[INFO] crate piston_meta_search 0.17.0 is already in cache
[INFO] extracting crate piston_meta_search 0.17.0 into work/ex/clippy-test-run/sources/stable/reg/piston_meta_search/0.17.0
[INFO] extracting crate piston_meta_search 0.17.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/piston_meta_search/0.17.0
[INFO] validating manifest of piston_meta_search-0.17.0 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 piston_meta_search-0.17.0 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 piston_meta_search-0.17.0
[INFO] finished frobbing piston_meta_search-0.17.0
[INFO] frobbed toml for piston_meta_search-0.17.0 written to work/ex/clippy-test-run/sources/stable/reg/piston_meta_search/0.17.0/Cargo.toml
[INFO] started frobbing piston_meta_search-0.17.0
[INFO] finished frobbing piston_meta_search-0.17.0
[INFO] frobbed toml for piston_meta_search-0.17.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/piston_meta_search/0.17.0/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 piston_meta_search-0.17.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/piston_meta_search/0.17.0:/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] 1815cd19d4cbbe64e10ec8f62fde5d7abc38c054b0a1594dd699029455fdd52c
[INFO] running `"docker" "start" "-a" "1815cd19d4cbbe64e10ec8f62fde5d7abc38c054b0a1594dd699029455fdd52c"`
[INFO] [stderr]     Checking range v0.3.1
[INFO] [stderr]     Checking read_token v0.9.0
[INFO] [stderr]     Checking piston_meta v0.30.0
[INFO] [stderr]     Checking piston_meta_search v0.17.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             data: data,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             data: data,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |         if self.data.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.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: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:41:35
[INFO] [stderr]    |
[INFO] [stderr] 41 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/lib.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 | /             match &d.data {
[INFO] [stderr] 49 | |                 &MetaData::String(ref n, ref v) => {
[INFO] [stderr] 50 | |                     if &**n == name && &**v == val {
[INFO] [stderr] 51 | |                         return f(Search {
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |                 _ => {}
[INFO] [stderr] 58 | |             }
[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] 48 |             if let &MetaData::String(ref n, ref v) = &d.data {
[INFO] [stderr] 49 |     if &**n == name && &**v == val {
[INFO] [stderr] 50 |         return f(Search {
[INFO] [stderr] 51 |             data: &self.data[i + 1..],
[INFO] [stderr] 52 |             range: Some(d.range())
[INFO] [stderr] 53 |         })
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/lib.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 | /             match &d.data {
[INFO] [stderr] 49 | |                 &MetaData::String(ref n, ref v) => {
[INFO] [stderr] 50 | |                     if &**n == name && &**v == val {
[INFO] [stderr] 51 | |                         return f(Search {
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |                 _ => {}
[INFO] [stderr] 58 | |             }
[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] 48 |             match d.data {
[INFO] [stderr] 49 |                 MetaData::String(ref n, ref v) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]   --> src/lib.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     if &**n == name && &**v == val {
[INFO] [stderr]    |                        ----^^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: use the left value directly: `**n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]   --> src/lib.rs:50:40
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     if &**n == name && &**v == val {
[INFO] [stderr]    |                                        ----^^^^^^^
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        help: use the left value directly: `**v`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:61:24
[INFO] [stderr]    |
[INFO] [stderr] 61 |         Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 |         if self.data.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:78:35
[INFO] [stderr]    |
[INFO] [stderr] 78 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/lib.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             match &d.data {
[INFO] [stderr] 86 | |                 &MetaData::F64(ref n, v) => {
[INFO] [stderr] 87 | |                     if &**n == name && v == val {
[INFO] [stderr] 88 | |                         return f(Search {
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |                 _ => {}
[INFO] [stderr] 95 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 85 |             if let &MetaData::F64(ref n, v) = &d.data {
[INFO] [stderr] 86 |     if &**n == name && v == val {
[INFO] [stderr] 87 |         return f(Search {
[INFO] [stderr] 88 |             data: &self.data[i + 1..],
[INFO] [stderr] 89 |             range: Some(d.range())
[INFO] [stderr] 90 |         })
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/lib.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             match &d.data {
[INFO] [stderr] 86 | |                 &MetaData::F64(ref n, v) => {
[INFO] [stderr] 87 | |                     if &**n == name && v == val {
[INFO] [stderr] 88 | |                         return f(Search {
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |                 _ => {}
[INFO] [stderr] 95 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[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] 85 |             match d.data {
[INFO] [stderr] 86 |                 MetaData::F64(ref n, v) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]   --> src/lib.rs:87:24
[INFO] [stderr]    |
[INFO] [stderr] 87 |                     if &**n == name && v == val {
[INFO] [stderr]    |                        ----^^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: use the left value directly: `**n`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/lib.rs:87:40
[INFO] [stderr]    |
[INFO] [stderr] 87 |                     if &**n == name && v == val {
[INFO] [stderr]    |                                        ^^^^^^^^ help: consider comparing them within some error: `(v - val).abs() < error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/lib.rs:87:40
[INFO] [stderr]    |
[INFO] [stderr] 87 |                     if &**n == name && v == val {
[INFO] [stderr]    |                                        ^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:98:24
[INFO] [stderr]    |
[INFO] [stderr] 98 |         Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:115:35
[INFO] [stderr]     |
[INFO] [stderr] 115 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 | /             match &d.data {
[INFO] [stderr] 123 | |                 &MetaData::Bool(ref n, v) => {
[INFO] [stderr] 124 | |                     if &**n == name && v == val {
[INFO] [stderr] 125 | |                         return f(Search {
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |                 _ => {}
[INFO] [stderr] 132 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 122 |             if let &MetaData::Bool(ref n, v) = &d.data {
[INFO] [stderr] 123 |     if &**n == name && v == val {
[INFO] [stderr] 124 |         return f(Search {
[INFO] [stderr] 125 |             data: &self.data[i + 1..],
[INFO] [stderr] 126 |             range: Some(d.range())
[INFO] [stderr] 127 |         })
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 | /             match &d.data {
[INFO] [stderr] 123 | |                 &MetaData::Bool(ref n, v) => {
[INFO] [stderr] 124 | |                     if &**n == name && v == val {
[INFO] [stderr] 125 | |                         return f(Search {
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |                 _ => {}
[INFO] [stderr] 132 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[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] 122 |             match d.data {
[INFO] [stderr] 123 |                 MetaData::Bool(ref n, v) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     if &**n == name && v == val {
[INFO] [stderr]     |                        ----^^^^^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:135:24
[INFO] [stderr]     |
[INFO] [stderr] 135 |         Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:151:35
[INFO] [stderr]     |
[INFO] [stderr] 151 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 | /             match &d.data {
[INFO] [stderr] 158 | |                 &MetaData::StartNode(ref n) => {
[INFO] [stderr] 159 | |                     if &**n == name {
[INFO] [stderr] 160 | |                         return f(Search {
[INFO] [stderr] ...   |
[INFO] [stderr] 166 | |                 _ => {}
[INFO] [stderr] 167 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 157 |             if let &MetaData::StartNode(ref n) = &d.data {
[INFO] [stderr] 158 |     if &**n == name {
[INFO] [stderr] 159 |         return f(Search {
[INFO] [stderr] 160 |             data: &self.data[i + 1..],
[INFO] [stderr] 161 |             range: Some(d.range())
[INFO] [stderr] 162 |         })
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 | /             match &d.data {
[INFO] [stderr] 158 | |                 &MetaData::StartNode(ref n) => {
[INFO] [stderr] 159 | |                     if &**n == name {
[INFO] [stderr] 160 | |                         return f(Search {
[INFO] [stderr] ...   |
[INFO] [stderr] 166 | |                 _ => {}
[INFO] [stderr] 167 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[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] 157 |             match d.data {
[INFO] [stderr] 158 |                 MetaData::StartNode(ref n) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:159:24
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     if &**n == name {
[INFO] [stderr]     |                        ----^^^^^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:170:24
[INFO] [stderr]     |
[INFO] [stderr] 170 |         Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:184:12
[INFO] [stderr]     |
[INFO] [stderr] 184 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:185:35
[INFO] [stderr]     |
[INFO] [stderr] 185 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 | /             match &d.data {
[INFO] [stderr] 192 | |                 &MetaData::EndNode(ref n) => {
[INFO] [stderr] 193 | |                     if &**n == name {
[INFO] [stderr] 194 | |                         return f(Search {
[INFO] [stderr] ...   |
[INFO] [stderr] 200 | |                 _ => {}
[INFO] [stderr] 201 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 191 |             if let &MetaData::EndNode(ref n) = &d.data {
[INFO] [stderr] 192 |     if &**n == name {
[INFO] [stderr] 193 |         return f(Search {
[INFO] [stderr] 194 |             data: &self.data[i + 1..],
[INFO] [stderr] 195 |             range: Some(d.range())
[INFO] [stderr] 196 |         })
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 | /             match &d.data {
[INFO] [stderr] 192 | |                 &MetaData::EndNode(ref n) => {
[INFO] [stderr] 193 | |                     if &**n == name {
[INFO] [stderr] 194 | |                         return f(Search {
[INFO] [stderr] ...   |
[INFO] [stderr] 200 | |                 _ => {}
[INFO] [stderr] 201 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[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] 191 |             match d.data {
[INFO] [stderr] 192 |                 MetaData::EndNode(ref n) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:193:24
[INFO] [stderr]     |
[INFO] [stderr] 193 |                     if &**n == name {
[INFO] [stderr]     |                        ----^^^^^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:204:24
[INFO] [stderr]     |
[INFO] [stderr] 204 |         Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:211:12
[INFO] [stderr]     |
[INFO] [stderr] 211 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:212:35
[INFO] [stderr]     |
[INFO] [stderr] 212 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:219:20
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 if &**n == name {
[INFO] [stderr]     |                    ----^^^^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:237:12
[INFO] [stderr]     |
[INFO] [stderr] 237 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:238:35
[INFO] [stderr]     |
[INFO] [stderr] 238 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:245:20
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 if &**n == name {
[INFO] [stderr]     |                    ----^^^^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:266:12
[INFO] [stderr]     |
[INFO] [stderr] 266 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:267:35
[INFO] [stderr]     |
[INFO] [stderr] 267 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:274:20
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 if &**n == name {
[INFO] [stderr]     |                    ----^^^^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:292:12
[INFO] [stderr]     |
[INFO] [stderr] 292 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:293:35
[INFO] [stderr]     |
[INFO] [stderr] 293 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:300:20
[INFO] [stderr]     |
[INFO] [stderr] 300 |                 if &**n == name {
[INFO] [stderr]     |                    ----^^^^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:318:12
[INFO] [stderr]     |
[INFO] [stderr] 318 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:319:35
[INFO] [stderr]     |
[INFO] [stderr] 319 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:326:20
[INFO] [stderr]     |
[INFO] [stderr] 326 |                 if &**n == name {
[INFO] [stderr]     |                    ----^^^^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `piston_meta_search`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |         if self.data.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.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: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:41:35
[INFO] [stderr]    |
[INFO] [stderr] 41 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/lib.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 | /             match &d.data {
[INFO] [stderr] 49 | |                 &MetaData::String(ref n, ref v) => {
[INFO] [stderr] 50 | |                     if &**n == name && &**v == val {
[INFO] [stderr] 51 | |                         return f(Search {
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |                 _ => {}
[INFO] [stderr] 58 | |             }
[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] 48 |             if let &MetaData::String(ref n, ref v) = &d.data {
[INFO] [stderr] 49 |     if &**n == name && &**v == val {
[INFO] [stderr] 50 |         return f(Search {
[INFO] [stderr] 51 |             data: &self.data[i + 1..],
[INFO] [stderr] 52 |             range: Some(d.range())
[INFO] [stderr] 53 |         })
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/lib.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 | /             match &d.data {
[INFO] [stderr] 49 | |                 &MetaData::String(ref n, ref v) => {
[INFO] [stderr] 50 | |                     if &**n == name && &**v == val {
[INFO] [stderr] 51 | |                         return f(Search {
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |                 _ => {}
[INFO] [stderr] 58 | |             }
[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] 48 |             match d.data {
[INFO] [stderr] 49 |                 MetaData::String(ref n, ref v) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]   --> src/lib.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     if &**n == name && &**v == val {
[INFO] [stderr]    |                        ----^^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: use the left value directly: `**n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]   --> src/lib.rs:50:40
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     if &**n == name && &**v == val {
[INFO] [stderr]    |                                        ----^^^^^^^
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        help: use the left value directly: `**v`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:61:24
[INFO] [stderr]    |
[INFO] [stderr] 61 |         Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 |         if self.data.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:78:35
[INFO] [stderr]    |
[INFO] [stderr] 78 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/lib.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             match &d.data {
[INFO] [stderr] 86 | |                 &MetaData::F64(ref n, v) => {
[INFO] [stderr] 87 | |                     if &**n == name && v == val {
[INFO] [stderr] 88 | |                         return f(Search {
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |                 _ => {}
[INFO] [stderr] 95 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 85 |             if let &MetaData::F64(ref n, v) = &d.data {
[INFO] [stderr] 86 |     if &**n == name && v == val {
[INFO] [stderr] 87 |         return f(Search {
[INFO] [stderr] 88 |             data: &self.data[i + 1..],
[INFO] [stderr] 89 |             range: Some(d.range())
[INFO] [stderr] 90 |         })
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/lib.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             match &d.data {
[INFO] [stderr] 86 | |                 &MetaData::F64(ref n, v) => {
[INFO] [stderr] 87 | |                     if &**n == name && v == val {
[INFO] [stderr] 88 | |                         return f(Search {
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |                 _ => {}
[INFO] [stderr] 95 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[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] 85 |             match d.data {
[INFO] [stderr] 86 |                 MetaData::F64(ref n, v) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]   --> src/lib.rs:87:24
[INFO] [stderr]    |
[INFO] [stderr] 87 |                     if &**n == name && v == val {
[INFO] [stderr]    |                        ----^^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: use the left value directly: `**n`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/lib.rs:87:40
[INFO] [stderr]    |
[INFO] [stderr] 87 |                     if &**n == name && v == val {
[INFO] [stderr]    |                                        ^^^^^^^^ help: consider comparing them within some error: `(v - val).abs() < error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/lib.rs:87:40
[INFO] [stderr]    |
[INFO] [stderr] 87 |                     if &**n == name && v == val {
[INFO] [stderr]    |                                        ^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:98:24
[INFO] [stderr]    |
[INFO] [stderr] 98 |         Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:115:35
[INFO] [stderr]     |
[INFO] [stderr] 115 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 | /             match &d.data {
[INFO] [stderr] 123 | |                 &MetaData::Bool(ref n, v) => {
[INFO] [stderr] 124 | |                     if &**n == name && v == val {
[INFO] [stderr] 125 | |                         return f(Search {
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |                 _ => {}
[INFO] [stderr] 132 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 122 |             if let &MetaData::Bool(ref n, v) = &d.data {
[INFO] [stderr] 123 |     if &**n == name && v == val {
[INFO] [stderr] 124 |         return f(Search {
[INFO] [stderr] 125 |             data: &self.data[i + 1..],
[INFO] [stderr] 126 |             range: Some(d.range())
[INFO] [stderr] 127 |         })
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 | /             match &d.data {
[INFO] [stderr] 123 | |                 &MetaData::Bool(ref n, v) => {
[INFO] [stderr] 124 | |                     if &**n == name && v == val {
[INFO] [stderr] 125 | |                         return f(Search {
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |                 _ => {}
[INFO] [stderr] 132 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[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] 122 |             match d.data {
[INFO] [stderr] 123 |                 MetaData::Bool(ref n, v) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     if &**n == name && v == val {
[INFO] [stderr]     |                        ----^^^^^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:135:24
[INFO] [stderr]     |
[INFO] [stderr] 135 |         Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:151:35
[INFO] [stderr]     |
[INFO] [stderr] 151 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 | /             match &d.data {
[INFO] [stderr] 158 | |                 &MetaData::StartNode(ref n) => {
[INFO] [stderr] 159 | |                     if &**n == name {
[INFO] [stderr] 160 | |                         return f(Search {
[INFO] [stderr] ...   |
[INFO] [stderr] 166 | |                 _ => {}
[INFO] [stderr] 167 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 157 |             if let &MetaData::StartNode(ref n) = &d.data {
[INFO] [stderr] 158 |     if &**n == name {
[INFO] [stderr] 159 |         return f(Search {
[INFO] [stderr] 160 |             data: &self.data[i + 1..],
[INFO] [stderr] 161 |             range: Some(d.range())
[INFO] [stderr] 162 |         })
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 | /             match &d.data {
[INFO] [stderr] 158 | |                 &MetaData::StartNode(ref n) => {
[INFO] [stderr] 159 | |                     if &**n == name {
[INFO] [stderr] 160 | |                         return f(Search {
[INFO] [stderr] ...   |
[INFO] [stderr] 166 | |                 _ => {}
[INFO] [stderr] 167 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[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] 157 |             match d.data {
[INFO] [stderr] 158 |                 MetaData::StartNode(ref n) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:159:24
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     if &**n == name {
[INFO] [stderr]     |                        ----^^^^^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:170:24
[INFO] [stderr]     |
[INFO] [stderr] 170 |         Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:184:12
[INFO] [stderr]     |
[INFO] [stderr] 184 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:185:35
[INFO] [stderr]     |
[INFO] [stderr] 185 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 | /             match &d.data {
[INFO] [stderr] 192 | |                 &MetaData::EndNode(ref n) => {
[INFO] [stderr] 193 | |                     if &**n == name {
[INFO] [stderr] 194 | |                         return f(Search {
[INFO] [stderr] ...   |
[INFO] [stderr] 200 | |                 _ => {}
[INFO] [stderr] 201 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 191 |             if let &MetaData::EndNode(ref n) = &d.data {
[INFO] [stderr] 192 |     if &**n == name {
[INFO] [stderr] 193 |         return f(Search {
[INFO] [stderr] 194 |             data: &self.data[i + 1..],
[INFO] [stderr] 195 |             range: Some(d.range())
[INFO] [stderr] 196 |         })
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 | /             match &d.data {
[INFO] [stderr] 192 | |                 &MetaData::EndNode(ref n) => {
[INFO] [stderr] 193 | |                     if &**n == name {
[INFO] [stderr] 194 | |                         return f(Search {
[INFO] [stderr] ...   |
[INFO] [stderr] 200 | |                 _ => {}
[INFO] [stderr] 201 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[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] 191 |             match d.data {
[INFO] [stderr] 192 |                 MetaData::EndNode(ref n) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:193:24
[INFO] [stderr]     |
[INFO] [stderr] 193 |                     if &**n == name {
[INFO] [stderr]     |                        ----^^^^^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:204:24
[INFO] [stderr]     |
[INFO] [stderr] 204 |         Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:211:12
[INFO] [stderr]     |
[INFO] [stderr] 211 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:212:35
[INFO] [stderr]     |
[INFO] [stderr] 212 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:219:20
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 if &**n == name {
[INFO] [stderr]     |                    ----^^^^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:237:12
[INFO] [stderr]     |
[INFO] [stderr] 237 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:238:35
[INFO] [stderr]     |
[INFO] [stderr] 238 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:245:20
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 if &**n == name {
[INFO] [stderr]     |                    ----^^^^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:266:12
[INFO] [stderr]     |
[INFO] [stderr] 266 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:267:35
[INFO] [stderr]     |
[INFO] [stderr] 267 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:274:20
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 if &**n == name {
[INFO] [stderr]     |                    ----^^^^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:292:12
[INFO] [stderr]     |
[INFO] [stderr] 292 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:293:35
[INFO] [stderr]     |
[INFO] [stderr] 293 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:300:20
[INFO] [stderr]     |
[INFO] [stderr] 300 |                 if &**n == name {
[INFO] [stderr]     |                    ----^^^^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:318:12
[INFO] [stderr]     |
[INFO] [stderr] 318 |         if self.data.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:319:35
[INFO] [stderr]     |
[INFO] [stderr] 319 |             return Err(self.range.unwrap_or(Range::empty(0)).wrap(
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Range::empty(0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/lib.rs:326:20
[INFO] [stderr]     |
[INFO] [stderr] 326 |                 if &**n == name {
[INFO] [stderr]     |                    ----^^^^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: use the left value directly: `**n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/lib.rs:359:9
[INFO] [stderr]     |
[INFO] [stderr] 359 |         assert_eq!(a, 1.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:359:9
[INFO] [stderr]     |
[INFO] [stderr] 359 |         assert_eq!(a, 1.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/lib.rs:361:9
[INFO] [stderr]     |
[INFO] [stderr] 361 |         assert_eq!(b, 2.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:361:9
[INFO] [stderr]     |
[INFO] [stderr] 361 |         assert_eq!(b, 2.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: in an 'if' condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a 'let'
[INFO] [stderr]    --> src/lib.rs:406:55
[INFO] [stderr]     |
[INFO] [stderr] 406 |           assert!(s.for_end_node("proposition", |mut s| {
[INFO] [stderr]     |  _______________________________________________________^
[INFO] [stderr] 407 | |             stderr_unwrap(text, s.node("proposition"));
[INFO] [stderr] 408 | |             assert_eq!(s.bool("val"), Ok(false));
[INFO] [stderr] 409 | |             stderr_unwrap(text, s.end_node("proposition"));
[INFO] [stderr] 410 | |             Ok(())
[INFO] [stderr] 411 | |         }).is_ok());
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::block_in_if_condition_stmt)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_stmt
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `piston_meta_search`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1815cd19d4cbbe64e10ec8f62fde5d7abc38c054b0a1594dd699029455fdd52c"`
[INFO] running `"docker" "rm" "-f" "1815cd19d4cbbe64e10ec8f62fde5d7abc38c054b0a1594dd699029455fdd52c"`
[INFO] [stdout] 1815cd19d4cbbe64e10ec8f62fde5d7abc38c054b0a1594dd699029455fdd52c