^^^^^^^ help: try: `u16::from(b[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/mc.rs:708:14
[INFO] [stderr]     |
[INFO] [stderr] 708 |     let b1 = b[1] as u16;
[INFO] [stderr]     |              ^^^^^^^^^^^ help: try: `u16::from(b[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/mc.rs:769:9
[INFO] [stderr]     |
[INFO] [stderr] 769 | /         match self {
[INFO] [stderr] 770 | |             &Error::BadFileName(ref s) =>
[INFO] [stderr] 771 | |                 write!(f, "Invalid file name: {}", s),
[INFO] [stderr] 772 | |             &Error::OutOfFreeBlocks(need, have) =>
[INFO] [stderr] ...   |
[INFO] [stderr] 790 | |             &Error::IoError(ref e) => write!(f, "{}", e),
[INFO] [stderr] 791 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 769 |         match *self {
[INFO] [stderr] 770 |             Error::BadFileName(ref s) =>
[INFO] [stderr] 771 |                 write!(f, "Invalid file name: {}", s),
[INFO] [stderr] 772 |             Error::OutOfFreeBlocks(need, have) =>
[INFO] [stderr] 773 |                 write!(f, "Not enough free blocks ({}/{})", need, have),
[INFO] [stderr] 774 |             Error::FileTooBig =>
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/main.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |       if let Err(_) = cmd(&args) {
[INFO] [stderr]    |  _____-      ^^^^^^
[INFO] [stderr] 27 | |         exit(1);
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____- help: try this: `if cmd(&args).is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/mc.rs:769:9
[INFO] [stderr]     |
[INFO] [stderr] 769 | /         match self {
[INFO] [stderr] 770 | |             &Error::BadFileName(ref s) =>
[INFO] [stderr] 771 | |                 write!(f, "Invalid file name: {}", s),
[INFO] [stderr] 772 | |             &Error::OutOfFreeBlocks(need, have) =>
[INFO] [stderr] ...   |
[INFO] [stderr] 790 | |             &Error::IoError(ref e) => write!(f, "{}", e),
[INFO] [stderr] 791 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 769 |         match *self {
[INFO] [stderr] 770 |             Error::BadFileName(ref s) =>
[INFO] [stderr] 771 |                 write!(f, "Invalid file name: {}", s),
[INFO] [stderr] 772 |             Error::OutOfFreeBlocks(need, have) =>
[INFO] [stderr] 773 |                 write!(f, "Not enough free blocks ({}/{})", need, have),
[INFO] [stderr] 774 |             Error::FileTooBig =>
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/main.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |       if let Err(_) = cmd(&args) {
[INFO] [stderr]    |  _____-      ^^^^^^
[INFO] [stderr] 27 | |         exit(1);
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____- help: try this: `if cmd(&args).is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:132:21
[INFO] [stderr]     |
[INFO] [stderr] 132 |                     format!("bogus!")
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"bogus!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `write_all` doesn't need a mutable reference
[INFO] [stderr]    --> src/main.rs:287:33
[INFO] [stderr]     |
[INFO] [stderr] 287 |     if let Err(e) = f.write_all(&mut data) {
[INFO] [stderr]     |                                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/main.rs:307:18
[INFO] [stderr]     |
[INFO] [stderr] 307 | static COMMANDS: [(&'static str, fn(&[String]) -> Result<(), ()>); 9] = [
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:132:21
[INFO] [stderr]     |
[INFO] [stderr] 132 |                     format!("bogus!")
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"bogus!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `write_all` doesn't need a mutable reference
[INFO] [stderr]    --> src/main.rs:287:33
[INFO] [stderr]     |
[INFO] [stderr] 287 |     if let Err(e) = f.write_all(&mut data) {
[INFO] [stderr]     |                                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/main.rs:307:18
[INFO] [stderr]     |
[INFO] [stderr] 307 | static COMMANDS: [(&'static str, fn(&[String]) -> Result<(), ()>); 9] = [
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "07f7a49a882ea957b5b39bc9d39e0e352b5d16e8c7edf787907d1a085b5e63be"`
[INFO] running `"docker" "rm" "-f" "07f7a49a882ea957b5b39bc9d39e0e352b5d16e8c7edf787907d1a085b5e63be"`
[INFO] [stdout] 07f7a49a882ea957b5b39bc9d39e0e352b5d16e8c7edf787907d1a085b5e63be