[INFO] updating cached repository ijks/piet-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ijks/piet-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ijks/piet-rs" "work/ex/clippy-test-run/sources/stable/gh/ijks/piet-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ijks/piet-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ijks/piet-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ijks/piet-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ijks/piet-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9f85558145516a0b07976ce5a5ad135e26a5003
[INFO] sha for GitHub repo ijks/piet-rs: c9f85558145516a0b07976ce5a5ad135e26a5003
[INFO] validating manifest of ijks/piet-rs 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 ijks/piet-rs 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 ijks/piet-rs
[INFO] finished frobbing ijks/piet-rs
[INFO] frobbed toml for ijks/piet-rs written to work/ex/clippy-test-run/sources/stable/gh/ijks/piet-rs/Cargo.toml
[INFO] started frobbing ijks/piet-rs
[INFO] finished frobbing ijks/piet-rs
[INFO] frobbed toml for ijks/piet-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ijks/piet-rs/Cargo.toml
[INFO] crate ijks/piet-rs 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 ijks/piet-rs 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/gh/ijks/piet-rs:/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] ee5d42b8e6a37be10ed93cec28a2e450adc177e0e6e195d0faf593d095bbe9f8
[INFO] running `"docker" "start" "-a" "ee5d42b8e6a37be10ed93cec28a2e450adc177e0e6e195d0faf593d095bbe9f8"`
[INFO] [stderr]    Compiling cc v1.0.2
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking image v0.17.0
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking piet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/interpreter.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             program: program,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `program`
[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/program.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |             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/program.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             image: image,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `image`
[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: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]    --> src/program.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::deprecated_cfg_attr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/interpreter.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             program: program,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `program`
[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/program.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |             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/program.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             image: image,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `image`
[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: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]    --> src/program.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::deprecated_cfg_attr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             0xffc0c0 => Composite(Red, Light),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00ff_c0c0`
[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: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |             0xffffc0 => Composite(Yellow, Light),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00ff_ffc0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             0xc0ffc0 => Composite(Green, Light),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00c0_ffc0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |             0xc0ffff => Composite(Cyan, Light),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00c0_ffff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             0xc0c0ff => Composite(Blue, Light),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00c0_c0ff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |             0xffc0ff => Composite(Magenta, Light),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00ff_c0ff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             0xff0000 => Composite(Red, Normal),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00ff_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |             0xffff00 => Composite(Yellow, Normal),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00ff_ff00`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             0x00ff00 => Composite(Green, Normal),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x0000_ff00`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             0x00ffff => Composite(Cyan, Normal),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x0000_ffff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |             0x0000ff => Composite(Blue, Normal),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x0000_00ff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             0xff00ff => Composite(Magenta, Normal),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00ff_00ff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             0xc00000 => Composite(Red, Dark),
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x00c0_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             0xc0c000 => Composite(Yellow, Dark),
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x00c0_c000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |             0x00c000 => Composite(Green, Dark),
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x0000_c000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |             0x00c0c0 => Composite(Cyan, Dark),
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x0000_c0c0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |             0x0000c0 => Composite(Blue, Dark),
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x0000_00c0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |             0xc000c0 => Composite(Magenta, Dark),
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x00c0_00c0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             0xffffff => White,
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x00ff_ffff`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             0x000000 => Black,
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x0000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/interpreter.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             0xffc0c0 => Composite(Red, Light),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00ff_c0c0`
[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: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |             0xffffc0 => Composite(Yellow, Light),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00ff_ffc0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             0xc0ffc0 => Composite(Green, Light),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00c0_ffc0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |             0xc0ffff => Composite(Cyan, Light),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00c0_ffff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             0xc0c0ff => Composite(Blue, Light),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00c0_c0ff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |             0xffc0ff => Composite(Magenta, Light),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00ff_c0ff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             0xff0000 => Composite(Red, Normal),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00ff_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |             0xffff00 => Composite(Yellow, Normal),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00ff_ff00`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             0x00ff00 => Composite(Green, Normal),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x0000_ff00`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             0x00ffff => Composite(Cyan, Normal),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x0000_ffff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |             0x0000ff => Composite(Blue, Normal),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x0000_00ff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/color.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             0xff00ff => Composite(Magenta, Normal),
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0x00ff_00ff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             0xc00000 => Composite(Red, Dark),
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x00c0_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             0xc0c000 => Composite(Yellow, Dark),
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x00c0_c000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |             0x00c000 => Composite(Green, Dark),
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x0000_c000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |             0x00c0c0 => Composite(Cyan, Dark),
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x0000_c0c0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |             0x0000c0 => Composite(Blue, Dark),
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x0000_00c0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |             0xc000c0 => Composite(Magenta, Dark),
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x00c0_00c0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             0xffffff => White,
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x00ff_ffff`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/color.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             0x000000 => Black,
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x0000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/interpreter.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interpreter.rs:120:29
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 .filter(|&&(x, y)| y == farthest_y)
[INFO] [stderr]     |                             ^ help: consider using `_x` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/interpreter.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 .filter(|&&(x, y)| x == farthest_x)
[INFO] [stderr]     |                                ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/program.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let (width, height) = self.size;
[INFO] [stderr]    |                     ^^^^^^ help: consider using `_height` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Up`
[INFO] [stderr]   --> src/interpreter.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Up,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Down`
[INFO] [stderr]   --> src/interpreter.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Down,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/interpreter.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Left,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_clockwise`
[INFO] [stderr]   --> src/interpreter.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn rotate_clockwise(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_counterclockwise`
[INFO] [stderr]   --> src/interpreter.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn rotate_counterclockwise(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> src/interpreter.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     Right,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `switch`
[INFO] [stderr]   --> src/interpreter.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn switch(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_block`
[INFO] [stderr]   --> src/interpreter.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn current_block(&self) -> HashSet<Coords> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_coords`
[INFO] [stderr]   --> src/interpreter.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn next_coords(&self) -> Coords {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `x_key`
[INFO] [stderr]    --> src/interpreter.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         fn x_key(&(x, _): &Coords) -> usize {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `y_key`
[INFO] [stderr]    --> src/interpreter.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         fn y_key(&(_, y): &Coords) -> usize {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_command`
[INFO] [stderr]    --> src/interpreter.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn execute_command(&mut self, command: &Command) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pointer`
[INFO] [stderr]    --> src/interpreter.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn pointer(&mut self, steps: i64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `switch`
[INFO] [stderr]    --> src/interpreter.rs:273:5
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn switch(&mut self, times: i64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `index_to_coords`
[INFO] [stderr]   --> src/program.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn index_to_coords(&self, index: usize) -> Option<Coords> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/color.rs:82:26
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let (r, g, b) = (r as u32, g as u32, b as u32);
[INFO] [stderr]    |                          ^^^^^^^^ help: try: `u32::from(r)`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/color.rs:82:36
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let (r, g, b) = (r as u32, g as u32, b as u32);
[INFO] [stderr]    |                                    ^^^^^^^^ help: try: `u32::from(g)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/color.rs:82:46
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let (r, g, b) = (r as u32, g as u32, b as u32);
[INFO] [stderr]    |                                              ^^^^^^^^ help: try: `u32::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/interpreter.rs:111:24
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let iter = current_block.iter().map(|&c| c);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `current_block.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/interpreter.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 | /             current_block.iter()
[INFO] [stderr] 120 | |                 .filter(|&&(x, y)| y == farthest_y)
[INFO] [stderr] 121 | |                 .map(|&y| y)
[INFO] [stderr]     | |____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 119 |             current_block.iter()
[INFO] [stderr] 120 |                 .filter(|&&(x, y)| y == farthest_y).cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/interpreter.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |             let iter = current_block.iter().map(|&c| c);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `current_block.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/interpreter.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 | /             current_block.iter()
[INFO] [stderr] 133 | |                 .filter(|&&(x, y)| x == farthest_x)
[INFO] [stderr] 134 | |                 .map(|&x| x)
[INFO] [stderr]     | |____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 132 |             current_block.iter()
[INFO] [stderr] 133 |                 .filter(|&&(x, y)| x == farthest_x).cloned()
[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/interpreter.rs:167:44
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn execute_command(&mut self, command: &Command) {
[INFO] [stderr]     |                                            ^^^^^^^^ help: consider passing by value instead: `Command`
[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 deriving a `Default` implementation for `stack::Stack`
[INFO] [stderr]   --> src/stack.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     pub fn new() -> Self {
[INFO] [stderr] 9  | |         Stack(Vec::new())
[INFO] [stderr] 10 | |     }
[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] 5  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interpreter.rs:120:29
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 .filter(|&&(x, y)| y == farthest_y)
[INFO] [stderr]     |                             ^ help: consider using `_x` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/interpreter.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 .filter(|&&(x, y)| x == farthest_x)
[INFO] [stderr]     |                                ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/program.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let (width, height) = self.size;
[INFO] [stderr]    |                     ^^^^^^ help: consider using `_height` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Up`
[INFO] [stderr]   --> src/interpreter.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Up,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Down`
[INFO] [stderr]   --> src/interpreter.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Down,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/interpreter.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Left,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_clockwise`
[INFO] [stderr]   --> src/interpreter.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn rotate_clockwise(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_counterclockwise`
[INFO] [stderr]   --> src/interpreter.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn rotate_counterclockwise(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> src/interpreter.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     Right,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `switch`
[INFO] [stderr]   --> src/interpreter.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn switch(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_block`
[INFO] [stderr]   --> src/interpreter.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn current_block(&self) -> HashSet<Coords> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_coords`
[INFO] [stderr]   --> src/interpreter.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn next_coords(&self) -> Coords {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `x_key`
[INFO] [stderr]    --> src/interpreter.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         fn x_key(&(x, _): &Coords) -> usize {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `y_key`
[INFO] [stderr]    --> src/interpreter.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         fn y_key(&(_, y): &Coords) -> usize {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_command`
[INFO] [stderr]    --> src/interpreter.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn execute_command(&mut self, command: &Command) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pointer`
[INFO] [stderr]    --> src/interpreter.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn pointer(&mut self, steps: i64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `switch`
[INFO] [stderr]    --> src/interpreter.rs:273:5
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn switch(&mut self, times: i64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/color.rs:82:26
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let (r, g, b) = (r as u32, g as u32, b as u32);
[INFO] [stderr]    |                          ^^^^^^^^ help: try: `u32::from(r)`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/color.rs:82:36
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let (r, g, b) = (r as u32, g as u32, b as u32);
[INFO] [stderr]    |                                    ^^^^^^^^ help: try: `u32::from(g)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/color.rs:82:46
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let (r, g, b) = (r as u32, g as u32, b as u32);
[INFO] [stderr]    |                                              ^^^^^^^^ help: try: `u32::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/interpreter.rs:111:24
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let iter = current_block.iter().map(|&c| c);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `current_block.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/interpreter.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 | /             current_block.iter()
[INFO] [stderr] 120 | |                 .filter(|&&(x, y)| y == farthest_y)
[INFO] [stderr] 121 | |                 .map(|&y| y)
[INFO] [stderr]     | |____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 119 |             current_block.iter()
[INFO] [stderr] 120 |                 .filter(|&&(x, y)| y == farthest_y).cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/interpreter.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |             let iter = current_block.iter().map(|&c| c);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `current_block.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/interpreter.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 | /             current_block.iter()
[INFO] [stderr] 133 | |                 .filter(|&&(x, y)| x == farthest_x)
[INFO] [stderr] 134 | |                 .map(|&x| x)
[INFO] [stderr]     | |____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 132 |             current_block.iter()
[INFO] [stderr] 133 |                 .filter(|&&(x, y)| x == farthest_x).cloned()
[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/interpreter.rs:167:44
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn execute_command(&mut self, command: &Command) {
[INFO] [stderr]     |                                            ^^^^^^^^ help: consider passing by value instead: `Command`
[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 deriving a `Default` implementation for `stack::Stack`
[INFO] [stderr]   --> src/stack.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     pub fn new() -> Self {
[INFO] [stderr] 9  | |         Stack(Vec::new())
[INFO] [stderr] 10 | |     }
[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] 5  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `codel_size`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let codel_size = matches.value_of("codel_size").map(|_| unimplemented!());
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider using `_codel_size` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     interpreter.run();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `codel_size`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let codel_size = matches.value_of("codel_size").map(|_| unimplemented!());
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider using `_codel_size` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     interpreter.run();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.92s
[INFO] running `"docker" "inspect" "ee5d42b8e6a37be10ed93cec28a2e450adc177e0e6e195d0faf593d095bbe9f8"`
[INFO] running `"docker" "rm" "-f" "ee5d42b8e6a37be10ed93cec28a2e450adc177e0e6e195d0faf593d095bbe9f8"`
[INFO] [stdout] ee5d42b8e6a37be10ed93cec28a2e450adc177e0e6e195d0faf593d095bbe9f8