[INFO] crate rlife 0.1.0 is already in cache
[INFO] extracting crate rlife 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/rlife/0.1.0
[INFO] extracting crate rlife 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rlife/0.1.0
[INFO] validating manifest of rlife-0.1.0 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 rlife-0.1.0 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 rlife-0.1.0
[INFO] finished frobbing rlife-0.1.0
[INFO] frobbed toml for rlife-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/rlife/0.1.0/Cargo.toml
[INFO] started frobbing rlife-0.1.0
[INFO] finished frobbing rlife-0.1.0
[INFO] frobbed toml for rlife-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rlife/0.1.0/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 rlife-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/rlife/0.1.0:/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] 05c59d79af30c9261fc8668158c7d7b672e9a0f4b19aafe71cf11adc3fafb34d
[INFO] running `"docker" "start" "-a" "05c59d79af30c9261fc8668158c7d7b672e9a0f4b19aafe71cf11adc3fafb34d"`
[INFO] [stderr]     Checking rlife v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/lib.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |             write!(f, "\n")?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/lib.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |             write!(f, "\n")?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/processing.rs:75:24
[INFO] [stderr]    |
[INFO] [stderr] 75 |                   } else {
[INFO] [stderr]    |  ________________________^
[INFO] [stderr] 76 | |                     if self.get_birth().contains(&living_cells_around) {
[INFO] [stderr] 77 | |                         grid.set_cell_state(row, col, true).unwrap(); // Shouldn't fail
[INFO] [stderr] 78 | |                     } // else: remains false
[INFO] [stderr] 79 | |                 }
[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] 75 |                 } else if self.get_birth().contains(&living_cells_around) {
[INFO] [stderr] 76 |     grid.set_cell_state(row, col, true).unwrap(); // Shouldn't fail
[INFO] [stderr] 77 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/processing.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |                   } else {
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 125 | |                     if self.get_birth().contains(&living_cells_around) {
[INFO] [stderr] 126 | |                         grid.set_cell_state(
[INFO] [stderr] 127 | |                             (row as i64 + vertical_offset) as usize,
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |                     } // else: remains false
[INFO] [stderr] 132 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[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] 124 |                 } else if self.get_birth().contains(&living_cells_around) {
[INFO] [stderr] 125 |     grid.set_cell_state(
[INFO] [stderr] 126 |         (row as i64 + vertical_offset) as usize,
[INFO] [stderr] 127 |         (col as i64 + horizontal_offset) as usize,
[INFO] [stderr] 128 |         true,
[INFO] [stderr] 129 |     ).unwrap(); // Shouldn't fail
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/processing.rs:75:24
[INFO] [stderr]    |
[INFO] [stderr] 75 |                   } else {
[INFO] [stderr]    |  ________________________^
[INFO] [stderr] 76 | |                     if self.get_birth().contains(&living_cells_around) {
[INFO] [stderr] 77 | |                         grid.set_cell_state(row, col, true).unwrap(); // Shouldn't fail
[INFO] [stderr] 78 | |                     } // else: remains false
[INFO] [stderr] 79 | |                 }
[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] 75 |                 } else if self.get_birth().contains(&living_cells_around) {
[INFO] [stderr] 76 |     grid.set_cell_state(row, col, true).unwrap(); // Shouldn't fail
[INFO] [stderr] 77 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/processing.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |                   } else {
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 125 | |                     if self.get_birth().contains(&living_cells_around) {
[INFO] [stderr] 126 | |                         grid.set_cell_state(
[INFO] [stderr] 127 | |                             (row as i64 + vertical_offset) as usize,
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |                     } // else: remains false
[INFO] [stderr] 132 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[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] 124 |                 } else if self.get_birth().contains(&living_cells_around) {
[INFO] [stderr] 125 |     grid.set_cell_state(
[INFO] [stderr] 126 |         (row as i64 + vertical_offset) as usize,
[INFO] [stderr] 127 |         (col as i64 + horizontal_offset) as usize,
[INFO] [stderr] 128 |         true,
[INFO] [stderr] 129 |     ).unwrap(); // Shouldn't fail
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]    --> src/file.rs:145:23
[INFO] [stderr]     |
[INFO] [stderr] 145 |           let ruleset = ruleset_line
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 146 | |             .split_whitespace()
[INFO] [stderr] 147 | |             .filter(|s| *s != "#R")
[INFO] [stderr] 148 | |             .next()
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::filter_next)] on by default
[INFO] [stderr]     = note: replace `filter(|s| *s != "#R").next()` with `find(|s| *s != "#R")`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]    --> src/file.rs:226:23
[INFO] [stderr]     |
[INFO] [stderr] 226 |           let ruleset = ruleset_line
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 227 | |             .split_whitespace()
[INFO] [stderr] 228 | |             .filter(|s| *s != "#R")
[INFO] [stderr] 229 | |             .next()
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: replace `filter(|s| *s != "#R").next()` with `find(|s| *s != "#R")`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/file.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 | /     let mut brth: Vec<u8> = Vec::new();
[INFO] [stderr] 313 | |     if *lines.front().unwrap() == "#N" {
[INFO] [stderr] 314 | |         lines.pop_front().unwrap();
[INFO] [stderr] 315 | |         srvl = vec![2, 3];
[INFO] [stderr] ...   |
[INFO] [stderr] 332 | |         }
[INFO] [stderr] 333 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> brth = if *lines.front().unwrap() == "#N" { ..; < [ _ ] > :: into_vec ( box [ $ ( $ x ) , * ] ) } else { ..; Vec::new() };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]    --> src/file.rs:319:23
[INFO] [stderr]     |
[INFO] [stderr] 319 |           let ruleset = ruleset_line
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 320 | |             .split_whitespace()
[INFO] [stderr] 321 | |             .filter(|s| *s != "#R")
[INFO] [stderr] 322 | |             .next()
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: replace `filter(|s| *s != "#R").next()` with `find(|s| *s != "#R")`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/file.rs:324:48
[INFO] [stderr]     |
[INFO] [stderr] 324 |         let ruleset: Vec<&str> = ruleset.split("/").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: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/file.rs:389:5
[INFO] [stderr]     |
[INFO] [stderr] 389 | /     let mut brth: Vec<u8> = Vec::new();
[INFO] [stderr] 390 | |     if *lines.front().unwrap() == "#N" {
[INFO] [stderr] 391 | |         lines.pop_front().unwrap();
[INFO] [stderr] 392 | |         srvl = vec![2, 3];
[INFO] [stderr] ...   |
[INFO] [stderr] 409 | |         }
[INFO] [stderr] 410 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> brth = if *lines.front().unwrap() == "#N" { ..; < [ _ ] > :: into_vec ( box [ $ ( $ x ) , * ] ) } else { ..; Vec::new() };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]    --> src/file.rs:396:23
[INFO] [stderr]     |
[INFO] [stderr] 396 |           let ruleset = ruleset_line
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 397 | |             .split_whitespace()
[INFO] [stderr] 398 | |             .filter(|s| *s != "#R")
[INFO] [stderr] 399 | |             .next()
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: replace `filter(|s| *s != "#R").next()` with `find(|s| *s != "#R")`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/file.rs:401:48
[INFO] [stderr]     |
[INFO] [stderr] 401 |         let ruleset: Vec<&str> = ruleset.split("/").collect();
[INFO] [stderr]     |                                                ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]     |
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:52:15
[INFO] [stderr]    |
[INFO] [stderr] 52 |         frmt: &String,
[INFO] [stderr]    |               ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 52 |         frmt: &str,
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] help: change `frmt.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 63 |             format: frmt.to_string(),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/lib.rs:54:15
[INFO] [stderr]    |
[INFO] [stderr] 54 |         srvl: &Vec<u8>,
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 54 |         srvl: &[u8],
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] help: change `srvl.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 65 |             survival: srvl.to_owned(),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/lib.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |         brth: &Vec<u8>,
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 55 |         brth: &[u8],
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] help: change `brth.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 66 |             birth: brth.to_owned(),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:78:15
[INFO] [stderr]    |
[INFO] [stderr] 78 |         frmt: &String,
[INFO] [stderr]    |               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/lib.rs:80:15
[INFO] [stderr]    |
[INFO] [stderr] 80 |         srvl: &Vec<u8>,
[INFO] [stderr]    |               ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/lib.rs:81:15
[INFO] [stderr]    |
[INFO] [stderr] 81 |         brth: &Vec<u8>,
[INFO] [stderr]    |               ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:96:40
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn set_format(&mut self, frmt: &String) {
[INFO] [stderr]    |                                        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn set_format(&mut self, frmt: &str) {
[INFO] [stderr]    |                                        ^^^^
[INFO] [stderr] help: change `frmt.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 97 |         self.format = frmt.to_string();
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:111:42
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn set_survival(&mut self, srvl: &Vec<u8>) {
[INFO] [stderr]     |                                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn set_survival(&mut self, srvl: &[u8]) {
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] help: change `srvl.clone()` to
[INFO] [stderr]     |
[INFO] [stderr] 112 |         self.survival = srvl.to_owned();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:121:39
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn set_birth(&mut self, brth: &Vec<u8>) {
[INFO] [stderr]     |                                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn set_birth(&mut self, brth: &[u8]) {
[INFO] [stderr]     |                                       ^^^^^
[INFO] [stderr] help: change `brth.clone()` to
[INFO] [stderr]     |
[INFO] [stderr] 122 |         self.birth = brth.to_owned();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]    --> src/file.rs:145:23
[INFO] [stderr]     |
[INFO] [stderr] 145 |           let ruleset = ruleset_line
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 146 | |             .split_whitespace()
[INFO] [stderr] 147 | |             .filter(|s| *s != "#R")
[INFO] [stderr] 148 | |             .next()
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::filter_next)] on by default
[INFO] [stderr]     = note: replace `filter(|s| *s != "#R").next()` with `find(|s| *s != "#R")`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]    --> src/file.rs:226:23
[INFO] [stderr]     |
[INFO] [stderr] 226 |           let ruleset = ruleset_line
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 227 | |             .split_whitespace()
[INFO] [stderr] 228 | |             .filter(|s| *s != "#R")
[INFO] [stderr] 229 | |             .next()
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: replace `filter(|s| *s != "#R").next()` with `find(|s| *s != "#R")`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/file.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 | /     let mut brth: Vec<u8> = Vec::new();
[INFO] [stderr] 313 | |     if *lines.front().unwrap() == "#N" {
[INFO] [stderr] 314 | |         lines.pop_front().unwrap();
[INFO] [stderr] 315 | |         srvl = vec![2, 3];
[INFO] [stderr] ...   |
[INFO] [stderr] 332 | |         }
[INFO] [stderr] 333 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> brth = if *lines.front().unwrap() == "#N" { ..; < [ _ ] > :: into_vec ( box [ $ ( $ x ) , * ] ) } else { ..; Vec::new() };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]    --> src/file.rs:319:23
[INFO] [stderr]     |
[INFO] [stderr] 319 |           let ruleset = ruleset_line
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 320 | |             .split_whitespace()
[INFO] [stderr] 321 | |             .filter(|s| *s != "#R")
[INFO] [stderr] 322 | |             .next()
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: replace `filter(|s| *s != "#R").next()` with `find(|s| *s != "#R")`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/file.rs:324:48
[INFO] [stderr]     |
[INFO] [stderr] 324 |         let ruleset: Vec<&str> = ruleset.split("/").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: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/file.rs:389:5
[INFO] [stderr]     |
[INFO] [stderr] 389 | /     let mut brth: Vec<u8> = Vec::new();
[INFO] [stderr] 390 | |     if *lines.front().unwrap() == "#N" {
[INFO] [stderr] 391 | |         lines.pop_front().unwrap();
[INFO] [stderr] 392 | |         srvl = vec![2, 3];
[INFO] [stderr] ...   |
[INFO] [stderr] 409 | |         }
[INFO] [stderr] 410 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> brth = if *lines.front().unwrap() == "#N" { ..; < [ _ ] > :: into_vec ( box [ $ ( $ x ) , * ] ) } else { ..; Vec::new() };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]    --> src/file.rs:396:23
[INFO] [stderr]     |
[INFO] [stderr] 396 |           let ruleset = ruleset_line
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 397 | |             .split_whitespace()
[INFO] [stderr] 398 | |             .filter(|s| *s != "#R")
[INFO] [stderr] 399 | |             .next()
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: replace `filter(|s| *s != "#R").next()` with `find(|s| *s != "#R")`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/file.rs:401:48
[INFO] [stderr]     |
[INFO] [stderr] 401 |         let ruleset: Vec<&str> = ruleset.split("/").collect();
[INFO] [stderr]     |                                                ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]     |
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:52:15
[INFO] [stderr]    |
[INFO] [stderr] 52 |         frmt: &String,
[INFO] [stderr]    |               ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 52 |         frmt: &str,
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] help: change `frmt.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 63 |             format: frmt.to_string(),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/lib.rs:54:15
[INFO] [stderr]    |
[INFO] [stderr] 54 |         srvl: &Vec<u8>,
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 54 |         srvl: &[u8],
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] help: change `srvl.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 65 |             survival: srvl.to_owned(),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/lib.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |         brth: &Vec<u8>,
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 55 |         brth: &[u8],
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] help: change `brth.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 66 |             birth: brth.to_owned(),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:78:15
[INFO] [stderr]    |
[INFO] [stderr] 78 |         frmt: &String,
[INFO] [stderr]    |               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/lib.rs:80:15
[INFO] [stderr]    |
[INFO] [stderr] 80 |         srvl: &Vec<u8>,
[INFO] [stderr]    |               ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/lib.rs:81:15
[INFO] [stderr]    |
[INFO] [stderr] 81 |         brth: &Vec<u8>,
[INFO] [stderr]    |               ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:96:40
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn set_format(&mut self, frmt: &String) {
[INFO] [stderr]    |                                        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn set_format(&mut self, frmt: &str) {
[INFO] [stderr]    |                                        ^^^^
[INFO] [stderr] help: change `frmt.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 97 |         self.format = frmt.to_string();
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:111:42
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn set_survival(&mut self, srvl: &Vec<u8>) {
[INFO] [stderr]     |                                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn set_survival(&mut self, srvl: &[u8]) {
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] help: change `srvl.clone()` to
[INFO] [stderr]     |
[INFO] [stderr] 112 |         self.survival = srvl.to_owned();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:121:39
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn set_birth(&mut self, brth: &Vec<u8>) {
[INFO] [stderr]     |                                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn set_birth(&mut self, brth: &[u8]) {
[INFO] [stderr]     |                                       ^^^^^
[INFO] [stderr] help: change `brth.clone()` to
[INFO] [stderr]     |
[INFO] [stderr] 122 |         self.birth = brth.to_owned();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 32
[INFO] [stderr]   --> tests/sanity_check.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / fn test_toroidal_load_file() {
[INFO] [stderr] 9  | |     let grid = Grid::from_file("tests/input_files/sanity_check_toroidal.life").unwrap();
[INFO] [stderr] 10 | |
[INFO] [stderr] 11 | |     // Check the `Grid` is correct
[INFO] [stderr] ...  |
[INFO] [stderr] 43 | |     assert_eq!(false, grid.get_cell_state(4, 4));
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]    = help: you could split it up into multiple smaller functions
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 32
[INFO] [stderr]   --> tests/sanity_check.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | / fn test_toroidal_next_gen() {
[INFO] [stderr] 48 | |     let grid = Grid::from_file("tests/input_files/sanity_check_toroidal.life").unwrap();
[INFO] [stderr] 49 | |
[INFO] [stderr] 50 | |     let new_grid = grid.next_gen();
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |     assert_eq!(false, new_grid.get_cell_state(4, 4));
[INFO] [stderr] 85 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: you could split it up into multiple smaller functions
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 42
[INFO] [stderr]    --> tests/sanity_check.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | / fn test_resizable_next_gen() {
[INFO] [stderr] 137 | |     let grid = Grid::from_file("tests/input_files/sanity_check_resizable.life").unwrap();
[INFO] [stderr] 138 | |
[INFO] [stderr] 139 | |     let new_grid = grid.next_gen();
[INFO] [stderr] ...   |
[INFO] [stderr] 183 | |     assert_eq!(false, new_grid.get_cell_state(4, 6));
[INFO] [stderr] 184 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `"docker" "inspect" "05c59d79af30c9261fc8668158c7d7b672e9a0f4b19aafe71cf11adc3fafb34d"`
[INFO] running `"docker" "rm" "-f" "05c59d79af30c9261fc8668158c7d7b672e9a0f4b19aafe71cf11adc3fafb34d"`
[INFO] [stdout] 05c59d79af30c9261fc8668158c7d7b672e9a0f4b19aafe71cf11adc3fafb34d