[INFO] updating cached repository theHooloovoo/Game_of_Life-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/theHooloovoo/Game_of_Life-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/theHooloovoo/Game_of_Life-Rust" "work/ex/clippy-test-run/sources/stable/gh/theHooloovoo/Game_of_Life-Rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/theHooloovoo/Game_of_Life-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/theHooloovoo/Game_of_Life-Rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/theHooloovoo/Game_of_Life-Rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/theHooloovoo/Game_of_Life-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 959f41d6a578a988c02609bc41a57a9eb598910c
[INFO] sha for GitHub repo theHooloovoo/Game_of_Life-Rust: 959f41d6a578a988c02609bc41a57a9eb598910c
[INFO] validating manifest of theHooloovoo/Game_of_Life-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 theHooloovoo/Game_of_Life-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 theHooloovoo/Game_of_Life-Rust
[INFO] finished frobbing theHooloovoo/Game_of_Life-Rust
[INFO] frobbed toml for theHooloovoo/Game_of_Life-Rust written to work/ex/clippy-test-run/sources/stable/gh/theHooloovoo/Game_of_Life-Rust/Cargo.toml
[INFO] started frobbing theHooloovoo/Game_of_Life-Rust
[INFO] finished frobbing theHooloovoo/Game_of_Life-Rust
[INFO] frobbed toml for theHooloovoo/Game_of_Life-Rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/theHooloovoo/Game_of_Life-Rust/Cargo.toml
[INFO] crate theHooloovoo/Game_of_Life-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 theHooloovoo/Game_of_Life-Rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/theHooloovoo/Game_of_Life-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] 92d561366af0367004045fc70be00bdb0b6fc42300d5a64a464f4b3fa3edaecd
[INFO] running `"docker" "start" "-a" "92d561366af0367004045fc70be00bdb0b6fc42300d5a64a464f4b3fa3edaecd"`
[INFO] [stderr]     Checking conway_rs v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/grid.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |             return (&self.pospos1, &mut self.pospos2);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(&self.pospos1, &mut self.pospos2)`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/grid.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             return (&self.pospos2, &mut self.pospos1);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(&self.pospos2, &mut self.pospos1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/reader.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/grid.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |             return (&self.pospos1, &mut self.pospos2);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(&self.pospos1, &mut self.pospos2)`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/grid.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             return (&self.pospos2, &mut self.pospos1);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(&self.pospos2, &mut self.pospos1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/reader.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `arg_file_name` is never read
[INFO] [stderr]   --> src/main.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut arg_file_name = "".to_string();
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `main_grid` is never read
[INFO] [stderr]   --> src/main.rs:58:25
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Ok(data) => main_grid = grid::Grid::load_from_file_data(data),
[INFO] [stderr]    |                         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cell_count` is never read
[INFO] [stderr]    --> src/grid.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut cell_count = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/grid.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 | /         let mut mat = &self.pospos1;
[INFO] [stderr] 43 | |         if self.state == false { mat = &self.pospos2; } 
[INFO] [stderr]    | |_______________________________________________________^ help: it is more idiomatic to write: `let <mut> mat = if self.state == false { &self.pospos2 } else { &self.pospos1 };`
[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: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/grid.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |         if self.state == false { mat = &self.pospos2; } 
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!self.state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[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/grid.rs:75:35
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn stamp(&mut self, data: &Vec<Vec<char>>, x_off: usize, y_off: usize) {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^ help: change this to: `&[Vec<char>]`
[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] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/grid.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         let mut mat = &mut self.pospos1;
[INFO] [stderr] 78 | |         if self.state == false { mat = &mut self.pospos2; }
[INFO] [stderr]    | |___________________________________________________________^ help: it is more idiomatic to write: `let <mut> mat = if self.state == false { &mut self.pospos2 } else { &mut self.pospos1 };`
[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: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/grid.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 |         if self.state == false { mat = &mut self.pospos2; }
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!self.state`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/grid.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |         if self.state == true {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `self.state`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]    --> src/grid.rs:138:40
[INFO] [stderr]     |
[INFO] [stderr] 138 |                     else               { back[y][x] = '1' } // Keep dead
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]    --> src/grid.rs:137:40
[INFO] [stderr]     |
[INFO] [stderr] 137 |                     if cell_count == 3 { back[y][x] = '1' } // Resserect
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]    --> src/grid.rs:141:59
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     else                                  { back[y][x] = '1' } // Kill
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: same as this
[INFO] [stderr]    --> src/grid.rs:140:59
[INFO] [stderr]     |
[INFO] [stderr] 140 |                     if cell_count == 2 || cell_count == 3 { back[y][x] = '1' } // Keep Alive
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/grid.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if self.state == true { self.state == false; }
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `self.state`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/grid.rs:150:33
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if self.state == true { self.state == false; }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: statement with no effect
[INFO] [stderr]    --> src/grid.rs:150:33
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if self.state == true { self.state == false; }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::no_effect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#no_effect
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]    --> src/grid.rs:150:33
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if self.state == true { self.state == false; }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!self.state`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/grid.rs:151:33
[INFO] [stderr]     |
[INFO] [stderr] 151 |         else                  { self.state == true;  }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: statement with no effect
[INFO] [stderr]    --> src/grid.rs:151:33
[INFO] [stderr]     |
[INFO] [stderr] 151 |         else                  { self.state == true;  }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#no_effect
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/grid.rs:151:33
[INFO] [stderr]     |
[INFO] [stderr] 151 |         else                  { self.state == true;  }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `self.state`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[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/reader.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     match file.read_to_string(&mut s) {
[INFO] [stderr] 23 | |         Err(why) => return Err("Couldn't write to file"),
[INFO] [stderr] 24 | |         Ok(_) => {},
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^ help: try this: `if let Err(why) = file.read_to_string(&mut s) { return Err("Couldn't write to file") }`
[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] 
[INFO] [stderr] warning: the loop variable `n` is only used to index `data`.
[INFO] [stderr]   --> src/reader.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |     for n in 0..data.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 33 |     for <item> in &data {
[INFO] [stderr]    |         ^^^^^^    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `conway_rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: value assigned to `arg_file_name` is never read
[INFO] [stderr]   --> src/main.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut arg_file_name = "".to_string();
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `main_grid` is never read
[INFO] [stderr]   --> src/main.rs:58:25
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Ok(data) => main_grid = grid::Grid::load_from_file_data(data),
[INFO] [stderr]    |                         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cell_count` is never read
[INFO] [stderr]    --> src/grid.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut cell_count = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/grid.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 | /         let mut mat = &self.pospos1;
[INFO] [stderr] 43 | |         if self.state == false { mat = &self.pospos2; } 
[INFO] [stderr]    | |_______________________________________________________^ help: it is more idiomatic to write: `let <mut> mat = if self.state == false { &self.pospos2 } else { &self.pospos1 };`
[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: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/grid.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |         if self.state == false { mat = &self.pospos2; } 
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!self.state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[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/grid.rs:75:35
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn stamp(&mut self, data: &Vec<Vec<char>>, x_off: usize, y_off: usize) {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^ help: change this to: `&[Vec<char>]`
[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] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/grid.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         let mut mat = &mut self.pospos1;
[INFO] [stderr] 78 | |         if self.state == false { mat = &mut self.pospos2; }
[INFO] [stderr]    | |___________________________________________________________^ help: it is more idiomatic to write: `let <mut> mat = if self.state == false { &mut self.pospos2 } else { &mut self.pospos1 };`
[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: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/grid.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 |         if self.state == false { mat = &mut self.pospos2; }
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!self.state`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/grid.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |         if self.state == true {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `self.state`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]    --> src/grid.rs:138:40
[INFO] [stderr]     |
[INFO] [stderr] 138 |                     else               { back[y][x] = '1' } // Keep dead
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]    --> src/grid.rs:137:40
[INFO] [stderr]     |
[INFO] [stderr] 137 |                     if cell_count == 3 { back[y][x] = '1' } // Resserect
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]    --> src/grid.rs:141:59
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     else                                  { back[y][x] = '1' } // Kill
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: same as this
[INFO] [stderr]    --> src/grid.rs:140:59
[INFO] [stderr]     |
[INFO] [stderr] 140 |                     if cell_count == 2 || cell_count == 3 { back[y][x] = '1' } // Keep Alive
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/grid.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if self.state == true { self.state == false; }
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `self.state`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/grid.rs:150:33
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if self.state == true { self.state == false; }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: statement with no effect
[INFO] [stderr]    --> src/grid.rs:150:33
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if self.state == true { self.state == false; }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::no_effect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#no_effect
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]    --> src/grid.rs:150:33
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if self.state == true { self.state == false; }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!self.state`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/grid.rs:151:33
[INFO] [stderr]     |
[INFO] [stderr] 151 |         else                  { self.state == true;  }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: statement with no effect
[INFO] [stderr]    --> src/grid.rs:151:33
[INFO] [stderr]     |
[INFO] [stderr] 151 |         else                  { self.state == true;  }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#no_effect
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/grid.rs:151:33
[INFO] [stderr]     |
[INFO] [stderr] 151 |         else                  { self.state == true;  }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `self.state`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[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/reader.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     match file.read_to_string(&mut s) {
[INFO] [stderr] 23 | |         Err(why) => return Err("Couldn't write to file"),
[INFO] [stderr] 24 | |         Ok(_) => {},
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^ help: try this: `if let Err(why) = file.read_to_string(&mut s) { return Err("Couldn't write to file") }`
[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] 
[INFO] [stderr] warning: the loop variable `n` is only used to index `data`.
[INFO] [stderr]   --> src/reader.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |     for n in 0..data.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 33 |     for <item> in &data {
[INFO] [stderr]    |         ^^^^^^    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `conway_rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "92d561366af0367004045fc70be00bdb0b6fc42300d5a64a464f4b3fa3edaecd"`
[INFO] running `"docker" "rm" "-f" "92d561366af0367004045fc70be00bdb0b6fc42300d5a64a464f4b3fa3edaecd"`
[INFO] [stdout] 92d561366af0367004045fc70be00bdb0b6fc42300d5a64a464f4b3fa3edaecd