[INFO] crate mg-settings 0.4.3 is already in cache
[INFO] extracting crate mg-settings 0.4.3 into work/ex/clippy-test-run/sources/stable/reg/mg-settings/0.4.3
[INFO] extracting crate mg-settings 0.4.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mg-settings/0.4.3
[INFO] validating manifest of mg-settings-0.4.3 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 mg-settings-0.4.3 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 mg-settings-0.4.3
[INFO] finished frobbing mg-settings-0.4.3
[INFO] frobbed toml for mg-settings-0.4.3 written to work/ex/clippy-test-run/sources/stable/reg/mg-settings/0.4.3/Cargo.toml
[INFO] started frobbing mg-settings-0.4.3
[INFO] finished frobbing mg-settings-0.4.3
[INFO] frobbed toml for mg-settings-0.4.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mg-settings/0.4.3/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 mg-settings-0.4.3 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/mg-settings/0.4.3:/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] 6e4a04a7d3cb698d222ba7bacfc475ae58da83aa8901ad17c98f484c2bb36564
[INFO] running `"docker" "start" "-a" "6e4a04a7d3cb698d222ba7bacfc475ae58da83aa8901ad17c98f484c2bb36564"`
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling mg-settings-macros v0.4.2
[INFO] [stderr]     Checking mg-settings v0.4.3 (/opt/crater/workdir)
[INFO] [stderr] warning: lint name `new_ret_no_self` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/errors/mod.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 |     #[allow(unknown_lints, new_ret_no_self)]
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: change it to: `clippy::new_ret_no_self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/errors/mod.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             expected: expected,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `expected`
[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/errors/mod.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             pos: pos,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `pos`
[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/errors/mod.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             typ: typ,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `typ`
[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/errors/mod.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |             unexpected: unexpected,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `unexpected`
[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/position.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             column: column,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `column`
[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/position.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             line: line,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `line`
[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/position.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |             node: node,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `node`
[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/position.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             pos: pos,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `pos`
[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: lint name `new_without_default_derive` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/lib.rs:146:28
[INFO] [stderr]     |
[INFO] [stderr] 146 |     #[allow(unknown_lints, new_without_default_derive)]
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::new_without_default_derive`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `new_without_default_derive` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/lib.rs:220:28
[INFO] [stderr]     |
[INFO] [stderr] 220 |     #[allow(unknown_lints, new_without_default_derive)]
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::new_without_default_derive`
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             config: config,
[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: lint name `new_ret_no_self` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/errors/mod.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 |     #[allow(unknown_lints, new_ret_no_self)]
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: change it to: `clippy::new_ret_no_self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/errors/mod.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             expected: expected,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `expected`
[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/errors/mod.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             pos: pos,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `pos`
[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/errors/mod.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             typ: typ,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `typ`
[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/errors/mod.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |             unexpected: unexpected,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `unexpected`
[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/position.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             column: column,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `column`
[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/position.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             line: line,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `line`
[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/position.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |             node: node,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `node`
[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/position.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             pos: pos,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `pos`
[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: lint name `new_without_default_derive` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/lib.rs:146:28
[INFO] [stderr]     |
[INFO] [stderr] 146 |     #[allow(unknown_lints, new_without_default_derive)]
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::new_without_default_derive`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `new_without_default_derive` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/lib.rs:220:28
[INFO] [stderr]     |
[INFO] [stderr] 220 |     #[allow(unknown_lints, new_without_default_derive)]
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::new_without_default_derive`
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             config: config,
[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: lint name `new_ret_no_self` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/errors/mod.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 |     #[allow(unknown_lints, new_ret_no_self)]
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: change it to: `clippy::new_ret_no_self`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `new_ret_no_self` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/errors/mod.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 |     #[allow(unknown_lints, new_ret_no_self)]
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: change it to: `clippy::new_ret_no_self`
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/key.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 | /     let mut ctrl_constructor: fn(Key) -> Key = |key| key;
[INFO] [stderr] 141 | |     if constructor_keys.control {
[INFO] [stderr] 142 | |         ctrl_constructor = |key| Control(Box::new(key));
[INFO] [stderr] 143 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> ctrl_constructor = if constructor_keys.control { |key| Control(Box::new(key)) } else { |key| key };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/key.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 | /     let mut shift_constructor: fn(Key) -> Key = |key| key;
[INFO] [stderr] 146 | |     if constructor_keys.shift {
[INFO] [stderr] 147 | |         shift_constructor = |key| Shift(Box::new(key));
[INFO] [stderr] 148 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> shift_constructor = if constructor_keys.shift { |key| Shift(Box::new(key)) } else { |key| key };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/key.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 | /     let mut alt_constructor: fn(Key) -> Key = |key| key;
[INFO] [stderr] 151 | |     if constructor_keys.alt {
[INFO] [stderr] 152 | |         alt_constructor = |key| Alt(Box::new(key));
[INFO] [stderr] 153 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> alt_constructor = if constructor_keys.alt { |key| Alt(Box::new(key)) } else { |key| key };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `ParseResult<T>`
[INFO] [stderr]    --> src/lib.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 | /     pub fn new() -> Self {
[INFO] [stderr] 149 | |         ParseResult {
[INFO] [stderr] 150 | |             commands: vec![],
[INFO] [stderr] 151 | |             errors: vec![],
[INFO] [stderr] 152 | |         }
[INFO] [stderr] 153 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 138 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Parser<T>`
[INFO] [stderr]    --> src/lib.rs:222:5
[INFO] [stderr]     |
[INFO] [stderr] 222 | /     pub fn new() -> Self {
[INFO] [stderr] 223 | |         Parser {
[INFO] [stderr] 224 | |             column: 1,
[INFO] [stderr] 225 | |             config: Config::default(),
[INFO] [stderr] ...   |
[INFO] [stderr] 229 | |         }
[INFO] [stderr] 230 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 211 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/key.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 | /     let mut ctrl_constructor: fn(Key) -> Key = |key| key;
[INFO] [stderr] 141 | |     if constructor_keys.control {
[INFO] [stderr] 142 | |         ctrl_constructor = |key| Control(Box::new(key));
[INFO] [stderr] 143 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> ctrl_constructor = if constructor_keys.control { |key| Control(Box::new(key)) } else { |key| key };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/key.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 | /     let mut shift_constructor: fn(Key) -> Key = |key| key;
[INFO] [stderr] 146 | |     if constructor_keys.shift {
[INFO] [stderr] 147 | |         shift_constructor = |key| Shift(Box::new(key));
[INFO] [stderr] 148 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> shift_constructor = if constructor_keys.shift { |key| Shift(Box::new(key)) } else { |key| key };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/key.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 | /     let mut alt_constructor: fn(Key) -> Key = |key| key;
[INFO] [stderr] 151 | |     if constructor_keys.alt {
[INFO] [stderr] 152 | |         alt_constructor = |key| Alt(Box::new(key));
[INFO] [stderr] 153 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> alt_constructor = if constructor_keys.alt { |key| Alt(Box::new(key)) } else { |key| key };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `ParseResult<T>`
[INFO] [stderr]    --> src/lib.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 | /     pub fn new() -> Self {
[INFO] [stderr] 149 | |         ParseResult {
[INFO] [stderr] 150 | |             commands: vec![],
[INFO] [stderr] 151 | |             errors: vec![],
[INFO] [stderr] 152 | |         }
[INFO] [stderr] 153 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 138 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Parser<T>`
[INFO] [stderr]    --> src/lib.rs:222:5
[INFO] [stderr]     |
[INFO] [stderr] 222 | /     pub fn new() -> Self {
[INFO] [stderr] 223 | |         Parser {
[INFO] [stderr] 224 | |             column: 1,
[INFO] [stderr] 225 | |             config: Config::default(),
[INFO] [stderr] ...   |
[INFO] [stderr] 229 | |         }
[INFO] [stderr] 230 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 211 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 76
[INFO] [stderr]    --> tests/lib.rs:174:1
[INFO] [stderr]     |
[INFO] [stderr] 174 | / fn parser_errors() {
[INFO] [stderr] 175 | |     assert_error!("set 5 5", "unexpected 5, expecting identifier on line 1, column 5");
[INFO] [stderr] 176 | |     assert_error!(" set 5 5", "unexpected 5, expecting identifier on line 1, column 6");
[INFO] [stderr] 177 | |     assert_error!("set  5 5", "unexpected 5, expecting identifier on line 1, column 6");
[INFO] [stderr] ...   |
[INFO] [stderr] 209 | |         "unexpected @, expecting A-Z or special key on line 2, column 9");
[INFO] [stderr] 210 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 47
[INFO] [stderr]    --> tests/lib.rs:231:1
[INFO] [stderr]     |
[INFO] [stderr] 231 | / fn map_command() {
[INFO] [stderr] 232 | |     assert_single_key!("Backspace", Backspace);
[INFO] [stderr] 233 | |     assert_single_key!("Delete", Delete);
[INFO] [stderr] 234 | |     assert_single_key!("Down", Down);
[INFO] [stderr] ...   |
[INFO] [stderr] 285 | |         "unexpected @, expecting A-Z or special key on line 2, column 9"]);
[INFO] [stderr] 286 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.26s
[INFO] running `"docker" "inspect" "6e4a04a7d3cb698d222ba7bacfc475ae58da83aa8901ad17c98f484c2bb36564"`
[INFO] running `"docker" "rm" "-f" "6e4a04a7d3cb698d222ba7bacfc475ae58da83aa8901ad17c98f484c2bb36564"`
[INFO] [stdout] 6e4a04a7d3cb698d222ba7bacfc475ae58da83aa8901ad17c98f484c2bb36564