[INFO] crate google-bigquerydatatransfer1 1.0.8+20181008 is already in cache
[INFO] extracting crate google-bigquerydatatransfer1 1.0.8+20181008 into work/ex/clippy-test-run/sources/stable/reg/google-bigquerydatatransfer1/1.0.8+20181008
[INFO] extracting crate google-bigquerydatatransfer1 1.0.8+20181008 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/google-bigquerydatatransfer1/1.0.8+20181008
[INFO] validating manifest of google-bigquerydatatransfer1-1.0.8+20181008 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 google-bigquerydatatransfer1-1.0.8+20181008 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 google-bigquerydatatransfer1-1.0.8+20181008
[INFO] finished frobbing google-bigquerydatatransfer1-1.0.8+20181008
[INFO] frobbed toml for google-bigquerydatatransfer1-1.0.8+20181008 written to work/ex/clippy-test-run/sources/stable/reg/google-bigquerydatatransfer1/1.0.8+20181008/Cargo.toml
[INFO] started frobbing google-bigquerydatatransfer1-1.0.8+20181008
[INFO] finished frobbing google-bigquerydatatransfer1-1.0.8+20181008
[INFO] frobbed toml for google-bigquerydatatransfer1-1.0.8+20181008 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/google-bigquerydatatransfer1/1.0.8+20181008/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 google-bigquerydatatransfer1-1.0.8+20181008 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/google-bigquerydatatransfer1/1.0.8+20181008:/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] 493b90b6ce386e1cd7b88dd2e0b73852908d4b7800349544c86bf2aa11a8a756
[INFO] running `"docker" "start" "-a" "493b90b6ce386e1cd7b88dd2e0b73852908d4b7800349544c86bf2aa11a8a756"`
[INFO] [stderr]     Checking google-bigquerydatatransfer1 v1.0.8+20181008 (/opt/crater/workdir)
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/cmn.rs:360:18
[INFO] [stderr]     |
[INFO] [stderr] 360 | const BOUNDARY: &'static str = "MDuXWGyeE33QFXGchb2VFWc4Z7945d";
[INFO] [stderr]     |                 -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/cmn.rs:594:32
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 const PREFIX: &'static str = "bytes ";
[INFO] [stderr]     |                               -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/cmn.rs:360:18
[INFO] [stderr]     |
[INFO] [stderr] 360 | const BOUNDARY: &'static str = "MDuXWGyeE33QFXGchb2VFWc4Z7945d";
[INFO] [stderr]     |                 -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/cmn.rs:594:32
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 const PREFIX: &'static str = "bytes ";
[INFO] [stderr]     |                               -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/cmn.rs:312:45
[INFO] [stderr]     |
[INFO] [stderr] 312 | /                                             match &err.location {
[INFO] [stderr] 313 | |                                                 &Some(ref loc) => format!("@{}", loc),
[INFO] [stderr] 314 | |                                                 &None => String::new(),
[INFO] [stderr] 315 | |                                             }));
[INFO] [stderr]     | |_____________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 312 |                                             match err.location {
[INFO] [stderr] 313 |                                                 Some(ref loc) => format!("@{}", loc),
[INFO] [stderr] 314 |                                                 None => String::new(),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:411:9
[INFO] [stderr]     |
[INFO] [stderr] 411 |         self.raw_parts.len() == 0 && self.current_part.is_none() && self.last_part_boundary.is_none()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.raw_parts.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/cmn.rs:416:9
[INFO] [stderr]     |
[INFO] [stderr] 416 |         self.raw_parts.len() == 0 && self.current_part.is_some()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.raw_parts.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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/cmn.rs:492:5
[INFO] [stderr]     |
[INFO] [stderr] 492 |     fn deref<'a>(&'a self) -> &'a Mime { &self.0 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/cmn.rs:495:5
[INFO] [stderr]     |
[INFO] [stderr] 495 |     fn deref_mut<'a>(&'a mut self) -> &'a mut Mime { &mut self.0 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:591:12
[INFO] [stderr]     |
[INFO] [stderr] 591 |         if raw.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!raw.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 don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/cmn.rs:312:45
[INFO] [stderr]     |
[INFO] [stderr] 312 | /                                             match &err.location {
[INFO] [stderr] 313 | |                                                 &Some(ref loc) => format!("@{}", loc),
[INFO] [stderr] 314 | |                                                 &None => String::new(),
[INFO] [stderr] 315 | |                                             }));
[INFO] [stderr]     | |_____________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 312 |                                             match err.location {
[INFO] [stderr] 313 |                                                 Some(ref loc) => format!("@{}", loc),
[INFO] [stderr] 314 |                                                 None => String::new(),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:411:9
[INFO] [stderr]     |
[INFO] [stderr] 411 |         self.raw_parts.len() == 0 && self.current_part.is_none() && self.last_part_boundary.is_none()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.raw_parts.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/cmn.rs:416:9
[INFO] [stderr]     |
[INFO] [stderr] 416 |         self.raw_parts.len() == 0 && self.current_part.is_some()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.raw_parts.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/cmn.rs:735:5
[INFO] [stderr]     |
[INFO] [stderr] 735 | /     match *value {
[INFO] [stderr] 736 | |         json::value::Value::Object(ref mut map) => {
[INFO] [stderr] 737 | |             let mut for_removal = Vec::new();
[INFO] [stderr] 738 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 751 | |         _ => {}
[INFO] [stderr] 752 | |     }
[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] 735 |     if let json::value::Value::Object(ref mut map) = *value {
[INFO] [stderr] 736 |     let mut for_removal = Vec::new();
[INFO] [stderr] 737 | 
[INFO] [stderr] 738 |     for (key, mut value) in map.iter_mut() {
[INFO] [stderr] 739 |         if value.is_null() {
[INFO] [stderr] 740 |             for_removal.push(key.clone());
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/cmn.rs:492:5
[INFO] [stderr]     |
[INFO] [stderr] 492 |     fn deref<'a>(&'a self) -> &'a Mime { &self.0 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/cmn.rs:495:5
[INFO] [stderr]     |
[INFO] [stderr] 495 |     fn deref_mut<'a>(&'a mut self) -> &'a mut Mime { &mut self.0 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:591:12
[INFO] [stderr]     |
[INFO] [stderr] 591 |         if raw.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!raw.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/cmn.rs:735:5
[INFO] [stderr]     |
[INFO] [stderr] 735 | /     match *value {
[INFO] [stderr] 736 | |         json::value::Value::Object(ref mut map) => {
[INFO] [stderr] 737 | |             let mut for_removal = Vec::new();
[INFO] [stderr] 738 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 751 | |         _ => {}
[INFO] [stderr] 752 | |     }
[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] 735 |     if let json::value::Value::Object(ref mut map) = *value {
[INFO] [stderr] 736 |     let mut for_removal = Vec::new();
[INFO] [stderr] 737 | 
[INFO] [stderr] 738 |     for (key, mut value) in map.iter_mut() {
[INFO] [stderr] 739 |         if value.is_null() {
[INFO] [stderr] 740 |             for_removal.push(key.clone());
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:1759:12
[INFO] [stderr]      |
[INFO] [stderr] 1759 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:1771:43
[INFO] [stderr]      |
[INFO] [stderr] 1771 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:1788:12
[INFO] [stderr]      |
[INFO] [stderr] 1788 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:1759:12
[INFO] [stderr]      |
[INFO] [stderr] 1759 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:1771:43
[INFO] [stderr]      |
[INFO] [stderr] 1771 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:1788:12
[INFO] [stderr]      |
[INFO] [stderr] 1788 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:2012:12
[INFO] [stderr]      |
[INFO] [stderr] 2012 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:2024:43
[INFO] [stderr]      |
[INFO] [stderr] 2024 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:2041:12
[INFO] [stderr]      |
[INFO] [stderr] 2041 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:2012:12
[INFO] [stderr]      |
[INFO] [stderr] 2012 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:2024:43
[INFO] [stderr]      |
[INFO] [stderr] 2024 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:2041:12
[INFO] [stderr]      |
[INFO] [stderr] 2041 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:2264:12
[INFO] [stderr]      |
[INFO] [stderr] 2264 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:2276:43
[INFO] [stderr]      |
[INFO] [stderr] 2276 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:2293:12
[INFO] [stderr]      |
[INFO] [stderr] 2293 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:2264:12
[INFO] [stderr]      |
[INFO] [stderr] 2264 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:2276:43
[INFO] [stderr]      |
[INFO] [stderr] 2276 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:2293:12
[INFO] [stderr]      |
[INFO] [stderr] 2293 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:2527:12
[INFO] [stderr]      |
[INFO] [stderr] 2527 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:2539:43
[INFO] [stderr]      |
[INFO] [stderr] 2539 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:2556:12
[INFO] [stderr]      |
[INFO] [stderr] 2556 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:2527:12
[INFO] [stderr]      |
[INFO] [stderr] 2527 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:2539:43
[INFO] [stderr]      |
[INFO] [stderr] 2539 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:2556:12
[INFO] [stderr]      |
[INFO] [stderr] 2556 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:2827:12
[INFO] [stderr]      |
[INFO] [stderr] 2827 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:2839:43
[INFO] [stderr]      |
[INFO] [stderr] 2839 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:2856:12
[INFO] [stderr]      |
[INFO] [stderr] 2856 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:2827:12
[INFO] [stderr]      |
[INFO] [stderr] 2827 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:2839:43
[INFO] [stderr]      |
[INFO] [stderr] 2839 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:2856:12
[INFO] [stderr]      |
[INFO] [stderr] 2856 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:3074:12
[INFO] [stderr]      |
[INFO] [stderr] 3074 |         if self._states.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self._states.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/lib.rs:3101:12
[INFO] [stderr]      |
[INFO] [stderr] 3101 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:3113:43
[INFO] [stderr]      |
[INFO] [stderr] 3113 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:3130:12
[INFO] [stderr]      |
[INFO] [stderr] 3130 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:3074:12
[INFO] [stderr]      |
[INFO] [stderr] 3074 |         if self._states.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self._states.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/lib.rs:3101:12
[INFO] [stderr]      |
[INFO] [stderr] 3101 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:3113:43
[INFO] [stderr]      |
[INFO] [stderr] 3113 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:3130:12
[INFO] [stderr]      |
[INFO] [stderr] 3130 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:3388:12
[INFO] [stderr]      |
[INFO] [stderr] 3388 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:3400:43
[INFO] [stderr]      |
[INFO] [stderr] 3400 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:3417:12
[INFO] [stderr]      |
[INFO] [stderr] 3417 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:3388:12
[INFO] [stderr]      |
[INFO] [stderr] 3388 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:3400:43
[INFO] [stderr]      |
[INFO] [stderr] 3400 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:3417:12
[INFO] [stderr]      |
[INFO] [stderr] 3417 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:3640:12
[INFO] [stderr]      |
[INFO] [stderr] 3640 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:3652:43
[INFO] [stderr]      |
[INFO] [stderr] 3652 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:3669:12
[INFO] [stderr]      |
[INFO] [stderr] 3669 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:3640:12
[INFO] [stderr]      |
[INFO] [stderr] 3640 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:3652:43
[INFO] [stderr]      |
[INFO] [stderr] 3652 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:3669:12
[INFO] [stderr]      |
[INFO] [stderr] 3669 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:3892:12
[INFO] [stderr]      |
[INFO] [stderr] 3892 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:3904:43
[INFO] [stderr]      |
[INFO] [stderr] 3904 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:3921:12
[INFO] [stderr]      |
[INFO] [stderr] 3921 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:3892:12
[INFO] [stderr]      |
[INFO] [stderr] 3892 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:3904:43
[INFO] [stderr]      |
[INFO] [stderr] 3904 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:3921:12
[INFO] [stderr]      |
[INFO] [stderr] 3921 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:4154:12
[INFO] [stderr]      |
[INFO] [stderr] 4154 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:4166:43
[INFO] [stderr]      |
[INFO] [stderr] 4166 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:4183:12
[INFO] [stderr]      |
[INFO] [stderr] 4183 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:4154:12
[INFO] [stderr]      |
[INFO] [stderr] 4154 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:4166:43
[INFO] [stderr]      |
[INFO] [stderr] 4166 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:4183:12
[INFO] [stderr]      |
[INFO] [stderr] 4183 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:4430:12
[INFO] [stderr]      |
[INFO] [stderr] 4430 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:4442:43
[INFO] [stderr]      |
[INFO] [stderr] 4442 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:4459:12
[INFO] [stderr]      |
[INFO] [stderr] 4459 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:4430:12
[INFO] [stderr]      |
[INFO] [stderr] 4430 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:4442:43
[INFO] [stderr]      |
[INFO] [stderr] 4442 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:4459:12
[INFO] [stderr]      |
[INFO] [stderr] 4459 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:4693:12
[INFO] [stderr]      |
[INFO] [stderr] 4693 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:4705:43
[INFO] [stderr]      |
[INFO] [stderr] 4705 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:4722:12
[INFO] [stderr]      |
[INFO] [stderr] 4722 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:4693:12
[INFO] [stderr]      |
[INFO] [stderr] 4693 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:4705:43
[INFO] [stderr]      |
[INFO] [stderr] 4705 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:4722:12
[INFO] [stderr]      |
[INFO] [stderr] 4722 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:4981:12
[INFO] [stderr]      |
[INFO] [stderr] 4981 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:4993:43
[INFO] [stderr]      |
[INFO] [stderr] 4993 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:4981:12
[INFO] [stderr]      |
[INFO] [stderr] 4981 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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/lib.rs:5010:12
[INFO] [stderr]      |
[INFO] [stderr] 5010 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:4993:43
[INFO] [stderr]      |
[INFO] [stderr] 4993 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:5010:12
[INFO] [stderr]      |
[INFO] [stderr] 5010 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:5303:12
[INFO] [stderr]      |
[INFO] [stderr] 5303 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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/lib.rs:5303:12
[INFO] [stderr]      |
[INFO] [stderr] 5303 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.is_empty()`
[INFO] [stderr]      |
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:5315:43
[INFO] [stderr]      |
[INFO] [stderr] 5315 |             if find_this.as_bytes()[1] == '+' as u8 {
[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]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:5315:43
[INFO] [stderr]      |
[INFO] [stderr] 5315 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:5332:12
[INFO] [stderr]      |
[INFO] [stderr] 5332 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:5332:12
[INFO] [stderr]      |
[INFO] [stderr] 5332 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:5615:12
[INFO] [stderr]      |
[INFO] [stderr] 5615 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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/lib.rs:5615:12
[INFO] [stderr]      |
[INFO] [stderr] 5615 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:5627:43
[INFO] [stderr]      |
[INFO] [stderr] 5627 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:5627:43
[INFO] [stderr]      |
[INFO] [stderr] 5627 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:5644:12
[INFO] [stderr]      |
[INFO] [stderr] 5644 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:5644:12
[INFO] [stderr]      |
[INFO] [stderr] 5644 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:5891:12
[INFO] [stderr]      |
[INFO] [stderr] 5891 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:5903:43
[INFO] [stderr]      |
[INFO] [stderr] 5903 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:5920:12
[INFO] [stderr]      |
[INFO] [stderr] 5920 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:5891:12
[INFO] [stderr]      |
[INFO] [stderr] 5891 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:5903:43
[INFO] [stderr]      |
[INFO] [stderr] 5903 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:5920:12
[INFO] [stderr]      |
[INFO] [stderr] 5920 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:6154:12
[INFO] [stderr]      |
[INFO] [stderr] 6154 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:6166:43
[INFO] [stderr]      |
[INFO] [stderr] 6166 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:6183:12
[INFO] [stderr]      |
[INFO] [stderr] 6183 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:6154:12
[INFO] [stderr]      |
[INFO] [stderr] 6154 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:6166:43
[INFO] [stderr]      |
[INFO] [stderr] 6166 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:6183:12
[INFO] [stderr]      |
[INFO] [stderr] 6183 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:6424:12
[INFO] [stderr]      |
[INFO] [stderr] 6424 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:6436:43
[INFO] [stderr]      |
[INFO] [stderr] 6436 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:6453:12
[INFO] [stderr]      |
[INFO] [stderr] 6453 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:6424:12
[INFO] [stderr]      |
[INFO] [stderr] 6424 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:6436:43
[INFO] [stderr]      |
[INFO] [stderr] 6436 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:6453:12
[INFO] [stderr]      |
[INFO] [stderr] 6453 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:6675:12
[INFO] [stderr]      |
[INFO] [stderr] 6675 |         if self._message_types.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self._message_types.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/lib.rs:6693:12
[INFO] [stderr]      |
[INFO] [stderr] 6693 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:6705:43
[INFO] [stderr]      |
[INFO] [stderr] 6705 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:6722:12
[INFO] [stderr]      |
[INFO] [stderr] 6722 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:6675:12
[INFO] [stderr]      |
[INFO] [stderr] 6675 |         if self._message_types.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self._message_types.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/lib.rs:6693:12
[INFO] [stderr]      |
[INFO] [stderr] 6693 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:6705:43
[INFO] [stderr]      |
[INFO] [stderr] 6705 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:6722:12
[INFO] [stderr]      |
[INFO] [stderr] 6722 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:6971:12
[INFO] [stderr]      |
[INFO] [stderr] 6971 |         if self._data_source_ids.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self._data_source_ids.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/lib.rs:6989:12
[INFO] [stderr]      |
[INFO] [stderr] 6989 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:7001:43
[INFO] [stderr]      |
[INFO] [stderr] 7001 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:7018:12
[INFO] [stderr]      |
[INFO] [stderr] 7018 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:6971:12
[INFO] [stderr]      |
[INFO] [stderr] 6971 |         if self._data_source_ids.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self._data_source_ids.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/lib.rs:6989:12
[INFO] [stderr]      |
[INFO] [stderr] 6989 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:7001:43
[INFO] [stderr]      |
[INFO] [stderr] 7001 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:7018:12
[INFO] [stderr]      |
[INFO] [stderr] 7018 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:7285:12
[INFO] [stderr]      |
[INFO] [stderr] 7285 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:7297:43
[INFO] [stderr]      |
[INFO] [stderr] 7297 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:7314:12
[INFO] [stderr]      |
[INFO] [stderr] 7314 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:7285:12
[INFO] [stderr]      |
[INFO] [stderr] 7285 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:7297:43
[INFO] [stderr]      |
[INFO] [stderr] 7297 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:7314:12
[INFO] [stderr]      |
[INFO] [stderr] 7314 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:7607:12
[INFO] [stderr]      |
[INFO] [stderr] 7607 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:7619:43
[INFO] [stderr]      |
[INFO] [stderr] 7619 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:7636:12
[INFO] [stderr]      |
[INFO] [stderr] 7636 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:7607:12
[INFO] [stderr]      |
[INFO] [stderr] 7607 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:7619:43
[INFO] [stderr]      |
[INFO] [stderr] 7619 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:7636:12
[INFO] [stderr]      |
[INFO] [stderr] 7636 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:7893:12
[INFO] [stderr]      |
[INFO] [stderr] 7893 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:7905:43
[INFO] [stderr]      |
[INFO] [stderr] 7905 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:7922:12
[INFO] [stderr]      |
[INFO] [stderr] 7922 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:7893:12
[INFO] [stderr]      |
[INFO] [stderr] 7893 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:7905:43
[INFO] [stderr]      |
[INFO] [stderr] 7905 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:7922:12
[INFO] [stderr]      |
[INFO] [stderr] 7922 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:8184:12
[INFO] [stderr]      |
[INFO] [stderr] 8184 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:8196:43
[INFO] [stderr]      |
[INFO] [stderr] 8196 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:8213:12
[INFO] [stderr]      |
[INFO] [stderr] 8213 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:8184:12
[INFO] [stderr]      |
[INFO] [stderr] 8184 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:8196:43
[INFO] [stderr]      |
[INFO] [stderr] 8196 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:8213:12
[INFO] [stderr]      |
[INFO] [stderr] 8213 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:8451:12
[INFO] [stderr]      |
[INFO] [stderr] 8451 |         if self._states.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self._states.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/lib.rs:8478:12
[INFO] [stderr]      |
[INFO] [stderr] 8478 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:8490:43
[INFO] [stderr]      |
[INFO] [stderr] 8490 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:8507:12
[INFO] [stderr]      |
[INFO] [stderr] 8507 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:8451:12
[INFO] [stderr]      |
[INFO] [stderr] 8451 |         if self._states.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self._states.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/lib.rs:8478:12
[INFO] [stderr]      |
[INFO] [stderr] 8478 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:8490:43
[INFO] [stderr]      |
[INFO] [stderr] 8490 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:8507:12
[INFO] [stderr]      |
[INFO] [stderr] 8507 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:8763:12
[INFO] [stderr]      |
[INFO] [stderr] 8763 |         if self._data_source_ids.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self._data_source_ids.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/lib.rs:8781:12
[INFO] [stderr]      |
[INFO] [stderr] 8781 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:8793:43
[INFO] [stderr]      |
[INFO] [stderr] 8793 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:8810:12
[INFO] [stderr]      |
[INFO] [stderr] 8810 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:8763:12
[INFO] [stderr]      |
[INFO] [stderr] 8763 |         if self._data_source_ids.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self._data_source_ids.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/lib.rs:8781:12
[INFO] [stderr]      |
[INFO] [stderr] 8781 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:8793:43
[INFO] [stderr]      |
[INFO] [stderr] 8793 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:8810:12
[INFO] [stderr]      |
[INFO] [stderr] 8810 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:9058:12
[INFO] [stderr]      |
[INFO] [stderr] 9058 |         if self._message_types.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self._message_types.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/lib.rs:9076:12
[INFO] [stderr]      |
[INFO] [stderr] 9076 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:9088:43
[INFO] [stderr]      |
[INFO] [stderr] 9088 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:9105:12
[INFO] [stderr]      |
[INFO] [stderr] 9105 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:9058:12
[INFO] [stderr]      |
[INFO] [stderr] 9058 |         if self._message_types.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self._message_types.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/lib.rs:9076:12
[INFO] [stderr]      |
[INFO] [stderr] 9076 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:9088:43
[INFO] [stderr]      |
[INFO] [stderr] 9088 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:9105:12
[INFO] [stderr]      |
[INFO] [stderr] 9105 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:9356:12
[INFO] [stderr]      |
[INFO] [stderr] 9356 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:9368:43
[INFO] [stderr]      |
[INFO] [stderr] 9368 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:9385:12
[INFO] [stderr]      |
[INFO] [stderr] 9385 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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/lib.rs:9356:12
[INFO] [stderr]      |
[INFO] [stderr] 9356 |         if self._scopes.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self._scopes.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:9368:43
[INFO] [stderr]      |
[INFO] [stderr] 9368 |             if find_this.as_bytes()[1] == '+' as u8 {
[INFO] [stderr]      |                                           ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: Consider using a byte literal instead:
[INFO] [stderr]              b'+'
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:9385:12
[INFO] [stderr]      |
[INFO] [stderr] 9385 |         if params.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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]     Finished dev [unoptimized + debuginfo] target(s) in 9.19s
[INFO] running `"docker" "inspect" "493b90b6ce386e1cd7b88dd2e0b73852908d4b7800349544c86bf2aa11a8a756"`
[INFO] running `"docker" "rm" "-f" "493b90b6ce386e1cd7b88dd2e0b73852908d4b7800349544c86bf2aa11a8a756"`
[INFO] [stdout] 493b90b6ce386e1cd7b88dd2e0b73852908d4b7800349544c86bf2aa11a8a756