[INFO] crate google-cloudresourcemanager1 1.0.8+20181008 is already in cache
[INFO] extracting crate google-cloudresourcemanager1 1.0.8+20181008 into work/ex/clippy-test-run/sources/stable/reg/google-cloudresourcemanager1/1.0.8+20181008
[INFO] extracting crate google-cloudresourcemanager1 1.0.8+20181008 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/google-cloudresourcemanager1/1.0.8+20181008
[INFO] validating manifest of google-cloudresourcemanager1-1.0.8+20181008 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of google-cloudresourcemanager1-1.0.8+20181008 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing google-cloudresourcemanager1-1.0.8+20181008
[INFO] finished frobbing google-cloudresourcemanager1-1.0.8+20181008
[INFO] frobbed toml for google-cloudresourcemanager1-1.0.8+20181008 written to work/ex/clippy-test-run/sources/stable/reg/google-cloudresourcemanager1/1.0.8+20181008/Cargo.toml
[INFO] started frobbing google-cloudresourcemanager1-1.0.8+20181008
[INFO] finished frobbing google-cloudresourcemanager1-1.0.8+20181008
[INFO] frobbed toml for google-cloudresourcemanager1-1.0.8+20181008 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/google-cloudresourcemanager1/1.0.8+20181008/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting google-cloudresourcemanager1-1.0.8+20181008 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/google-cloudresourcemanager1/1.0.8+20181008:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 49a663856d98ca30f4b43ec2ba99b25819b1be8afdfb1485a77162ed2f524810
[INFO] running `"docker" "start" "-a" "49a663856d98ca30f4b43ec2ba99b25819b1be8afdfb1485a77162ed2f524810"`
[INFO] [stderr]     Checking google-cloudresourcemanager1 v1.0.8+20181008 (/opt/crater/workdir)
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/cmn.rs:360:18
[INFO] [stderr]     |
[INFO] [stderr] 360 | const BOUNDARY: &'static str = "MDuXWGyeE33QFXGchb2VFWc4Z7945d";
[INFO] [stderr]     |                 -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/cmn.rs:594:32
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 const PREFIX: &'static str = "bytes ";
[INFO] [stderr]     |                               -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/cmn.rs:360:18
[INFO] [stderr]     |
[INFO] [stderr] 360 | const BOUNDARY: &'static str = "MDuXWGyeE33QFXGchb2VFWc4Z7945d";
[INFO] [stderr]     |                 -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/cmn.rs:594:32
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 const PREFIX: &'static str = "bytes ";
[INFO] [stderr]     |                               -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/cmn.rs:312:45
[INFO] [stderr]     |
[INFO] [stderr] 312 | /                                             match &err.location {
[INFO] [stderr] 313 | |                                                 &Some(ref loc) => format!("@{}", loc),
[INFO] [stderr] 314 | |                                                 &None => String::new(),
[INFO] [stderr] 315 | |                                             }));
[INFO] [stderr]     | |_____________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 312 |                                             match err.location {
[INFO] [stderr] 313 |                                                 Some(ref loc) => format!("@{}", loc),
[INFO] [stderr] 314 |                                                 None => String::new(),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:411:9
[INFO] [stderr]     |
[INFO] [stderr] 411 |         self.raw_parts.len() == 0 && self.current_part.is_none() && self.last_part_boundary.is_none()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.raw_parts.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:416:9
[INFO] [stderr]     |
[INFO] [stderr] 416 |         self.raw_parts.len() == 0 && self.current_part.is_some()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.raw_parts.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/cmn.rs:492:5
[INFO] [stderr]     |
[INFO] [stderr] 492 |     fn deref<'a>(&'a self) -> &'a Mime { &self.0 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/cmn.rs:495:5
[INFO] [stderr]     |
[INFO] [stderr] 495 |     fn deref_mut<'a>(&'a mut self) -> &'a mut Mime { &mut self.0 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:591:12
[INFO] [stderr]     |
[INFO] [stderr] 591 |         if raw.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!raw.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you 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:3086:12
[INFO] [stderr]      |
[INFO] [stderr] 3086 |         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:3098:43
[INFO] [stderr]      |
[INFO] [stderr] 3098 |             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:3115:12
[INFO] [stderr]      |
[INFO] [stderr] 3115 |         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:3372:12
[INFO] [stderr]      |
[INFO] [stderr] 3372 |         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:3384:43
[INFO] [stderr]      |
[INFO] [stderr] 3384 |             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:3401:12
[INFO] [stderr]      |
[INFO] [stderr] 3401 |         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: 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/lib.rs:3654:12
[INFO] [stderr]      |
[INFO] [stderr] 3654 |         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:3666:43
[INFO] [stderr]      |
[INFO] [stderr] 3666 |             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:3683:12
[INFO] [stderr]      |
[INFO] [stderr] 3683 |         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/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: length comparison to zero
[INFO] [stderr]     --> src/lib.rs:3941:12
[INFO] [stderr]      |
[INFO] [stderr] 3941 |         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:3953:43
[INFO] [stderr]      |
[INFO] [stderr] 3953 |             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:3970:12
[INFO] [stderr]      |
[INFO] [stderr] 3970 |         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: 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/lib.rs:4227:12
[INFO] [stderr]      |
[INFO] [stderr] 4227 |         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:4239:43
[INFO] [stderr]      |
[INFO] [stderr] 4239 |             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:4256:12
[INFO] [stderr]      |
[INFO] [stderr] 4256 |         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:4509:12
[INFO] [stderr]      |
[INFO] [stderr] 4509 |         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/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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]     --> src/lib.rs:4521:43
[INFO] [stderr]      |
[INFO] [stderr] 4521 |             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:4538:12
[INFO] [stderr]      |
[INFO] [stderr] 4538 |         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:4796:12
[INFO] [stderr]      |
[INFO] [stderr] 4796 |         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:4808:43
[INFO] [stderr]      |
[INFO] [stderr] 4808 |             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:4825:12
[INFO] [stderr]      |
[INFO] [stderr] 4825 |         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:5078:12
[INFO] [stderr]      |
[INFO] [stderr] 5078 |         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:5090:43
[INFO] [stderr]      |
[INFO] [stderr] 5090 |             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:5107:12
[INFO] [stderr]      |
[INFO] [stderr] 5107 |         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: 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:5360:12
[INFO] [stderr]      |
[INFO] [stderr] 5360 |         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:5372:43
[INFO] [stderr]      |
[INFO] [stderr] 5372 |             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:5389:12
[INFO] [stderr]      |
[INFO] [stderr] 5389 |         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:5647:12
[INFO] [stderr]      |
[INFO] [stderr] 5647 |         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:5659:43
[INFO] [stderr]      |
[INFO] [stderr] 5659 |             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:5676:12
[INFO] [stderr]      |
[INFO] [stderr] 5676 |         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:5923:12
[INFO] [stderr]      |
[INFO] [stderr] 5923 |         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:5935:43
[INFO] [stderr]      |
[INFO] [stderr] 5935 |             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:5952:12
[INFO] [stderr]      |
[INFO] [stderr] 5952 |         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:6185:12
[INFO] [stderr]      |
[INFO] [stderr] 6185 |         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:6197:43
[INFO] [stderr]      |
[INFO] [stderr] 6197 |             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:6214:12
[INFO] [stderr]      |
[INFO] [stderr] 6214 |         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:6470:12
[INFO] [stderr]      |
[INFO] [stderr] 6470 |         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:6475:12
[INFO] [stderr]      |
[INFO] [stderr] 6475 |         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:6723:12
[INFO] [stderr]      |
[INFO] [stderr] 6723 |         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:6735:43
[INFO] [stderr]      |
[INFO] [stderr] 6735 |             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:6752:12
[INFO] [stderr]      |
[INFO] [stderr] 6752 |         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:7010:12
[INFO] [stderr]      |
[INFO] [stderr] 7010 |         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:7022:43
[INFO] [stderr]      |
[INFO] [stderr] 7022 |             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:7039:12
[INFO] [stderr]      |
[INFO] [stderr] 7039 |         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:7297:12
[INFO] [stderr]      |
[INFO] [stderr] 7297 |         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:7309:43
[INFO] [stderr]      |
[INFO] [stderr] 7309 |             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:7326:12
[INFO] [stderr]      |
[INFO] [stderr] 7326 |         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:7579:12
[INFO] [stderr]      |
[INFO] [stderr] 7579 |         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:7591:43
[INFO] [stderr]      |
[INFO] [stderr] 7591 |             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:7608:12
[INFO] [stderr]      |
[INFO] [stderr] 7608 |         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:7864:12
[INFO] [stderr]      |
[INFO] [stderr] 7864 |         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:7869:12
[INFO] [stderr]      |
[INFO] [stderr] 7869 |         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:8110:12
[INFO] [stderr]      |
[INFO] [stderr] 8110 |         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:8122:43
[INFO] [stderr]      |
[INFO] [stderr] 8122 |             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:8139:12
[INFO] [stderr]      |
[INFO] [stderr] 8139 |         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:8365:12
[INFO] [stderr]      |
[INFO] [stderr] 8365 |         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:8377:43
[INFO] [stderr]      |
[INFO] [stderr] 8377 |             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:8394:12
[INFO] [stderr]      |
[INFO] [stderr] 8394 |         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:8632:12
[INFO] [stderr]      |
[INFO] [stderr] 8632 |         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:8637:12
[INFO] [stderr]      |
[INFO] [stderr] 8637 |         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:8890:12
[INFO] [stderr]      |
[INFO] [stderr] 8890 |         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:8916:12
[INFO] [stderr]      |
[INFO] [stderr] 8916 |         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:9153:12
[INFO] [stderr]      |
[INFO] [stderr] 9153 |         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:9179:12
[INFO] [stderr]      |
[INFO] [stderr] 9179 |         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:9447:12
[INFO] [stderr]      |
[INFO] [stderr] 9447 |         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:9452:12
[INFO] [stderr]      |
[INFO] [stderr] 9452 |         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:9700:12
[INFO] [stderr]      |
[INFO] [stderr] 9700 |         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:9712:43
[INFO] [stderr]      |
[INFO] [stderr] 9712 |             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:9729:12
[INFO] [stderr]      |
[INFO] [stderr] 9729 |         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:9986:12
[INFO] [stderr]      |
[INFO] [stderr] 9986 |         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:9998:43
[INFO] [stderr]      |
[INFO] [stderr] 9998 |             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:10015:12
[INFO] [stderr]       |
[INFO] [stderr] 10015 |         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:10268:12
[INFO] [stderr]       |
[INFO] [stderr] 10268 |         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:10280:43
[INFO] [stderr]       |
[INFO] [stderr] 10280 |             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:10297:12
[INFO] [stderr]       |
[INFO] [stderr] 10297 |         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:10555:12
[INFO] [stderr]       |
[INFO] [stderr] 10555 |         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:10581:12
[INFO] [stderr]       |
[INFO] [stderr] 10581 |         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:10836:12
[INFO] [stderr]       |
[INFO] [stderr] 10836 |         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:10848:43
[INFO] [stderr]       |
[INFO] [stderr] 10848 |             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:10865:12
[INFO] [stderr]       |
[INFO] [stderr] 10865 |         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:11119:12
[INFO] [stderr]       |
[INFO] [stderr] 11119 |         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:11145:12
[INFO] [stderr]       |
[INFO] [stderr] 11145 |         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:11399:12
[INFO] [stderr]       |
[INFO] [stderr] 11399 |         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:11411:43
[INFO] [stderr]       |
[INFO] [stderr] 11411 |             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:11428:12
[INFO] [stderr]       |
[INFO] [stderr] 11428 |         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:11676:12
[INFO] [stderr]       |
[INFO] [stderr] 11676 |         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:11702:12
[INFO] [stderr]       |
[INFO] [stderr] 11702 |         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:11944:12
[INFO] [stderr]       |
[INFO] [stderr] 11944 |         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:11949:12
[INFO] [stderr]       |
[INFO] [stderr] 11949 |         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:12228:12
[INFO] [stderr]       |
[INFO] [stderr] 12228 |         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:12240:43
[INFO] [stderr]       |
[INFO] [stderr] 12240 |             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:12257:12
[INFO] [stderr]       |
[INFO] [stderr] 12257 |         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:12512:12
[INFO] [stderr]       |
[INFO] [stderr] 12512 |         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:12538:12
[INFO] [stderr]       |
[INFO] [stderr] 12538 |         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:12795:12
[INFO] [stderr]       |
[INFO] [stderr] 12795 |         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:12821:12
[INFO] [stderr]       |
[INFO] [stderr] 12821 |         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:13119:12
[INFO] [stderr]       |
[INFO] [stderr] 13119 |         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:13145:12
[INFO] [stderr]       |
[INFO] [stderr] 13145 |         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:13394:12
[INFO] [stderr]       |
[INFO] [stderr] 13394 |         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:13406:43
[INFO] [stderr]       |
[INFO] [stderr] 13406 |             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:13423:12
[INFO] [stderr]       |
[INFO] [stderr] 13423 |         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:3086:12
[INFO] [stderr]      |
[INFO] [stderr] 3086 |         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:3098:43
[INFO] [stderr]      |
[INFO] [stderr] 3098 |             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:3115:12
[INFO] [stderr]      |
[INFO] [stderr] 3115 |         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:3372:12
[INFO] [stderr]      |
[INFO] [stderr] 3372 |         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:3384:43
[INFO] [stderr]      |
[INFO] [stderr] 3384 |             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:3401:12
[INFO] [stderr]      |
[INFO] [stderr] 3401 |         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:3654:12
[INFO] [stderr]      |
[INFO] [stderr] 3654 |         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:3666:43
[INFO] [stderr]      |
[INFO] [stderr] 3666 |             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:3683:12
[INFO] [stderr]      |
[INFO] [stderr] 3683 |         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:3941:12
[INFO] [stderr]      |
[INFO] [stderr] 3941 |         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:3953:43
[INFO] [stderr]      |
[INFO] [stderr] 3953 |             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:3970:12
[INFO] [stderr]      |
[INFO] [stderr] 3970 |         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:4227:12
[INFO] [stderr]      |
[INFO] [stderr] 4227 |         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:4239:43
[INFO] [stderr]      |
[INFO] [stderr] 4239 |             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:4256:12
[INFO] [stderr]      |
[INFO] [stderr] 4256 |         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:4509:12
[INFO] [stderr]      |
[INFO] [stderr] 4509 |         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:4521:43
[INFO] [stderr]      |
[INFO] [stderr] 4521 |             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:4538:12
[INFO] [stderr]      |
[INFO] [stderr] 4538 |         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:4796:12
[INFO] [stderr]      |
[INFO] [stderr] 4796 |         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:4808:43
[INFO] [stderr]      |
[INFO] [stderr] 4808 |             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:4825:12
[INFO] [stderr]      |
[INFO] [stderr] 4825 |         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:5078:12
[INFO] [stderr]      |
[INFO] [stderr] 5078 |         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:5090:43
[INFO] [stderr]      |
[INFO] [stderr] 5090 |             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:5107:12
[INFO] [stderr]      |
[INFO] [stderr] 5107 |         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:5360:12
[INFO] [stderr]      |
[INFO] [stderr] 5360 |         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:5372:43
[INFO] [stderr]      |
[INFO] [stderr] 5372 |             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:5389:12
[INFO] [stderr]      |
[INFO] [stderr] 5389 |         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:5647:12
[INFO] [stderr]      |
[INFO] [stderr] 5647 |         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:5659:43
[INFO] [stderr]      |
[INFO] [stderr] 5659 |             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:5676:12
[INFO] [stderr]      |
[INFO] [stderr] 5676 |         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:5923:12
[INFO] [stderr]      |
[INFO] [stderr] 5923 |         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:5935:43
[INFO] [stderr]      |
[INFO] [stderr] 5935 |             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:5952:12
[INFO] [stderr]      |
[INFO] [stderr] 5952 |         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:6185:12
[INFO] [stderr]      |
[INFO] [stderr] 6185 |         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:6197:43
[INFO] [stderr]      |
[INFO] [stderr] 6197 |             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:6214:12
[INFO] [stderr]      |
[INFO] [stderr] 6214 |         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:6470:12
[INFO] [stderr]      |
[INFO] [stderr] 6470 |         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:6475:12
[INFO] [stderr]      |
[INFO] [stderr] 6475 |         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:6723:12
[INFO] [stderr]      |
[INFO] [stderr] 6723 |         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:6735:43
[INFO] [stderr]      |
[INFO] [stderr] 6735 |             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:6752:12
[INFO] [stderr]      |
[INFO] [stderr] 6752 |         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:7010:12
[INFO] [stderr]      |
[INFO] [stderr] 7010 |         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:7022:43
[INFO] [stderr]      |
[INFO] [stderr] 7022 |             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:7039:12
[INFO] [stderr]      |
[INFO] [stderr] 7039 |         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:7297:12
[INFO] [stderr]      |
[INFO] [stderr] 7297 |         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:7309:43
[INFO] [stderr]      |
[INFO] [stderr] 7309 |             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:7326:12
[INFO] [stderr]      |
[INFO] [stderr] 7326 |         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:7579:12
[INFO] [stderr]      |
[INFO] [stderr] 7579 |         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:7591:43
[INFO] [stderr]      |
[INFO] [stderr] 7591 |             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:7608:12
[INFO] [stderr]      |
[INFO] [stderr] 7608 |         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:7864:12
[INFO] [stderr]      |
[INFO] [stderr] 7864 |         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:7869:12
[INFO] [stderr]      |
[INFO] [stderr] 7869 |         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:8110:12
[INFO] [stderr]      |
[INFO] [stderr] 8110 |         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:8122:43
[INFO] [stderr]      |
[INFO] [stderr] 8122 |             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:8139:12
[INFO] [stderr]      |
[INFO] [stderr] 8139 |         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:8365:12
[INFO] [stderr]      |
[INFO] [stderr] 8365 |         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:8377:43
[INFO] [stderr]      |
[INFO] [stderr] 8377 |             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:8394:12
[INFO] [stderr]      |
[INFO] [stderr] 8394 |         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:8632:12
[INFO] [stderr]      |
[INFO] [stderr] 8632 |         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:8637:12
[INFO] [stderr]      |
[INFO] [stderr] 8637 |         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:8890:12
[INFO] [stderr]      |
[INFO] [stderr] 8890 |         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:8916:12
[INFO] [stderr]      |
[INFO] [stderr] 8916 |         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:9153:12
[INFO] [stderr]      |
[INFO] [stderr] 9153 |         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:9179:12
[INFO] [stderr]      |
[INFO] [stderr] 9179 |         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:9447:12
[INFO] [stderr]      |
[INFO] [stderr] 9447 |         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:9452:12
[INFO] [stderr]      |
[INFO] [stderr] 9452 |         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:9700:12
[INFO] [stderr]      |
[INFO] [stderr] 9700 |         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:9712:43
[INFO] [stderr]      |
[INFO] [stderr] 9712 |             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:9729:12
[INFO] [stderr]      |
[INFO] [stderr] 9729 |         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:9986:12
[INFO] [stderr]      |
[INFO] [stderr] 9986 |         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:9998:43
[INFO] [stderr]      |
[INFO] [stderr] 9998 |             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:10015:12
[INFO] [stderr]       |
[INFO] [stderr] 10015 |         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:10268:12
[INFO] [stderr]       |
[INFO] [stderr] 10268 |         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:10280:43
[INFO] [stderr]       |
[INFO] [stderr] 10280 |             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:10297:12
[INFO] [stderr]       |
[INFO] [stderr] 10297 |         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:10555:12
[INFO] [stderr]       |
[INFO] [stderr] 10555 |         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:10581:12
[INFO] [stderr]       |
[INFO] [stderr] 10581 |         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:10836:12
[INFO] [stderr]       |
[INFO] [stderr] 10836 |         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:10848:43
[INFO] [stderr]       |
[INFO] [stderr] 10848 |             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:10865:12
[INFO] [stderr]       |
[INFO] [stderr] 10865 |         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:11119:12
[INFO] [stderr]       |
[INFO] [stderr] 11119 |         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:11145:12
[INFO] [stderr]       |
[INFO] [stderr] 11145 |         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:11399:12
[INFO] [stderr]       |
[INFO] [stderr] 11399 |         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:11411:43
[INFO] [stderr]       |
[INFO] [stderr] 11411 |             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:11428:12
[INFO] [stderr]       |
[INFO] [stderr] 11428 |         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:11676:12
[INFO] [stderr]       |
[INFO] [stderr] 11676 |         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:11702:12
[INFO] [stderr]       |
[INFO] [stderr] 11702 |         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:11944:12
[INFO] [stderr]       |
[INFO] [stderr] 11944 |         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:11949:12
[INFO] [stderr]       |
[INFO] [stderr] 11949 |         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:12228:12
[INFO] [stderr]       |
[INFO] [stderr] 12228 |         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:12240:43
[INFO] [stderr]       |
[INFO] [stderr] 12240 |             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:12257:12
[INFO] [stderr]       |
[INFO] [stderr] 12257 |         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:12512:12
[INFO] [stderr]       |
[INFO] [stderr] 12512 |         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:12538:12
[INFO] [stderr]       |
[INFO] [stderr] 12538 |         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:12795:12
[INFO] [stderr]       |
[INFO] [stderr] 12795 |         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:12821:12
[INFO] [stderr]       |
[INFO] [stderr] 12821 |         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:13119:12
[INFO] [stderr]       |
[INFO] [stderr] 13119 |         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:13145:12
[INFO] [stderr]       |
[INFO] [stderr] 13145 |         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:13394:12
[INFO] [stderr]       |
[INFO] [stderr] 13394 |         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:13406:43
[INFO] [stderr]       |
[INFO] [stderr] 13406 |             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:13423:12
[INFO] [stderr]       |
[INFO] [stderr] 13423 |         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 12.72s
[INFO] running `"docker" "inspect" "49a663856d98ca30f4b43ec2ba99b25819b1be8afdfb1485a77162ed2f524810"`
[INFO] running `"docker" "rm" "-f" "49a663856d98ca30f4b43ec2ba99b25819b1be8afdfb1485a77162ed2f524810"`
[INFO] [stdout] 49a663856d98ca30f4b43ec2ba99b25819b1be8afdfb1485a77162ed2f524810