[INFO] updating cached repository amk91/config_exchanger
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amk91/config_exchanger
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amk91/config_exchanger" "work/ex/clippy-test-run/sources/stable/gh/amk91/config_exchanger"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/amk91/config_exchanger'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amk91/config_exchanger" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/amk91/config_exchanger"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/amk91/config_exchanger'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f6d4b4dba2625887202d3e8b3697f65e21b1fd4
[INFO] sha for GitHub repo amk91/config_exchanger: 4f6d4b4dba2625887202d3e8b3697f65e21b1fd4
[INFO] validating manifest of amk91/config_exchanger 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 amk91/config_exchanger 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 amk91/config_exchanger
[INFO] finished frobbing amk91/config_exchanger
[INFO] frobbed toml for amk91/config_exchanger written to work/ex/clippy-test-run/sources/stable/gh/amk91/config_exchanger/Cargo.toml
[INFO] started frobbing amk91/config_exchanger
[INFO] finished frobbing amk91/config_exchanger
[INFO] frobbed toml for amk91/config_exchanger written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/amk91/config_exchanger/Cargo.toml
[INFO] crate amk91/config_exchanger 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 amk91/config_exchanger against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/amk91/config_exchanger:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6c73cdc7eaeac6c6a3f2efecf9d084e9a04ae48dd2611ed89411d6d48a38c23a
[INFO] running `"docker" "start" "-a" "6c73cdc7eaeac6c6a3f2efecf9d084e9a04ae48dd2611ed89411d6d48a38c23a"`
[INFO] [stderr]     Checking xmlparser v0.6.0
[INFO] [stderr]     Checking config_exchanger v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/main.rs:386:5
[INFO] [stderr]     |
[INFO] [stderr] 386 |     file
[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/main.rs:378:16
[INFO] [stderr]     |
[INFO] [stderr] 378 |       let file = match File::create(path) {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 379 | |         Ok(file) => file,
[INFO] [stderr] 380 | |         Err(error) => {
[INFO] [stderr] 381 | |             panic!("Error on creating file: {}",
[INFO] [stderr] 382 | |                 error.description());
[INFO] [stderr] 383 | |         }
[INFO] [stderr] 384 | |     };
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/main.rs:386:5
[INFO] [stderr]     |
[INFO] [stderr] 386 |     file
[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/main.rs:378:16
[INFO] [stderr]     |
[INFO] [stderr] 378 |       let file = match File::create(path) {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 379 | |         Ok(file) => file,
[INFO] [stderr] 380 | |         Err(error) => {
[INFO] [stderr] 381 | |             panic!("Error on creating file: {}",
[INFO] [stderr] 382 | |                 error.description());
[INFO] [stderr] 383 | |         }
[INFO] [stderr] 384 | |     };
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 |     tags_to_ignore: &Vec<String>
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:194:18
[INFO] [stderr]     |
[INFO] [stderr] 194 |     update_list: &Vec<(String, String)>,
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(String, String)]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/main.rs:269:37
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 let mut new_value = String::from(value.to_string());
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `value.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/main.rs:351:5
[INFO] [stderr]     |
[INFO] [stderr] 351 | /     let _ = match file.read_to_string(&mut text) {
[INFO] [stderr] 352 | |         Ok(_) => { },
[INFO] [stderr] 353 | |         Err(error) => {
[INFO] [stderr] 354 | |             panic!("Error on reading file {}: {}",
[INFO] [stderr] ...   |
[INFO] [stderr] 358 | |         },
[INFO] [stderr] 359 | |     };
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[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/main.rs:365:5
[INFO] [stderr]     |
[INFO] [stderr] 365 | /     match rename(path, String::from(path) + ".OLD") {
[INFO] [stderr] 366 | |         Err(error) => {
[INFO] [stderr] 367 | |             panic!(
[INFO] [stderr] 368 | |                 "Error on renaming {}: {}",
[INFO] [stderr] ...   |
[INFO] [stderr] 375 | |         },
[INFO] [stderr] 376 | |     }
[INFO] [stderr]     | |_____^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 365 |     if let Err(error) = rename(path, String::from(path) + ".OLD") {
[INFO] [stderr] 366 |     panic!(
[INFO] [stderr] 367 |         "Error on renaming {}: {}",
[INFO] [stderr] 368 |         path,
[INFO] [stderr] 369 |         error.description()
[INFO] [stderr] 370 |     );
[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/main.rs:390:5
[INFO] [stderr]     |
[INFO] [stderr] 390 | /     match file.write_all(buffer.as_bytes()) {
[INFO] [stderr] 391 | |         Err(error) => {
[INFO] [stderr] 392 | |             panic!(
[INFO] [stderr] 393 | |                 "Unable to write data in the 
[INFO] [stderr] ...   |
[INFO] [stderr] 401 | |         }
[INFO] [stderr] 402 | |     }
[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] 390 |     if let Err(error) = file.write_all(buffer.as_bytes()) {
[INFO] [stderr] 391 |     panic!(
[INFO] [stderr] 392 |         "Unable to write data in the 
[INFO] [stderr] 393 |             new file on {}: {}",
[INFO] [stderr] 394 |         section,
[INFO] [stderr] 395 |         error.description()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:431:46
[INFO] [stderr]     |
[INFO] [stderr] 431 |             if let Some(source) = line.split("=").nth(1) {
[INFO] [stderr]     |                                              ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:446:51
[INFO] [stderr]     |
[INFO] [stderr] 446 |             if let Some(destination) = line.split("=").nth(1) {
[INFO] [stderr]     |                                                   ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:457:44
[INFO] [stderr]     |
[INFO] [stderr] 457 |             if let Some(sort) = line.split("=").nth(1) {
[INFO] [stderr]     |                                            ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:472:45
[INFO] [stderr]     |
[INFO] [stderr] 472 |             if let Some(value) = line.split("=").nth(1) {
[INFO] [stderr]     |                                             ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:487:44
[INFO] [stderr]     |
[INFO] [stderr] 487 |             if let Some(tags) = line.split("=").nth(1) {
[INFO] [stderr]     |                                            ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:488:28
[INFO] [stderr]     |
[INFO] [stderr] 488 |                 tags.split(",").for_each(|x| {
[INFO] [stderr]     |                            ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[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/main.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 |     tags_to_ignore: &Vec<String>
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:194:18
[INFO] [stderr]     |
[INFO] [stderr] 194 |     update_list: &Vec<(String, String)>,
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(String, String)]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/main.rs:269:37
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 let mut new_value = String::from(value.to_string());
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `value.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/main.rs:351:5
[INFO] [stderr]     |
[INFO] [stderr] 351 | /     let _ = match file.read_to_string(&mut text) {
[INFO] [stderr] 352 | |         Ok(_) => { },
[INFO] [stderr] 353 | |         Err(error) => {
[INFO] [stderr] 354 | |             panic!("Error on reading file {}: {}",
[INFO] [stderr] ...   |
[INFO] [stderr] 358 | |         },
[INFO] [stderr] 359 | |     };
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[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/main.rs:365:5
[INFO] [stderr]     |
[INFO] [stderr] 365 | /     match rename(path, String::from(path) + ".OLD") {
[INFO] [stderr] 366 | |         Err(error) => {
[INFO] [stderr] 367 | |             panic!(
[INFO] [stderr] 368 | |                 "Error on renaming {}: {}",
[INFO] [stderr] ...   |
[INFO] [stderr] 375 | |         },
[INFO] [stderr] 376 | |     }
[INFO] [stderr]     | |_____^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 365 |     if let Err(error) = rename(path, String::from(path) + ".OLD") {
[INFO] [stderr] 366 |     panic!(
[INFO] [stderr] 367 |         "Error on renaming {}: {}",
[INFO] [stderr] 368 |         path,
[INFO] [stderr] 369 |         error.description()
[INFO] [stderr] 370 |     );
[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/main.rs:390:5
[INFO] [stderr]     |
[INFO] [stderr] 390 | /     match file.write_all(buffer.as_bytes()) {
[INFO] [stderr] 391 | |         Err(error) => {
[INFO] [stderr] 392 | |             panic!(
[INFO] [stderr] 393 | |                 "Unable to write data in the 
[INFO] [stderr] ...   |
[INFO] [stderr] 401 | |         }
[INFO] [stderr] 402 | |     }
[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] 390 |     if let Err(error) = file.write_all(buffer.as_bytes()) {
[INFO] [stderr] 391 |     panic!(
[INFO] [stderr] 392 |         "Unable to write data in the 
[INFO] [stderr] 393 |             new file on {}: {}",
[INFO] [stderr] 394 |         section,
[INFO] [stderr] 395 |         error.description()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:431:46
[INFO] [stderr]     |
[INFO] [stderr] 431 |             if let Some(source) = line.split("=").nth(1) {
[INFO] [stderr]     |                                              ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:446:51
[INFO] [stderr]     |
[INFO] [stderr] 446 |             if let Some(destination) = line.split("=").nth(1) {
[INFO] [stderr]     |                                                   ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:457:44
[INFO] [stderr]     |
[INFO] [stderr] 457 |             if let Some(sort) = line.split("=").nth(1) {
[INFO] [stderr]     |                                            ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:472:45
[INFO] [stderr]     |
[INFO] [stderr] 472 |             if let Some(value) = line.split("=").nth(1) {
[INFO] [stderr]     |                                             ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:487:44
[INFO] [stderr]     |
[INFO] [stderr] 487 |             if let Some(tags) = line.split("=").nth(1) {
[INFO] [stderr]     |                                            ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:488:28
[INFO] [stderr]     |
[INFO] [stderr] 488 |                 tags.split(",").for_each(|x| {
[INFO] [stderr]     |                            ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `"docker" "inspect" "6c73cdc7eaeac6c6a3f2efecf9d084e9a04ae48dd2611ed89411d6d48a38c23a"`
[INFO] running `"docker" "rm" "-f" "6c73cdc7eaeac6c6a3f2efecf9d084e9a04ae48dd2611ed89411d6d48a38c23a"`
[INFO] [stdout] 6c73cdc7eaeac6c6a3f2efecf9d084e9a04ae48dd2611ed89411d6d48a38c23a