[INFO] updating cached repository zackmdavis/Solitairey_Confinement
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zackmdavis/Solitairey_Confinement
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zackmdavis/Solitairey_Confinement" "work/ex/clippy-test-run/sources/stable/gh/zackmdavis/Solitairey_Confinement"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/zackmdavis/Solitairey_Confinement'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zackmdavis/Solitairey_Confinement" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/zackmdavis/Solitairey_Confinement"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/zackmdavis/Solitairey_Confinement'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5179c4536b117f24215a1ec4ffc3c90e4b7eb3e5
[INFO] sha for GitHub repo zackmdavis/Solitairey_Confinement: 5179c4536b117f24215a1ec4ffc3c90e4b7eb3e5
[INFO] validating manifest of zackmdavis/Solitairey_Confinement 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 zackmdavis/Solitairey_Confinement 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 zackmdavis/Solitairey_Confinement
[INFO] finished frobbing zackmdavis/Solitairey_Confinement
[INFO] frobbed toml for zackmdavis/Solitairey_Confinement written to work/ex/clippy-test-run/sources/stable/gh/zackmdavis/Solitairey_Confinement/Cargo.toml
[INFO] started frobbing zackmdavis/Solitairey_Confinement
[INFO] finished frobbing zackmdavis/Solitairey_Confinement
[INFO] frobbed toml for zackmdavis/Solitairey_Confinement written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/zackmdavis/Solitairey_Confinement/Cargo.toml
[INFO] crate zackmdavis/Solitairey_Confinement 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 zackmdavis/Solitairey_Confinement 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-3/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/zackmdavis/Solitairey_Confinement:/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] e1af4e8e3e5cd05a8c4edfe10f122732affc0ede83e8bf3ee77eeb47697c68f8
[INFO] running `"docker" "start" "-a" "e1af4e8e3e5cd05a8c4edfe10f122732affc0ede83e8bf3ee77eeb47697c68f8"`
[INFO] [stderr]     Checking solitairey_confinement v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]  --> src/cardpoints.rs:8:78
[INFO] [stderr]   |
[INFO] [stderr] 8 |             Card { suit: Suit::Spade, value: Value::Two } => write!(f, "{}", '🂢'),
[INFO] [stderr]   |                                                                              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::write_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]  --> src/cardpoints.rs:9:78
[INFO] [stderr]   |
[INFO] [stderr] 9 |             Card { suit: Suit::Club, value: Value::Five } => write!(f, "{}", '🃕'),
[INFO] [stderr]   |                                                                              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:10:82
[INFO] [stderr]    |
[INFO] [stderr] 10 |             Card { suit: Suit::Diamond, value: Value::Eight } => write!(f, "{}", '🃈'),
[INFO] [stderr]    |                                                                                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:11:78
[INFO] [stderr]    |
[INFO] [stderr] 11 |             Card { suit: Suit::Spade, value: Value::Ten } => write!(f, "{}", '🂪'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:12:81
[INFO] [stderr]    |
[INFO] [stderr] 12 |             Card { suit: Suit::Diamond, value: Value::Nine } => write!(f, "{}", '🃉'),
[INFO] [stderr]    |                                                                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:13:80
[INFO] [stderr]    |
[INFO] [stderr] 13 |             Card { suit: Suit::Heart, value: Value::Three } => write!(f, "{}", '🂳'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:14:78
[INFO] [stderr]    |
[INFO] [stderr] 14 |             Card { suit: Suit::Heart, value: Value::Ten } => write!(f, "{}", '🂺'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:15:79
[INFO] [stderr]    |
[INFO] [stderr] 15 |             Card { suit: Suit::Spade, value: Value::Nine } => write!(f, "{}", '🂩'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:16:78
[INFO] [stderr]    |
[INFO] [stderr] 16 |             Card { suit: Suit::Club, value: Value::King } => write!(f, "{}", '🃞'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:17:79
[INFO] [stderr]    |
[INFO] [stderr] 17 |             Card { suit: Suit::Club, value: Value::Eight } => write!(f, "{}", '🃘'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:18:79
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Card { suit: Suit::Heart, value: Value::King } => write!(f, "{}", '🂾'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:19:79
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Card { suit: Suit::Heart, value: Value::Jack } => write!(f, "{}", '🂻'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:20:80
[INFO] [stderr]    |
[INFO] [stderr] 20 |             Card { suit: Suit::Spade, value: Value::Three } => write!(f, "{}", '🂣'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:21:79
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Card { suit: Suit::Heart, value: Value::Five } => write!(f, "{}", '🂵'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:22:78
[INFO] [stderr]    |
[INFO] [stderr] 22 |             Card { suit: Suit::Spade, value: Value::Ace } => write!(f, "{}", '🂡'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:23:79
[INFO] [stderr]    |
[INFO] [stderr] 23 |             Card { suit: Suit::Spade, value: Value::Four } => write!(f, "{}", '🂤'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:24:78
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Card { suit: Suit::Heart, value: Value::Ace } => write!(f, "{}", '🂱'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:25:78
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Card { suit: Suit::Spade, value: Value::Six } => write!(f, "{}", '🂦'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:26:80
[INFO] [stderr]    |
[INFO] [stderr] 26 |             Card { suit: Suit::Spade, value: Value::Eight } => write!(f, "{}", '🂨'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:27:78
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Card { suit: Suit::Heart, value: Value::Six } => write!(f, "{}", '🂶'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:28:79
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Card { suit: Suit::Spade, value: Value::Jack } => write!(f, "{}", '🂫'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:29:82
[INFO] [stderr]    |
[INFO] [stderr] 29 |             Card { suit: Suit::Diamond, value: Value::Queen } => write!(f, "{}", '🃍'),
[INFO] [stderr]    |                                                                                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:30:77
[INFO] [stderr]    |
[INFO] [stderr] 30 |             Card { suit: Suit::Club, value: Value::Ace } => write!(f, "{}", '🃑'),
[INFO] [stderr]    |                                                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:31:79
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Card { suit: Suit::Club, value: Value::Queen } => write!(f, "{}", '🃝'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:32:77
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Card { suit: Suit::Club, value: Value::Six } => write!(f, "{}", '🃖'),
[INFO] [stderr]    |                                                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:33:81
[INFO] [stderr]    |
[INFO] [stderr] 33 |             Card { suit: Suit::Diamond, value: Value::Jack } => write!(f, "{}", '🃋'),
[INFO] [stderr]    |                                                                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:34:79
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Card { suit: Suit::Club, value: Value::Seven } => write!(f, "{}", '🃗'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:35:80
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Card { suit: Suit::Diamond, value: Value::Six } => write!(f, "{}", '🃆'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:36:78
[INFO] [stderr]    |
[INFO] [stderr] 36 |             Card { suit: Suit::Club, value: Value::Jack } => write!(f, "{}", '🃛'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:37:80
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Card { suit: Suit::Diamond, value: Value::Ace } => write!(f, "{}", '🃁'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:38:82
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Card { suit: Suit::Diamond, value: Value::Three } => write!(f, "{}", '🃃'),
[INFO] [stderr]    |                                                                                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:39:81
[INFO] [stderr]    |
[INFO] [stderr] 39 |             Card { suit: Suit::Diamond, value: Value::King } => write!(f, "{}", '🃎'),
[INFO] [stderr]    |                                                                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:40:80
[INFO] [stderr]    |
[INFO] [stderr] 40 |             Card { suit: Suit::Heart, value: Value::Eight } => write!(f, "{}", '🂸'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:41:78
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Card { suit: Suit::Club, value: Value::Four } => write!(f, "{}", '🃔'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:42:77
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Card { suit: Suit::Club, value: Value::Ten } => write!(f, "{}", '🃚'),
[INFO] [stderr]    |                                                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:43:81
[INFO] [stderr]    |
[INFO] [stderr] 43 |             Card { suit: Suit::Diamond, value: Value::Five } => write!(f, "{}", '🃅'),
[INFO] [stderr]    |                                                                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:44:79
[INFO] [stderr]    |
[INFO] [stderr] 44 |             Card { suit: Suit::Club, value: Value::Three } => write!(f, "{}", '🃓'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:45:79
[INFO] [stderr]    |
[INFO] [stderr] 45 |             Card { suit: Suit::Heart, value: Value::Four } => write!(f, "{}", '🂴'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:46:80
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Card { suit: Suit::Diamond, value: Value::Ten } => write!(f, "{}", '🃊'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:47:80
[INFO] [stderr]    |
[INFO] [stderr] 47 |             Card { suit: Suit::Diamond, value: Value::Two } => write!(f, "{}", '🃂'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:48:82
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Card { suit: Suit::Diamond, value: Value::Seven } => write!(f, "{}", '🃇'),
[INFO] [stderr]    |                                                                                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:49:79
[INFO] [stderr]    |
[INFO] [stderr] 49 |             Card { suit: Suit::Spade, value: Value::King } => write!(f, "{}", '🂮'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:50:79
[INFO] [stderr]    |
[INFO] [stderr] 50 |             Card { suit: Suit::Spade, value: Value::Five } => write!(f, "{}", '🂥'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:51:79
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Card { suit: Suit::Heart, value: Value::Nine } => write!(f, "{}", '🂹'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:52:77
[INFO] [stderr]    |
[INFO] [stderr] 52 |             Card { suit: Suit::Club, value: Value::Two } => write!(f, "{}", '🃒'),
[INFO] [stderr]    |                                                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:53:80
[INFO] [stderr]    |
[INFO] [stderr] 53 |             Card { suit: Suit::Spade, value: Value::Queen } => write!(f, "{}", '🂭'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:54:80
[INFO] [stderr]    |
[INFO] [stderr] 54 |             Card { suit: Suit::Heart, value: Value::Queen } => write!(f, "{}", '🂽'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:55:78
[INFO] [stderr]    |
[INFO] [stderr] 55 |             Card { suit: Suit::Heart, value: Value::Two } => write!(f, "{}", '🂲'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:56:81
[INFO] [stderr]    |
[INFO] [stderr] 56 |             Card { suit: Suit::Diamond, value: Value::Four } => write!(f, "{}", '🃄'),
[INFO] [stderr]    |                                                                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:57:80
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Card { suit: Suit::Heart, value: Value::Seven } => write!(f, "{}", '🂷'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:58:80
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Card { suit: Suit::Spade, value: Value::Seven } => write!(f, "{}", '🂧'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:59:78
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Card { suit: Suit::Club, value: Value::Nine } => write!(f, "{}", '🃙'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]  --> src/cardpoints.rs:8:78
[INFO] [stderr]   |
[INFO] [stderr] 8 |             Card { suit: Suit::Spade, value: Value::Two } => write!(f, "{}", '🂢'),
[INFO] [stderr]   |                                                                              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::write_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]  --> src/cardpoints.rs:9:78
[INFO] [stderr]   |
[INFO] [stderr] 9 |             Card { suit: Suit::Club, value: Value::Five } => write!(f, "{}", '🃕'),
[INFO] [stderr]   |                                                                              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:10:82
[INFO] [stderr]    |
[INFO] [stderr] 10 |             Card { suit: Suit::Diamond, value: Value::Eight } => write!(f, "{}", '🃈'),
[INFO] [stderr]    |                                                                                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:11:78
[INFO] [stderr]    |
[INFO] [stderr] 11 |             Card { suit: Suit::Spade, value: Value::Ten } => write!(f, "{}", '🂪'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:12:81
[INFO] [stderr]    |
[INFO] [stderr] 12 |             Card { suit: Suit::Diamond, value: Value::Nine } => write!(f, "{}", '🃉'),
[INFO] [stderr]    |                                                                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:13:80
[INFO] [stderr]    |
[INFO] [stderr] 13 |             Card { suit: Suit::Heart, value: Value::Three } => write!(f, "{}", '🂳'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:14:78
[INFO] [stderr]    |
[INFO] [stderr] 14 |             Card { suit: Suit::Heart, value: Value::Ten } => write!(f, "{}", '🂺'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:15:79
[INFO] [stderr]    |
[INFO] [stderr] 15 |             Card { suit: Suit::Spade, value: Value::Nine } => write!(f, "{}", '🂩'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:16:78
[INFO] [stderr]    |
[INFO] [stderr] 16 |             Card { suit: Suit::Club, value: Value::King } => write!(f, "{}", '🃞'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:17:79
[INFO] [stderr]    |
[INFO] [stderr] 17 |             Card { suit: Suit::Club, value: Value::Eight } => write!(f, "{}", '🃘'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:18:79
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Card { suit: Suit::Heart, value: Value::King } => write!(f, "{}", '🂾'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:19:79
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Card { suit: Suit::Heart, value: Value::Jack } => write!(f, "{}", '🂻'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:20:80
[INFO] [stderr]    |
[INFO] [stderr] 20 |             Card { suit: Suit::Spade, value: Value::Three } => write!(f, "{}", '🂣'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:21:79
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Card { suit: Suit::Heart, value: Value::Five } => write!(f, "{}", '🂵'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:22:78
[INFO] [stderr]    |
[INFO] [stderr] 22 |             Card { suit: Suit::Spade, value: Value::Ace } => write!(f, "{}", '🂡'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:23:79
[INFO] [stderr]    |
[INFO] [stderr] 23 |             Card { suit: Suit::Spade, value: Value::Four } => write!(f, "{}", '🂤'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:24:78
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Card { suit: Suit::Heart, value: Value::Ace } => write!(f, "{}", '🂱'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:25:78
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Card { suit: Suit::Spade, value: Value::Six } => write!(f, "{}", '🂦'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:26:80
[INFO] [stderr]    |
[INFO] [stderr] 26 |             Card { suit: Suit::Spade, value: Value::Eight } => write!(f, "{}", '🂨'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:27:78
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Card { suit: Suit::Heart, value: Value::Six } => write!(f, "{}", '🂶'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:28:79
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Card { suit: Suit::Spade, value: Value::Jack } => write!(f, "{}", '🂫'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:29:82
[INFO] [stderr]    |
[INFO] [stderr] 29 |             Card { suit: Suit::Diamond, value: Value::Queen } => write!(f, "{}", '🃍'),
[INFO] [stderr]    |                                                                                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:30:77
[INFO] [stderr]    |
[INFO] [stderr] 30 |             Card { suit: Suit::Club, value: Value::Ace } => write!(f, "{}", '🃑'),
[INFO] [stderr]    |                                                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:31:79
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Card { suit: Suit::Club, value: Value::Queen } => write!(f, "{}", '🃝'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:32:77
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Card { suit: Suit::Club, value: Value::Six } => write!(f, "{}", '🃖'),
[INFO] [stderr]    |                                                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:33:81
[INFO] [stderr]    |
[INFO] [stderr] 33 |             Card { suit: Suit::Diamond, value: Value::Jack } => write!(f, "{}", '🃋'),
[INFO] [stderr]    |                                                                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:34:79
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Card { suit: Suit::Club, value: Value::Seven } => write!(f, "{}", '🃗'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:35:80
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Card { suit: Suit::Diamond, value: Value::Six } => write!(f, "{}", '🃆'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:36:78
[INFO] [stderr]    |
[INFO] [stderr] 36 |             Card { suit: Suit::Club, value: Value::Jack } => write!(f, "{}", '🃛'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:37:80
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Card { suit: Suit::Diamond, value: Value::Ace } => write!(f, "{}", '🃁'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:38:82
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Card { suit: Suit::Diamond, value: Value::Three } => write!(f, "{}", '🃃'),
[INFO] [stderr]    |                                                                                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:39:81
[INFO] [stderr]    |
[INFO] [stderr] 39 |             Card { suit: Suit::Diamond, value: Value::King } => write!(f, "{}", '🃎'),
[INFO] [stderr]    |                                                                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:40:80
[INFO] [stderr]    |
[INFO] [stderr] 40 |             Card { suit: Suit::Heart, value: Value::Eight } => write!(f, "{}", '🂸'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:41:78
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Card { suit: Suit::Club, value: Value::Four } => write!(f, "{}", '🃔'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:42:77
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Card { suit: Suit::Club, value: Value::Ten } => write!(f, "{}", '🃚'),
[INFO] [stderr]    |                                                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:43:81
[INFO] [stderr]    |
[INFO] [stderr] 43 |             Card { suit: Suit::Diamond, value: Value::Five } => write!(f, "{}", '🃅'),
[INFO] [stderr]    |                                                                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:44:79
[INFO] [stderr]    |
[INFO] [stderr] 44 |             Card { suit: Suit::Club, value: Value::Three } => write!(f, "{}", '🃓'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:45:79
[INFO] [stderr]    |
[INFO] [stderr] 45 |             Card { suit: Suit::Heart, value: Value::Four } => write!(f, "{}", '🂴'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:46:80
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Card { suit: Suit::Diamond, value: Value::Ten } => write!(f, "{}", '🃊'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:47:80
[INFO] [stderr]    |
[INFO] [stderr] 47 |             Card { suit: Suit::Diamond, value: Value::Two } => write!(f, "{}", '🃂'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:48:82
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Card { suit: Suit::Diamond, value: Value::Seven } => write!(f, "{}", '🃇'),
[INFO] [stderr]    |                                                                                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:49:79
[INFO] [stderr]    |
[INFO] [stderr] 49 |             Card { suit: Suit::Spade, value: Value::King } => write!(f, "{}", '🂮'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:50:79
[INFO] [stderr]    |
[INFO] [stderr] 50 |             Card { suit: Suit::Spade, value: Value::Five } => write!(f, "{}", '🂥'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:51:79
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Card { suit: Suit::Heart, value: Value::Nine } => write!(f, "{}", '🂹'),
[INFO] [stderr]    |                                                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:52:77
[INFO] [stderr]    |
[INFO] [stderr] 52 |             Card { suit: Suit::Club, value: Value::Two } => write!(f, "{}", '🃒'),
[INFO] [stderr]    |                                                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:53:80
[INFO] [stderr]    |
[INFO] [stderr] 53 |             Card { suit: Suit::Spade, value: Value::Queen } => write!(f, "{}", '🂭'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:54:80
[INFO] [stderr]    |
[INFO] [stderr] 54 |             Card { suit: Suit::Heart, value: Value::Queen } => write!(f, "{}", '🂽'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:55:78
[INFO] [stderr]    |
[INFO] [stderr] 55 |             Card { suit: Suit::Heart, value: Value::Two } => write!(f, "{}", '🂲'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:56:81
[INFO] [stderr]    |
[INFO] [stderr] 56 |             Card { suit: Suit::Diamond, value: Value::Four } => write!(f, "{}", '🃄'),
[INFO] [stderr]    |                                                                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:57:80
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Card { suit: Suit::Heart, value: Value::Seven } => write!(f, "{}", '🂷'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:58:80
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Card { suit: Suit::Spade, value: Value::Seven } => write!(f, "{}", '🂧'),
[INFO] [stderr]    |                                                                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/cardpoints.rs:59:78
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Card { suit: Suit::Club, value: Value::Nine } => write!(f, "{}", '🃙'),
[INFO] [stderr]    |                                                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/distribution.rs:102:35
[INFO] [stderr]     |
[INFO] [stderr] 102 |         assert_eq_within_epsilon!(5.7004397, distribution.entropy(), 0.0001);
[INFO] [stderr]     |                                   ^^^^^^^^^ help: consider: `5.700_439_7`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/card.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn color(&self) -> Color {
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/card.rs:59:18
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn royal(&self) -> 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/card.rs:66:19
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn as_int(&self) -> isize {
[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/card.rs:103:31
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn wrapping_successor(&self) -> Self {
[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/card.rs:107:22
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn successor(&self) -> Option<Self> {
[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/card.rs:141:31
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn wrapping_successor(&self) -> Card {
[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/card.rs:145:22
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn successor(&self) -> Option<Card> {
[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/card.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn look(&self) -> Option<Card> {
[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/card.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn color(&self) -> Color {
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/card.rs:59:18
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn royal(&self) -> 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/card.rs:66:19
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn as_int(&self) -> isize {
[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/card.rs:103:31
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn wrapping_successor(&self) -> Self {
[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/card.rs:107:22
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn successor(&self) -> Option<Self> {
[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/card.rs:141:31
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn wrapping_successor(&self) -> Card {
[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/card.rs:145:22
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn successor(&self) -> Option<Card> {
[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/card.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn look(&self) -> Option<Card> {
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/games/escalator/mod.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |             for _ in 0..row_index+1 {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^ help: use: `0..=row_index`
[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: redundant pattern matching, consider using `is_none()`
[INFO] [stderr]   --> src/games/gaps/mod.rs:84:24
[INFO] [stderr]    |
[INFO] [stderr] 84 |                   if let None = slot {
[INFO] [stderr]    |  _________________-      ^^^^
[INFO] [stderr] 85 | |                     locations.push(Location(i, j));
[INFO] [stderr] 86 | |                 }
[INFO] [stderr]    | |_________________- help: try this: `if slot.is_none()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/games/escalator/mod.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |             for _ in 0..row_index+1 {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^ help: use: `0..=row_index`
[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: redundant pattern matching, consider using `is_none()`
[INFO] [stderr]   --> src/games/gaps/mod.rs:84:24
[INFO] [stderr]    |
[INFO] [stderr] 84 |                   if let None = slot {
[INFO] [stderr]    |  _________________-      ^^^^
[INFO] [stderr] 85 | |                     locations.push(Location(i, j));
[INFO] [stderr] 86 | |                 }
[INFO] [stderr]    | |_________________- help: try this: `if slot.is_none()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "e1af4e8e3e5cd05a8c4edfe10f122732affc0ede83e8bf3ee77eeb47697c68f8"`
[INFO] running `"docker" "rm" "-f" "e1af4e8e3e5cd05a8c4edfe10f122732affc0ede83e8bf3ee77eeb47697c68f8"`
[INFO] [stdout] e1af4e8e3e5cd05a8c4edfe10f122732affc0ede83e8bf3ee77eeb47697c68f8