[INFO] updating cached repository BorFour/procedural-level-generator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BorFour/procedural-level-generator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BorFour/procedural-level-generator" "work/ex/clippy-test-run/sources/stable/gh/BorFour/procedural-level-generator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/BorFour/procedural-level-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BorFour/procedural-level-generator" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/BorFour/procedural-level-generator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/BorFour/procedural-level-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec068f1f521a1b4cfacba63704324a7a84b5002a
[INFO] sha for GitHub repo BorFour/procedural-level-generator: ec068f1f521a1b4cfacba63704324a7a84b5002a
[INFO] validating manifest of BorFour/procedural-level-generator 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 BorFour/procedural-level-generator 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 BorFour/procedural-level-generator
[INFO] finished frobbing BorFour/procedural-level-generator
[INFO] frobbed toml for BorFour/procedural-level-generator written to work/ex/clippy-test-run/sources/stable/gh/BorFour/procedural-level-generator/Cargo.toml
[INFO] started frobbing BorFour/procedural-level-generator
[INFO] finished frobbing BorFour/procedural-level-generator
[INFO] frobbed toml for BorFour/procedural-level-generator written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/BorFour/procedural-level-generator/Cargo.toml
[INFO] crate BorFour/procedural-level-generator 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 BorFour/procedural-level-generator against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/BorFour/procedural-level-generator:/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] fb77146790098c6e4d93f0fa04021640e942f124853159c3593265f2244956be
[INFO] running `"docker" "start" "-a" "fb77146790098c6e4d93f0fa04021640e942f124853159c3593265f2244956be"`
[INFO] [stderr]     Checking pathfinding v0.7.3
[INFO] [stderr]     Checking rsgenetic v1.7.14
[INFO] [stderr]     Checking level_generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/level_rooms/design_element.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/level_rooms/design_element.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             x: x,
[INFO] [stderr]    |             ^^^^ help: replace it with: `x`
[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/level_rooms/design_element.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             y: y,
[INFO] [stderr]    |             ^^^^ help: replace it with: `y`
[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/level_rooms/room.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/level_rooms/room.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             position: position,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `position`
[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/level_rooms/room.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             elements: elements,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `elements`
[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/level_rooms/room_level.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/level_rooms/room_level.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             rooms: rooms,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `rooms`
[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/level_rooms/design_element.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/level_rooms/design_element.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             x: x,
[INFO] [stderr]    |             ^^^^ help: replace it with: `x`
[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/level_rooms/design_element.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             y: y,
[INFO] [stderr]    |             ^^^^ help: replace it with: `y`
[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/level_rooms/room.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/level_rooms/room.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             position: position,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `position`
[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/level_rooms/room.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             elements: elements,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `elements`
[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/level_rooms/room_level.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/level_rooms/room_level.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             rooms: rooms,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `rooms`
[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: unneeded return statement
[INFO] [stderr]   --> src/level_rooms/design_element.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     return |_de: &GenericDesignElement| -> i32 { 0 };
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `|_de: &GenericDesignElement| -> i32 { 0 }`
[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/level_rooms/design_element.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         return (self.x, self.y);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.x, self.y)`
[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: unneeded return statement
[INFO] [stderr]   --> src/level_rooms/room.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         return result;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[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: long literal lacking separators
[INFO] [stderr]    --> src/level_rooms/room_level.rs:104:22
[INFO] [stderr]     |
[INFO] [stderr] 104 |             None => -999999,
[INFO] [stderr]     |                      ^^^^^^ help: consider: `999_999`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/level_rooms/room_level.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         return cp;
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `cp`
[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: unneeded return statement
[INFO] [stderr]    --> src/level_rooms/room_level.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         return cp;
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `cp`
[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: unneeded return statement
[INFO] [stderr]    --> src/level_rooms/room_level.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 | /         return self.rooms
[INFO] [stderr] 207 | |             .iter()
[INFO] [stderr] 208 | |             .map(|r| r.calculate_reward())
[INFO] [stderr] 209 | |             .fold(0, |acc, len| acc + len);
[INFO] [stderr]     | |___________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 206 |         self.rooms
[INFO] [stderr] 207 |             .iter()
[INFO] [stderr] 208 |             .map(|r| r.calculate_reward())
[INFO] [stderr] 209 |             .fold(0, |acc, len| acc + len)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generation.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     return (x, y);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `(x, y)`
[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: unneeded return statement
[INFO] [stderr]   --> src/generation.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     return rooms;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `rooms`
[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: `position::search_path_in_level`
[INFO] [stderr]   --> src/natural_selection.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use position::search_path_in_level;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/natural_selection.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     return result.clone();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `result.clone()`
[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: unneeded return statement
[INFO] [stderr]   --> src/level_rooms/design_element.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     return |_de: &GenericDesignElement| -> i32 { 0 };
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `|_de: &GenericDesignElement| -> i32 { 0 }`
[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/level_rooms/design_element.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         return (self.x, self.y);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.x, self.y)`
[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: unneeded return statement
[INFO] [stderr]   --> src/level_rooms/room.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         return result;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[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: long literal lacking separators
[INFO] [stderr]    --> src/level_rooms/room_level.rs:104:22
[INFO] [stderr]     |
[INFO] [stderr] 104 |             None => -999999,
[INFO] [stderr]     |                      ^^^^^^ help: consider: `999_999`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/level_rooms/room_level.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         return cp;
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `cp`
[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: unneeded return statement
[INFO] [stderr]    --> src/level_rooms/room_level.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         return cp;
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `cp`
[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: unneeded return statement
[INFO] [stderr]    --> src/level_rooms/room_level.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 | /         return self.rooms
[INFO] [stderr] 207 | |             .iter()
[INFO] [stderr] 208 | |             .map(|r| r.calculate_reward())
[INFO] [stderr] 209 | |             .fold(0, |acc, len| acc + len);
[INFO] [stderr]     | |___________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 206 |         self.rooms
[INFO] [stderr] 207 |             .iter()
[INFO] [stderr] 208 |             .map(|r| r.calculate_reward())
[INFO] [stderr] 209 |             .fold(0, |acc, len| acc + len)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generation.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     return (x, y);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `(x, y)`
[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: unneeded return statement
[INFO] [stderr]   --> src/generation.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     return rooms;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `rooms`
[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: `position::search_path_in_level`
[INFO] [stderr]   --> src/natural_selection.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use position::search_path_in_level;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/natural_selection.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     return result.clone();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `result.clone()`
[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: use of deprecated item 'rsgenetic::sim::select::TournamentSelector::new': The `TournamentSelector` requires at least 2 participants. This is not enforced
[INFO] [stderr]                        by the `new` function. You should use `new_checked` instead.
[INFO] [stderr]   --> src/natural_selection.rs:47:44
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     .set_selector(Box::new(TournamentSelector::new(population_size/5, 10)))
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rsgenetic::sim::select::TournamentSelector::new': The `TournamentSelector` requires at least 2 participants. This is not enforced
[INFO] [stderr]                        by the `new` function. You should use `new_checked` instead.
[INFO] [stderr]   --> src/natural_selection.rs:47:44
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     .set_selector(Box::new(TournamentSelector::new(population_size/5, 10)))
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/level_rooms/design_element.rs:77:31
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn reward_from_name(name: &String) -> RewardType {
[INFO] [stderr]    |                               ^^^^^^^ help: change this to: `&str`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/level_rooms/room_level.rs:53:52
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn get_room_from_position(&self, position: &Pos) -> Option<room::Room> {
[INFO] [stderr]    |                                                    ^^^^ help: consider passing by value instead: `Pos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[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/level_rooms/room_level.rs:85:47
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn get_rewards_from_path(&self, path: &Vec<Pos>) -> Vec<i32> {
[INFO] [stderr]    |                                               ^^^^^^^^^ help: change this to: `&[Pos]`
[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: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/level_rooms/room_level.rs:86:14
[INFO] [stderr]    |
[INFO] [stderr] 86 |         path.into_iter()
[INFO] [stderr]    |              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/level_rooms/design_element.rs:77:31
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn reward_from_name(name: &String) -> RewardType {
[INFO] [stderr]    |                               ^^^^^^^ help: change this to: `&str`
[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: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/level_rooms/room_level.rs:208:43
[INFO] [stderr]     |
[INFO] [stderr] 208 |               .map(|r| r.calculate_reward())
[INFO] [stderr]     |  ___________________________________________^
[INFO] [stderr] 209 | |             .fold(0, |acc, len| acc + len);
[INFO] [stderr]     | |__________________________________________^ help: try: `.sum()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/level_rooms/room_level.rs:53:52
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn get_room_from_position(&self, position: &Pos) -> Option<room::Room> {
[INFO] [stderr]    |                                                    ^^^^ help: consider passing by value instead: `Pos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[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/level_rooms/room_level.rs:85:47
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn get_rewards_from_path(&self, path: &Vec<Pos>) -> Vec<i32> {
[INFO] [stderr]    |                                               ^^^^^^^^^ help: change this to: `&[Pos]`
[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: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/level_rooms/room_level.rs:86:14
[INFO] [stderr]    |
[INFO] [stderr] 86 |         path.into_iter()
[INFO] [stderr]    |              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/level_rooms/room_level.rs:208:43
[INFO] [stderr]     |
[INFO] [stderr] 208 |               .map(|r| r.calculate_reward())
[INFO] [stderr]     |  ___________________________________________^
[INFO] [stderr] 209 | |             .fold(0, |acc, len| acc + len);
[INFO] [stderr]     | |__________________________________________^ help: try: `.sum()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/natural_selection.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         stdout().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/position.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn neighbours(&self) -> Vec<Pos> {
[INFO] [stderr]    |                       ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/position.rs:16:33
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn neighbours_with_size(&self) -> Vec<(Pos, usize)> {
[INFO] [stderr]    |                                 ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/natural_selection.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         stdout().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/position.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn distance(&self, other: &Pos) -> usize {
[INFO] [stderr]    |                 ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/position.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn distance(&self, other: &Pos) -> usize {
[INFO] [stderr]    |                               ^^^^ help: consider passing by value instead: `Pos`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/position.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn is_equal(&self, &other: &Pos) -> bool {
[INFO] [stderr]    |                 ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/position.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn is_equal(&self, &other: &Pos) -> bool {
[INFO] [stderr]    |                                ^^^^ help: consider passing by value instead: `Pos`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/position.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let start: Pos = level.rooms[0].position.clone();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `level.rooms[0].position`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/position.rs:57:21
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let goal: Pos = level.rooms[level.rooms.len() - 1].position.clone();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `level.rooms[level.rooms.len() - 1].position`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/position.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn neighbours(&self) -> Vec<Pos> {
[INFO] [stderr]    |                       ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/position.rs:16:33
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn neighbours_with_size(&self) -> Vec<(Pos, usize)> {
[INFO] [stderr]    |                                 ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/position.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn distance(&self, other: &Pos) -> usize {
[INFO] [stderr]    |                 ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/position.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn distance(&self, other: &Pos) -> usize {
[INFO] [stderr]    |                               ^^^^ help: consider passing by value instead: `Pos`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/position.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn is_equal(&self, &other: &Pos) -> bool {
[INFO] [stderr]    |                 ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/position.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn is_equal(&self, &other: &Pos) -> bool {
[INFO] [stderr]    |                                ^^^^ help: consider passing by value instead: `Pos`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/position.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let start: Pos = level.rooms[0].position.clone();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `level.rooms[0].position`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/position.rs:57:21
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let goal: Pos = level.rooms[level.rooms.len() - 1].position.clone();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `level.rooms[level.rooms.len() - 1].position`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `"docker" "inspect" "fb77146790098c6e4d93f0fa04021640e942f124853159c3593265f2244956be"`
[INFO] running `"docker" "rm" "-f" "fb77146790098c6e4d93f0fa04021640e942f124853159c3593265f2244956be"`
[INFO] [stdout] fb77146790098c6e4d93f0fa04021640e942f124853159c3593265f2244956be