[INFO] crate qr-encode 0.1.9 is already in cache
[INFO] extracting crate qr-encode 0.1.9 into work/ex/clippy-test-run/sources/stable/reg/qr-encode/0.1.9
[INFO] extracting crate qr-encode 0.1.9 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/qr-encode/0.1.9
[INFO] validating manifest of qr-encode-0.1.9 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 qr-encode-0.1.9 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 qr-encode-0.1.9
[INFO] finished frobbing qr-encode-0.1.9
[INFO] frobbed toml for qr-encode-0.1.9 written to work/ex/clippy-test-run/sources/stable/reg/qr-encode/0.1.9/Cargo.toml
[INFO] started frobbing qr-encode-0.1.9
[INFO] finished frobbing qr-encode-0.1.9
[INFO] frobbed toml for qr-encode-0.1.9 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/qr-encode/0.1.9/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting qr-encode-0.1.9 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/qr-encode/0.1.9:/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] de909b4b924e52394d44bda1995289283f3bcbba5f529259c3d7188fb8d1ec30
[INFO] running `"docker" "start" "-a" "de909b4b924e52394d44bda1995289283f3bcbba5f529259c3d7188fb8d1ec30"`
[INFO] [stderr]     Checking reed-solomon v0.2.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking qr-encode v0.1.9 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/qr_encoder/util.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         capacity: capacity,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `capacity`
[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/qr_encoder/util.rs:315:9
[INFO] [stderr]     |
[INFO] [stderr] 315 |         version: version,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `version`
[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/qr_encoder/util.rs:316:9
[INFO] [stderr]     |
[INFO] [stderr] 316 |         data: data,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `data`
[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/qr_encoder/util.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         codeword_properties: codeword_properties,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `codeword_properties`
[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/qr_encoder/util.rs:322:9
[INFO] [stderr]     |
[INFO] [stderr] 322 |         debug_mode: debug_mode,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `debug_mode`
[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/qr_encoder/config.rs:1013:66
[INFO] [stderr]      |
[INFO] [stderr] 1013 |                 let plot_point = PlotPoint { point: Point(x, y), color: color };
[INFO] [stderr]      |                                                                  ^^^^^^^^^^^^ help: replace it with: `color`
[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/qr_encoder/util.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         capacity: capacity,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `capacity`
[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/qr_encoder/util.rs:315:9
[INFO] [stderr]     |
[INFO] [stderr] 315 |         version: version,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `version`
[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/qr_encoder/util.rs:316:9
[INFO] [stderr]     |
[INFO] [stderr] 316 |         data: data,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `data`
[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/qr_encoder/util.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         codeword_properties: codeword_properties,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `codeword_properties`
[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/qr_encoder/util.rs:322:9
[INFO] [stderr]     |
[INFO] [stderr] 322 |         debug_mode: debug_mode,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `debug_mode`
[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/qr_encoder/config.rs:1013:66
[INFO] [stderr]      |
[INFO] [stderr] 1013 |                 let plot_point = PlotPoint { point: Point(x, y), color: color };
[INFO] [stderr]      |                                                                  ^^^^^^^^^^^^ help: replace it with: `color`
[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: unused imports: `CellType`, `Color`
[INFO] [stderr]  --> src/qr_encoder/qr.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     CellType,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 5 |     Color
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `get_index_value`, `set_color`
[INFO] [stderr]  --> src/qr_encoder/qr.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | use qr_encoder::util::{set_color, get_index_value};
[INFO] [stderr]   |                        ^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BitXorAssign`
[INFO] [stderr]  --> src/qr_encoder/config.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{BitXorAssign};
[INFO] [stderr]   |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Binary`, `Debug`
[INFO] [stderr]  --> src/qr_encoder/config.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::{Binary, Debug};
[INFO] [stderr]   |                ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/qr_encoder/config.rs:374:9
[INFO] [stderr]     |
[INFO] [stderr] 374 |         total
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/qr_encoder/config.rs:372:21
[INFO] [stderr]     |
[INFO] [stderr] 372 |         let total = one + two + three + four;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/qr_encoder/config.rs:407:33
[INFO] [stderr]     |
[INFO] [stderr] 407 |         let pattern_mask: u16 = 0b00001011101;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: consider: `0b000_0101_1101`
[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/qr_encoder/config.rs:408:33
[INFO] [stderr]     |
[INFO] [stderr] 408 |         let reverse_mask: u16 = 0b10111010000;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: consider: `0b101_1101_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/qr_encoder/config.rs:409:34
[INFO] [stderr]     |
[INFO] [stderr] 409 |         let remap_pattern: u16 = 0b11111111111;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^ help: consider: `0b111_1111_1111`
[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/qr_encoder/config.rs:431:33
[INFO] [stderr]     |
[INFO] [stderr] 431 |         let pattern_mask: u16 = 0b00001011101;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: consider: `0b000_0101_1101`
[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/qr_encoder/config.rs:432:33
[INFO] [stderr]     |
[INFO] [stderr] 432 |         let reverse_mask: u16 = 0b10111010000;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: consider: `0b101_1101_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/qr_encoder/config.rs:433:34
[INFO] [stderr]     |
[INFO] [stderr] 433 |         let remap_pattern: u16 = 0b11111111111;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^ help: consider: `0b111_1111_1111`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/qr_encoder/config.rs:980:17
[INFO] [stderr]     |
[INFO] [stderr] 980 |                 result
[INFO] [stderr]     |                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/qr_encoder/config.rs:975:30
[INFO] [stderr]     |
[INFO] [stderr] 975 |                   let result = match cell.module_type {
[INFO] [stderr]     |  ______________________________^
[INFO] [stderr] 976 | |                     CellType::None => true,
[INFO] [stderr] 977 | |                     _ => false
[INFO] [stderr] 978 | |                 };
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CellType`, `Color`
[INFO] [stderr]  --> src/qr_encoder/qr.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     CellType,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 5 |     Color
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `get_index_value`, `set_color`
[INFO] [stderr]  --> src/qr_encoder/qr.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | use qr_encoder::util::{set_color, get_index_value};
[INFO] [stderr]   |                        ^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BitXorAssign`
[INFO] [stderr]  --> src/qr_encoder/config.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{BitXorAssign};
[INFO] [stderr]   |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Binary`, `Debug`
[INFO] [stderr]  --> src/qr_encoder/config.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::{Binary, Debug};
[INFO] [stderr]   |                ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/qr_encoder/config.rs:374:9
[INFO] [stderr]     |
[INFO] [stderr] 374 |         total
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/qr_encoder/config.rs:372:21
[INFO] [stderr]     |
[INFO] [stderr] 372 |         let total = one + two + three + four;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/qr_encoder/config.rs:407:33
[INFO] [stderr]     |
[INFO] [stderr] 407 |         let pattern_mask: u16 = 0b00001011101;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: consider: `0b000_0101_1101`
[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/qr_encoder/config.rs:408:33
[INFO] [stderr]     |
[INFO] [stderr] 408 |         let reverse_mask: u16 = 0b10111010000;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: consider: `0b101_1101_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/qr_encoder/config.rs:409:34
[INFO] [stderr]     |
[INFO] [stderr] 409 |         let remap_pattern: u16 = 0b11111111111;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^ help: consider: `0b111_1111_1111`
[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/qr_encoder/config.rs:431:33
[INFO] [stderr]     |
[INFO] [stderr] 431 |         let pattern_mask: u16 = 0b00001011101;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: consider: `0b000_0101_1101`
[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/qr_encoder/config.rs:432:33
[INFO] [stderr]     |
[INFO] [stderr] 432 |         let reverse_mask: u16 = 0b10111010000;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: consider: `0b101_1101_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/qr_encoder/config.rs:433:34
[INFO] [stderr]     |
[INFO] [stderr] 433 |         let remap_pattern: u16 = 0b11111111111;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^ help: consider: `0b111_1111_1111`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/qr_encoder/config.rs:980:17
[INFO] [stderr]     |
[INFO] [stderr] 980 |                 result
[INFO] [stderr]     |                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/qr_encoder/config.rs:975:30
[INFO] [stderr]     |
[INFO] [stderr] 975 |                   let result = match cell.module_type {
[INFO] [stderr]     |  ______________________________^
[INFO] [stderr] 976 | |                     CellType::None => true,
[INFO] [stderr] 977 | |                     _ => false
[INFO] [stderr] 978 | |                 };
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `second_byte` is never read
[INFO] [stderr]    --> src/qr_encoder/config.rs:634:21
[INFO] [stderr]     |
[INFO] [stderr] 634 |             let mut second_byte: u8 = data_length as u8;
[INFO] [stderr]     |                     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `end_y` is never read
[INFO] [stderr]    --> src/qr_encoder/config.rs:839:17
[INFO] [stderr]     |
[INFO] [stderr] 839 |         let mut end_y = 0;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/qr_encoder/util.rs:163:49
[INFO] [stderr]     |
[INFO] [stderr] 163 |       let (ec_cw_count, blocks): (usize, usize) = match err_correction_level {
[INFO] [stderr]     |  _________________________________________________^
[INFO] [stderr] 164 | |         &ECLevel::Low => (ecc_settings.0, block_count.0),
[INFO] [stderr] 165 | |         &ECLevel::Medium => (ecc_settings.1, block_count.1),
[INFO] [stderr] 166 | |         &ECLevel::Q => (ecc_settings.2, block_count.2),
[INFO] [stderr] 167 | |         &ECLevel::High => (ecc_settings.3, block_count.3)
[INFO] [stderr] 168 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 163 |     let (ec_cw_count, blocks): (usize, usize) = match *err_correction_level {
[INFO] [stderr] 164 |         ECLevel::Low => (ecc_settings.0, block_count.0),
[INFO] [stderr] 165 |         ECLevel::Medium => (ecc_settings.1, block_count.1),
[INFO] [stderr] 166 |         ECLevel::Q => (ecc_settings.2, block_count.2),
[INFO] [stderr] 167 |         ECLevel::High => (ecc_settings.3, block_count.3)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get_mut().unwrap()` on a slice. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/qr_encoder/config.rs:54:16
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let cell = body.get_mut(index).unwrap();
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `body[index]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `second_byte` is never read
[INFO] [stderr]    --> src/qr_encoder/config.rs:634:21
[INFO] [stderr]     |
[INFO] [stderr] 634 |             let mut second_byte: u8 = data_length as u8;
[INFO] [stderr]     |                     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `end_y` is never read
[INFO] [stderr]    --> src/qr_encoder/config.rs:839:17
[INFO] [stderr]     |
[INFO] [stderr] 839 |         let mut end_y = 0;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:269:13
[INFO] [stderr]     |
[INFO] [stderr] 269 | /             match body.get_mut(*i) {
[INFO] [stderr] 270 | |                 Some(c) => c.color = color,
[INFO] [stderr] 271 | |                 None => {}
[INFO] [stderr] 272 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Some(c) = body.get_mut(*i) { c.color = color }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:282:13
[INFO] [stderr]     |
[INFO] [stderr] 282 | /             match body.get_mut(*idx) {
[INFO] [stderr] 283 | |                 Some(c) => c.color = color,
[INFO] [stderr] 284 | |                 None => {}
[INFO] [stderr] 285 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Some(c) = body.get_mut(*idx) { c.color = color }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/qr_encoder/config.rs:298:41
[INFO] [stderr]     |
[INFO] [stderr] 298 |         let format_str = ecc_format_u16(data as u16, GEN_POLY_FORMAT, ECC_FORMAT_MASK);
[INFO] [stderr]     |                                         ^^^^^^^^^^^ help: try: `u16::from(data)`
[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: called `.get_mut().unwrap()` on a slice. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/qr_encoder/config.rs:314:24
[INFO] [stderr]     |
[INFO] [stderr] 314 |             let cell = body.get_mut(idx).unwrap();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `body[idx]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:353:13
[INFO] [stderr]     |
[INFO] [stderr] 353 | /             match cell.module_type {
[INFO] [stderr] 354 | |                 CellType::Message => {
[INFO] [stderr] 355 | |                     let flip_module = pattern(cell.point.0, cell.point.1);
[INFO] [stderr] 356 | |                     if flip_module && cell.is_black() {
[INFO] [stderr] ...   |
[INFO] [stderr] 362 | |                 _ => {}
[INFO] [stderr] 363 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 353 |             if let CellType::Message = cell.module_type {
[INFO] [stderr] 354 |     let flip_module = pattern(cell.point.0, cell.point.1);
[INFO] [stderr] 355 |     if flip_module && cell.is_black() {
[INFO] [stderr] 356 |         cell.color = Color { r: 255, g: 255, b: 255 };
[INFO] [stderr] 357 |     } else if flip_module {
[INFO] [stderr] 358 |         cell.color = Color { r: 0, g: 0, b: 0 };
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:367:45
[INFO] [stderr]     |
[INFO] [stderr] 367 |     pub fn eval_penalty_scores(&self, body: &Vec<Cell>) -> usize {
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:377:48
[INFO] [stderr]     |
[INFO] [stderr] 377 |     pub fn penalty_score_eval_two(&self, body: &Vec<Cell>) -> usize {
[INFO] [stderr]     |                                                ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]    --> src/qr_encoder/config.rs:391:46
[INFO] [stderr]     |
[INFO] [stderr] 391 |                 let square = adjacent_coords.into_iter()
[INFO] [stderr]     |                                              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:405:34
[INFO] [stderr]     |
[INFO] [stderr] 405 |     fn check_column(&self, body: &Vec<Cell>, column: isize) -> usize {
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:429:31
[INFO] [stderr]     |
[INFO] [stderr] 429 |     fn check_row(&self, body: &Vec<Cell>, row: isize) -> usize {
[INFO] [stderr]     |                               ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:453:50
[INFO] [stderr]     |
[INFO] [stderr] 453 |     pub fn penalty_score_eval_three(&self, body: &Vec<Cell>) -> usize {
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:463:48
[INFO] [stderr]     |
[INFO] [stderr] 463 |     pub fn penalty_score_eval_one(&self, body: &Vec<Cell>) -> usize {
[INFO] [stderr]     |                                                ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:528:49
[INFO] [stderr]     |
[INFO] [stderr] 528 |     pub fn penalty_score_eval_four(&self, body: &Vec<Cell>) -> usize {
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/qr_encoder/config.rs:576:13
[INFO] [stderr]     |
[INFO] [stderr] 576 |         let ref data = self.data;
[INFO] [stderr]     |         ----^^^^^^^^------------- help: try: `let data = &self.data;`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/qr_encoder/config.rs:577:13
[INFO] [stderr]     |
[INFO] [stderr] 577 |         let ref codewords = self.codewords;
[INFO] [stderr]     |         ----^^^^^^^^^^^^^------------------ help: try: `let codewords = &self.codewords;`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]    --> src/qr_encoder/config.rs:744:34
[INFO] [stderr]     |
[INFO] [stderr] 744 |             for index in indices.into_iter() {
[INFO] [stderr]     |                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:745:17
[INFO] [stderr]     |
[INFO] [stderr] 745 | /                 match body.get_mut(*index) {
[INFO] [stderr] 746 | |                     Some(cell) => {
[INFO] [stderr] 747 | |                         cell.module_type = CellType::VersionInformation;
[INFO] [stderr] 748 | |                         cell.color = Color { r: 200, g: 200, b: 123 };
[INFO] [stderr] 749 | |                     },
[INFO] [stderr] 750 | |                     None => {}
[INFO] [stderr] 751 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 745 |                 if let Some(cell) = body.get_mut(*index) {
[INFO] [stderr] 746 |     cell.module_type = CellType::VersionInformation;
[INFO] [stderr] 747 |     cell.color = Color { r: 200, g: 200, b: 123 };
[INFO] [stderr] 748 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:771:13
[INFO] [stderr]     |
[INFO] [stderr] 771 | /             match body.get_mut(idx) {
[INFO] [stderr] 772 | |                 Some(cell) => {
[INFO] [stderr] 773 | |                     cell.module_type = CellType::Format;
[INFO] [stderr] 774 | |                     cell.color = Color { r: 10, g: 140, b: 230 };
[INFO] [stderr] 775 | |                 },
[INFO] [stderr] 776 | |                 None => {}
[INFO] [stderr] 777 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 771 |             if let Some(cell) = body.get_mut(idx) {
[INFO] [stderr] 772 |     cell.module_type = CellType::Format;
[INFO] [stderr] 773 |     cell.color = Color { r: 10, g: 140, b: 230 };
[INFO] [stderr] 774 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:788:13
[INFO] [stderr]     |
[INFO] [stderr] 788 | /             match body.get_mut(idx) {
[INFO] [stderr] 789 | |                 Some(cell) => {
[INFO] [stderr] 790 | |                     cell.module_type = CellType::Format;
[INFO] [stderr] 791 | |                     cell.color = Color { r: 10, g: 140, b: 230 };
[INFO] [stderr] 792 | |                 },
[INFO] [stderr] 793 | |                 None => {}
[INFO] [stderr] 794 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 788 |             if let Some(cell) = body.get_mut(idx) {
[INFO] [stderr] 789 |     cell.module_type = CellType::Format;
[INFO] [stderr] 790 |     cell.color = Color { r: 10, g: 140, b: 230 };
[INFO] [stderr] 791 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:808:9
[INFO] [stderr]     |
[INFO] [stderr] 808 | /         match body.get_mut(idx) {
[INFO] [stderr] 809 | |             Some(cell) => {
[INFO] [stderr] 810 | |                 cell.module_type = CellType::DarkModule;
[INFO] [stderr] 811 | |                 cell.color = Color { r: 0, g: 0, b: 0 };
[INFO] [stderr] 812 | |             },
[INFO] [stderr] 813 | |             None => {}
[INFO] [stderr] 814 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 808 |         if let Some(cell) = body.get_mut(idx) {
[INFO] [stderr] 809 |     cell.module_type = CellType::DarkModule;
[INFO] [stderr] 810 |     cell.color = Color { r: 0, g: 0, b: 0 };
[INFO] [stderr] 811 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:817:74
[INFO] [stderr]     |
[INFO] [stderr] 817 |     pub fn apply_alignment_patterns(&self, body: &mut Vec<Cell>, points: &Vec<PlotPoint>) {
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^ help: change this to: `&[PlotPoint]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:820:13
[INFO] [stderr]     |
[INFO] [stderr] 820 | /             match body.get_mut(idx) {
[INFO] [stderr] 821 | |                 Some(cell) => {
[INFO] [stderr] 822 | |                     cell.module_type = CellType::Alignment;
[INFO] [stderr] 823 | |                     cell.color = plot_point.color
[INFO] [stderr] 824 | |                 },
[INFO] [stderr] 825 | |                 None => {}
[INFO] [stderr] 826 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 820 |             if let Some(cell) = body.get_mut(idx) {
[INFO] [stderr] 821 |     cell.module_type = CellType::Alignment;
[INFO] [stderr] 822 |     cell.color = plot_point.color
[INFO] [stderr] 823 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]    --> src/qr_encoder/config.rs:876:48
[INFO] [stderr]     |
[INFO] [stderr] 876 |               } else if end_y > y && start_x > y {
[INFO] [stderr]     |  ________________________________________________^
[INFO] [stderr] 877 | |                 y += 1;
[INFO] [stderr] 878 | |             } else if (end_x > 0 && end_x - 1 > x) && end_y == y {
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]    --> src/qr_encoder/config.rs:874:51
[INFO] [stderr]     |
[INFO] [stderr] 874 |               } else if end_x == x && end_y - 1 > y {
[INFO] [stderr]     |  ___________________________________________________^
[INFO] [stderr] 875 | |                 y += 1;
[INFO] [stderr] 876 | |             } else if end_y > y && start_x > y {
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:889:13
[INFO] [stderr]     |
[INFO] [stderr] 889 | /             match body.get_mut(idx) {
[INFO] [stderr] 890 | |                 Some(cell) => {
[INFO] [stderr] 891 | |                     cell.module_type = CellType::Finder;
[INFO] [stderr] 892 | |                     cell.color = plot_point.color
[INFO] [stderr] 893 | |                 },
[INFO] [stderr] 894 | |                 None => {}
[INFO] [stderr] 895 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 889 |             if let Some(cell) = body.get_mut(idx) {
[INFO] [stderr] 890 |     cell.module_type = CellType::Finder;
[INFO] [stderr] 891 |     cell.color = plot_point.color
[INFO] [stderr] 892 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:907:13
[INFO] [stderr]     |
[INFO] [stderr] 907 | /             match body.get_mut(idx) {
[INFO] [stderr] 908 | |                 Some(cell) => {
[INFO] [stderr] 909 | |                     match cell.module_type {
[INFO] [stderr] 910 | |                         CellType::None | CellType::Format => {
[INFO] [stderr] ...   |
[INFO] [stderr] 924 | |                 None => {}
[INFO] [stderr] 925 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 907 |             if let Some(cell) = body.get_mut(idx) {
[INFO] [stderr] 908 |     match cell.module_type {
[INFO] [stderr] 909 |         CellType::None | CellType::Format => {
[INFO] [stderr] 910 |             let direction = if y > x {
[INFO] [stderr] 911 |                 y
[INFO] [stderr] 912 |             } else {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:937:46
[INFO] [stderr]     |
[INFO] [stderr] 937 |     pub fn get_alignment_points(&self, body: &Vec<Cell>) -> Vec<PlotPoint> {
[INFO] [stderr]     |                                              ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
[INFO] [stderr]    --> src/qr_encoder/config.rs:992:36
[INFO] [stderr]     |
[INFO] [stderr] 992 |         let xnumbers: Vec<usize> = numbers.iter().cloned().collect();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::iter_cloned_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `qr-encode`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/qr_encoder/util.rs:163:49
[INFO] [stderr]     |
[INFO] [stderr] 163 |       let (ec_cw_count, blocks): (usize, usize) = match err_correction_level {
[INFO] [stderr]     |  _________________________________________________^
[INFO] [stderr] 164 | |         &ECLevel::Low => (ecc_settings.0, block_count.0),
[INFO] [stderr] 165 | |         &ECLevel::Medium => (ecc_settings.1, block_count.1),
[INFO] [stderr] 166 | |         &ECLevel::Q => (ecc_settings.2, block_count.2),
[INFO] [stderr] 167 | |         &ECLevel::High => (ecc_settings.3, block_count.3)
[INFO] [stderr] 168 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 163 |     let (ec_cw_count, blocks): (usize, usize) = match *err_correction_level {
[INFO] [stderr] 164 |         ECLevel::Low => (ecc_settings.0, block_count.0),
[INFO] [stderr] 165 |         ECLevel::Medium => (ecc_settings.1, block_count.1),
[INFO] [stderr] 166 |         ECLevel::Q => (ecc_settings.2, block_count.2),
[INFO] [stderr] 167 |         ECLevel::High => (ecc_settings.3, block_count.3)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get_mut().unwrap()` on a slice. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/qr_encoder/config.rs:54:16
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let cell = body.get_mut(index).unwrap();
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `body[index]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:269:13
[INFO] [stderr]     |
[INFO] [stderr] 269 | /             match body.get_mut(*i) {
[INFO] [stderr] 270 | |                 Some(c) => c.color = color,
[INFO] [stderr] 271 | |                 None => {}
[INFO] [stderr] 272 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Some(c) = body.get_mut(*i) { c.color = color }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:282:13
[INFO] [stderr]     |
[INFO] [stderr] 282 | /             match body.get_mut(*idx) {
[INFO] [stderr] 283 | |                 Some(c) => c.color = color,
[INFO] [stderr] 284 | |                 None => {}
[INFO] [stderr] 285 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Some(c) = body.get_mut(*idx) { c.color = color }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/qr_encoder/config.rs:298:41
[INFO] [stderr]     |
[INFO] [stderr] 298 |         let format_str = ecc_format_u16(data as u16, GEN_POLY_FORMAT, ECC_FORMAT_MASK);
[INFO] [stderr]     |                                         ^^^^^^^^^^^ help: try: `u16::from(data)`
[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: called `.get_mut().unwrap()` on a slice. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/qr_encoder/config.rs:314:24
[INFO] [stderr]     |
[INFO] [stderr] 314 |             let cell = body.get_mut(idx).unwrap();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `body[idx]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:353:13
[INFO] [stderr]     |
[INFO] [stderr] 353 | /             match cell.module_type {
[INFO] [stderr] 354 | |                 CellType::Message => {
[INFO] [stderr] 355 | |                     let flip_module = pattern(cell.point.0, cell.point.1);
[INFO] [stderr] 356 | |                     if flip_module && cell.is_black() {
[INFO] [stderr] ...   |
[INFO] [stderr] 362 | |                 _ => {}
[INFO] [stderr] 363 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 353 |             if let CellType::Message = cell.module_type {
[INFO] [stderr] 354 |     let flip_module = pattern(cell.point.0, cell.point.1);
[INFO] [stderr] 355 |     if flip_module && cell.is_black() {
[INFO] [stderr] 356 |         cell.color = Color { r: 255, g: 255, b: 255 };
[INFO] [stderr] 357 |     } else if flip_module {
[INFO] [stderr] 358 |         cell.color = Color { r: 0, g: 0, b: 0 };
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:367:45
[INFO] [stderr]     |
[INFO] [stderr] 367 |     pub fn eval_penalty_scores(&self, body: &Vec<Cell>) -> usize {
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:377:48
[INFO] [stderr]     |
[INFO] [stderr] 377 |     pub fn penalty_score_eval_two(&self, body: &Vec<Cell>) -> usize {
[INFO] [stderr]     |                                                ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]    --> src/qr_encoder/config.rs:391:46
[INFO] [stderr]     |
[INFO] [stderr] 391 |                 let square = adjacent_coords.into_iter()
[INFO] [stderr]     |                                              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:405:34
[INFO] [stderr]     |
[INFO] [stderr] 405 |     fn check_column(&self, body: &Vec<Cell>, column: isize) -> usize {
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:429:31
[INFO] [stderr]     |
[INFO] [stderr] 429 |     fn check_row(&self, body: &Vec<Cell>, row: isize) -> usize {
[INFO] [stderr]     |                               ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:453:50
[INFO] [stderr]     |
[INFO] [stderr] 453 |     pub fn penalty_score_eval_three(&self, body: &Vec<Cell>) -> usize {
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:463:48
[INFO] [stderr]     |
[INFO] [stderr] 463 |     pub fn penalty_score_eval_one(&self, body: &Vec<Cell>) -> usize {
[INFO] [stderr]     |                                                ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:528:49
[INFO] [stderr]     |
[INFO] [stderr] 528 |     pub fn penalty_score_eval_four(&self, body: &Vec<Cell>) -> usize {
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/qr_encoder/config.rs:576:13
[INFO] [stderr]     |
[INFO] [stderr] 576 |         let ref data = self.data;
[INFO] [stderr]     |         ----^^^^^^^^------------- help: try: `let data = &self.data;`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/qr_encoder/config.rs:577:13
[INFO] [stderr]     |
[INFO] [stderr] 577 |         let ref codewords = self.codewords;
[INFO] [stderr]     |         ----^^^^^^^^^^^^^------------------ help: try: `let codewords = &self.codewords;`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]    --> src/qr_encoder/config.rs:744:34
[INFO] [stderr]     |
[INFO] [stderr] 744 |             for index in indices.into_iter() {
[INFO] [stderr]     |                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:745:17
[INFO] [stderr]     |
[INFO] [stderr] 745 | /                 match body.get_mut(*index) {
[INFO] [stderr] 746 | |                     Some(cell) => {
[INFO] [stderr] 747 | |                         cell.module_type = CellType::VersionInformation;
[INFO] [stderr] 748 | |                         cell.color = Color { r: 200, g: 200, b: 123 };
[INFO] [stderr] 749 | |                     },
[INFO] [stderr] 750 | |                     None => {}
[INFO] [stderr] 751 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 745 |                 if let Some(cell) = body.get_mut(*index) {
[INFO] [stderr] 746 |     cell.module_type = CellType::VersionInformation;
[INFO] [stderr] 747 |     cell.color = Color { r: 200, g: 200, b: 123 };
[INFO] [stderr] 748 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:771:13
[INFO] [stderr]     |
[INFO] [stderr] 771 | /             match body.get_mut(idx) {
[INFO] [stderr] 772 | |                 Some(cell) => {
[INFO] [stderr] 773 | |                     cell.module_type = CellType::Format;
[INFO] [stderr] 774 | |                     cell.color = Color { r: 10, g: 140, b: 230 };
[INFO] [stderr] 775 | |                 },
[INFO] [stderr] 776 | |                 None => {}
[INFO] [stderr] 777 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 771 |             if let Some(cell) = body.get_mut(idx) {
[INFO] [stderr] 772 |     cell.module_type = CellType::Format;
[INFO] [stderr] 773 |     cell.color = Color { r: 10, g: 140, b: 230 };
[INFO] [stderr] 774 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:788:13
[INFO] [stderr]     |
[INFO] [stderr] 788 | /             match body.get_mut(idx) {
[INFO] [stderr] 789 | |                 Some(cell) => {
[INFO] [stderr] 790 | |                     cell.module_type = CellType::Format;
[INFO] [stderr] 791 | |                     cell.color = Color { r: 10, g: 140, b: 230 };
[INFO] [stderr] 792 | |                 },
[INFO] [stderr] 793 | |                 None => {}
[INFO] [stderr] 794 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 788 |             if let Some(cell) = body.get_mut(idx) {
[INFO] [stderr] 789 |     cell.module_type = CellType::Format;
[INFO] [stderr] 790 |     cell.color = Color { r: 10, g: 140, b: 230 };
[INFO] [stderr] 791 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:808:9
[INFO] [stderr]     |
[INFO] [stderr] 808 | /         match body.get_mut(idx) {
[INFO] [stderr] 809 | |             Some(cell) => {
[INFO] [stderr] 810 | |                 cell.module_type = CellType::DarkModule;
[INFO] [stderr] 811 | |                 cell.color = Color { r: 0, g: 0, b: 0 };
[INFO] [stderr] 812 | |             },
[INFO] [stderr] 813 | |             None => {}
[INFO] [stderr] 814 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 808 |         if let Some(cell) = body.get_mut(idx) {
[INFO] [stderr] 809 |     cell.module_type = CellType::DarkModule;
[INFO] [stderr] 810 |     cell.color = Color { r: 0, g: 0, b: 0 };
[INFO] [stderr] 811 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:817:74
[INFO] [stderr]     |
[INFO] [stderr] 817 |     pub fn apply_alignment_patterns(&self, body: &mut Vec<Cell>, points: &Vec<PlotPoint>) {
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^ help: change this to: `&[PlotPoint]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:820:13
[INFO] [stderr]     |
[INFO] [stderr] 820 | /             match body.get_mut(idx) {
[INFO] [stderr] 821 | |                 Some(cell) => {
[INFO] [stderr] 822 | |                     cell.module_type = CellType::Alignment;
[INFO] [stderr] 823 | |                     cell.color = plot_point.color
[INFO] [stderr] 824 | |                 },
[INFO] [stderr] 825 | |                 None => {}
[INFO] [stderr] 826 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 820 |             if let Some(cell) = body.get_mut(idx) {
[INFO] [stderr] 821 |     cell.module_type = CellType::Alignment;
[INFO] [stderr] 822 |     cell.color = plot_point.color
[INFO] [stderr] 823 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]    --> src/qr_encoder/config.rs:876:48
[INFO] [stderr]     |
[INFO] [stderr] 876 |               } else if end_y > y && start_x > y {
[INFO] [stderr]     |  ________________________________________________^
[INFO] [stderr] 877 | |                 y += 1;
[INFO] [stderr] 878 | |             } else if (end_x > 0 && end_x - 1 > x) && end_y == y {
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]    --> src/qr_encoder/config.rs:874:51
[INFO] [stderr]     |
[INFO] [stderr] 874 |               } else if end_x == x && end_y - 1 > y {
[INFO] [stderr]     |  ___________________________________________________^
[INFO] [stderr] 875 | |                 y += 1;
[INFO] [stderr] 876 | |             } else if end_y > y && start_x > y {
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:889:13
[INFO] [stderr]     |
[INFO] [stderr] 889 | /             match body.get_mut(idx) {
[INFO] [stderr] 890 | |                 Some(cell) => {
[INFO] [stderr] 891 | |                     cell.module_type = CellType::Finder;
[INFO] [stderr] 892 | |                     cell.color = plot_point.color
[INFO] [stderr] 893 | |                 },
[INFO] [stderr] 894 | |                 None => {}
[INFO] [stderr] 895 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 889 |             if let Some(cell) = body.get_mut(idx) {
[INFO] [stderr] 890 |     cell.module_type = CellType::Finder;
[INFO] [stderr] 891 |     cell.color = plot_point.color
[INFO] [stderr] 892 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/qr_encoder/config.rs:907:13
[INFO] [stderr]     |
[INFO] [stderr] 907 | /             match body.get_mut(idx) {
[INFO] [stderr] 908 | |                 Some(cell) => {
[INFO] [stderr] 909 | |                     match cell.module_type {
[INFO] [stderr] 910 | |                         CellType::None | CellType::Format => {
[INFO] [stderr] ...   |
[INFO] [stderr] 924 | |                 None => {}
[INFO] [stderr] 925 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 907 |             if let Some(cell) = body.get_mut(idx) {
[INFO] [stderr] 908 |     match cell.module_type {
[INFO] [stderr] 909 |         CellType::None | CellType::Format => {
[INFO] [stderr] 910 |             let direction = if y > x {
[INFO] [stderr] 911 |                 y
[INFO] [stderr] 912 |             } else {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/qr_encoder/config.rs:937:46
[INFO] [stderr]     |
[INFO] [stderr] 937 |     pub fn get_alignment_points(&self, body: &Vec<Cell>) -> Vec<PlotPoint> {
[INFO] [stderr]     |                                              ^^^^^^^^^^ help: change this to: `&[Cell]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
[INFO] [stderr]    --> src/qr_encoder/config.rs:992:36
[INFO] [stderr]     |
[INFO] [stderr] 992 |         let xnumbers: Vec<usize> = numbers.iter().cloned().collect();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::iter_cloned_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `qr-encode`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "de909b4b924e52394d44bda1995289283f3bcbba5f529259c3d7188fb8d1ec30"`
[INFO] running `"docker" "rm" "-f" "de909b4b924e52394d44bda1995289283f3bcbba5f529259c3d7188fb8d1ec30"`
[INFO] [stdout] de909b4b924e52394d44bda1995289283f3bcbba5f529259c3d7188fb8d1ec30