[INFO] updating cached repository mandreyel/kilo-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mandreyel/kilo-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mandreyel/kilo-rust" "work/ex/clippy-test-run/sources/stable/gh/mandreyel/kilo-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/mandreyel/kilo-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mandreyel/kilo-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mandreyel/kilo-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mandreyel/kilo-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0e8b086a20b0b72926a6a28550fdcac036eec1b4
[INFO] sha for GitHub repo mandreyel/kilo-rust: 0e8b086a20b0b72926a6a28550fdcac036eec1b4
[INFO] validating manifest of mandreyel/kilo-rust 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 mandreyel/kilo-rust 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 mandreyel/kilo-rust
[INFO] finished frobbing mandreyel/kilo-rust
[INFO] frobbed toml for mandreyel/kilo-rust written to work/ex/clippy-test-run/sources/stable/gh/mandreyel/kilo-rust/Cargo.toml
[INFO] started frobbing mandreyel/kilo-rust
[INFO] finished frobbing mandreyel/kilo-rust
[INFO] frobbed toml for mandreyel/kilo-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mandreyel/kilo-rust/Cargo.toml
[INFO] crate mandreyel/kilo-rust 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 mandreyel/kilo-rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/mandreyel/kilo-rust:/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] 29d7b484d40ece925a578ed8e1660bac792480950fb62481bff454724f9e2885
[INFO] running `"docker" "start" "-a" "29d7b484d40ece925a578ed8e1660bac792480950fb62481bff454724f9e2885"`
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]     Checking kilo-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |             config: config,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `config`
[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/main.rs:134:13
[INFO] [stderr]     |
[INFO] [stderr] 134 |             path: path,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `path`
[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/main.rs:695:13
[INFO] [stderr]     |
[INFO] [stderr] 695 |             timeout: timeout,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `timeout`
[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/main.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |             config: config,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `config`
[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/main.rs:134:13
[INFO] [stderr]     |
[INFO] [stderr] 134 |             path: path,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `path`
[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/main.rs:695:13
[INFO] [stderr]     |
[INFO] [stderr] 695 |             timeout: timeout,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `timeout`
[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/main.rs:379:20
[INFO] [stderr]     |
[INFO] [stderr] 379 |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 380 | |                 if line.len() <= self.window_width {
[INFO] [stderr] 381 | |                     let col = {
[INFO] [stderr] 382 | |                         if self.cursor.is_at_eol {
[INFO] [stderr] ...   |
[INFO] [stderr] 406 | |                 }
[INFO] [stderr] 407 | |             }
[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] 379 |             } else if line.len() <= self.window_width {
[INFO] [stderr] 380 |     let col = {
[INFO] [stderr] 381 |         if self.cursor.is_at_eol {
[INFO] [stderr] 382 |             line.len() - 1
[INFO] [stderr] 383 |         } else {
[INFO] [stderr] 384 |             cmp::min(line.len() - 1, self.cursor.pos.col)
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:500:17
[INFO] [stderr]     |
[INFO] [stderr] 500 | /                 return if c == '~' {
[INFO] [stderr] 501 | |                     let c = buf[1] as char;
[INFO] [stderr] 502 | |                     match c {
[INFO] [stderr] 503 | |                         '1' | '7' => Some(Key::LineHome),
[INFO] [stderr] ...   |
[INFO] [stderr] 509 | |                     }
[INFO] [stderr] 510 | |                 } else { None };
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 500 |                 if c == '~' {
[INFO] [stderr] 501 |                     let c = buf[1] as char;
[INFO] [stderr] 502 |                     match c {
[INFO] [stderr] 503 |                         '1' | '7' => Some(Key::LineHome),
[INFO] [stderr] 504 |                         '4' | '8' => Some(Key::LineEnd),
[INFO] [stderr] 505 |                         '3' => Some(Key::Delete),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:379:20
[INFO] [stderr]     |
[INFO] [stderr] 379 |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 380 | |                 if line.len() <= self.window_width {
[INFO] [stderr] 381 | |                     let col = {
[INFO] [stderr] 382 | |                         if self.cursor.is_at_eol {
[INFO] [stderr] ...   |
[INFO] [stderr] 406 | |                 }
[INFO] [stderr] 407 | |             }
[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] 379 |             } else if line.len() <= self.window_width {
[INFO] [stderr] 380 |     let col = {
[INFO] [stderr] 381 |         if self.cursor.is_at_eol {
[INFO] [stderr] 382 |             line.len() - 1
[INFO] [stderr] 383 |         } else {
[INFO] [stderr] 384 |             cmp::min(line.len() - 1, self.cursor.pos.col)
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:500:17
[INFO] [stderr]     |
[INFO] [stderr] 500 | /                 return if c == '~' {
[INFO] [stderr] 501 | |                     let c = buf[1] as char;
[INFO] [stderr] 502 | |                     match c {
[INFO] [stderr] 503 | |                         '1' | '7' => Some(Key::LineHome),
[INFO] [stderr] ...   |
[INFO] [stderr] 509 | |                     }
[INFO] [stderr] 510 | |                 } else { None };
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 500 |                 if c == '~' {
[INFO] [stderr] 501 |                     let c = buf[1] as char;
[INFO] [stderr] 502 |                     match c {
[INFO] [stderr] 503 |                         '1' | '7' => Some(Key::LineHome),
[INFO] [stderr] 504 |                         '4' | '8' => Some(Key::LineEnd),
[INFO] [stderr] 505 |                         '3' => Some(Key::Delete),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FileHome`
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     FileHome,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FileEnd`
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     FileEnd,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:153:41
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let lines = buf.split(|b| *b == '\n' as u8);
[INFO] [stderr]     |                                         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\n'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]    --> src/main.rs:187:20
[INFO] [stderr]     |
[INFO] [stderr] 187 |               if let Ok(_) = io::stdin().read_exact(&mut buf) {
[INFO] [stderr]     |  _____________-      ^^^^^
[INFO] [stderr] 188 | |                 let b = buf[0];
[INFO] [stderr] 189 | |                 if b as char == ctrl_mask('c') {
[INFO] [stderr] 190 | |                     break;
[INFO] [stderr] ...   |
[INFO] [stderr] 195 | |                 break;
[INFO] [stderr] 196 | |             }
[INFO] [stderr]     | |_____________- help: try this: `if io::stdin().read_exact(&mut buf).is_ok()`
[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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/main.rs:487:16
[INFO] [stderr]     |
[INFO] [stderr] 487 |           if let Err(_) = io::stdin().read_exact(&mut buf[..2]) {
[INFO] [stderr]     |  _________-      ^^^^^^
[INFO] [stderr] 488 | |             return None;
[INFO] [stderr] 489 | |         }
[INFO] [stderr]     | |_________- help: try this: `if io::stdin().read_exact(&mut buf[..2]).is_err()`
[INFO] [stderr]     |
[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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/main.rs:495:24
[INFO] [stderr]     |
[INFO] [stderr] 495 |                   if let Err(_) = io::stdin().read_exact(&mut buf[2..3]) {
[INFO] [stderr]     |  _________________-      ^^^^^^
[INFO] [stderr] 496 | |                     return None;
[INFO] [stderr] 497 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if io::stdin().read_exact(&mut buf[2..3]).is_err()`
[INFO] [stderr]     |
[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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:562:29
[INFO] [stderr]     |
[INFO] [stderr] 562 |                 render.push(' ' as u8);
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b' '
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:564:33
[INFO] [stderr]     |
[INFO] [stderr] 564 |                     render.push(' ' as u8);
[INFO] [stderr]     |                                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b' '
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]    --> src/main.rs:602:43
[INFO] [stderr]     |
[INFO] [stderr] 602 |                     self.write_buf.extend(" ".as_bytes());
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b" "`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:610:29
[INFO] [stderr]     |
[INFO] [stderr] 610 |                     assert!(row.len() > 0);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!row.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: the operation is ineffective. Consider reducing it to `sep.len()`
[INFO] [stderr]    --> src/main.rs:668:74
[INFO] [stderr]     |
[INFO] [stderr] 668 |             let mut n_used_bytes = cursor_pos.len() + line_count.len() + sep.len() * 1;
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:678:33
[INFO] [stderr]     |
[INFO] [stderr] 678 |             self.write_buf.push(' ' as u8);
[INFO] [stderr]     |                                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b' '
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:715:9
[INFO] [stderr]     |
[INFO] [stderr] 715 |         io::stdout().write(&self.write_buf).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:777:13
[INFO] [stderr]     |
[INFO] [stderr] 777 | /             match r {
[INFO] [stderr] 778 | |                 Ok(c) => {
[INFO] [stderr] 779 | |                     if c == 'R' as u8 {
[INFO] [stderr] 780 | |                         break;
[INFO] [stderr] ...   |
[INFO] [stderr] 785 | |                 Err(_) => (),
[INFO] [stderr] 786 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 777 |             if let Ok(c) = r {
[INFO] [stderr] 778 |     if c == 'R' as u8 {
[INFO] [stderr] 779 |         break;
[INFO] [stderr] 780 |     } else {
[INFO] [stderr] 781 |         response.push(c as char);
[INFO] [stderr] 782 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:779:29
[INFO] [stderr]     |
[INFO] [stderr] 779 |                     if c == 'R' as u8 {
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'R'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:832:5
[INFO] [stderr]     |
[INFO] [stderr] 832 |     file.write("\n>>NEW LOG ENTRY\n".as_bytes()).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:833:5
[INFO] [stderr]     |
[INFO] [stderr] 833 |     file.write(&buf).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:834:5
[INFO] [stderr]     |
[INFO] [stderr] 834 |     file.write("\n".as_bytes()).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `kilo-rust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variant is never constructed: `FileHome`
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     FileHome,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FileEnd`
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     FileEnd,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:153:41
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let lines = buf.split(|b| *b == '\n' as u8);
[INFO] [stderr]     |                                         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\n'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]    --> src/main.rs:187:20
[INFO] [stderr]     |
[INFO] [stderr] 187 |               if let Ok(_) = io::stdin().read_exact(&mut buf) {
[INFO] [stderr]     |  _____________-      ^^^^^
[INFO] [stderr] 188 | |                 let b = buf[0];
[INFO] [stderr] 189 | |                 if b as char == ctrl_mask('c') {
[INFO] [stderr] 190 | |                     break;
[INFO] [stderr] ...   |
[INFO] [stderr] 195 | |                 break;
[INFO] [stderr] 196 | |             }
[INFO] [stderr]     | |_____________- help: try this: `if io::stdin().read_exact(&mut buf).is_ok()`
[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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/main.rs:487:16
[INFO] [stderr]     |
[INFO] [stderr] 487 |           if let Err(_) = io::stdin().read_exact(&mut buf[..2]) {
[INFO] [stderr]     |  _________-      ^^^^^^
[INFO] [stderr] 488 | |             return None;
[INFO] [stderr] 489 | |         }
[INFO] [stderr]     | |_________- help: try this: `if io::stdin().read_exact(&mut buf[..2]).is_err()`
[INFO] [stderr]     |
[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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/main.rs:495:24
[INFO] [stderr]     |
[INFO] [stderr] 495 |                   if let Err(_) = io::stdin().read_exact(&mut buf[2..3]) {
[INFO] [stderr]     |  _________________-      ^^^^^^
[INFO] [stderr] 496 | |                     return None;
[INFO] [stderr] 497 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if io::stdin().read_exact(&mut buf[2..3]).is_err()`
[INFO] [stderr]     |
[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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:562:29
[INFO] [stderr]     |
[INFO] [stderr] 562 |                 render.push(' ' as u8);
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b' '
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:564:33
[INFO] [stderr]     |
[INFO] [stderr] 564 |                     render.push(' ' as u8);
[INFO] [stderr]     |                                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b' '
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]    --> src/main.rs:602:43
[INFO] [stderr]     |
[INFO] [stderr] 602 |                     self.write_buf.extend(" ".as_bytes());
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b" "`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:610:29
[INFO] [stderr]     |
[INFO] [stderr] 610 |                     assert!(row.len() > 0);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!row.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: the operation is ineffective. Consider reducing it to `sep.len()`
[INFO] [stderr]    --> src/main.rs:668:74
[INFO] [stderr]     |
[INFO] [stderr] 668 |             let mut n_used_bytes = cursor_pos.len() + line_count.len() + sep.len() * 1;
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:678:33
[INFO] [stderr]     |
[INFO] [stderr] 678 |             self.write_buf.push(' ' as u8);
[INFO] [stderr]     |                                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b' '
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:715:9
[INFO] [stderr]     |
[INFO] [stderr] 715 |         io::stdout().write(&self.write_buf).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:777:13
[INFO] [stderr]     |
[INFO] [stderr] 777 | /             match r {
[INFO] [stderr] 778 | |                 Ok(c) => {
[INFO] [stderr] 779 | |                     if c == 'R' as u8 {
[INFO] [stderr] 780 | |                         break;
[INFO] [stderr] ...   |
[INFO] [stderr] 785 | |                 Err(_) => (),
[INFO] [stderr] 786 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 777 |             if let Ok(c) = r {
[INFO] [stderr] 778 |     if c == 'R' as u8 {
[INFO] [stderr] 779 |         break;
[INFO] [stderr] 780 |     } else {
[INFO] [stderr] 781 |         response.push(c as char);
[INFO] [stderr] 782 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:779:29
[INFO] [stderr]     |
[INFO] [stderr] 779 |                     if c == 'R' as u8 {
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'R'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:832:5
[INFO] [stderr]     |
[INFO] [stderr] 832 |     file.write("\n>>NEW LOG ENTRY\n".as_bytes()).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:833:5
[INFO] [stderr]     |
[INFO] [stderr] 833 |     file.write(&buf).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:834:5
[INFO] [stderr]     |
[INFO] [stderr] 834 |     file.write("\n".as_bytes()).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `kilo-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "29d7b484d40ece925a578ed8e1660bac792480950fb62481bff454724f9e2885"`
[INFO] running `"docker" "rm" "-f" "29d7b484d40ece925a578ed8e1660bac792480950fb62481bff454724f9e2885"`
[INFO] [stdout] 29d7b484d40ece925a578ed8e1660bac792480950fb62481bff454724f9e2885