[INFO] updating cached repository cheezgi/stones
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cheezgi/stones
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cheezgi/stones" "work/ex/clippy-test-run/sources/stable/gh/cheezgi/stones"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/cheezgi/stones'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cheezgi/stones" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cheezgi/stones"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cheezgi/stones'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c8376270ca400c786d708acbd0756341ab99b50e
[INFO] sha for GitHub repo cheezgi/stones: c8376270ca400c786d708acbd0756341ab99b50e
[INFO] validating manifest of cheezgi/stones 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 cheezgi/stones 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 cheezgi/stones
[INFO] finished frobbing cheezgi/stones
[INFO] frobbed toml for cheezgi/stones written to work/ex/clippy-test-run/sources/stable/gh/cheezgi/stones/Cargo.toml
[INFO] started frobbing cheezgi/stones
[INFO] finished frobbing cheezgi/stones
[INFO] frobbed toml for cheezgi/stones written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cheezgi/stones/Cargo.toml
[INFO] crate cheezgi/stones 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 cheezgi/stones against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cheezgi/stones:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b89fd20f67508a9b20b784f39c84dc561588effa3d7bc9b3c61b97e60e8ee460
[INFO] running `"docker" "start" "-a" "b89fd20f67508a9b20b784f39c84dc561588effa3d7bc9b3c61b97e60e8ee460"`
[INFO] [stderr]     Checking stones v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/statement.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |             color: color,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `color`
[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/statement.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             direction: direction,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `direction`
[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/statement.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |             number: number
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `number`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/statement.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |             color: color,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `color`
[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/statement.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             direction: direction,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `direction`
[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/statement.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |             number: number
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `number`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/lib.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 30 | |             if self.is_num() {
[INFO] [stderr] 31 | |                 self.get_num() == rhs.get_num()
[INFO] [stderr] 32 | |             } else if self.is_arr() {
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |             }
[INFO] [stderr] 37 | |         }
[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] 29 |         } else if self.is_num() {
[INFO] [stderr] 30 |     self.get_num() == rhs.get_num()
[INFO] [stderr] 31 | } else if self.is_arr() {
[INFO] [stderr] 32 |     self.get_arr() == rhs.get_arr()
[INFO] [stderr] 33 | } else {
[INFO] [stderr] 34 |     self.get_bool() == rhs.get_bool()
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/lib.rs:45:16
[INFO] [stderr]    |
[INFO] [stderr] 45 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 46 | |             if self.is_bool() {
[INFO] [stderr] 47 | |                 None
[INFO] [stderr] 48 | |             } else if self.is_arr() {
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |             }
[INFO] [stderr] 53 | |         }
[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] 45 |         } else if self.is_bool() {
[INFO] [stderr] 46 |     None
[INFO] [stderr] 47 | } else if self.is_arr() {
[INFO] [stderr] 48 |     self.get_arr().partial_cmp(&rhs.get_arr())
[INFO] [stderr] 49 | } else {
[INFO] [stderr] 50 |     Some(self.get_num().cmp(&rhs.get_num()))
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         res
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:102:19
[INFO] [stderr]     |
[INFO] [stderr] 102 |           let res = match self {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 103 | |             &Value::Num(n) => n,
[INFO] [stderr] 104 | |             _ => panic!("called get_num on non-num")
[INFO] [stderr] 105 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         res
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |           let res = match self {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 120 | |             &Value::Bool(b) => b,
[INFO] [stderr] 121 | |             _ => panic!("called get_bool on non-bool")
[INFO] [stderr] 122 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/lib.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 30 | |             if self.is_num() {
[INFO] [stderr] 31 | |                 self.get_num() == rhs.get_num()
[INFO] [stderr] 32 | |             } else if self.is_arr() {
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |             }
[INFO] [stderr] 37 | |         }
[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] 29 |         } else if self.is_num() {
[INFO] [stderr] 30 |     self.get_num() == rhs.get_num()
[INFO] [stderr] 31 | } else if self.is_arr() {
[INFO] [stderr] 32 |     self.get_arr() == rhs.get_arr()
[INFO] [stderr] 33 | } else {
[INFO] [stderr] 34 |     self.get_bool() == rhs.get_bool()
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/lib.rs:45:16
[INFO] [stderr]    |
[INFO] [stderr] 45 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 46 | |             if self.is_bool() {
[INFO] [stderr] 47 | |                 None
[INFO] [stderr] 48 | |             } else if self.is_arr() {
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |             }
[INFO] [stderr] 53 | |         }
[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] 45 |         } else if self.is_bool() {
[INFO] [stderr] 46 |     None
[INFO] [stderr] 47 | } else if self.is_arr() {
[INFO] [stderr] 48 |     self.get_arr().partial_cmp(&rhs.get_arr())
[INFO] [stderr] 49 | } else {
[INFO] [stderr] 50 |     Some(self.get_num().cmp(&rhs.get_num()))
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         res
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:102:19
[INFO] [stderr]     |
[INFO] [stderr] 102 |           let res = match self {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 103 | |             &Value::Num(n) => n,
[INFO] [stderr] 104 | |             _ => panic!("called get_num on non-num")
[INFO] [stderr] 105 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         res
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |           let res = match self {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 120 | |             &Value::Bool(b) => b,
[INFO] [stderr] 121 | |             _ => panic!("called get_bool on non-bool")
[INFO] [stderr] 122 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `from_str` on this type; consider implementing the `std::str::FromStr` trait or choosing a less ambiguous name
[INFO] [stderr]   --> src/color.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     pub fn from_str(col: &str) -> Color {
[INFO] [stderr] 16 | |         match col {
[INFO] [stderr] 17 | |             "red" => Color::Red,
[INFO] [stderr] 18 | |             "orange" => Color::Orange,
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |         }
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::should_implement_trait)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `from_str` on this type; consider implementing the `std::str::FromStr` trait or choosing a less ambiguous name
[INFO] [stderr]   --> src/direction.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     pub fn from_str(dir: &str) -> Direction {
[INFO] [stderr] 14 | |         match dir {
[INFO] [stderr] 15 | |             "up" => Direction::Up,
[INFO] [stderr] 16 | |             "down" => Direction::Down,
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |         }
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `from_str` on this type; consider implementing the `std::str::FromStr` trait or choosing a less ambiguous name
[INFO] [stderr]   --> src/number.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     pub fn from_str(num: &str) -> Number {
[INFO] [stderr] 12 | |         match num {
[INFO] [stderr] 13 | |             "1" => Number::One,
[INFO] [stderr] 14 | |             "2" => Number::Two,
[INFO] [stderr] ...  |
[INFO] [stderr] 17 | |         }
[INFO] [stderr] 18 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually return `Self`
[INFO] [stderr]   --> src/field.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     pub fn new() -> Vec<Vec<Color>> {
[INFO] [stderr] 7  | |         vec![vec![Color::Blue,  Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Orange,Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis],
[INFO] [stderr] 8  | |              vec![Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis],
[INFO] [stderr] 9  | |              vec![Color::Invis, Color::Invis, Color::Red,   Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Green, Color::Invis, Color::Invis, Color::Invis],
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |              vec![Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis]]
[INFO] [stderr] 13 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 | /         match self {
[INFO] [stderr] 82 | |             &Value::Num(_) => true,
[INFO] [stderr] 83 | |             _ => false
[INFO] [stderr] 84 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 81 |         match *self {
[INFO] [stderr] 82 |             Value::Num(_) => true,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 | /         match self {
[INFO] [stderr] 89 | |             &Value::Arr(_) => true,
[INFO] [stderr] 90 | |             _ => false
[INFO] [stderr] 91 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 88 |         match *self {
[INFO] [stderr] 89 |             Value::Arr(_) => true,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 | /         match self {
[INFO] [stderr] 96 | |             &Value::Bool(_) => true,
[INFO] [stderr] 97 | |             _ => false
[INFO] [stderr] 98 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 95 |         match *self {
[INFO] [stderr] 96 |             Value::Bool(_) => true,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:102:19
[INFO] [stderr]     |
[INFO] [stderr] 102 |           let res = match self {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 103 | |             &Value::Num(n) => n,
[INFO] [stderr] 104 | |             _ => panic!("called get_num on non-num")
[INFO] [stderr] 105 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let res = match *self {
[INFO] [stderr] 103 |             Value::Num(n) => n,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:111:19
[INFO] [stderr]     |
[INFO] [stderr] 111 |           let res = match self {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 112 | |             &Value::Arr(ref a) => a,
[INFO] [stderr] 113 | |             _ => panic!("called get_arr on non-arr")
[INFO] [stderr] 114 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let res = match *self {
[INFO] [stderr] 112 |             Value::Arr(ref a) => a,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |           let res = match self {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 120 | |             &Value::Bool(b) => b,
[INFO] [stderr] 121 | |             _ => panic!("called get_bool on non-bool")
[INFO] [stderr] 122 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let res = match *self {
[INFO] [stderr] 120 |             Value::Bool(b) => b,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `from_str` on this type; consider implementing the `std::str::FromStr` trait or choosing a less ambiguous name
[INFO] [stderr]   --> src/color.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     pub fn from_str(col: &str) -> Color {
[INFO] [stderr] 16 | |         match col {
[INFO] [stderr] 17 | |             "red" => Color::Red,
[INFO] [stderr] 18 | |             "orange" => Color::Orange,
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |         }
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::should_implement_trait)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `from_str` on this type; consider implementing the `std::str::FromStr` trait or choosing a less ambiguous name
[INFO] [stderr]   --> src/direction.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     pub fn from_str(dir: &str) -> Direction {
[INFO] [stderr] 14 | |         match dir {
[INFO] [stderr] 15 | |             "up" => Direction::Up,
[INFO] [stderr] 16 | |             "down" => Direction::Down,
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |         }
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `from_str` on this type; consider implementing the `std::str::FromStr` trait or choosing a less ambiguous name
[INFO] [stderr]   --> src/number.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     pub fn from_str(num: &str) -> Number {
[INFO] [stderr] 12 | |         match num {
[INFO] [stderr] 13 | |             "1" => Number::One,
[INFO] [stderr] 14 | |             "2" => Number::Two,
[INFO] [stderr] ...  |
[INFO] [stderr] 17 | |         }
[INFO] [stderr] 18 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually return `Self`
[INFO] [stderr]   --> src/field.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     pub fn new() -> Vec<Vec<Color>> {
[INFO] [stderr] 7  | |         vec![vec![Color::Blue,  Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Orange,Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis],
[INFO] [stderr] 8  | |              vec![Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis],
[INFO] [stderr] 9  | |              vec![Color::Invis, Color::Invis, Color::Red,   Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Green, Color::Invis, Color::Invis, Color::Invis],
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |              vec![Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis, Color::Invis]]
[INFO] [stderr] 13 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 | /         match self {
[INFO] [stderr] 82 | |             &Value::Num(_) => true,
[INFO] [stderr] 83 | |             _ => false
[INFO] [stderr] 84 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 81 |         match *self {
[INFO] [stderr] 82 |             Value::Num(_) => true,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 | /         match self {
[INFO] [stderr] 89 | |             &Value::Arr(_) => true,
[INFO] [stderr] 90 | |             _ => false
[INFO] [stderr] 91 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 88 |         match *self {
[INFO] [stderr] 89 |             Value::Arr(_) => true,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 | /         match self {
[INFO] [stderr] 96 | |             &Value::Bool(_) => true,
[INFO] [stderr] 97 | |             _ => false
[INFO] [stderr] 98 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 95 |         match *self {
[INFO] [stderr] 96 |             Value::Bool(_) => true,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:102:19
[INFO] [stderr]     |
[INFO] [stderr] 102 |           let res = match self {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 103 | |             &Value::Num(n) => n,
[INFO] [stderr] 104 | |             _ => panic!("called get_num on non-num")
[INFO] [stderr] 105 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let res = match *self {
[INFO] [stderr] 103 |             Value::Num(n) => n,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:111:19
[INFO] [stderr]     |
[INFO] [stderr] 111 |           let res = match self {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 112 | |             &Value::Arr(ref a) => a,
[INFO] [stderr] 113 | |             _ => panic!("called get_arr on non-arr")
[INFO] [stderr] 114 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let res = match *self {
[INFO] [stderr] 112 |             Value::Arr(ref a) => a,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |           let res = match self {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 120 | |             &Value::Bool(b) => b,
[INFO] [stderr] 121 | |             _ => panic!("called get_bool on non-bool")
[INFO] [stderr] 122 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let res = match *self {
[INFO] [stderr] 120 |             Value::Bool(b) => b,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |                     println!("");
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 println!("");
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:502:17
[INFO] [stderr]     |
[INFO] [stderr] 502 |                 println!("");
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:504:13
[INFO] [stderr]     |
[INFO] [stderr] 504 |             println!("");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |                     println!("");
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 println!("");
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:502:17
[INFO] [stderr]     |
[INFO] [stderr] 502 |                 println!("");
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:504:13
[INFO] [stderr]     |
[INFO] [stderr] 504 |             println!("");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/main.rs:420:17
[INFO] [stderr]     |
[INFO] [stderr] 420 | /                 if frames[current_frame] {
[INFO] [stderr] 421 | |                     if move_field(stmt.color, stmt.direction, field, stack) {
[INFO] [stderr] 422 | |                         if stack.pop().expect("Stack underflow").is_truthy() {
[INFO] [stderr] 423 | |                             frames.push(true);
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |                     }
[INFO] [stderr] 429 | |                 }
[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] 420 |                 if frames[current_frame] && move_field(stmt.color, stmt.direction, field, stack) {
[INFO] [stderr] 421 |     if stack.pop().expect("Stack underflow").is_truthy() {
[INFO] [stderr] 422 |         frames.push(true);
[INFO] [stderr] 423 |     } else {
[INFO] [stderr] 424 |         frames.push(false);
[INFO] [stderr] 425 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/main.rs:435:17
[INFO] [stderr]     |
[INFO] [stderr] 435 | /                 if move_field(stmt.color, stmt.direction, field, stack) {
[INFO] [stderr] 436 | |                     if frames[current_frame] {
[INFO] [stderr] 437 | |                         if stack.pop().expect("Stack underflow").is_truthy() {
[INFO] [stderr] 438 | |                             frames.push(true);
[INFO] [stderr] ...   |
[INFO] [stderr] 446 | |                     }
[INFO] [stderr] 447 | |                 }
[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] 435 |                 if move_field(stmt.color, stmt.direction, field, stack) && frames[current_frame] {
[INFO] [stderr] 436 |     if stack.pop().expect("Stack underflow").is_truthy() {
[INFO] [stderr] 437 |         frames.push(true);
[INFO] [stderr] 438 |         whiles.push(k);
[INFO] [stderr] 439 |     } else {
[INFO] [stderr] 440 |         frames.push(false);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:562:28
[INFO] [stderr]     |
[INFO] [stderr] 562 |                       } else {
[INFO] [stderr]     |  ____________________________^
[INFO] [stderr] 563 | |                         if field[0][x] <= target {
[INFO] [stderr] 564 | |                             if field[0][x] != Color::Invis {
[INFO] [stderr] 565 | |                                 let tm = field[0][x];
[INFO] [stderr] ...   |
[INFO] [stderr] 573 | |                         }
[INFO] [stderr] 574 | |                     }
[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] 562 |                     } else if field[0][x] <= target {
[INFO] [stderr] 563 |     if field[0][x] != Color::Invis {
[INFO] [stderr] 564 |         let tm = field[0][x];
[INFO] [stderr] 565 |         eval_prog(vec![Statement::new(tm, Direction::Down, Number::One)], field, stack);
[INFO] [stderr] 566 |     }
[INFO] [stderr] 567 |     field[y][x] = Color::Invis;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:588:28
[INFO] [stderr]     |
[INFO] [stderr] 588 |                       } else {
[INFO] [stderr]     |  ____________________________^
[INFO] [stderr] 589 | |                         if field[y][field_width] <= target {
[INFO] [stderr] 590 | |                             if field[y][field_width] != Color::Invis {
[INFO] [stderr] 591 | |                                 let tm = field[y][field_width];
[INFO] [stderr] ...   |
[INFO] [stderr] 599 | |                         }
[INFO] [stderr] 600 | |                     }
[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] 588 |                     } else if field[y][field_width] <= target {
[INFO] [stderr] 589 |     if field[y][field_width] != Color::Invis {
[INFO] [stderr] 590 |         let tm = field[y][field_width];
[INFO] [stderr] 591 |         eval_prog(vec![Statement::new(tm, Direction::Left, Number::One)], field, stack);
[INFO] [stderr] 592 |     }
[INFO] [stderr] 593 |     field[y][x] = Color::Invis;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:614:28
[INFO] [stderr]     |
[INFO] [stderr] 614 |                       } else {
[INFO] [stderr]     |  ____________________________^
[INFO] [stderr] 615 | |                         if field[y][0] <= target {
[INFO] [stderr] 616 | |                             if field[y][0] != Color::Invis {
[INFO] [stderr] 617 | |                                 let tm = field[y][0];
[INFO] [stderr] ...   |
[INFO] [stderr] 625 | |                         }
[INFO] [stderr] 626 | |                     }
[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] 614 |                     } else if field[y][0] <= target {
[INFO] [stderr] 615 |     if field[y][0] != Color::Invis {
[INFO] [stderr] 616 |         let tm = field[y][0];
[INFO] [stderr] 617 |         eval_prog(vec![Statement::new(tm, Direction::Left, Number::One)], field, stack);
[INFO] [stderr] 618 |     }
[INFO] [stderr] 619 |     field[y][x] = Color::Invis;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: equal expressions as operands to `==`
[INFO] [stderr]   --> tests/stones.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |     assert!(Color::Red == Color::Red);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::eq_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#eq_op
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/main.rs:420:17
[INFO] [stderr]     |
[INFO] [stderr] 420 | /                 if frames[current_frame] {
[INFO] [stderr] 421 | |                     if move_field(stmt.color, stmt.direction, field, stack) {
[INFO] [stderr] 422 | |                         if stack.pop().expect("Stack underflow").is_truthy() {
[INFO] [stderr] 423 | |                             frames.push(true);
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |                     }
[INFO] [stderr] 429 | |                 }
[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] 420 |                 if frames[current_frame] && move_field(stmt.color, stmt.direction, field, stack) {
[INFO] [stderr] 421 |     if stack.pop().expect("Stack underflow").is_truthy() {
[INFO] [stderr] 422 |         frames.push(true);
[INFO] [stderr] 423 |     } else {
[INFO] [stderr] 424 |         frames.push(false);
[INFO] [stderr] 425 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/main.rs:435:17
[INFO] [stderr]     |
[INFO] [stderr] 435 | /                 if move_field(stmt.color, stmt.direction, field, stack) {
[INFO] [stderr] 436 | |                     if frames[current_frame] {
[INFO] [stderr] 437 | |                         if stack.pop().expect("Stack underflow").is_truthy() {
[INFO] [stderr] 438 | |                             frames.push(true);
[INFO] [stderr] ...   |
[INFO] [stderr] 446 | |                     }
[INFO] [stderr] 447 | |                 }
[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] 435 |                 if move_field(stmt.color, stmt.direction, field, stack) && frames[current_frame] {
[INFO] [stderr] 436 |     if stack.pop().expect("Stack underflow").is_truthy() {
[INFO] [stderr] 437 |         frames.push(true);
[INFO] [stderr] 438 |         whiles.push(k);
[INFO] [stderr] 439 |     } else {
[INFO] [stderr] 440 |         frames.push(false);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:562:28
[INFO] [stderr]     |
[INFO] [stderr] 562 |                       } else {
[INFO] [stderr]     |  ____________________________^
[INFO] [stderr] 563 | |                         if field[0][x] <= target {
[INFO] [stderr] 564 | |                             if field[0][x] != Color::Invis {
[INFO] [stderr] 565 | |                                 let tm = field[0][x];
[INFO] [stderr] ...   |
[INFO] [stderr] 573 | |                         }
[INFO] [stderr] 574 | |                     }
[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] 562 |                     } else if field[0][x] <= target {
[INFO] [stderr] 563 |     if field[0][x] != Color::Invis {
[INFO] [stderr] 564 |         let tm = field[0][x];
[INFO] [stderr] 565 |         eval_prog(vec![Statement::new(tm, Direction::Down, Number::One)], field, stack);
[INFO] [stderr] 566 |     }
[INFO] [stderr] 567 |     field[y][x] = Color::Invis;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:588:28
[INFO] [stderr]     |
[INFO] [stderr] 588 |                       } else {
[INFO] [stderr]     |  ____________________________^
[INFO] [stderr] 589 | |                         if field[y][field_width] <= target {
[INFO] [stderr] 590 | |                             if field[y][field_width] != Color::Invis {
[INFO] [stderr] 591 | |                                 let tm = field[y][field_width];
[INFO] [stderr] ...   |
[INFO] [stderr] 599 | |                         }
[INFO] [stderr] 600 | |                     }
[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] 588 |                     } else if field[y][field_width] <= target {
[INFO] [stderr] 589 |     if field[y][field_width] != Color::Invis {
[INFO] [stderr] 590 |         let tm = field[y][field_width];
[INFO] [stderr] 591 |         eval_prog(vec![Statement::new(tm, Direction::Left, Number::One)], field, stack);
[INFO] [stderr] 592 |     }
[INFO] [stderr] 593 |     field[y][x] = Color::Invis;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:614:28
[INFO] [stderr]     |
[INFO] [stderr] 614 |                       } else {
[INFO] [stderr]     |  ____________________________^
[INFO] [stderr] 615 | |                         if field[y][0] <= target {
[INFO] [stderr] 616 | |                             if field[y][0] != Color::Invis {
[INFO] [stderr] 617 | |                                 let tm = field[y][0];
[INFO] [stderr] ...   |
[INFO] [stderr] 625 | |                         }
[INFO] [stderr] 626 | |                     }
[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] 614 |                     } else if field[y][0] <= target {
[INFO] [stderr] 615 |     if field[y][0] != Color::Invis {
[INFO] [stderr] 616 |         let tm = field[y][0];
[INFO] [stderr] 617 |         eval_prog(vec![Statement::new(tm, Direction::Left, Number::One)], field, stack);
[INFO] [stderr] 618 |     }
[INFO] [stderr] 619 |     field[y][x] = Color::Invis;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `stones`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: the function has a cyclomatic complexity of 134
[INFO] [stderr]    --> src/main.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / fn eval_prog(prog: Vec<Statement>, field: &mut Vec<Vec<Color>>, stack: &mut Vec<Value>) { // {{{
[INFO] [stderr] 88  | |     let mut rl = Editor::<()>::new();
[INFO] [stderr] 89  | |
[INFO] [stderr] 90  | |     let mut frames = vec![true];
[INFO] [stderr] ...   |
[INFO] [stderr] 506 | |     }
[INFO] [stderr] 507 | | } // }}}
[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 use of negated comparison operators on partially ordered types produces code that is hard to read and refactor. Please consider using the `partial_cmp` method instead, to make it clear that the two values could be incomparable.
[INFO] [stderr]    --> src/main.rs:249:32
[INFO] [stderr]     |
[INFO] [stderr] 249 |                             if !(lhs < rhs) { // hold up
[INFO] [stderr]     |                                ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::neg_cmp_op_on_partial_ord)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#neg_cmp_op_on_partial_ord
[INFO] [stderr] 
[INFO] [stderr] warning: The use of negated comparison operators on partially ordered types produces code that is hard to read and refactor. Please consider using the `partial_cmp` method instead, to make it clear that the two values could be incomparable.
[INFO] [stderr]    --> src/main.rs:270:32
[INFO] [stderr]     |
[INFO] [stderr] 270 |                             if !(lhs > rhs) { // what the hell?
[INFO] [stderr]     |                                ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#neg_cmp_op_on_partial_ord
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:348:38
[INFO] [stderr]     |
[INFO] [stderr] 348 |                             for _ in 0..d.get_num() + 1 {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^ help: use: `0..=d.get_num()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:398:49
[INFO] [stderr]     |
[INFO] [stderr] 398 |                             .map(|x| Value::Num(x as i64))
[INFO] [stderr]     |                                                 ^^^^^^^^ help: try: `i64::from(x)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 134
[INFO] [stderr]    --> src/main.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / fn eval_prog(prog: Vec<Statement>, field: &mut Vec<Vec<Color>>, stack: &mut Vec<Value>) { // {{{
[INFO] [stderr] 88  | |     let mut rl = Editor::<()>::new();
[INFO] [stderr] 89  | |
[INFO] [stderr] 90  | |     let mut frames = vec![true];
[INFO] [stderr] ...   |
[INFO] [stderr] 506 | |     }
[INFO] [stderr] 507 | | } // }}}
[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 use of negated comparison operators on partially ordered types produces code that is hard to read and refactor. Please consider using the `partial_cmp` method instead, to make it clear that the two values could be incomparable.
[INFO] [stderr]    --> src/main.rs:249:32
[INFO] [stderr]     |
[INFO] [stderr] 249 |                             if !(lhs < rhs) { // hold up
[INFO] [stderr]     |                                ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::neg_cmp_op_on_partial_ord)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#neg_cmp_op_on_partial_ord
[INFO] [stderr] 
[INFO] [stderr] warning: The use of negated comparison operators on partially ordered types produces code that is hard to read and refactor. Please consider using the `partial_cmp` method instead, to make it clear that the two values could be incomparable.
[INFO] [stderr]    --> src/main.rs:270:32
[INFO] [stderr]     |
[INFO] [stderr] 270 |                             if !(lhs > rhs) { // what the hell?
[INFO] [stderr]     |                                ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#neg_cmp_op_on_partial_ord
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:348:38
[INFO] [stderr]     |
[INFO] [stderr] 348 |                             for _ in 0..d.get_num() + 1 {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^ help: use: `0..=d.get_num()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:398:49
[INFO] [stderr]     |
[INFO] [stderr] 398 |                             .map(|x| Value::Num(x as i64))
[INFO] [stderr]     |                                                 ^^^^^^^^ help: try: `i64::from(x)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b89fd20f67508a9b20b784f39c84dc561588effa3d7bc9b3c61b97e60e8ee460"`
[INFO] running `"docker" "rm" "-f" "b89fd20f67508a9b20b784f39c84dc561588effa3d7bc9b3c61b97e60e8ee460"`
[INFO] [stdout] b89fd20f67508a9b20b784f39c84dc561588effa3d7bc9b3c61b97e60e8ee460