[INFO] crate libgo 0.4.0 is already in cache
[INFO] extracting crate libgo 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/libgo/0.4.0
[INFO] extracting crate libgo 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/libgo/0.4.0
[INFO] validating manifest of libgo-0.4.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libgo-0.4.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libgo-0.4.0
[INFO] finished frobbing libgo-0.4.0
[INFO] frobbed toml for libgo-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/libgo/0.4.0/Cargo.toml
[INFO] started frobbing libgo-0.4.0
[INFO] finished frobbing libgo-0.4.0
[INFO] frobbed toml for libgo-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/libgo/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting libgo-0.4.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/libgo/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c0d8d71d335af03acac15b629c97d3c92f4cd5dc2fb37f37e355396222433b8c
[INFO] running `"docker" "start" "-a" "c0d8d71d335af03acac15b629c97d3c92f4cd5dc2fb37f37e355396222433b8c"`
[INFO] [stderr]     Checking libgo v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/game/board.rs:242:39
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 let vertex = Vertex { x: x, y: y };
[INFO] [stderr]     |                                       ^^^^ help: replace it with: `x`
[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/game/board.rs:242:45
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 let vertex = Vertex { x: x, 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/game/chain.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             player: player,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `player`
[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/game/chain.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             verts: verts,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `verts`
[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/game/chain.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             libs: libs,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `libs`
[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/game/chain.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             filled_libs: filled_libs,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `filled_libs`
[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/game/matrix.rs:17:14
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Vertex { x: x, y: y }
[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/game/matrix.rs:17:20
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Vertex { x: x, 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/game/matrix.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             size: size,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `size`
[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/game/vertex.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |         Ok(Vertex { x: x, y: y - 1})
[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/game/mod.rs:87:30
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let mov = Move { player: player, vertex: Some(possible_moves[index])};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^ help: replace it with: `player`
[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/game/mod.rs:103:43
[INFO] [stderr]     |
[INFO] [stderr] 103 |             if self.is_legal_move(&Move { player: player, vertex: Some(vertex) }) {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^ help: replace it with: `player`
[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/game/board.rs:242:39
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 let vertex = Vertex { x: x, y: y };
[INFO] [stderr]     |                                       ^^^^ help: replace it with: `x`
[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/game/board.rs:242:45
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 let vertex = Vertex { x: x, 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/game/chain.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             player: player,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `player`
[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/game/chain.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             verts: verts,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `verts`
[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/game/chain.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             libs: libs,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `libs`
[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/game/chain.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             filled_libs: filled_libs,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `filled_libs`
[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/game/matrix.rs:17:14
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Vertex { x: x, y: y }
[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/game/matrix.rs:17:20
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Vertex { x: x, 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/game/matrix.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             size: size,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `size`
[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/game/vertex.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |         Ok(Vertex { x: x, y: y - 1})
[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/game/mod.rs:87:30
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let mov = Move { player: player, vertex: Some(possible_moves[index])};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^ help: replace it with: `player`
[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/game/mod.rs:103:43
[INFO] [stderr]     |
[INFO] [stderr] 103 |             if self.is_legal_move(&Move { player: player, vertex: Some(vertex) }) {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^ help: replace it with: `player`
[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: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/game/board.rs:14:23
[INFO] [stderr]    |
[INFO] [stderr] 14 | const BOARD_LETTERS: &'static str = "ABCDEFGHJKLMNOPQRST";
[INFO] [stderr]    |                      -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/game/vertex.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | const GOBAN_LETTERS: &'static str = "ABCDEFGHJKLMNOPQRST";
[INFO] [stderr]   |                      -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/game/mod.rs:260:16
[INFO] [stderr]     |
[INFO] [stderr] 260 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 261 | |             if self.board.is_empty() { Player::Black } else { Player::White }
[INFO] [stderr] 262 | |         }
[INFO] [stderr]     | |_________^ help: try: `if self.board.is_empty() { Player::Black } else { Player::White }`
[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] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/gtp/engine.rs:13:27
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const AGENT_VERSION: &'static str = env!("CARGO_PKG_VERSION");
[INFO] [stderr]    |                          -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/gtp/engine.rs:16:30
[INFO] [stderr]    |
[INFO] [stderr] 16 | const GTP_PROTOCOL_VERSION: &'static str = "2";
[INFO] [stderr]    |                             -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/gtp/engine.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 | const PROGRAM_NAME: &'static str = env!("CARGO_PKG_NAME");
[INFO] [stderr]    |                     -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/gtp/engine.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     return game.play(&mov).map(|_ok| None);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `game.play(&mov).map(|_ok| None)`
[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: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/gtp/response.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | const EOL: &'static str = "\r\n";
[INFO] [stderr]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/game/board.rs:14:23
[INFO] [stderr]    |
[INFO] [stderr] 14 | const BOARD_LETTERS: &'static str = "ABCDEFGHJKLMNOPQRST";
[INFO] [stderr]    |                      -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/game/vertex.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | const GOBAN_LETTERS: &'static str = "ABCDEFGHJKLMNOPQRST";
[INFO] [stderr]   |                      -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/game/mod.rs:260:16
[INFO] [stderr]     |
[INFO] [stderr] 260 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 261 | |             if self.board.is_empty() { Player::Black } else { Player::White }
[INFO] [stderr] 262 | |         }
[INFO] [stderr]     | |_________^ help: try: `if self.board.is_empty() { Player::Black } else { Player::White }`
[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] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/gtp/engine.rs:13:27
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const AGENT_VERSION: &'static str = env!("CARGO_PKG_VERSION");
[INFO] [stderr]    |                          -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/gtp/engine.rs:16:30
[INFO] [stderr]    |
[INFO] [stderr] 16 | const GTP_PROTOCOL_VERSION: &'static str = "2";
[INFO] [stderr]    |                             -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/gtp/engine.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 | const PROGRAM_NAME: &'static str = env!("CARGO_PKG_NAME");
[INFO] [stderr]    |                     -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/gtp/engine.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     return game.play(&mov).map(|_ok| None);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `game.play(&mov).map(|_ok| None)`
[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: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/gtp/response.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | const EOL: &'static str = "\r\n";
[INFO] [stderr]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/game/board.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             match self.center_point() {
[INFO] [stderr] 86 | |                 Some(center) => handicaps.push(center),
[INFO] [stderr] 87 | |                 None => (),
[INFO] [stderr] 88 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Some(center) = self.center_point() { handicaps.push(center) }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `game::chains::Chains`
[INFO] [stderr]   --> src/game/chains.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | /     pub fn new() -> Self {
[INFO] [stderr] 39 | |         Chains {
[INFO] [stderr] 40 | |             chains: Vec::new(),
[INFO] [stderr] 41 | |         }
[INFO] [stderr] 42 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/game/player.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn enemy(&self) -> Self {
[INFO] [stderr]    |                  ^^^^^ help: consider passing by value instead: `self`
[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: you should consider adding a `Default` implementation for `game::Game`
[INFO] [stderr]    --> src/game/mod.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 | /     pub fn new() -> Self {
[INFO] [stderr] 135 | |         Game::with_board_size(DEFAULT_BOARD_SIZE).unwrap()
[INFO] [stderr] 136 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 67  | impl Default for game::Game {
[INFO] [stderr] 68  |     fn default() -> Self {
[INFO] [stderr] 69  |         Self::new()
[INFO] [stderr] 70  |     }
[INFO] [stderr] 71  | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/gtp/engine.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn gtp_boardsize(args: &Vec<String>, game: &mut Game) -> CommandResult {
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: length comparison to one
[INFO] [stderr]   --> src/gtp/engine.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if args.len() < 1 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `args.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/gtp/engine.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn gtp_genmove(args: &Vec<String>, game: &mut Game) -> CommandResult {
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/gtp/engine.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn gtp_place_handicap(args: &Vec<String>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/gtp/engine.rs:67:19
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn gtp_play(args: &Vec<String>, game: &mut Game) -> CommandResult {
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/gtp/engine.rs:100:12
[INFO] [stderr]     |
[INFO] [stderr] 100 |     inner: HashMap<String, Box<Fn(&Vec<String>, &mut Game) -> CommandResult>>
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `gtp::engine::Engine`
[INFO] [stderr]    --> src/gtp/engine.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 | /     pub fn new() -> Self {
[INFO] [stderr] 134 | |         let mut commands = Engine { inner: HashMap::new() };
[INFO] [stderr] 135 | |
[INFO] [stderr] 136 | |         commands.insert("boardsize", |args, game| {
[INFO] [stderr] ...   |
[INFO] [stderr] 177 | |         commands
[INFO] [stderr] 178 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 99  | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/game/board.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             match self.center_point() {
[INFO] [stderr] 86 | |                 Some(center) => handicaps.push(center),
[INFO] [stderr] 87 | |                 None => (),
[INFO] [stderr] 88 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Some(center) = self.center_point() { handicaps.push(center) }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `game::chains::Chains`
[INFO] [stderr]   --> src/game/chains.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | /     pub fn new() -> Self {
[INFO] [stderr] 39 | |         Chains {
[INFO] [stderr] 40 | |             chains: Vec::new(),
[INFO] [stderr] 41 | |         }
[INFO] [stderr] 42 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/game/player.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn enemy(&self) -> Self {
[INFO] [stderr]    |                  ^^^^^ help: consider passing by value instead: `self`
[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: you should consider adding a `Default` implementation for `game::Game`
[INFO] [stderr]    --> src/game/mod.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 | /     pub fn new() -> Self {
[INFO] [stderr] 135 | |         Game::with_board_size(DEFAULT_BOARD_SIZE).unwrap()
[INFO] [stderr] 136 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 67  | impl Default for game::Game {
[INFO] [stderr] 68  |     fn default() -> Self {
[INFO] [stderr] 69  |         Self::new()
[INFO] [stderr] 70  |     }
[INFO] [stderr] 71  | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/gtp/command.rs:149:27
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let large_uint = (u32::MAX as u64 + 1).to_string();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^ help: try: `u64::from(u32::MAX)`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/gtp/engine.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn gtp_boardsize(args: &Vec<String>, game: &mut Game) -> CommandResult {
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: length comparison to one
[INFO] [stderr]   --> src/gtp/engine.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if args.len() < 1 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `args.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/gtp/engine.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn gtp_genmove(args: &Vec<String>, game: &mut Game) -> CommandResult {
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/gtp/engine.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn gtp_place_handicap(args: &Vec<String>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/gtp/engine.rs:67:19
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn gtp_play(args: &Vec<String>, game: &mut Game) -> CommandResult {
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/gtp/engine.rs:100:12
[INFO] [stderr]     |
[INFO] [stderr] 100 |     inner: HashMap<String, Box<Fn(&Vec<String>, &mut Game) -> CommandResult>>
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `gtp::engine::Engine`
[INFO] [stderr]    --> src/gtp/engine.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 | /     pub fn new() -> Self {
[INFO] [stderr] 134 | |         let mut commands = Engine { inner: HashMap::new() };
[INFO] [stderr] 135 | |
[INFO] [stderr] 136 | |         commands.insert("boardsize", |args, game| {
[INFO] [stderr] ...   |
[INFO] [stderr] 177 | |         commands
[INFO] [stderr] 178 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 99  | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> benches/benchmarks.rs:23:43
[INFO] [stderr]    |
[INFO] [stderr] 23 |                     let vertex = Vertex { x: x, y: y };
[INFO] [stderr]    |                                           ^^^^ help: replace it with: `x`
[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]   --> benches/benchmarks.rs:23:49
[INFO] [stderr]    |
[INFO] [stderr] 23 |                     let vertex = Vertex { x: x, 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]   --> benches/benchmarks.rs:37:38
[INFO] [stderr]    |
[INFO] [stderr] 37 |                     matrix[&Vertex { x: x, y: y}] = WEB::Black;
[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]   --> benches/benchmarks.rs:37:44
[INFO] [stderr]    |
[INFO] [stderr] 37 |                     matrix[&Vertex { x: x, y: y}] = WEB::Black;
[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] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/benchmarks.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `libgo`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c0d8d71d335af03acac15b629c97d3c92f4cd5dc2fb37f37e355396222433b8c"`
[INFO] running `"docker" "rm" "-f" "c0d8d71d335af03acac15b629c97d3c92f4cd5dc2fb37f37e355396222433b8c"`
[INFO] [stdout] c0d8d71d335af03acac15b629c97d3c92f4cd5dc2fb37f37e355396222433b8c