[INFO] crate argparse 0.2.2 is already in cache
[INFO] extracting crate argparse 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/argparse/0.2.2
[INFO] extracting crate argparse 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/argparse/0.2.2
[INFO] validating manifest of argparse-0.2.2 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 argparse-0.2.2 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 argparse-0.2.2
[INFO] finished frobbing argparse-0.2.2
[INFO] frobbed toml for argparse-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/argparse/0.2.2/Cargo.toml
[INFO] started frobbing argparse-0.2.2
[INFO] finished frobbing argparse-0.2.2
[INFO] frobbed toml for argparse-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/argparse/0.2.2/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 argparse-0.2.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/argparse/0.2.2:/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] 74c6abb933e18b12c4b5134fbac3d69782845d0bfedb67361c1109b4fcde4ba9
[INFO] running `"docker" "start" "-a" "74c6abb933e18b12c4b5134fbac3d69782845d0bfedb67361c1109b4fcde4ba9"`
[INFO] [stderr]     Checking argparse v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/parser.rs:410:29
[INFO] [stderr]     |
[INFO] [stderr] 410 | /                             write!(self.stderr,
[INFO] [stderr] 411 | |                                 "WARNING: Environment variable {}: {}\n",
[INFO] [stderr] 412 | |                                 evar.name, err).ok();
[INFO] [stderr]     | |_______________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:466:13
[INFO] [stderr]     |
[INFO] [stderr] 466 |             parser: parser,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `parser`
[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/parser.rs:472:13
[INFO] [stderr]     |
[INFO] [stderr] 472 |             stderr: stderr,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `stderr`
[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/parser.rs:547:13
[INFO] [stderr]     |
[INFO] [stderr] 547 |             name: name,
[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/parser.rs:548:13
[INFO] [stderr]     |
[INFO] [stderr] 548 |             help: help,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `help`
[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/parser.rs:656:17
[INFO] [stderr]     |
[INFO] [stderr] 656 |                 id: id,
[INFO] [stderr]     |                 ^^^^^^ help: replace it with: `id`
[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/parser.rs:690:13
[INFO] [stderr]     |
[INFO] [stderr] 690 |             help: help,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `help`
[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/parser.rs:691:13
[INFO] [stderr]     |
[INFO] [stderr] 691 |             action: action,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `action`
[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 `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/parser.rs:764:9
[INFO] [stderr]     |
[INFO] [stderr] 764 |         write!(writer, "{}: {}\n", command, message).ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:824:32
[INFO] [stderr]     |
[INFO] [stderr] 824 |         return HelpFormatter { parser: parser, name: name, buf: writer }
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^ help: replace it with: `parser`
[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/parser.rs:824:48
[INFO] [stderr]     |
[INFO] [stderr] 824 |         return HelpFormatter { parser: parser, name: name, buf: writer }
[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/parser.rs:831:32
[INFO] [stderr]     |
[INFO] [stderr] 831 |         return HelpFormatter { parser: parser, name: name, buf: writer }
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^ help: replace it with: `parser`
[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/parser.rs:831:48
[INFO] [stderr]     |
[INFO] [stderr] 831 |         return HelpFormatter { parser: parser, name: name, buf: writer }
[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/generic.rs:37:49
[INFO] [stderr]    |
[INFO] [stderr] 37 |         return Flag(Box::new(StoreConstAction { cell: cell, value: val.clone() }));
[INFO] [stderr]    |                                                 ^^^^^^^^^^ help: replace it with: `cell`
[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/generic.rs:44:48
[INFO] [stderr]    |
[INFO] [stderr] 44 |         return Flag(Box::new(PushConstAction { cell: cell, value: val.clone() }));
[INFO] [stderr]    |                                                ^^^^^^^^^^ help: replace it with: `cell`
[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/generic.rs:50:46
[INFO] [stderr]    |
[INFO] [stderr] 50 |         return Single(Box::new(StoreAction { cell: cell }));
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: replace it with: `cell`
[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/generic.rs:56:52
[INFO] [stderr]    |
[INFO] [stderr] 56 |         return Single(Box::new(StoreOptionAction { cell: cell }));
[INFO] [stderr]    |                                                    ^^^^^^^^^^ help: replace it with: `cell`
[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/generic.rs:62:43
[INFO] [stderr]    |
[INFO] [stderr] 62 |         return Many(Box::new(ListAction { cell: cell }));
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: replace it with: `cell`
[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/generic.rs:68:43
[INFO] [stderr]    |
[INFO] [stderr] 68 |         return Push(Box::new(ListAction { cell: cell }));
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: replace it with: `cell`
[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/custom.rs:25:46
[INFO] [stderr]    |
[INFO] [stderr] 25 |         return Single(Box::new(ParseAction { cell: cell }));
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: replace it with: `cell`
[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/custom.rs:31:52
[INFO] [stderr]    |
[INFO] [stderr] 31 |         return Single(Box::new(ParseOptionAction { cell: cell }));
[INFO] [stderr]    |                                                    ^^^^^^^^^^ help: replace it with: `cell`
[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/custom.rs:37:48
[INFO] [stderr]    |
[INFO] [stderr] 37 |         return Many(Box::new(ParseListAction { cell: cell }));
[INFO] [stderr]    |                                                ^^^^^^^^^^ help: replace it with: `cell`
[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/custom.rs:45:48
[INFO] [stderr]    |
[INFO] [stderr] 45 |         return Push(Box::new(ParseListAction { cell: cell }))
[INFO] [stderr]    |                                                ^^^^^^^^^^ help: replace it with: `cell`
[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/help.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             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/bool.rs:13:49
[INFO] [stderr]    |
[INFO] [stderr] 13 |         return Flag(Box::new(StoreConstAction { cell: cell, value: true }));
[INFO] [stderr]    |                                                 ^^^^^^^^^^ help: replace it with: `cell`
[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/bool.rs:19:49
[INFO] [stderr]    |
[INFO] [stderr] 19 |         return Flag(Box::new(StoreConstAction { cell: cell, value: false }));
[INFO] [stderr]    |                                                 ^^^^^^^^^^ help: replace it with: `cell`
[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/num.rs:24:45
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return Flag(Box::new(IncrByAction { cell: cell, delta: delta.clone() }));
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: replace it with: `cell`
[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/num.rs:31:45
[INFO] [stderr]    |
[INFO] [stderr] 31 |         return Flag(Box::new(DecrByAction { cell: cell, delta: delta.clone() }));
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: replace it with: `cell`
[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 `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/parser.rs:410:29
[INFO] [stderr]     |
[INFO] [stderr] 410 | /                             write!(self.stderr,
[INFO] [stderr] 411 | |                                 "WARNING: Environment variable {}: {}\n",
[INFO] [stderr] 412 | |                                 evar.name, err).ok();
[INFO] [stderr]     | |_______________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:466:13
[INFO] [stderr]     |
[INFO] [stderr] 466 |             parser: parser,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `parser`
[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/parser.rs:472:13
[INFO] [stderr]     |
[INFO] [stderr] 472 |             stderr: stderr,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `stderr`
[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/parser.rs:547:13
[INFO] [stderr]     |
[INFO] [stderr] 547 |             name: name,
[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/parser.rs:548:13
[INFO] [stderr]     |
[INFO] [stderr] 548 |             help: help,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `help`
[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/parser.rs:656:17
[INFO] [stderr]     |
[INFO] [stderr] 656 |                 id: id,
[INFO] [stderr]     |                 ^^^^^^ help: replace it with: `id`
[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/parser.rs:690:13
[INFO] [stderr]     |
[INFO] [stderr] 690 |             help: help,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `help`
[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/parser.rs:691:13
[INFO] [stderr]     |
[INFO] [stderr] 691 |             action: action,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `action`
[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 `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/parser.rs:764:9
[INFO] [stderr]     |
[INFO] [stderr] 764 |         write!(writer, "{}: {}\n", command, message).ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:824:32
[INFO] [stderr]     |
[INFO] [stderr] 824 |         return HelpFormatter { parser: parser, name: name, buf: writer }
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^ help: replace it with: `parser`
[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/parser.rs:824:48
[INFO] [stderr]     |
[INFO] [stderr] 824 |         return HelpFormatter { parser: parser, name: name, buf: writer }
[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/parser.rs:831:32
[INFO] [stderr]     |
[INFO] [stderr] 831 |         return HelpFormatter { parser: parser, name: name, buf: writer }
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^ help: replace it with: `parser`
[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/parser.rs:831:48
[INFO] [stderr]     |
[INFO] [stderr] 831 |         return HelpFormatter { parser: parser, name: name, buf: writer }
[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/generic.rs:37:49
[INFO] [stderr]    |
[INFO] [stderr] 37 |         return Flag(Box::new(StoreConstAction { cell: cell, value: val.clone() }));
[INFO] [stderr]    |                                                 ^^^^^^^^^^ help: replace it with: `cell`
[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/generic.rs:44:48
[INFO] [stderr]    |
[INFO] [stderr] 44 |         return Flag(Box::new(PushConstAction { cell: cell, value: val.clone() }));
[INFO] [stderr]    |                                                ^^^^^^^^^^ help: replace it with: `cell`
[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/generic.rs:50:46
[INFO] [stderr]    |
[INFO] [stderr] 50 |         return Single(Box::new(StoreAction { cell: cell }));
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: replace it with: `cell`
[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/generic.rs:56:52
[INFO] [stderr]    |
[INFO] [stderr] 56 |         return Single(Box::new(StoreOptionAction { cell: cell }));
[INFO] [stderr]    |                                                    ^^^^^^^^^^ help: replace it with: `cell`
[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/generic.rs:62:43
[INFO] [stderr]    |
[INFO] [stderr] 62 |         return Many(Box::new(ListAction { cell: cell }));
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: replace it with: `cell`
[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/generic.rs:68:43
[INFO] [stderr]    |
[INFO] [stderr] 68 |         return Push(Box::new(ListAction { cell: cell }));
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: replace it with: `cell`
[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/custom.rs:25:46
[INFO] [stderr]    |
[INFO] [stderr] 25 |         return Single(Box::new(ParseAction { cell: cell }));
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: replace it with: `cell`
[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/custom.rs:31:52
[INFO] [stderr]    |
[INFO] [stderr] 31 |         return Single(Box::new(ParseOptionAction { cell: cell }));
[INFO] [stderr]    |                                                    ^^^^^^^^^^ help: replace it with: `cell`
[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/custom.rs:37:48
[INFO] [stderr]    |
[INFO] [stderr] 37 |         return Many(Box::new(ParseListAction { cell: cell }));
[INFO] [stderr]    |                                                ^^^^^^^^^^ help: replace it with: `cell`
[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/custom.rs:45:48
[INFO] [stderr]    |
[INFO] [stderr] 45 |         return Push(Box::new(ParseListAction { cell: cell }))
[INFO] [stderr]    |                                                ^^^^^^^^^^ help: replace it with: `cell`
[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/help.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             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/bool.rs:13:49
[INFO] [stderr]    |
[INFO] [stderr] 13 |         return Flag(Box::new(StoreConstAction { cell: cell, value: true }));
[INFO] [stderr]    |                                                 ^^^^^^^^^^ help: replace it with: `cell`
[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/bool.rs:19:49
[INFO] [stderr]    |
[INFO] [stderr] 19 |         return Flag(Box::new(StoreConstAction { cell: cell, value: false }));
[INFO] [stderr]    |                                                 ^^^^^^^^^^ help: replace it with: `cell`
[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/num.rs:24:45
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return Flag(Box::new(IncrByAction { cell: cell, delta: delta.clone() }));
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: replace it with: `cell`
[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/num.rs:31:45
[INFO] [stderr]    |
[INFO] [stderr] 31 |         return Flag(Box::new(DecrByAction { cell: cell, delta: delta.clone() }));
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: replace it with: `cell`
[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: unneeded return statement
[INFO] [stderr]   --> src/parser.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | /         return match char1 {
[INFO] [stderr] 52 | |             Some('-') => match char2 {
[INFO] [stderr] 53 | |                 Some('-') => match char3 {
[INFO] [stderr] 54 | |                         Some(_) => LongOption, // --opt
[INFO] [stderr] ...  |
[INFO] [stderr] 60 | |             Some(_) | None => Positional,
[INFO] [stderr] 61 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 51 |         match char1 {
[INFO] [stderr] 52 |             Some('-') => match char2 {
[INFO] [stderr] 53 |                 Some('-') => match char3 {
[INFO] [stderr] 54 |                         Some(_) => LongOption, // --opt
[INFO] [stderr] 55 |                         None => Delimiter,  // just --
[INFO] [stderr] 56 |                 },
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/parser.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         return self.id == other.id;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.id == other.id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         return self.id == other.id;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.id == other.id`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         return self.id == other.id;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.id == other.id`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 |                 return action.parse_arg(value);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `action.parse_arg(value)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 return Parsed;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:204:17
[INFO] [stderr]     |
[INFO] [stderr] 204 |                 return Parsed;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:221:33
[INFO] [stderr]     |
[INFO] [stderr] 221 | /                                 return Error(format!(
[INFO] [stderr] 222 | |                                     "Option {} does not accept an argument",
[INFO] [stderr] 223 | |                                     optname));
[INFO] [stderr]     | |______________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 221 |                                 Error(format!(
[INFO] [stderr] 222 |                                     "Option {} does not accept an argument",
[INFO] [stderr] 223 |                                     optname))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:232:33
[INFO] [stderr]     |
[INFO] [stderr] 232 |                                 return action.parse_flag();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `action.parse_flag()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:237:25
[INFO] [stderr]     |
[INFO] [stderr] 237 |                         return self.parse_option(opt.clone(), valueref);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.parse_option(opt.clone(), valueref)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:242:17
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 return Error(format!("Unknown option {}", arg));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Error(format!("Unknown option {}", arg))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:280:9
[INFO] [stderr]     |
[INFO] [stderr] 280 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:324:9
[INFO] [stderr]     |
[INFO] [stderr] 324 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:369:9
[INFO] [stderr]     |
[INFO] [stderr] 369 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:420:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:459:9
[INFO] [stderr]     |
[INFO] [stderr] 459 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:500:9
[INFO] [stderr]     |
[INFO] [stderr] 500 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:536:9
[INFO] [stderr]     |
[INFO] [stderr] 536 |         return self;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:572:9
[INFO] [stderr]     |
[INFO] [stderr] 572 |         return self;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:582:9
[INFO] [stderr]     |
[INFO] [stderr] 582 |         return self;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:592:9
[INFO] [stderr]     |
[INFO] [stderr] 592 |         return self;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:605:9
[INFO] [stderr]     |
[INFO] [stderr] 605 |         return self;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:644:9
[INFO] [stderr]     |
[INFO] [stderr] 644 |         return ap;
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `ap`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:660:9
[INFO] [stderr]     |
[INFO] [stderr] 660 | /         return Box::new(Ref {
[INFO] [stderr] 661 | |             cell: cell.clone(),
[INFO] [stderr] 662 | |             varid: id,
[INFO] [stderr] 663 | |             parser: self,
[INFO] [stderr] 664 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 660 |         Box::new(Ref {
[INFO] [stderr] 661 |             cell: cell.clone(),
[INFO] [stderr] 662 |             varid: id,
[INFO] [stderr] 663 |             parser: self,
[INFO] [stderr] 664 |         })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:724:9
[INFO] [stderr]     |
[INFO] [stderr] 724 |         return HelpFormatter::print_help(self, name, writer);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `HelpFormatter::print_help(self, name, writer)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:732:9
[INFO] [stderr]     |
[INFO] [stderr] 732 |         return HelpFormatter::print_usage(self, name, writer);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `HelpFormatter::print_usage(self, name, writer)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:745:23
[INFO] [stderr]     |
[INFO] [stderr] 745 |             Parsed => return Ok(()),
[INFO] [stderr]     |                       ^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:746:21
[INFO] [stderr]     |
[INFO] [stderr] 746 |             Exit => return Err(0),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: remove `return` as shown: `Err(0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:749:17
[INFO] [stderr]     |
[INFO] [stderr] 749 |                 return Err(0);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:753:17
[INFO] [stderr]     |
[INFO] [stderr] 753 |                 return Err(2);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:798:9
[INFO] [stderr]     |
[INFO] [stderr] 798 | /         return self.parse(env::args().collect(),
[INFO] [stderr] 799 | |             &mut stdout(), &mut stderr());
[INFO] [stderr]     | |__________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 798 |         self.parse(env::args().collect(),
[INFO] [stderr] 799 |             &mut stdout(), &mut stderr())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:824:9
[INFO] [stderr]     |
[INFO] [stderr] 824 | /         return HelpFormatter { parser: parser, name: name, buf: writer }
[INFO] [stderr] 825 | |             .write_usage();
[INFO] [stderr]     | |___________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 824 |         HelpFormatter { parser: parser, name: name, buf: writer }
[INFO] [stderr] 825 |             .write_usage()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:831:9
[INFO] [stderr]     |
[INFO] [stderr] 831 | /         return HelpFormatter { parser: parser, name: name, buf: writer }
[INFO] [stderr] 832 | |             .write_help();
[INFO] [stderr]     | |__________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 831 |         HelpFormatter { parser: parser, name: name, buf: writer }
[INFO] [stderr] 832 |             .write_help()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:853:9
[INFO] [stderr]     |
[INFO] [stderr] 853 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:889:9
[INFO] [stderr]     |
[INFO] [stderr] 889 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:921:9
[INFO] [stderr]     |
[INFO] [stderr] 921 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:964:9
[INFO] [stderr]     |
[INFO] [stderr] 964 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         return Flag(Box::new(StoreConstAction { cell: cell, value: val.clone() }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Flag(Box::new(StoreConstAction { cell: cell, value: val.clone() }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         return Flag(Box::new(PushConstAction { cell: cell, value: val.clone() }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Flag(Box::new(PushConstAction { cell: cell, value: val.clone() }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         return Single(Box::new(StoreAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Single(Box::new(StoreAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         return Single(Box::new(StoreOptionAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Single(Box::new(StoreOptionAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         return Many(Box::new(ListAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Many(Box::new(ListAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         return Push(Box::new(ListAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Push(Box::new(ListAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         return Parsed;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         return Parsed;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 return Parsed;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 return Error(format!("Bad value {}", arg));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Error(format!("Bad value {}", arg))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/generic.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 return Parsed;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/generic.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 return Error(format!("Bad value {}", arg));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Error(format!("Bad value {}", arg))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/generic.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         return Single(Box::new(ParseAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Single(Box::new(ParseAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         return Single(Box::new(ParseOptionAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Single(Box::new(ParseOptionAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         return Many(Box::new(ParseListAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Many(Box::new(ParseListAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         return Push(Box::new(ParseListAction { cell: cell }))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Push(Box::new(ParseListAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 return Parsed;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 return Error(format!("Bad value {:?}: {}", arg, error));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Error(format!("Bad value {:?}: {}", arg, error))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 return Parsed;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 return Error(format!("Bad value {:?}: {}", arg, error));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Error(format!("Bad value {:?}: {}", arg, error))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         return Parsed;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/help.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         return Help;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `Help`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/help.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 | /         return WordsIter {
[INFO] [stderr] 25 | |             data: data,
[INFO] [stderr] 26 | |             iter: data.char_indices(),
[INFO] [stderr] 27 | |             };
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 24 |         WordsIter {
[INFO] [stderr] 25 |             data: data,
[INFO] [stderr] 26 |             iter: data.char_indices(),
[INFO] [stderr] 27 |             }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/help.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         return Some(&self.data[word_start..self.data.len()]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(&self.data[word_start..self.data.len()])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/help.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 Some((idx, ch)) => ((idx, ch)),
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::double_parens)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/help.rs:51:36
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 Some((idx, ch)) => ((idx, ch)),
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/help.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     return Ok(());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/print.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         return ParseResult::Exit;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ParseResult::Exit`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bool.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         return Flag(Box::new(StoreConstAction { cell: cell, value: true }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Flag(Box::new(StoreConstAction { cell: cell, value: true }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bool.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         return Flag(Box::new(StoreConstAction { cell: cell, value: false }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Flag(Box::new(StoreConstAction { cell: cell, value: false }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/num.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return Flag(Box::new(IncrByAction { cell: cell, delta: delta.clone() }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Flag(Box::new(IncrByAction { cell: cell, delta: delta.clone() }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/num.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         return Flag(Box::new(DecrByAction { cell: cell, delta: delta.clone() }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Flag(Box::new(DecrByAction { cell: cell, delta: delta.clone() }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/num.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         return Parsed;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/num.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         return Parsed;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/parser.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | /         return match char1 {
[INFO] [stderr] 52 | |             Some('-') => match char2 {
[INFO] [stderr] 53 | |                 Some('-') => match char3 {
[INFO] [stderr] 54 | |                         Some(_) => LongOption, // --opt
[INFO] [stderr] ...  |
[INFO] [stderr] 60 | |             Some(_) | None => Positional,
[INFO] [stderr] 61 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 51 |         match char1 {
[INFO] [stderr] 52 |             Some('-') => match char2 {
[INFO] [stderr] 53 |                 Some('-') => match char3 {
[INFO] [stderr] 54 |                         Some(_) => LongOption, // --opt
[INFO] [stderr] 55 |                         None => Delimiter,  // just --
[INFO] [stderr] 56 |                 },
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/parser.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         return self.id == other.id;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.id == other.id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         return self.id == other.id;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.id == other.id`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         return self.id == other.id;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.id == other.id`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 |                 return action.parse_arg(value);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `action.parse_arg(value)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 return Parsed;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:204:17
[INFO] [stderr]     |
[INFO] [stderr] 204 |                 return Parsed;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:221:33
[INFO] [stderr]     |
[INFO] [stderr] 221 | /                                 return Error(format!(
[INFO] [stderr] 222 | |                                     "Option {} does not accept an argument",
[INFO] [stderr] 223 | |                                     optname));
[INFO] [stderr]     | |______________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 221 |                                 Error(format!(
[INFO] [stderr] 222 |                                     "Option {} does not accept an argument",
[INFO] [stderr] 223 |                                     optname))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:232:33
[INFO] [stderr]     |
[INFO] [stderr] 232 |                                 return action.parse_flag();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `action.parse_flag()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:237:25
[INFO] [stderr]     |
[INFO] [stderr] 237 |                         return self.parse_option(opt.clone(), valueref);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.parse_option(opt.clone(), valueref)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:242:17
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 return Error(format!("Unknown option {}", arg));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Error(format!("Unknown option {}", arg))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:280:9
[INFO] [stderr]     |
[INFO] [stderr] 280 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:324:9
[INFO] [stderr]     |
[INFO] [stderr] 324 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:369:9
[INFO] [stderr]     |
[INFO] [stderr] 369 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:420:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:459:9
[INFO] [stderr]     |
[INFO] [stderr] 459 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:500:9
[INFO] [stderr]     |
[INFO] [stderr] 500 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:536:9
[INFO] [stderr]     |
[INFO] [stderr] 536 |         return self;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:572:9
[INFO] [stderr]     |
[INFO] [stderr] 572 |         return self;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:582:9
[INFO] [stderr]     |
[INFO] [stderr] 582 |         return self;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:592:9
[INFO] [stderr]     |
[INFO] [stderr] 592 |         return self;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:605:9
[INFO] [stderr]     |
[INFO] [stderr] 605 |         return self;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:644:9
[INFO] [stderr]     |
[INFO] [stderr] 644 |         return ap;
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `ap`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:660:9
[INFO] [stderr]     |
[INFO] [stderr] 660 | /         return Box::new(Ref {
[INFO] [stderr] 661 | |             cell: cell.clone(),
[INFO] [stderr] 662 | |             varid: id,
[INFO] [stderr] 663 | |             parser: self,
[INFO] [stderr] 664 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 660 |         Box::new(Ref {
[INFO] [stderr] 661 |             cell: cell.clone(),
[INFO] [stderr] 662 |             varid: id,
[INFO] [stderr] 663 |             parser: self,
[INFO] [stderr] 664 |         })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:724:9
[INFO] [stderr]     |
[INFO] [stderr] 724 |         return HelpFormatter::print_help(self, name, writer);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `HelpFormatter::print_help(self, name, writer)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:732:9
[INFO] [stderr]     |
[INFO] [stderr] 732 |         return HelpFormatter::print_usage(self, name, writer);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `HelpFormatter::print_usage(self, name, writer)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:745:23
[INFO] [stderr]     |
[INFO] [stderr] 745 |             Parsed => return Ok(()),
[INFO] [stderr]     |                       ^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:746:21
[INFO] [stderr]     |
[INFO] [stderr] 746 |             Exit => return Err(0),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: remove `return` as shown: `Err(0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:749:17
[INFO] [stderr]     |
[INFO] [stderr] 749 |                 return Err(0);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:753:17
[INFO] [stderr]     |
[INFO] [stderr] 753 |                 return Err(2);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:798:9
[INFO] [stderr]     |
[INFO] [stderr] 798 | /         return self.parse(env::args().collect(),
[INFO] [stderr] 799 | |             &mut stdout(), &mut stderr());
[INFO] [stderr]     | |__________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 798 |         self.parse(env::args().collect(),
[INFO] [stderr] 799 |             &mut stdout(), &mut stderr())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:824:9
[INFO] [stderr]     |
[INFO] [stderr] 824 | /         return HelpFormatter { parser: parser, name: name, buf: writer }
[INFO] [stderr] 825 | |             .write_usage();
[INFO] [stderr]     | |___________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 824 |         HelpFormatter { parser: parser, name: name, buf: writer }
[INFO] [stderr] 825 |             .write_usage()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:831:9
[INFO] [stderr]     |
[INFO] [stderr] 831 | /         return HelpFormatter { parser: parser, name: name, buf: writer }
[INFO] [stderr] 832 | |             .write_help();
[INFO] [stderr]     | |__________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 831 |         HelpFormatter { parser: parser, name: name, buf: writer }
[INFO] [stderr] 832 |             .write_help()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:853:9
[INFO] [stderr]     |
[INFO] [stderr] 853 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:889:9
[INFO] [stderr]     |
[INFO] [stderr] 889 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:921:9
[INFO] [stderr]     |
[INFO] [stderr] 921 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:964:9
[INFO] [stderr]     |
[INFO] [stderr] 964 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         return Flag(Box::new(StoreConstAction { cell: cell, value: val.clone() }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Flag(Box::new(StoreConstAction { cell: cell, value: val.clone() }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         return Flag(Box::new(PushConstAction { cell: cell, value: val.clone() }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Flag(Box::new(PushConstAction { cell: cell, value: val.clone() }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         return Single(Box::new(StoreAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Single(Box::new(StoreAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         return Single(Box::new(StoreOptionAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Single(Box::new(StoreOptionAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         return Many(Box::new(ListAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Many(Box::new(ListAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         return Push(Box::new(ListAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Push(Box::new(ListAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         return Parsed;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         return Parsed;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 return Parsed;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/generic.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 return Error(format!("Bad value {}", arg));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Error(format!("Bad value {}", arg))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/generic.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 return Parsed;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/generic.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 return Error(format!("Bad value {}", arg));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Error(format!("Bad value {}", arg))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/generic.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         return Parsed;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         return Single(Box::new(ParseAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Single(Box::new(ParseAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         return Single(Box::new(ParseOptionAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Single(Box::new(ParseOptionAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         return Many(Box::new(ParseListAction { cell: cell }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Many(Box::new(ParseListAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         return Push(Box::new(ParseListAction { cell: cell }))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Push(Box::new(ParseListAction { cell: cell }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 return Parsed;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 return Error(format!("Bad value {:?}: {}", arg, error));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Error(format!("Bad value {:?}: {}", arg, error))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 return Parsed;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 return Error(format!("Bad value {:?}: {}", arg, error));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Error(format!("Bad value {:?}: {}", arg, error))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/custom.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         return Parsed;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/help.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         return Help;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `Help`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/help.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 | /         return WordsIter {
[INFO] [stderr] 25 | |             data: data,
[INFO] [stderr] 26 | |             iter: data.char_indices(),
[INFO] [stderr] 27 | |             };
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 24 |         WordsIter {
[INFO] [stderr] 25 |             data: data,
[INFO] [stderr] 26 |             iter: data.char_indices(),
[INFO] [stderr] 27 |             }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/help.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         return Some(&self.data[word_start..self.data.len()]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(&self.data[word_start..self.data.len()])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/help.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 Some((idx, ch)) => ((idx, ch)),
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::double_parens)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/help.rs:51:36
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 Some((idx, ch)) => ((idx, ch)),
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/help.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     return Ok(());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/print.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         return ParseResult::Exit;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ParseResult::Exit`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bool.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         return Flag(Box::new(StoreConstAction { cell: cell, value: true }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Flag(Box::new(StoreConstAction { cell: cell, value: true }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bool.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         return Flag(Box::new(StoreConstAction { cell: cell, value: false }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Flag(Box::new(StoreConstAction { cell: cell, value: false }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/num.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return Flag(Box::new(IncrByAction { cell: cell, delta: delta.clone() }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Flag(Box::new(IncrByAction { cell: cell, delta: delta.clone() }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/num.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         return Flag(Box::new(DecrByAction { cell: cell, delta: delta.clone() }));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Flag(Box::new(DecrByAction { cell: cell, delta: delta.clone() }))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/num.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         return Parsed;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/num.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         return Parsed;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_bool.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return verbose;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `verbose`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_bool.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     return verbose;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `verbose`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_bool.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     return verbose;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `verbose`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_bool.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     return verbose;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `verbose`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_int.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return val;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `val`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_int.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     return val;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `val`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_int.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     return val;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `val`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_int.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     return val;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `val`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_float.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     return val;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `val`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_str.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     return val;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `val`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Variant name ends with the enum's name
[INFO] [stderr]   --> src/test_enum.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     NoGreeting,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_enum.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | /         return match src {
[INFO] [stderr] 21 | |             "hello" => Ok(Hello),
[INFO] [stderr] 22 | |             "hi" => Ok(Hi),
[INFO] [stderr] 23 | |             _ => Err(()),
[INFO] [stderr] 24 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 20 |         match src {
[INFO] [stderr] 21 |             "hello" => Ok(Hello),
[INFO] [stderr] 22 |             "hi" => Ok(Hi),
[INFO] [stderr] 23 |             _ => Err(()),
[INFO] [stderr] 24 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_enum.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     return val;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `val`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_pos.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     return val;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `val`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_pos.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     return (val1, val2);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(val1, val2)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_pos.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     return (val1, val2);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(val1, val2)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/test_pos.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     return (val1, val2);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(val1, val2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/test_pos.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     return (val1, val2);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(val1, val2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/test_pos.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     return val;
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `val`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_many.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     return (val1, val2);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(val1, val2)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_many.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     return lst;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `lst`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_many.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     return lst;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `lst`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_many.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     return vec;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `vec`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_optional.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     return val;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `val`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_optional.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     return val;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `val`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_env.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     return (val1, val2)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(val1, val2)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_const.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return res;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `res`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/test_path.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return val;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `val`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[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/parser.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 | /         match opt.varid {
[INFO] [stderr] 168 | |             Some(varid) => { self.set_vars.insert(varid); }
[INFO] [stderr] 169 | |             None => {}
[INFO] [stderr] 170 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let Some(varid) = opt.varid { self.set_vars.insert(varid); }`
[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/parser.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 | /                 match optarg {
[INFO] [stderr] 189 | |                     Some(_) => return Parsed,
[INFO] [stderr] 190 | |                     _ => {}
[INFO] [stderr] 191 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Some(_) = optarg { return Parsed }`
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/parser.rs:195:54
[INFO] [stderr]     |
[INFO] [stderr] 195 |                         Some(arg) if arg.starts_with("-") => {
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/parser.rs:226:33
[INFO] [stderr]     |
[INFO] [stderr] 226 | /                                 match opt.varid {
[INFO] [stderr] 227 | |                                     Some(varid) => {
[INFO] [stderr] 228 | |                                         self.set_vars.insert(varid);
[INFO] [stderr] 229 | |                                     }
[INFO] [stderr] 230 | |                                     None => {}
[INFO] [stderr] 231 | |                                 }
[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] 226 |                                 if let Some(varid) = opt.varid {
[INFO] [stderr] 227 |     self.set_vars.insert(varid);
[INFO] [stderr] 228 | }
[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/parser.rs:259:21
[INFO] [stderr]     |
[INFO] [stderr] 259 | /                     match opt.varid {
[INFO] [stderr] 260 | |                         Some(varid) => { self.set_vars.insert(varid); }
[INFO] [stderr] 261 | |                         None => {}
[INFO] [stderr] 262 | |                     }
[INFO] [stderr]     | |_____________________^ help: try this: `if let Some(varid) = opt.varid { self.set_vars.insert(varid); }`
[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: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/parser.rs:266:21
[INFO] [stderr]     |
[INFO] [stderr] 266 | /                     let value;
[INFO] [stderr] 267 | |                     if idx + 1 < arg.len() {
[INFO] [stderr] 268 | |                         value = Some(&arg[idx+1..arg.len()]);
[INFO] [stderr] 269 | |                     } else {
[INFO] [stderr] 270 | |                         value = None;
[INFO] [stderr] 271 | |                     }
[INFO] [stderr]     | |_____________________^ help: it is more idiomatic to write: `let value = if idx + 1 < arg.len() { Some(&arg[idx+1..arg.len()]) } else { None };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[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 seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/parser.rs:402:13
[INFO] [stderr]     |
[INFO] [stderr] 402 | /             match env::var(evar.name) {
[INFO] [stderr] 403 | |                 Ok(val) => {
[INFO] [stderr] 404 | |                     match evar.action.parse_arg(&val[..]) {
[INFO] [stderr] 405 | |                         Parsed => {
[INFO] [stderr] ...   |
[INFO] [stderr] 417 | |                 Err(_) => {}
[INFO] [stderr] 418 | |             }
[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] 402 |             if let Ok(val) = env::var(evar.name) {
[INFO] [stderr] 403 |     match evar.action.parse_arg(&val[..]) {
[INFO] [stderr] 404 |         Parsed => {
[INFO] [stderr] 405 |             self.set_vars.insert(evar.varid);
[INFO] [stderr] 406 |             continue;
[INFO] [stderr] 407 |         }
[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/parser.rs:462:45
[INFO] [stderr]     |
[INFO] [stderr] 462 |     fn parse(parser: &ArgumentParser, args: &Vec<String>, stderr: &mut Write)
[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: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:518:16
[INFO] [stderr]     |
[INFO] [stderr] 518 |             if var.metavar.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `var.metavar.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/parser.rs:554:17
[INFO] [stderr]     |
[INFO] [stderr] 554 | /                 match self.parser.catchall_argument {
[INFO] [stderr] 555 | |                     Some(ref y) => panic!(format!(
[INFO] [stderr] 556 | |                         "Option {} conflicts with option {}",
[INFO] [stderr] 557 | |                         name, y.name)),
[INFO] [stderr] 558 | |                     None => {},
[INFO] [stderr] 559 | |                 }
[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] 554 |                 if let Some(ref y) = self.parser.catchall_argument { panic!(format!(
[INFO] [stderr] 555 |                         "Option {} conflicts with option {}",
[INFO] [stderr] 556 |                         name, y.name)) }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:568:16
[INFO] [stderr]     |
[INFO] [stderr] 568 |             if var.metavar.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `var.metavar.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `parser::ArgumentParser<'parser>`
[INFO] [stderr]    --> src/parser.rs:628:5
[INFO] [stderr]     |
[INFO] [stderr] 628 | /     pub fn new() -> ArgumentParser<'parser> {
[INFO] [stderr] 629 | |
[INFO] [stderr] 630 | |         let mut ap = ArgumentParser {
[INFO] [stderr] 631 | |             description: "",
[INFO] [stderr] ...   |
[INFO] [stderr] 644 | |         return ap;
[INFO] [stderr] 645 | |     }
[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] 610 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/parser.rs:694:12
[INFO] [stderr]     |
[INFO] [stderr] 694 |         if names.len() < 1 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `names.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:743:23
[INFO] [stderr]     |
[INFO] [stderr] 743 |         let name = if args.len() > 0 { &args[0][..] } else { "unknown" };
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:895:12
[INFO] [stderr]     |
[INFO] [stderr] 895 |         if self.parser.description.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.parser.description.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:899:12
[INFO] [stderr]     |
[INFO] [stderr] 899 |         if self.parser.arguments.len() > 0
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.parser.arguments.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[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/parser.rs:906:13
[INFO] [stderr]     |
[INFO] [stderr] 906 | /             match self.parser.catchall_argument {
[INFO] [stderr] 907 | |                 Some(ref opt) => {
[INFO] [stderr] 908 | |                     try!(self.print_argument(&**opt));
[INFO] [stderr] 909 | |                 }
[INFO] [stderr] 910 | |                 None => {}
[INFO] [stderr] 911 | |             }
[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] 906 |             if let Some(ref opt) = self.parser.catchall_argument {
[INFO] [stderr] 907 |     try!(self.print_argument(&**opt));
[INFO] [stderr] 908 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:913:12
[INFO] [stderr]     |
[INFO] [stderr] 913 |         if self.parser.short_options.len() > 0
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.parser.short_options.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:914:16
[INFO] [stderr]     |
[INFO] [stderr] 914 |             || self.parser.long_options.len() > 0
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.parser.long_options.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:927:12
[INFO] [stderr]     |
[INFO] [stderr] 927 |         if self.parser.options.len() != 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.parser.options.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[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/parser.rs:945:13
[INFO] [stderr]     |
[INFO] [stderr] 945 | /             match self.parser.catchall_argument {
[INFO] [stderr] 946 | |                 Some(ref opt) => {
[INFO] [stderr] 947 | |                     let var = &self.parser.vars[opt.varid];
[INFO] [stderr] 948 | |                     try!(write!(self.buf, " "));
[INFO] [stderr] ...   |
[INFO] [stderr] 960 | |                 None => {}
[INFO] [stderr] 961 | |             }
[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] 945 |             if let Some(ref opt) = self.parser.catchall_argument {
[INFO] [stderr] 946 |     let var = &self.parser.vars[opt.varid];
[INFO] [stderr] 947 |     try!(write!(self.buf, " "));
[INFO] [stderr] 948 |     if !var.required {
[INFO] [stderr] 949 |         try!(write!(self.buf, "["));
[INFO] [stderr] 950 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/help.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/help.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             try!(buf.write(b"\n"));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/help.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(buf.write(b" "));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/help.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(buf.write(b" "));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/help.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]  --> src/print.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 |         if self.0.ends_with("\n") {
[INFO] [stderr]   |                             ^^^^ help: try using a char instead: `'\n'`
[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] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `argparse`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/parser.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 | /         match opt.varid {
[INFO] [stderr] 168 | |             Some(varid) => { self.set_vars.insert(varid); }
[INFO] [stderr] 169 | |             None => {}
[INFO] [stderr] 170 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let Some(varid) = opt.varid { self.set_vars.insert(varid); }`
[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/parser.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 | /                 match optarg {
[INFO] [stderr] 189 | |                     Some(_) => return Parsed,
[INFO] [stderr] 190 | |                     _ => {}
[INFO] [stderr] 191 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Some(_) = optarg { return Parsed }`
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/parser.rs:195:54
[INFO] [stderr]     |
[INFO] [stderr] 195 |                         Some(arg) if arg.starts_with("-") => {
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/parser.rs:226:33
[INFO] [stderr]     |
[INFO] [stderr] 226 | /                                 match opt.varid {
[INFO] [stderr] 227 | |                                     Some(varid) => {
[INFO] [stderr] 228 | |                                         self.set_vars.insert(varid);
[INFO] [stderr] 229 | |                                     }
[INFO] [stderr] 230 | |                                     None => {}
[INFO] [stderr] 231 | |                                 }
[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] 226 |                                 if let Some(varid) = opt.varid {
[INFO] [stderr] 227 |     self.set_vars.insert(varid);
[INFO] [stderr] 228 | }
[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/parser.rs:259:21
[INFO] [stderr]     |
[INFO] [stderr] 259 | /                     match opt.varid {
[INFO] [stderr] 260 | |                         Some(varid) => { self.set_vars.insert(varid); }
[INFO] [stderr] 261 | |                         None => {}
[INFO] [stderr] 262 | |                     }
[INFO] [stderr]     | |_____________________^ help: try this: `if let Some(varid) = opt.varid { self.set_vars.insert(varid); }`
[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: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/parser.rs:266:21
[INFO] [stderr]     |
[INFO] [stderr] 266 | /                     let value;
[INFO] [stderr] 267 | |                     if idx + 1 < arg.len() {
[INFO] [stderr] 268 | |                         value = Some(&arg[idx+1..arg.len()]);
[INFO] [stderr] 269 | |                     } else {
[INFO] [stderr] 270 | |                         value = None;
[INFO] [stderr] 271 | |                     }
[INFO] [stderr]     | |_____________________^ help: it is more idiomatic to write: `let value = if idx + 1 < arg.len() { Some(&arg[idx+1..arg.len()]) } else { None };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[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 seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/parser.rs:402:13
[INFO] [stderr]     |
[INFO] [stderr] 402 | /             match env::var(evar.name) {
[INFO] [stderr] 403 | |                 Ok(val) => {
[INFO] [stderr] 404 | |                     match evar.action.parse_arg(&val[..]) {
[INFO] [stderr] 405 | |                         Parsed => {
[INFO] [stderr] ...   |
[INFO] [stderr] 417 | |                 Err(_) => {}
[INFO] [stderr] 418 | |             }
[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] 402 |             if let Ok(val) = env::var(evar.name) {
[INFO] [stderr] 403 |     match evar.action.parse_arg(&val[..]) {
[INFO] [stderr] 404 |         Parsed => {
[INFO] [stderr] 405 |             self.set_vars.insert(evar.varid);
[INFO] [stderr] 406 |             continue;
[INFO] [stderr] 407 |         }
[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/parser.rs:462:45
[INFO] [stderr]     |
[INFO] [stderr] 462 |     fn parse(parser: &ArgumentParser, args: &Vec<String>, stderr: &mut Write)
[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: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:518:16
[INFO] [stderr]     |
[INFO] [stderr] 518 |             if var.metavar.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `var.metavar.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/parser.rs:554:17
[INFO] [stderr]     |
[INFO] [stderr] 554 | /                 match self.parser.catchall_argument {
[INFO] [stderr] 555 | |                     Some(ref y) => panic!(format!(
[INFO] [stderr] 556 | |                         "Option {} conflicts with option {}",
[INFO] [stderr] 557 | |                         name, y.name)),
[INFO] [stderr] 558 | |                     None => {},
[INFO] [stderr] 559 | |                 }
[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] 554 |                 if let Some(ref y) = self.parser.catchall_argument { panic!(format!(
[INFO] [stderr] 555 |                         "Option {} conflicts with option {}",
[INFO] [stderr] 556 |                         name, y.name)) }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:568:16
[INFO] [stderr]     |
[INFO] [stderr] 568 |             if var.metavar.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `var.metavar.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `parser::ArgumentParser<'parser>`
[INFO] [stderr]    --> src/parser.rs:628:5
[INFO] [stderr]     |
[INFO] [stderr] 628 | /     pub fn new() -> ArgumentParser<'parser> {
[INFO] [stderr] 629 | |
[INFO] [stderr] 630 | |         let mut ap = ArgumentParser {
[INFO] [stderr] 631 | |             description: "",
[INFO] [stderr] ...   |
[INFO] [stderr] 644 | |         return ap;
[INFO] [stderr] 645 | |     }
[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] 610 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/parser.rs:694:12
[INFO] [stderr]     |
[INFO] [stderr] 694 |         if names.len() < 1 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `names.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:743:23
[INFO] [stderr]     |
[INFO] [stderr] 743 |         let name = if args.len() > 0 { &args[0][..] } else { "unknown" };
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:895:12
[INFO] [stderr]     |
[INFO] [stderr] 895 |         if self.parser.description.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.parser.description.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:899:12
[INFO] [stderr]     |
[INFO] [stderr] 899 |         if self.parser.arguments.len() > 0
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.parser.arguments.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[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/parser.rs:906:13
[INFO] [stderr]     |
[INFO] [stderr] 906 | /             match self.parser.catchall_argument {
[INFO] [stderr] 907 | |                 Some(ref opt) => {
[INFO] [stderr] 908 | |                     try!(self.print_argument(&**opt));
[INFO] [stderr] 909 | |                 }
[INFO] [stderr] 910 | |                 None => {}
[INFO] [stderr] 911 | |             }
[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] 906 |             if let Some(ref opt) = self.parser.catchall_argument {
[INFO] [stderr] 907 |     try!(self.print_argument(&**opt));
[INFO] [stderr] 908 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:913:12
[INFO] [stderr]     |
[INFO] [stderr] 913 |         if self.parser.short_options.len() > 0
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.parser.short_options.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:914:16
[INFO] [stderr]     |
[INFO] [stderr] 914 |             || self.parser.long_options.len() > 0
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.parser.long_options.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:927:12
[INFO] [stderr]     |
[INFO] [stderr] 927 |         if self.parser.options.len() != 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.parser.options.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[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/parser.rs:945:13
[INFO] [stderr]     |
[INFO] [stderr] 945 | /             match self.parser.catchall_argument {
[INFO] [stderr] 946 | |                 Some(ref opt) => {
[INFO] [stderr] 947 | |                     let var = &self.parser.vars[opt.varid];
[INFO] [stderr] 948 | |                     try!(write!(self.buf, " "));
[INFO] [stderr] ...   |
[INFO] [stderr] 960 | |                 None => {}
[INFO] [stderr] 961 | |             }
[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] 945 |             if let Some(ref opt) = self.parser.catchall_argument {
[INFO] [stderr] 946 |     let var = &self.parser.vars[opt.varid];
[INFO] [stderr] 947 |     try!(write!(self.buf, " "));
[INFO] [stderr] 948 |     if !var.required {
[INFO] [stderr] 949 |         try!(write!(self.buf, "["));
[INFO] [stderr] 950 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/help.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/help.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             try!(buf.write(b"\n"));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/help.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(buf.write(b" "));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/help.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(buf.write(b" "));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/help.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]  --> src/print.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 |         if self.0.ends_with("\n") {
[INFO] [stderr]   |                             ^^^^ help: try using a char instead: `'\n'`
[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: useless use of `format!`
[INFO] [stderr]   --> src/test_parser.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |         Ok(()) => panic!(format!("Expected failure, got success")),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Expected failure, got success".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/test_parser.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |         Ok(()) => panic!(format!("Expected failure, got success")),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Expected failure, got success".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/test_float.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     assert_eq!(incr_decr(&["./argparse_test",
[INFO] [stderr] 23 | |         "--incr", "-iii"]), 2.0);
[INFO] [stderr]    | |_________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/test_float.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     assert_eq!(incr_decr(&["./argparse_test",
[INFO] [stderr] 23 | |         "--incr", "-iii"]), 2.0);
[INFO] [stderr]    | |_________________________________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/test_float.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | /     assert_eq!(incr_decr(&["./argparse_test",
[INFO] [stderr] 25 | |         "-iiddd", "--incr", "-iii"]), 2.25);
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/test_float.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | /     assert_eq!(incr_decr(&["./argparse_test",
[INFO] [stderr] 25 | |         "-iiddd", "--incr", "-iii"]), 2.25);
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/test_float.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     assert_eq!(val, 15.125);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/test_float.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     assert_eq!(val, 15.125);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `argparse`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "74c6abb933e18b12c4b5134fbac3d69782845d0bfedb67361c1109b4fcde4ba9"`
[INFO] running `"docker" "rm" "-f" "74c6abb933e18b12c4b5134fbac3d69782845d0bfedb67361c1109b4fcde4ba9"`
[INFO] [stdout] 74c6abb933e18b12c4b5134fbac3d69782845d0bfedb67361c1109b4fcde4ba9