[INFO] updating cached repository makarchuk/rsjson
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/makarchuk/rsjson
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/makarchuk/rsjson" "work/ex/clippy-test-run/sources/stable/gh/makarchuk/rsjson"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/makarchuk/rsjson'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/makarchuk/rsjson" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/makarchuk/rsjson"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/makarchuk/rsjson'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3be632ab59a54ef204754a8a23569ad942d941e3
[INFO] sha for GitHub repo makarchuk/rsjson: 3be632ab59a54ef204754a8a23569ad942d941e3
[INFO] validating manifest of makarchuk/rsjson 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 makarchuk/rsjson 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 makarchuk/rsjson
[INFO] finished frobbing makarchuk/rsjson
[INFO] frobbed toml for makarchuk/rsjson written to work/ex/clippy-test-run/sources/stable/gh/makarchuk/rsjson/Cargo.toml
[INFO] started frobbing makarchuk/rsjson
[INFO] finished frobbing makarchuk/rsjson
[INFO] frobbed toml for makarchuk/rsjson written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/makarchuk/rsjson/Cargo.toml
[INFO] crate makarchuk/rsjson has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting makarchuk/rsjson against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/makarchuk/rsjson:/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] 04e9b0ec3d048e68dda74ac8b1be4368e1d1f8c54de783bb2dc046e58ca4c758
[INFO] running `"docker" "start" "-a" "04e9b0ec3d048e68dda74ac8b1be4368e1d1f8c54de783bb2dc046e58ca4c758"`
[INFO] [stderr]     Checking rsjson v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/parser/mod.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |         None => return Ok(val),
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(val)`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/parser/mod.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             return Err(unexpected_character(i, ch));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(unexpected_character(i, ch))`
[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/mod.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |         None => return Err(make_err("Empty string provided".to_owned())),
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(make_err("Empty string provided".to_owned()))`
[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/mod.rs:49:29
[INFO] [stderr]    |
[INFO] [stderr] 49 |             OBJECT_START => return Ok(JSONValue::JSONObject(parse_object(chars)?)),
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONObject(parse_object(chars)?))`
[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/mod.rs:50:22
[INFO] [stderr]    |
[INFO] [stderr] 50 |             QUOTE => return Ok(JSONValue::JSONString(parse_str(chars)?)),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONString(parse_str(chars)?))`
[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/mod.rs:51:27
[INFO] [stderr]    |
[INFO] [stderr] 51 |             TRUE_START => return Ok(JSONValue::JSONBool(parse_true(chars)?)),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONBool(parse_true(chars)?))`
[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/mod.rs:52:28
[INFO] [stderr]    |
[INFO] [stderr] 52 |             FALSE_START => return Ok(JSONValue::JSONBool(parse_false(chars)?)),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONBool(parse_false(chars)?))`
[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/mod.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 return Ok(JSONValue::JSONNull());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONNull())`
[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/mod.rs:57:22
[INFO] [stderr]    |
[INFO] [stderr] 57 |             MINUS => return Ok(JSONValue::JSONNumber(parse_num(chars)?)),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONNumber(parse_num(chars)?))`
[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/mod.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |             '0'...'9' => return Ok(JSONValue::JSONNumber(parse_num(chars)?)),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONNumber(parse_num(chars)?))`
[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/mod.rs:59:28
[INFO] [stderr]    |
[INFO] [stderr] 59 |             ARRAY_START => return Ok(JSONValue::JSONArray(parse_array(chars)?)),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONArray(parse_array(chars)?))`
[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/mod.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 return Err(unexpected_character(i, ch));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(unexpected_character(i, ch))`
[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/mod.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     return Ok(value);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(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/mod.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     return parse_const(chars, BOOL_TRUE, true);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `parse_const(chars, BOOL_TRUE, 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/parser/mod.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     return parse_const(chars, BOOL_FALSE, false);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `parse_const(chars, BOOL_FALSE, 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/parser/mod.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     return parse_const(chars, NULL, ());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `parse_const(chars, NULL, ())`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/parser/mod.rs:169:12
[INFO] [stderr]     |
[INFO] [stderr] 169 |       } else {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 170 | |         if ch == UNICODE_ESCAPE {
[INFO] [stderr] 171 | |             let mut ord: u32 = 0;
[INFO] [stderr] 172 | |             let mut seq = "\\u".to_owned();
[INFO] [stderr] ...   |
[INFO] [stderr] 183 | |         }
[INFO] [stderr] 184 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 169 |     } else if ch == UNICODE_ESCAPE {
[INFO] [stderr] 170 |     let mut ord: u32 = 0;
[INFO] [stderr] 171 |     let mut seq = "\\u".to_owned();
[INFO] [stderr] 172 |     for j in 0..4 {
[INFO] [stderr] 173 |         let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr] 174 |         seq.push(ch);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser/mod.rs:243:18
[INFO] [stderr]     |
[INFO] [stderr] 243 |         Ok(n) => return Ok(n),
[INFO] [stderr]     |                  ^^^^^^^^^^^^ help: remove `return` as shown: `Ok(n)`
[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/mod.rs:244:19
[INFO] [stderr]     |
[INFO] [stderr] 244 |         Err(_) => return Err(make_err(format!("Unable to parse number {}", num))),
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(make_err(format!("Unable to parse number {}", num)))`
[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/mod.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     return Ok(result);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(result)`
[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/mod.rs:274:17
[INFO] [stderr]     |
[INFO] [stderr] 274 |         None => return Ok(String::new()),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(String::new())`
[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/mod.rs:284:21
[INFO] [stderr]     |
[INFO] [stderr] 284 |                     return Ok(".".to_owned() + digits);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(".".to_owned() + digits)`
[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/mod.rs:288:21
[INFO] [stderr]     |
[INFO] [stderr] 288 |                     return Err(unexpected_character(i, ch));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(unexpected_character(i, ch))`
[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/mod.rs:290:22
[INFO] [stderr]     |
[INFO] [stderr] 290 |                 _ => return Ok(String::new()),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(String::new())`
[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/mod.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     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/mod.rs:312:17
[INFO] [stderr]     |
[INFO] [stderr] 312 |         None => return None,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/mod.rs:315:13
[INFO] [stderr]     |
[INFO] [stderr] 315 |             return Some(*ch);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(*ch)`
[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/lib.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         return parser::parse_json(s);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `parser::parse_json(s)`
[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: long literal lacking separators
[INFO] [stderr]   --> src/parser/tests.rs:62:26
[INFO] [stderr]    |
[INFO] [stderr] 62 |         ("0.0000000001", 0.0000000001),
[INFO] [stderr]    |                          ^^^^^^^^^^^^ help: consider: `0.000_000_000_1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/parser/tests.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             12312518359823.23482394823930113570185103857,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `12_312_518_359_823.234_823_948_239_301_135_701_851_038_57`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/parser/tests.rs:68:36
[INFO] [stderr]    |
[INFO] [stderr] 68 |         ("-123123123123123.1291", -123123123123123.1291),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: consider: `123_123_123_123_123.129_1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/parser/tests.rs:71:34
[INFO] [stderr]    |
[INFO] [stderr] 71 |         ("1231231239.0121e-121", 1231231239.0121e-121),
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^ help: consider: `1_231_231_239.012_1e-121`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/parser/tests.rs:72:39
[INFO] [stderr]    |
[INFO] [stderr] 72 |         ("1231231239.0121e-5000 asd", 1231231239.0121e-5000),
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^ help: consider: `1_231_231_239.012_1e-5000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/parser/mod.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |         None => return Ok(val),
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(val)`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/parser/mod.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             return Err(unexpected_character(i, ch));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(unexpected_character(i, ch))`
[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/mod.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |         None => return Err(make_err("Empty string provided".to_owned())),
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(make_err("Empty string provided".to_owned()))`
[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/mod.rs:49:29
[INFO] [stderr]    |
[INFO] [stderr] 49 |             OBJECT_START => return Ok(JSONValue::JSONObject(parse_object(chars)?)),
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONObject(parse_object(chars)?))`
[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/mod.rs:50:22
[INFO] [stderr]    |
[INFO] [stderr] 50 |             QUOTE => return Ok(JSONValue::JSONString(parse_str(chars)?)),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONString(parse_str(chars)?))`
[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/mod.rs:51:27
[INFO] [stderr]    |
[INFO] [stderr] 51 |             TRUE_START => return Ok(JSONValue::JSONBool(parse_true(chars)?)),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONBool(parse_true(chars)?))`
[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/mod.rs:52:28
[INFO] [stderr]    |
[INFO] [stderr] 52 |             FALSE_START => return Ok(JSONValue::JSONBool(parse_false(chars)?)),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONBool(parse_false(chars)?))`
[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/mod.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 return Ok(JSONValue::JSONNull());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONNull())`
[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/mod.rs:57:22
[INFO] [stderr]    |
[INFO] [stderr] 57 |             MINUS => return Ok(JSONValue::JSONNumber(parse_num(chars)?)),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONNumber(parse_num(chars)?))`
[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/mod.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |             '0'...'9' => return Ok(JSONValue::JSONNumber(parse_num(chars)?)),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONNumber(parse_num(chars)?))`
[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/mod.rs:59:28
[INFO] [stderr]    |
[INFO] [stderr] 59 |             ARRAY_START => return Ok(JSONValue::JSONArray(parse_array(chars)?)),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(JSONValue::JSONArray(parse_array(chars)?))`
[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/mod.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 return Err(unexpected_character(i, ch));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(unexpected_character(i, ch))`
[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/mod.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     return Ok(value);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(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/mod.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     return parse_const(chars, BOOL_TRUE, true);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `parse_const(chars, BOOL_TRUE, 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/parser/mod.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     return parse_const(chars, BOOL_FALSE, false);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `parse_const(chars, BOOL_FALSE, 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/parser/mod.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     return parse_const(chars, NULL, ());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `parse_const(chars, NULL, ())`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/parser/mod.rs:169:12
[INFO] [stderr]     |
[INFO] [stderr] 169 |       } else {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 170 | |         if ch == UNICODE_ESCAPE {
[INFO] [stderr] 171 | |             let mut ord: u32 = 0;
[INFO] [stderr] 172 | |             let mut seq = "\\u".to_owned();
[INFO] [stderr] ...   |
[INFO] [stderr] 183 | |         }
[INFO] [stderr] 184 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 169 |     } else if ch == UNICODE_ESCAPE {
[INFO] [stderr] 170 |     let mut ord: u32 = 0;
[INFO] [stderr] 171 |     let mut seq = "\\u".to_owned();
[INFO] [stderr] 172 |     for j in 0..4 {
[INFO] [stderr] 173 |         let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr] 174 |         seq.push(ch);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser/mod.rs:243:18
[INFO] [stderr]     |
[INFO] [stderr] 243 |         Ok(n) => return Ok(n),
[INFO] [stderr]     |                  ^^^^^^^^^^^^ help: remove `return` as shown: `Ok(n)`
[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/mod.rs:244:19
[INFO] [stderr]     |
[INFO] [stderr] 244 |         Err(_) => return Err(make_err(format!("Unable to parse number {}", num))),
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(make_err(format!("Unable to parse number {}", num)))`
[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/mod.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     return Ok(result);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(result)`
[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/mod.rs:274:17
[INFO] [stderr]     |
[INFO] [stderr] 274 |         None => return Ok(String::new()),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(String::new())`
[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/mod.rs:284:21
[INFO] [stderr]     |
[INFO] [stderr] 284 |                     return Ok(".".to_owned() + digits);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(".".to_owned() + digits)`
[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/mod.rs:288:21
[INFO] [stderr]     |
[INFO] [stderr] 288 |                     return Err(unexpected_character(i, ch));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(unexpected_character(i, ch))`
[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/mod.rs:290:22
[INFO] [stderr]     |
[INFO] [stderr] 290 |                 _ => return Ok(String::new()),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(String::new())`
[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/mod.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     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/mod.rs:312:17
[INFO] [stderr]     |
[INFO] [stderr] 312 |         None => return None,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/mod.rs:315:13
[INFO] [stderr]     |
[INFO] [stderr] 315 |             return Some(*ch);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(*ch)`
[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/lib.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         return parser::parse_json(s);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `parser::parse_json(s)`
[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/mod.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 | /     match next_char(chars).ok_or(unexpected_eof())? {
[INFO] [stderr] 73 | |         ARRAY_END => {
[INFO] [stderr] 74 | |             chars.next();
[INFO] [stderr] 75 | |             return Ok(result);
[INFO] [stderr] 76 | |         }
[INFO] [stderr] 77 | |         _ => (),
[INFO] [stderr] 78 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 72 |     if let ARRAY_END = next_char(chars).ok_or(unexpected_eof())? {
[INFO] [stderr] 73 |     chars.next();
[INFO] [stderr] 74 |     return Ok(result);
[INFO] [stderr] 75 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/parser/mod.rs:72:28
[INFO] [stderr]    |
[INFO] [stderr] 72 |     match next_char(chars).ok_or(unexpected_eof())? {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/parser/mod.rs:83:36
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[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/mod.rs:99:5
[INFO] [stderr]     |
[INFO] [stderr] 99  | /     match next_char(chars).ok_or(unexpected_eof())? {
[INFO] [stderr] 100 | |         OBJECT_END => {
[INFO] [stderr] 101 | |             chars.next();
[INFO] [stderr] 102 | |             return Ok(result);
[INFO] [stderr] 103 | |         }
[INFO] [stderr] 104 | |         _ => (),
[INFO] [stderr] 105 | |     }
[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] 99  |     if let OBJECT_END = next_char(chars).ok_or(unexpected_eof())? {
[INFO] [stderr] 100 |     chars.next();
[INFO] [stderr] 101 |     return Ok(result);
[INFO] [stderr] 102 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/parser/mod.rs:99:28
[INFO] [stderr]    |
[INFO] [stderr] 99 |     match next_char(chars).ok_or(unexpected_eof())? {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:115:36
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:130:36
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:154:36
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:166:32
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:174:44
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:178:22
[INFO] [stderr]     |
[INFO] [stderr] 178 |                     .ok_or(invalid_escape_sequence(i - j - 2, &seq))?;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| invalid_escape_sequence(i - j - 2, &seq))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:180:45
[INFO] [stderr]     |
[INFO] [stderr] 180 |             result.push(char::from_u32(ord).ok_or(invalid_escape_sequence(i - 2, &seq))?)
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| invalid_escape_sequence(i - 2, &seq))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:201:31
[INFO] [stderr]     |
[INFO] [stderr] 201 |     let ch = next_char(chars).ok_or(unexpected_eof())?;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:206:31
[INFO] [stderr]     |
[INFO] [stderr] 206 |     let ch = next_char(chars).ok_or(unexpected_eof())?;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:216:40
[INFO] [stderr]     |
[INFO] [stderr] 216 |             let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:227:43
[INFO] [stderr]     |
[INFO] [stderr] 227 |                 let ch = next_char(chars).ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser/mod.rs:253:20
[INFO] [stderr]     |
[INFO] [stderr] 253 |                 if result.len() > 0 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!result.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: length comparison to zero
[INFO] [stderr]    --> src/parser/mod.rs:280:24
[INFO] [stderr]     |
[INFO] [stderr] 280 |                     if digits.len() == 0 {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `digits.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: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:281:52
[INFO] [stderr]     |
[INFO] [stderr] 281 |                         let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:300:32
[INFO] [stderr]     |
[INFO] [stderr] 300 |     let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/parser/tests.rs:5:14
[INFO] [stderr]    |
[INFO] [stderr] 5  |       for s in vec![
[INFO] [stderr]    |  ______________^
[INFO] [stderr] 6  | |         ("\"asd\"", "asd"),
[INFO] [stderr] 7  | |         ("\"as asd  asd d\\\"\"", "as asd  asd d\""),
[INFO] [stderr] 8  | |         ("\"asd\\r\\n\\t\"", "asd\r\n\t"),
[INFO] [stderr] ...  |
[INFO] [stderr] 11 | |         // ("\"\\uD834\\uDd1e\"", "ab"), This corner case is failing for now. I hate utf-16!
[INFO] [stderr] 12 | |     ] {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[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: useless use of `vec!`
[INFO] [stderr]   --> src/parser/tests.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 |       for s in vec![
[INFO] [stderr]    |  ______________^
[INFO] [stderr] 21 | |         ("\"this \n fails \""),
[INFO] [stderr] 22 | |         ("no quotes"),
[INFO] [stderr] 23 | |         ("\"not_closed"),
[INFO] [stderr] 24 | |         ("not opened"),
[INFO] [stderr] 25 | |         ("\"invalid escape \\x \""),
[INFO] [stderr] 26 | |     ] {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[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: useless use of `vec!`
[INFO] [stderr]   --> src/parser/tests.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |     for s in vec!["true", "true, ", "true  asdpjmklmo"] {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["true", "true, ", "true  asdpjmklmo"]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/parser/tests.rs:37:14
[INFO] [stderr]    |
[INFO] [stderr] 37 |     for s in vec!["false", "false, ", "false  asdpjmklmo"] {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["false", "false, ", "false  asdpjmklmo"]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/parser/tests.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |     for s in vec!["True", "False", "TRUE", "0", "1", "asdm"] {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["True", "False", "TRUE", "0", "1", "asdm"]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/parser/tests.rs:54:14
[INFO] [stderr]    |
[INFO] [stderr] 54 |       for s in vec![
[INFO] [stderr]    |  ______________^
[INFO] [stderr] 55 | |         ("0e1", 0.0),
[INFO] [stderr] 56 | |         ("1,2", 1.0),
[INFO] [stderr] 57 | |         ("1}", 1.0),
[INFO] [stderr] ...  |
[INFO] [stderr] 72 | |         ("1231231239.0121e-5000 asd", 1231231239.0121e-5000),
[INFO] [stderr] 73 | |     ] {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[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: float has excessive precision
[INFO] [stderr]   --> src/parser/tests.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             12312518359823.23482394823930113570185103857,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider changing the type or truncating it to: `12_312_518_359_823.234`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::excessive_precision)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#excessive_precision
[INFO] [stderr] 
[INFO] [stderr] warning: float has excessive precision
[INFO] [stderr]   --> src/parser/tests.rs:68:36
[INFO] [stderr]    |
[INFO] [stderr] 68 |         ("-123123123123123.1291", -123123123123123.1291),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: consider changing the type or truncating it to: `123_123_123_123_123.13`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#excessive_precision
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/parser/tests.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         assert_eq!(parse_num(&mut s.0.char_indices().peekable()).unwrap(), s.1)
[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/parser/tests.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         assert_eq!(parse_num(&mut s.0.char_indices().peekable()).unwrap(), s.1)
[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] warning: useless use of `vec!`
[INFO] [stderr]   --> src/parser/tests.rs:81:14
[INFO] [stderr]    |
[INFO] [stderr] 81 |       for s in vec![
[INFO] [stderr]    |  ______________^
[INFO] [stderr] 82 | |         "a123",
[INFO] [stderr] 83 | |         "0.e1",
[INFO] [stderr] 84 | |         "00.123",
[INFO] [stderr] ...  |
[INFO] [stderr] 87 | |         "123.0Ee123123123",
[INFO] [stderr] 88 | |     ] {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[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: useless use of `vec!`
[INFO] [stderr]   --> src/parser/tests.rs:97:14
[INFO] [stderr]    |
[INFO] [stderr] 97 |     for s in vec!["null", "null, ", "null ", "null!"] {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["null", "null, ", "null ", "null!"]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/parser/tests.rs:104:14
[INFO] [stderr]     |
[INFO] [stderr] 104 |     for s in vec!["NULL", "!null", "asd", "><>OP"] {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["NULL", "!null", "asd", "><>OP"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/parser/tests.rs:112:14
[INFO] [stderr]     |
[INFO] [stderr] 112 |       for s in vec![
[INFO] [stderr]     |  ______________^
[INFO] [stderr] 113 | |         "{,}",
[INFO] [stderr] 114 | |         "{1 : 1}",
[INFO] [stderr] 115 | |         "{\"asd\": 1,}",
[INFO] [stderr] ...   |
[INFO] [stderr] 120 | |         "{\"asd\": 1; \"bsd\": \"asdasdad}",
[INFO] [stderr] 121 | |     ] {
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[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: useless use of `vec!`
[INFO] [stderr]    --> src/parser/tests.rs:129:14
[INFO] [stderr]     |
[INFO] [stderr] 129 |       for s in vec![
[INFO] [stderr]     |  ______________^
[INFO] [stderr] 130 | |         "{}",
[INFO] [stderr] 131 | |         "{\"asd\": 1}",
[INFO] [stderr] 132 | |         "{\"asd\": {\"b\": 1}}",
[INFO] [stderr] ...   |
[INFO] [stderr] 135 | |         "{\"asd\": 1, \"bsd\": \"asdasdasd\"}",
[INFO] [stderr] 136 | |     ] {
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/parser/mod.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 | /     match next_char(chars).ok_or(unexpected_eof())? {
[INFO] [stderr] 73 | |         ARRAY_END => {
[INFO] [stderr] 74 | |             chars.next();
[INFO] [stderr] 75 | |             return Ok(result);
[INFO] [stderr] 76 | |         }
[INFO] [stderr] 77 | |         _ => (),
[INFO] [stderr] 78 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 72 |     if let ARRAY_END = next_char(chars).ok_or(unexpected_eof())? {
[INFO] [stderr] 73 |     chars.next();
[INFO] [stderr] 74 |     return Ok(result);
[INFO] [stderr] 75 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/parser/mod.rs:72:28
[INFO] [stderr]    |
[INFO] [stderr] 72 |     match next_char(chars).ok_or(unexpected_eof())? {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/parser/mod.rs:83:36
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[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/mod.rs:99:5
[INFO] [stderr]     |
[INFO] [stderr] 99  | /     match next_char(chars).ok_or(unexpected_eof())? {
[INFO] [stderr] 100 | |         OBJECT_END => {
[INFO] [stderr] 101 | |             chars.next();
[INFO] [stderr] 102 | |             return Ok(result);
[INFO] [stderr] 103 | |         }
[INFO] [stderr] 104 | |         _ => (),
[INFO] [stderr] 105 | |     }
[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] 99  |     if let OBJECT_END = next_char(chars).ok_or(unexpected_eof())? {
[INFO] [stderr] 100 |     chars.next();
[INFO] [stderr] 101 |     return Ok(result);
[INFO] [stderr] 102 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/parser/mod.rs:99:28
[INFO] [stderr]    |
[INFO] [stderr] 99 |     match next_char(chars).ok_or(unexpected_eof())? {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:115:36
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:130:36
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:154:36
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:166:32
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:174:44
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:178:22
[INFO] [stderr]     |
[INFO] [stderr] 178 |                     .ok_or(invalid_escape_sequence(i - j - 2, &seq))?;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| invalid_escape_sequence(i - j - 2, &seq))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:180:45
[INFO] [stderr]     |
[INFO] [stderr] 180 |             result.push(char::from_u32(ord).ok_or(invalid_escape_sequence(i - 2, &seq))?)
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| invalid_escape_sequence(i - 2, &seq))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:201:31
[INFO] [stderr]     |
[INFO] [stderr] 201 |     let ch = next_char(chars).ok_or(unexpected_eof())?;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:206:31
[INFO] [stderr]     |
[INFO] [stderr] 206 |     let ch = next_char(chars).ok_or(unexpected_eof())?;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:216:40
[INFO] [stderr]     |
[INFO] [stderr] 216 |             let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:227:43
[INFO] [stderr]     |
[INFO] [stderr] 227 |                 let ch = next_char(chars).ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser/mod.rs:253:20
[INFO] [stderr]     |
[INFO] [stderr] 253 |                 if result.len() > 0 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!result.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: length comparison to zero
[INFO] [stderr]    --> src/parser/mod.rs:280:24
[INFO] [stderr]     |
[INFO] [stderr] 280 |                     if digits.len() == 0 {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `digits.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: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:281:52
[INFO] [stderr]     |
[INFO] [stderr] 281 |                         let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/parser/mod.rs:300:32
[INFO] [stderr]     |
[INFO] [stderr] 300 |     let (i, ch) = chars.next().ok_or(unexpected_eof())?;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(unexpected_eof)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rsjson`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "04e9b0ec3d048e68dda74ac8b1be4368e1d1f8c54de783bb2dc046e58ca4c758"`
[INFO] running `"docker" "rm" "-f" "04e9b0ec3d048e68dda74ac8b1be4368e1d1f8c54de783bb2dc046e58ca4c758"`
[INFO] [stdout] 04e9b0ec3d048e68dda74ac8b1be4368e1d1f8c54de783bb2dc046e58ca4c758