[INFO] crate partners 0.2.1 is already in cache
[INFO] extracting crate partners 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/partners/0.2.1
[INFO] extracting crate partners 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/partners/0.2.1
[INFO] validating manifest of partners-0.2.1 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 partners-0.2.1 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 partners-0.2.1
[INFO] finished frobbing partners-0.2.1
[INFO] frobbed toml for partners-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/partners/0.2.1/Cargo.toml
[INFO] started frobbing partners-0.2.1
[INFO] finished frobbing partners-0.2.1
[INFO] frobbed toml for partners-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/partners/0.2.1/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 partners-0.2.1 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/partners/0.2.1:/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] a80a96b2204b861c77f2f1b2024fcf6c392cdb44ffc036bdcfc16b6fb58f1c6b
[INFO] running `"docker" "start" "-a" "a80a96b2204b861c77f2f1b2024fcf6c392cdb44ffc036bdcfc16b6fb58f1c6b"`
[INFO] [stderr]     Checking partners v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/git.rs:105:25
[INFO] [stderr]     |
[INFO] [stderr] 105 |             Ok(Author { nick: nick, name: name, email: email })
[INFO] [stderr]     |                         ^^^^^^^^^^ help: replace it with: `nick`
[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/git.rs:105:37
[INFO] [stderr]     |
[INFO] [stderr] 105 |             Ok(Author { nick: nick, name: name, email: email })
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: replace it with: `name`
[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/git.rs:105:49
[INFO] [stderr]     |
[INFO] [stderr] 105 |             Ok(Author { nick: nick, name: name, email: email })
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^ help: replace it with: `email`
[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/git.rs:130:21
[INFO] [stderr]     |
[INFO] [stderr] 130 |         Ok(Author { nick: nick, name: name, email: email })
[INFO] [stderr]     |                     ^^^^^^^^^^ help: replace it with: `nick`
[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/git.rs:130:33
[INFO] [stderr]     |
[INFO] [stderr] 130 |         Ok(Author { nick: nick, name: name, email: email })
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: replace it with: `name`
[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/git.rs:130:45
[INFO] [stderr]     |
[INFO] [stderr] 130 |         Ok(Author { nick: nick, name: name, email: email })
[INFO] [stderr]     |                                             ^^^^^^^^^^^^ help: replace it with: `email`
[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/author_selection.rs:17:34
[INFO] [stderr]    |
[INFO] [stderr] 17 |             Ok(AuthorSelection { config: config, authors: authors })
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: replace it with: `config`
[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/author_selection.rs:17:50
[INFO] [stderr]    |
[INFO] [stderr] 17 |             Ok(AuthorSelection { config: config, authors: authors })
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^ help: replace it with: `authors`
[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/commands/add.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let author = Author { nick: nick, name: name, email: email };
[INFO] [stderr]    |                           ^^^^^^^^^^ help: replace it with: `nick`
[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/commands/add.rs:12:39
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let author = Author { nick: nick, name: name, email: email };
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: replace it with: `name`
[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/commands/add.rs:12:51
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let author = Author { nick: nick, name: name, email: email };
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^ help: replace it with: `email`
[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/commands/initial.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let author = Author { nick: nick, name: name, email: email };
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: replace it with: `nick`
[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/commands/initial.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let author = Author { nick: nick, name: name, email: email };
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: replace it with: `name`
[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/commands/initial.rs:42:59
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let author = Author { nick: nick, name: name, email: email };
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^ help: replace it with: `email`
[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: using `writeln!(file, "")`
[INFO] [stderr]   --> src/helpers.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     writeln!(file, "")?;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(file)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/git.rs:105:25
[INFO] [stderr]     |
[INFO] [stderr] 105 |             Ok(Author { nick: nick, name: name, email: email })
[INFO] [stderr]     |                         ^^^^^^^^^^ help: replace it with: `nick`
[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/git.rs:105:37
[INFO] [stderr]     |
[INFO] [stderr] 105 |             Ok(Author { nick: nick, name: name, email: email })
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: replace it with: `name`
[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/git.rs:105:49
[INFO] [stderr]     |
[INFO] [stderr] 105 |             Ok(Author { nick: nick, name: name, email: email })
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^ help: replace it with: `email`
[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/git.rs:130:21
[INFO] [stderr]     |
[INFO] [stderr] 130 |         Ok(Author { nick: nick, name: name, email: email })
[INFO] [stderr]     |                     ^^^^^^^^^^ help: replace it with: `nick`
[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/git.rs:130:33
[INFO] [stderr]     |
[INFO] [stderr] 130 |         Ok(Author { nick: nick, name: name, email: email })
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: replace it with: `name`
[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/git.rs:130:45
[INFO] [stderr]     |
[INFO] [stderr] 130 |         Ok(Author { nick: nick, name: name, email: email })
[INFO] [stderr]     |                                             ^^^^^^^^^^^^ help: replace it with: `email`
[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/author_selection.rs:17:34
[INFO] [stderr]    |
[INFO] [stderr] 17 |             Ok(AuthorSelection { config: config, authors: authors })
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: replace it with: `config`
[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/author_selection.rs:17:50
[INFO] [stderr]    |
[INFO] [stderr] 17 |             Ok(AuthorSelection { config: config, authors: authors })
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^ help: replace it with: `authors`
[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/commands/add.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let author = Author { nick: nick, name: name, email: email };
[INFO] [stderr]    |                           ^^^^^^^^^^ help: replace it with: `nick`
[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/commands/add.rs:12:39
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let author = Author { nick: nick, name: name, email: email };
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: replace it with: `name`
[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/commands/add.rs:12:51
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let author = Author { nick: nick, name: name, email: email };
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^ help: replace it with: `email`
[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/commands/initial.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let author = Author { nick: nick, name: name, email: email };
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: replace it with: `nick`
[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/commands/initial.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let author = Author { nick: nick, name: name, email: email };
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: replace it with: `name`
[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/commands/initial.rs:42:59
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let author = Author { nick: nick, name: name, email: email };
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^ help: replace it with: `email`
[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: using `writeln!(file, "")`
[INFO] [stderr]   --> src/helpers.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     writeln!(file, "")?;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(file)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/git.rs:134:69
[INFO] [stderr]     |
[INFO] [stderr] 134 |         self.authors().ok().and_then(|val| val.into_iter().find(|a| &a.nick == nick))
[INFO] [stderr]     |                                                                     -------^^^^^^^^
[INFO] [stderr]     |                                                                     |
[INFO] [stderr]     |                                                                     help: use the left value directly: `a.nick`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]    --> src/git.rs:153:16
[INFO] [stderr]     |
[INFO] [stderr] 153 |           if let Ok(_) = self.find_authors(&[nick]) {
[INFO] [stderr]     |  _________-      ^^^^^
[INFO] [stderr] 154 | |             read_result(command.arg("--remove-section").arg(&section_name))?;
[INFO] [stderr] 155 | |         } else {
[INFO] [stderr] 156 | |             // probably already removed, do nothing
[INFO] [stderr] 157 | |         }
[INFO] [stderr]     | |_________- help: try this: `if self.find_authors(&[nick]).is_ok()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/author_selection.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |         if authors.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `authors.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/helpers.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Ok(line == "" || line == "y" || line == "y")
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Ok(line == "y" || line == "")
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 18 |             Ok(!(line != "" && line != "y"))
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/git.rs:134:69
[INFO] [stderr]     |
[INFO] [stderr] 134 |         self.authors().ok().and_then(|val| val.into_iter().find(|a| &a.nick == nick))
[INFO] [stderr]     |                                                                     -------^^^^^^^^
[INFO] [stderr]     |                                                                     |
[INFO] [stderr]     |                                                                     help: use the left value directly: `a.nick`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]    --> src/git.rs:153:16
[INFO] [stderr]     |
[INFO] [stderr] 153 |           if let Ok(_) = self.find_authors(&[nick]) {
[INFO] [stderr]     |  _________-      ^^^^^
[INFO] [stderr] 154 | |             read_result(command.arg("--remove-section").arg(&section_name))?;
[INFO] [stderr] 155 | |         } else {
[INFO] [stderr] 156 | |             // probably already removed, do nothing
[INFO] [stderr] 157 | |         }
[INFO] [stderr]     | |_________- help: try this: `if self.find_authors(&[nick]).is_ok()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/author_selection.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |         if authors.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `authors.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/helpers.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Ok(line == "" || line == "y" || line == "y")
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Ok(line == "y" || line == "")
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 18 |             Ok(!(line != "" && line != "y"))
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "a80a96b2204b861c77f2f1b2024fcf6c392cdb44ffc036bdcfc16b6fb58f1c6b"`
[INFO] running `"docker" "rm" "-f" "a80a96b2204b861c77f2f1b2024fcf6c392cdb44ffc036bdcfc16b6fb58f1c6b"`
[INFO] [stdout] a80a96b2204b861c77f2f1b2024fcf6c392cdb44ffc036bdcfc16b6fb58f1c6b