[INFO] crate google-genomics1 1.0.8+20181010 is already in cache
[INFO] extracting crate google-genomics1 1.0.8+20181010 into work/ex/clippy-test-run/sources/stable/reg/google-genomics1/1.0.8+20181010
[INFO] extracting crate google-genomics1 1.0.8+20181010 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/google-genomics1/1.0.8+20181010
[INFO] validating manifest of google-genomics1-1.0.8+20181010 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-genomics1-1.0.8+20181010 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-genomics1-1.0.8+20181010
[INFO] finished frobbing google-genomics1-1.0.8+20181010
[INFO] frobbed toml for google-genomics1-1.0.8+20181010 written to work/ex/clippy-test-run/sources/stable/reg/google-genomics1/1.0.8+20181010/Cargo.toml
[INFO] started frobbing google-genomics1-1.0.8+20181010
[INFO] finished frobbing google-genomics1-1.0.8+20181010
[INFO] frobbed toml for google-genomics1-1.0.8+20181010 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/google-genomics1/1.0.8+20181010/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-genomics1-1.0.8+20181010 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-genomics1/1.0.8+20181010:/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] 8b7ca3eac5bf2007eb1a8b176d5690a5785b41fe7ad53664269f37d98921a580
[INFO] running `"docker" "start" "-a" "8b7ca3eac5bf2007eb1a8b176d5690a5785b41fe7ad53664269f37d98921a580"`
[INFO] [stderr]     Checking google-genomics1 v1.0.8+20181010 (/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 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: 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 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:4680:12
[INFO] [stderr]      |
[INFO] [stderr] 4680 |         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:4692:43
[INFO] [stderr]      |
[INFO] [stderr] 4692 |             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:4709:12
[INFO] [stderr]      |
[INFO] [stderr] 4709 |         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:4960:12
[INFO] [stderr]      |
[INFO] [stderr] 4960 |         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:4972:43
[INFO] [stderr]      |
[INFO] [stderr] 4972 |             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:4989:12
[INFO] [stderr]      |
[INFO] [stderr] 4989 |         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:5229:12
[INFO] [stderr]      |
[INFO] [stderr] 5229 |         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:5241:43
[INFO] [stderr]      |
[INFO] [stderr] 5241 |             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:5258:12
[INFO] [stderr]      |
[INFO] [stderr] 5258 |         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:5535:12
[INFO] [stderr]      |
[INFO] [stderr] 5535 |         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:5540:12
[INFO] [stderr]      |
[INFO] [stderr] 5540 |         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:5780:12
[INFO] [stderr]      |
[INFO] [stderr] 5780 |         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:5806:12
[INFO] [stderr]      |
[INFO] [stderr] 5806 |         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:6036:12
[INFO] [stderr]      |
[INFO] [stderr] 6036 |         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:6062:12
[INFO] [stderr]      |
[INFO] [stderr] 6062 |         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:6319:12
[INFO] [stderr]      |
[INFO] [stderr] 6319 |         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:6331:43
[INFO] [stderr]      |
[INFO] [stderr] 6331 |             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:6348:12
[INFO] [stderr]      |
[INFO] [stderr] 6348 |         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:6604:12
[INFO] [stderr]      |
[INFO] [stderr] 6604 |         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:6616:43
[INFO] [stderr]      |
[INFO] [stderr] 6616 |             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:6633:12
[INFO] [stderr]      |
[INFO] [stderr] 6633 |         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:6879:12
[INFO] [stderr]      |
[INFO] [stderr] 6879 |         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:6905:12
[INFO] [stderr]      |
[INFO] [stderr] 6905 |         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:7139:12
[INFO] [stderr]      |
[INFO] [stderr] 7139 |         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:7144:12
[INFO] [stderr]      |
[INFO] [stderr] 7144 |         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:7391:12
[INFO] [stderr]      |
[INFO] [stderr] 7391 |         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:7403:43
[INFO] [stderr]      |
[INFO] [stderr] 7403 |             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:7420:12
[INFO] [stderr]      |
[INFO] [stderr] 7420 |         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:7680:12
[INFO] [stderr]      |
[INFO] [stderr] 7680 |         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:7706:12
[INFO] [stderr]      |
[INFO] [stderr] 7706 |         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:7969:12
[INFO] [stderr]      |
[INFO] [stderr] 7969 |         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:7974:12
[INFO] [stderr]      |
[INFO] [stderr] 7974 |         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:8212:12
[INFO] [stderr]      |
[INFO] [stderr] 8212 |         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:8238:12
[INFO] [stderr]      |
[INFO] [stderr] 8238 |         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:8467:12
[INFO] [stderr]      |
[INFO] [stderr] 8467 |         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:8472:12
[INFO] [stderr]      |
[INFO] [stderr] 8472 |         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:8721:12
[INFO] [stderr]      |
[INFO] [stderr] 8721 |         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:8747:12
[INFO] [stderr]      |
[INFO] [stderr] 8747 |         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:9007:12
[INFO] [stderr]      |
[INFO] [stderr] 9007 |         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:9012:12
[INFO] [stderr]      |
[INFO] [stderr] 9012 |         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:9247:12
[INFO] [stderr]      |
[INFO] [stderr] 9247 |         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:9273:12
[INFO] [stderr]      |
[INFO] [stderr] 9273 |         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:9494:12
[INFO] [stderr]      |
[INFO] [stderr] 9494 |         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:9520:12
[INFO] [stderr]      |
[INFO] [stderr] 9520 |         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:9765:12
[INFO] [stderr]      |
[INFO] [stderr] 9765 |         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:9770:12
[INFO] [stderr]      |
[INFO] [stderr] 9770 |         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:10017:12
[INFO] [stderr]       |
[INFO] [stderr] 10017 |         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:10043:12
[INFO] [stderr]       |
[INFO] [stderr] 10043 |         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:10307:12
[INFO] [stderr]       |
[INFO] [stderr] 10307 |         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:10312:12
[INFO] [stderr]       |
[INFO] [stderr] 10312 |         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:10561:12
[INFO] [stderr]       |
[INFO] [stderr] 10561 |         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:10587:12
[INFO] [stderr]       |
[INFO] [stderr] 10587 |         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:10846:12
[INFO] [stderr]       |
[INFO] [stderr] 10846 |         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:10872:12
[INFO] [stderr]       |
[INFO] [stderr] 10872 |         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:11131:12
[INFO] [stderr]       |
[INFO] [stderr] 11131 |         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:11157:12
[INFO] [stderr]       |
[INFO] [stderr] 11157 |         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:11433:12
[INFO] [stderr]       |
[INFO] [stderr] 11433 |         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:11459:12
[INFO] [stderr]       |
[INFO] [stderr] 11459 |         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:11689:12
[INFO] [stderr]       |
[INFO] [stderr] 11689 |         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:11694:12
[INFO] [stderr]       |
[INFO] [stderr] 11694 |         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:11952:12
[INFO] [stderr]       |
[INFO] [stderr] 11952 |         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:11978:12
[INFO] [stderr]       |
[INFO] [stderr] 11978 |         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:12240:12
[INFO] [stderr]       |
[INFO] [stderr] 12240 |         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:12245:12
[INFO] [stderr]       |
[INFO] [stderr] 12245 |         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:12483:12
[INFO] [stderr]       |
[INFO] [stderr] 12483 |         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:12509:12
[INFO] [stderr]       |
[INFO] [stderr] 12509 |         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:12738:12
[INFO] [stderr]       |
[INFO] [stderr] 12738 |         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:12743:12
[INFO] [stderr]       |
[INFO] [stderr] 12743 |         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:12978:12
[INFO] [stderr]       |
[INFO] [stderr] 12978 |         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:13004:12
[INFO] [stderr]       |
[INFO] [stderr] 13004 |         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:13225:12
[INFO] [stderr]       |
[INFO] [stderr] 13225 |         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:13251:12
[INFO] [stderr]       |
[INFO] [stderr] 13251 |         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:13563:12
[INFO] [stderr]       |
[INFO] [stderr] 13563 |         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:13568:12
[INFO] [stderr]       |
[INFO] [stderr] 13568 |         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:13808:12
[INFO] [stderr]       |
[INFO] [stderr] 13808 |         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:13813:12
[INFO] [stderr]       |
[INFO] [stderr] 13813 |         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:14066:12
[INFO] [stderr]       |
[INFO] [stderr] 14066 |         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:14071:12
[INFO] [stderr]       |
[INFO] [stderr] 14071 |         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:14321:12
[INFO] [stderr]       |
[INFO] [stderr] 14321 |         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:14347:12
[INFO] [stderr]       |
[INFO] [stderr] 14347 |         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:14615:12
[INFO] [stderr]       |
[INFO] [stderr] 14615 |         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:14641:12
[INFO] [stderr]       |
[INFO] [stderr] 14641 |         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:14899:12
[INFO] [stderr]       |
[INFO] [stderr] 14899 |         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:14925:12
[INFO] [stderr]       |
[INFO] [stderr] 14925 |         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:15157:12
[INFO] [stderr]       |
[INFO] [stderr] 15157 |         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:15162:12
[INFO] [stderr]       |
[INFO] [stderr] 15162 |         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:4680:12
[INFO] [stderr]      |
[INFO] [stderr] 4680 |         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:4692:43
[INFO] [stderr]      |
[INFO] [stderr] 4692 |             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:4709:12
[INFO] [stderr]      |
[INFO] [stderr] 4709 |         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:15398:12
[INFO] [stderr]       |
[INFO] [stderr] 15398 |         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:15424:12
[INFO] [stderr]       |
[INFO] [stderr] 15424 |         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:15671:12
[INFO] [stderr]       |
[INFO] [stderr] 15671 |         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:15676:12
[INFO] [stderr]       |
[INFO] [stderr] 15676 |         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:15929:12
[INFO] [stderr]       |
[INFO] [stderr] 15929 |         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:15934:12
[INFO] [stderr]       |
[INFO] [stderr] 15934 |         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:4960:12
[INFO] [stderr]      |
[INFO] [stderr] 4960 |         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:4972:43
[INFO] [stderr]      |
[INFO] [stderr] 4972 |             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:4989:12
[INFO] [stderr]      |
[INFO] [stderr] 4989 |         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:16183:12
[INFO] [stderr]       |
[INFO] [stderr] 16183 |         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:16209:12
[INFO] [stderr]       |
[INFO] [stderr] 16209 |         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:5229:12
[INFO] [stderr]      |
[INFO] [stderr] 5229 |         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:5241:43
[INFO] [stderr]      |
[INFO] [stderr] 5241 |             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:5258:12
[INFO] [stderr]      |
[INFO] [stderr] 5258 |         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:16474:12
[INFO] [stderr]       |
[INFO] [stderr] 16474 |         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:16479:12
[INFO] [stderr]       |
[INFO] [stderr] 16479 |         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:16728:12
[INFO] [stderr]       |
[INFO] [stderr] 16728 |         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:16733:12
[INFO] [stderr]       |
[INFO] [stderr] 16733 |         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:5535:12
[INFO] [stderr]      |
[INFO] [stderr] 5535 |         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:5540:12
[INFO] [stderr]      |
[INFO] [stderr] 5540 |         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:16969:12
[INFO] [stderr]       |
[INFO] [stderr] 16969 |         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:16995:12
[INFO] [stderr]       |
[INFO] [stderr] 16995 |         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:17217:12
[INFO] [stderr]       |
[INFO] [stderr] 17217 |         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:17243:12
[INFO] [stderr]       |
[INFO] [stderr] 17243 |         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:5780:12
[INFO] [stderr]      |
[INFO] [stderr] 5780 |         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:5806:12
[INFO] [stderr]      |
[INFO] [stderr] 5806 |         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:17473:12
[INFO] [stderr]       |
[INFO] [stderr] 17473 |         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:17478:12
[INFO] [stderr]       |
[INFO] [stderr] 17478 |         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:17714:12
[INFO] [stderr]       |
[INFO] [stderr] 17714 |         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:17740:12
[INFO] [stderr]       |
[INFO] [stderr] 17740 |         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:6036:12
[INFO] [stderr]      |
[INFO] [stderr] 6036 |         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:17968:12
[INFO] [stderr]       |
[INFO] [stderr] 17968 |         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: length comparison to zero
[INFO] [stderr]       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr]     --> src/lib.rs:6062:12
[INFO] [stderr]      |
[INFO] [stderr] 6062 |         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] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]      --> src/lib.rs:17994:12
[INFO] [stderr]       |
[INFO] [stderr] 17994 |         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:18252:12
[INFO] [stderr]       |
[INFO] [stderr] 18252 |         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:18278:12
[INFO] [stderr]       |
[INFO] [stderr] 18278 |         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:18545:12
[INFO] [stderr]       |
[INFO] [stderr] 18545 |         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:18550:12
[INFO] [stderr]       |
[INFO] [stderr] 18550 |         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:6319:12
[INFO] [stderr]      |
[INFO] [stderr] 6319 |         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:6331:43
[INFO] [stderr]      |
[INFO] [stderr] 6331 |             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:6348:12
[INFO] [stderr]      |
[INFO] [stderr] 6348 |         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:18785:12
[INFO] [stderr]       |
[INFO] [stderr] 18785 |         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:18811:12
[INFO] [stderr]       |
[INFO] [stderr] 18811 |         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:6604:12
[INFO] [stderr]      |
[INFO] [stderr] 6604 |         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:6616:43
[INFO] [stderr]      |
[INFO] [stderr] 6616 |             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:6633:12
[INFO] [stderr]      |
[INFO] [stderr] 6633 |         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:6879:12
[INFO] [stderr]      |
[INFO] [stderr] 6879 |         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:6905:12
[INFO] [stderr]      |
[INFO] [stderr] 6905 |         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:7139:12
[INFO] [stderr]      |
[INFO] [stderr] 7139 |         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:7144:12
[INFO] [stderr]      |
[INFO] [stderr] 7144 |         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:7391:12
[INFO] [stderr]      |
[INFO] [stderr] 7391 |         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:7403:43
[INFO] [stderr]      |
[INFO] [stderr] 7403 |             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:7420:12
[INFO] [stderr]      |
[INFO] [stderr] 7420 |         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:7680:12
[INFO] [stderr]      |
[INFO] [stderr] 7680 |         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:7706:12
[INFO] [stderr]      |
[INFO] [stderr] 7706 |         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:7969:12
[INFO] [stderr]      |
[INFO] [stderr] 7969 |         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:7974:12
[INFO] [stderr]      |
[INFO] [stderr] 7974 |         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:8212:12
[INFO] [stderr]      |
[INFO] [stderr] 8212 |         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:8238:12
[INFO] [stderr]      |
[INFO] [stderr] 8238 |         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:8467:12
[INFO] [stderr]      |
[INFO] [stderr] 8467 |         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:8472:12
[INFO] [stderr]      |
[INFO] [stderr] 8472 |         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:8721:12
[INFO] [stderr]      |
[INFO] [stderr] 8721 |         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:8747:12
[INFO] [stderr]      |
[INFO] [stderr] 8747 |         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:9007:12
[INFO] [stderr]      |
[INFO] [stderr] 9007 |         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:9012:12
[INFO] [stderr]      |
[INFO] [stderr] 9012 |         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:9247:12
[INFO] [stderr]      |
[INFO] [stderr] 9247 |         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:9273:12
[INFO] [stderr]      |
[INFO] [stderr] 9273 |         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:9494:12
[INFO] [stderr]      |
[INFO] [stderr] 9494 |         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:9520:12
[INFO] [stderr]      |
[INFO] [stderr] 9520 |         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:9765:12
[INFO] [stderr]      |
[INFO] [stderr] 9765 |         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:9770:12
[INFO] [stderr]      |
[INFO] [stderr] 9770 |         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:10017:12
[INFO] [stderr]       |
[INFO] [stderr] 10017 |         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:10043:12
[INFO] [stderr]       |
[INFO] [stderr] 10043 |         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:10307:12
[INFO] [stderr]       |
[INFO] [stderr] 10307 |         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:10312:12
[INFO] [stderr]       |
[INFO] [stderr] 10312 |         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:10561:12
[INFO] [stderr]       |
[INFO] [stderr] 10561 |         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:10587:12
[INFO] [stderr]       |
[INFO] [stderr] 10587 |         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:10846:12
[INFO] [stderr]       |
[INFO] [stderr] 10846 |         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:10872:12
[INFO] [stderr]       |
[INFO] [stderr] 10872 |         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:11131:12
[INFO] [stderr]       |
[INFO] [stderr] 11131 |         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:11157:12
[INFO] [stderr]       |
[INFO] [stderr] 11157 |         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:11433:12
[INFO] [stderr]       |
[INFO] [stderr] 11433 |         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:11459:12
[INFO] [stderr]       |
[INFO] [stderr] 11459 |         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:11689:12
[INFO] [stderr]       |
[INFO] [stderr] 11689 |         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:11694:12
[INFO] [stderr]       |
[INFO] [stderr] 11694 |         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:11952:12
[INFO] [stderr]       |
[INFO] [stderr] 11952 |         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:11978:12
[INFO] [stderr]       |
[INFO] [stderr] 11978 |         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:12240:12
[INFO] [stderr]       |
[INFO] [stderr] 12240 |         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:12245:12
[INFO] [stderr]       |
[INFO] [stderr] 12245 |         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:12483:12
[INFO] [stderr]       |
[INFO] [stderr] 12483 |         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:12509:12
[INFO] [stderr]       |
[INFO] [stderr] 12509 |         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:12738:12
[INFO] [stderr]       |
[INFO] [stderr] 12738 |         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:12743:12
[INFO] [stderr]       |
[INFO] [stderr] 12743 |         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:12978:12
[INFO] [stderr]       |
[INFO] [stderr] 12978 |         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:13004:12
[INFO] [stderr]       |
[INFO] [stderr] 13004 |         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:13225:12
[INFO] [stderr]       |
[INFO] [stderr] 13225 |         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:13251:12
[INFO] [stderr]       |
[INFO] [stderr] 13251 |         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:13563:12
[INFO] [stderr]       |
[INFO] [stderr] 13563 |         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:13568:12
[INFO] [stderr]       |
[INFO] [stderr] 13568 |         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:13808:12
[INFO] [stderr]       |
[INFO] [stderr] 13808 |         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:13813:12
[INFO] [stderr]       |
[INFO] [stderr] 13813 |         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:14066:12
[INFO] [stderr]       |
[INFO] [stderr] 14066 |         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:14071:12
[INFO] [stderr]       |
[INFO] [stderr] 14071 |         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:14321:12
[INFO] [stderr]       |
[INFO] [stderr] 14321 |         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:14347:12
[INFO] [stderr]       |
[INFO] [stderr] 14347 |         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:14615:12
[INFO] [stderr]       |
[INFO] [stderr] 14615 |         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:14641:12
[INFO] [stderr]       |
[INFO] [stderr] 14641 |         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:14899:12
[INFO] [stderr]       |
[INFO] [stderr] 14899 |         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:14925:12
[INFO] [stderr]       |
[INFO] [stderr] 14925 |         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:15157:12
[INFO] [stderr]       |
[INFO] [stderr] 15157 |         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:15162:12
[INFO] [stderr]       |
[INFO] [stderr] 15162 |         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:15398:12
[INFO] [stderr]       |
[INFO] [stderr] 15398 |         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:15424:12
[INFO] [stderr]       |
[INFO] [stderr] 15424 |         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:15671:12
[INFO] [stderr]       |
[INFO] [stderr] 15671 |         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:15676:12
[INFO] [stderr]       |
[INFO] [stderr] 15676 |         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:15929:12
[INFO] [stderr]       |
[INFO] [stderr] 15929 |         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:15934:12
[INFO] [stderr]       |
[INFO] [stderr] 15934 |         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:16183:12
[INFO] [stderr]       |
[INFO] [stderr] 16183 |         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:16209:12
[INFO] [stderr]       |
[INFO] [stderr] 16209 |         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:16474:12
[INFO] [stderr]       |
[INFO] [stderr] 16474 |         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:16479:12
[INFO] [stderr]       |
[INFO] [stderr] 16479 |         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:16728:12
[INFO] [stderr]       |
[INFO] [stderr] 16728 |         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:16733:12
[INFO] [stderr]       |
[INFO] [stderr] 16733 |         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:16969:12
[INFO] [stderr]       |
[INFO] [stderr] 16969 |         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:16995:12
[INFO] [stderr]       |
[INFO] [stderr] 16995 |         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:17217:12
[INFO] [stderr]       |
[INFO] [stderr] 17217 |         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:17243:12
[INFO] [stderr]       |
[INFO] [stderr] 17243 |         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:17473:12
[INFO] [stderr]       |
[INFO] [stderr] 17473 |         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:17478:12
[INFO] [stderr]       |
[INFO] [stderr] 17478 |         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:17714:12
[INFO] [stderr]       |
[INFO] [stderr] 17714 |         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:17740:12
[INFO] [stderr]       |
[INFO] [stderr] 17740 |         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:17968:12
[INFO] [stderr]       |
[INFO] [stderr] 17968 |         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:17994:12
[INFO] [stderr]       |
[INFO] [stderr] 17994 |         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:18252:12
[INFO] [stderr]       |
[INFO] [stderr] 18252 |         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:18278:12
[INFO] [stderr]       |
[INFO] [stderr] 18278 |         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:18545:12
[INFO] [stderr]       |
[INFO] [stderr] 18545 |         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:18550:12
[INFO] [stderr]       |
[INFO] [stderr] 18550 |         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:18785:12
[INFO] [stderr]       |
[INFO] [stderr] 18785 |         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:18811:12
[INFO] [stderr]       |
[INFO] [stderr] 18811 |         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 19.86s
[INFO] running `"docker" "inspect" "8b7ca3eac5bf2007eb1a8b176d5690a5785b41fe7ad53664269f37d98921a580"`
[INFO] running `"docker" "rm" "-f" "8b7ca3eac5bf2007eb1a8b176d5690a5785b41fe7ad53664269f37d98921a580"`
[INFO] [stdout] 8b7ca3eac5bf2007eb1a8b176d5690a5785b41fe7ad53664269f37d98921a580