[INFO] updating cached repository iamwilhelm/ahayuta
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iamwilhelm/ahayuta
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iamwilhelm/ahayuta" "work/ex/clippy-test-run/sources/stable/gh/iamwilhelm/ahayuta"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/iamwilhelm/ahayuta'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iamwilhelm/ahayuta" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/iamwilhelm/ahayuta"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/iamwilhelm/ahayuta'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 16b0a5547771e22e7e61d982ef81c5e402152f1d
[INFO] sha for GitHub repo iamwilhelm/ahayuta: 16b0a5547771e22e7e61d982ef81c5e402152f1d
[INFO] validating manifest of iamwilhelm/ahayuta 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 iamwilhelm/ahayuta 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 iamwilhelm/ahayuta
[INFO] finished frobbing iamwilhelm/ahayuta
[INFO] frobbed toml for iamwilhelm/ahayuta written to work/ex/clippy-test-run/sources/stable/gh/iamwilhelm/ahayuta/Cargo.toml
[INFO] started frobbing iamwilhelm/ahayuta
[INFO] finished frobbing iamwilhelm/ahayuta
[INFO] frobbed toml for iamwilhelm/ahayuta written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/iamwilhelm/ahayuta/Cargo.toml
[INFO] crate iamwilhelm/ahayuta has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting iamwilhelm/ahayuta against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/iamwilhelm/ahayuta:/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 -Dclippy::into_iter_on_array" "-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] 5d89889582989687d15423895b3d19dc5521507c4f59ce87997bb239eca5d010
[INFO] running `"docker" "start" "-a" "5d89889582989687d15423895b3d19dc5521507c4f59ce87997bb239eca5d010"`
[INFO] [stderr]     Checking ahayuta v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/libfab/tree/node.rs:560:9
[INFO] [stderr]     |
[INFO] [stderr] 560 |         opcode: opcode,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `opcode`
[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/libfab/tree/node.rs:562:9
[INFO] [stderr]     |
[INFO] [stderr] 562 |         results: results,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `results`
[INFO] [stderr]     |
[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: using `println!("")`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/libfab/tree/node.rs:560:9
[INFO] [stderr]     |
[INFO] [stderr] 560 |         opcode: opcode,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `opcode`
[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/libfab/tree/node.rs:562:9
[INFO] [stderr]     |
[INFO] [stderr] 562 |         results: results,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `results`
[INFO] [stderr]     |
[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: using `println!("")`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/libfab/tree/node.rs:446:16
[INFO] [stderr]     |
[INFO] [stderr] 446 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 447 | |             if lhs.rank > rhs.rank {
[INFO] [stderr] 448 | |                 1 + lhs.rank
[INFO] [stderr] 449 | |             } else {
[INFO] [stderr] 450 | |                 1 + rhs.rank
[INFO] [stderr] 451 | |             }
[INFO] [stderr] 452 | |         },
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 446 |         } else if lhs.rank > rhs.rank {
[INFO] [stderr] 447 |     1 + lhs.rank
[INFO] [stderr] 448 | } else {
[INFO] [stderr] 449 |     1 + rhs.rank
[INFO] [stderr] 450 | },
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/libfab/tree/node.rs:446:16
[INFO] [stderr]     |
[INFO] [stderr] 446 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 447 | |             if lhs.rank > rhs.rank {
[INFO] [stderr] 448 | |                 1 + lhs.rank
[INFO] [stderr] 449 | |             } else {
[INFO] [stderr] 450 | |                 1 + rhs.rank
[INFO] [stderr] 451 | |             }
[INFO] [stderr] 452 | |         },
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 446 |         } else if lhs.rank > rhs.rank {
[INFO] [stderr] 447 |     1 + lhs.rank
[INFO] [stderr] 448 | } else {
[INFO] [stderr] 449 |     1 + rhs.rank
[INFO] [stderr] 450 | },
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `clone` on this type; consider implementing the `std::clone::Clone` trait or choosing a less ambiguous name
[INFO] [stderr]   --> src/libfab/tree/node.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | /     pub fn clone(&self) -> Opcode {
[INFO] [stderr] 53 | |         match *self {
[INFO] [stderr] 54 | |             Opcode::Add => Opcode::Add,
[INFO] [stderr] 55 | |             Opcode::Sub => Opcode::Sub,
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |         }
[INFO] [stderr] 80 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::should_implement_trait)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/libfab/tree/node.rs:96:20
[INFO] [stderr]    |
[INFO] [stderr] 96 |             lower: self.lower.clone(),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.lower`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/libfab/tree/node.rs:97:20
[INFO] [stderr]    |
[INFO] [stderr] 97 |             upper: self.upper.clone(),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.upper`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:112:16
[INFO] [stderr]     |
[INFO] [stderr] 112 |             f: self.f.clone(),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.f`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]    --> src/libfab/tree/node.rs:118:18
[INFO] [stderr]     |
[INFO] [stderr] 118 |         for i in 0..MIN_VOLUME {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: try replacing the loop by: `results.r[..MIN_VOLUME].clone_from_slice(&self.r[..MIN_VOLUME])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |     n.results.f = value.clone();
[INFO] [stderr]     |                   ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:128:37
[INFO] [stderr]     |
[INFO] [stderr] 128 |     n.results.i = Interval { lower: value.clone(), upper: value.clone() };
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:128:59
[INFO] [stderr]     |
[INFO] [stderr] 128 |     n.results.i = Interval { lower: value.clone(), upper: value.clone() };
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:131:26
[INFO] [stderr]     |
[INFO] [stderr] 131 |         n.results.r[q] = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `clone` on this type; consider implementing the `std::clone::Clone` trait or choosing a less ambiguous name
[INFO] [stderr]    --> src/libfab/tree/node.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 | /     pub fn clone(&self) -> Node {
[INFO] [stderr] 167 | |         let mut clone = Node {
[INFO] [stderr] 168 | |             opcode: self.opcode.clone(),
[INFO] [stderr] 169 | |             results: self.results.clone(),
[INFO] [stderr] ...   |
[INFO] [stderr] 194 | |         clone
[INFO] [stderr] 195 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:171:19
[INFO] [stderr]     |
[INFO] [stderr] 171 |             rank: self.rank.clone(),
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.rank`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:173:26
[INFO] [stderr]     |
[INFO] [stderr] 173 |             is_constant: self.is_constant.clone(),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.is_constant`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:174:25
[INFO] [stderr]     |
[INFO] [stderr] 174 |             is_ignored: self.is_ignored.clone(),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.is_ignored`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |             is_boolean: self.is_boolean.clone(),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.is_boolean`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:176:25
[INFO] [stderr]     |
[INFO] [stderr] 176 |             is_in_tree: self.is_in_tree.clone(),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.is_in_tree`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[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/libfab/tree/node.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 | /         match self.lhs {
[INFO] [stderr] 185 | |             Some(ref left) => clone.lhs = Option::Some(Box::new((*left).clone())),
[INFO] [stderr] 186 | |             _ => {},
[INFO] [stderr] 187 | |         };
[INFO] [stderr]     | |_________^ help: try this: `if let Some(ref left) = self.lhs { clone.lhs = Option::Some(Box::new((*left).clone())) }`
[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] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/libfab/tree/node.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 | /         match self.rhs {
[INFO] [stderr] 190 | |             Some(ref right) => clone.rhs = Option::Some(Box::new((*right).clone())),
[INFO] [stderr] 191 | |             _ => {},
[INFO] [stderr] 192 | |         };
[INFO] [stderr]     | |_________^ help: try this: `if let Some(ref right) = self.rhs { clone.rhs = Option::Some(Box::new((*right).clone())) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/libfab/tree/node.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 | /     pub fn print(&self) {
[INFO] [stderr] 198 | |         match self.opcode {
[INFO] [stderr] 199 | |             Opcode::Add => {
[INFO] [stderr] 200 | |                 print!("(");
[INFO] [stderr] ...   |
[INFO] [stderr] 426 | |         }
[INFO] [stderr] 427 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[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/libfab/tree/node.rs:201:17
[INFO] [stderr]     |
[INFO] [stderr] 201 | /                 match self.lhs {
[INFO] [stderr] 202 | |                     Some(ref node) => {
[INFO] [stderr] 203 | |                         node.print();
[INFO] [stderr] 204 | |                     },
[INFO] [stderr] 205 | |                     _ => { },
[INFO] [stderr] 206 | |                 }
[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] 201 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 202 |     node.print();
[INFO] [stderr] 203 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 | /                 match self.rhs {
[INFO] [stderr] 209 | |                     Some(ref node) => {
[INFO] [stderr] 210 | |                         node.print();
[INFO] [stderr] 211 | |                     },
[INFO] [stderr] 212 | |                     _ => { },
[INFO] [stderr] 213 | |                 }
[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] 208 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 209 |     node.print();
[INFO] [stderr] 210 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:218:17
[INFO] [stderr]     |
[INFO] [stderr] 218 | /                 match self.lhs {
[INFO] [stderr] 219 | |                     Some(ref node) => {
[INFO] [stderr] 220 | |                         node.print();
[INFO] [stderr] 221 | |                     },
[INFO] [stderr] 222 | |                     _ => { },
[INFO] [stderr] 223 | |                 }
[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] 218 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 219 |     node.print();
[INFO] [stderr] 220 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:225:17
[INFO] [stderr]     |
[INFO] [stderr] 225 | /                 match self.rhs {
[INFO] [stderr] 226 | |                     Some(ref node) => {
[INFO] [stderr] 227 | |                         node.print();
[INFO] [stderr] 228 | |                     },
[INFO] [stderr] 229 | |                     _ => { },
[INFO] [stderr] 230 | |                 }
[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] 225 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 226 |     node.print();
[INFO] [stderr] 227 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:235:17
[INFO] [stderr]     |
[INFO] [stderr] 235 | /                 match self.lhs {
[INFO] [stderr] 236 | |                     Some(ref node) => {
[INFO] [stderr] 237 | |                         node.print();
[INFO] [stderr] 238 | |                     },
[INFO] [stderr] 239 | |                     _ => { },
[INFO] [stderr] 240 | |                 }
[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] 235 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 236 |     node.print();
[INFO] [stderr] 237 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:242:17
[INFO] [stderr]     |
[INFO] [stderr] 242 | /                 match self.rhs {
[INFO] [stderr] 243 | |                     Some(ref node) => {
[INFO] [stderr] 244 | |                         node.print();
[INFO] [stderr] 245 | |                     },
[INFO] [stderr] 246 | |                     _ => { },
[INFO] [stderr] 247 | |                 }
[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] 242 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 243 |     node.print();
[INFO] [stderr] 244 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:252:17
[INFO] [stderr]     |
[INFO] [stderr] 252 | /                 match self.lhs {
[INFO] [stderr] 253 | |                     Some(ref node) => {
[INFO] [stderr] 254 | |                         node.print();
[INFO] [stderr] 255 | |                     },
[INFO] [stderr] 256 | |                     _ => { },
[INFO] [stderr] 257 | |                 }
[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] 252 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 253 |     node.print();
[INFO] [stderr] 254 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 | /                 match self.rhs {
[INFO] [stderr] 260 | |                     Some(ref node) => {
[INFO] [stderr] 261 | |                         node.print();
[INFO] [stderr] 262 | |                     },
[INFO] [stderr] 263 | |                     _ => { },
[INFO] [stderr] 264 | |                 }
[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] 259 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 260 |     node.print();
[INFO] [stderr] 261 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 | /                 match self.lhs {
[INFO] [stderr] 270 | |                     Some(ref node) => {
[INFO] [stderr] 271 | |                         node.print();
[INFO] [stderr] 272 | |                     },
[INFO] [stderr] 273 | |                     _ => { },
[INFO] [stderr] 274 | |                 }
[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] 269 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 270 |     node.print();
[INFO] [stderr] 271 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:276:17
[INFO] [stderr]     |
[INFO] [stderr] 276 | /                 match self.rhs {
[INFO] [stderr] 277 | |                     Some(ref node) => {
[INFO] [stderr] 278 | |                         node.print();
[INFO] [stderr] 279 | |                     },
[INFO] [stderr] 280 | |                     _ => { },
[INFO] [stderr] 281 | |                 }
[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] 276 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 277 |     node.print();
[INFO] [stderr] 278 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:286:17
[INFO] [stderr]     |
[INFO] [stderr] 286 | /                 match self.lhs {
[INFO] [stderr] 287 | |                     Some(ref node) => {
[INFO] [stderr] 288 | |                         node.print();
[INFO] [stderr] 289 | |                     },
[INFO] [stderr] 290 | |                     _ => { },
[INFO] [stderr] 291 | |                 }
[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] 286 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 287 |     node.print();
[INFO] [stderr] 288 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:293:17
[INFO] [stderr]     |
[INFO] [stderr] 293 | /                 match self.rhs {
[INFO] [stderr] 294 | |                     Some(ref node) => {
[INFO] [stderr] 295 | |                         node.print();
[INFO] [stderr] 296 | |                     },
[INFO] [stderr] 297 | |                     _ => { },
[INFO] [stderr] 298 | |                 }
[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] 293 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 294 |     node.print();
[INFO] [stderr] 295 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:303:17
[INFO] [stderr]     |
[INFO] [stderr] 303 | /                 match self.lhs {
[INFO] [stderr] 304 | |                     Some(ref node) => {
[INFO] [stderr] 305 | |                         node.print();
[INFO] [stderr] 306 | |                     },
[INFO] [stderr] 307 | |                     _ => { },
[INFO] [stderr] 308 | |                 }
[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] 303 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 304 |     node.print();
[INFO] [stderr] 305 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:310:17
[INFO] [stderr]     |
[INFO] [stderr] 310 | /                 match self.rhs {
[INFO] [stderr] 311 | |                     Some(ref node) => {
[INFO] [stderr] 312 | |                         node.print();
[INFO] [stderr] 313 | |                     },
[INFO] [stderr] 314 | |                     _ => { },
[INFO] [stderr] 315 | |                 }
[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] 310 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 311 |     node.print();
[INFO] [stderr] 312 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:320:17
[INFO] [stderr]     |
[INFO] [stderr] 320 | /                 match self.lhs {
[INFO] [stderr] 321 | |                     Some(ref node) => {
[INFO] [stderr] 322 | |                         print!("abs(");
[INFO] [stderr] 323 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 326 | |                     _ => { },
[INFO] [stderr] 327 | |                 }
[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] 320 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 321 |     print!("abs(");
[INFO] [stderr] 322 |     node.print();
[INFO] [stderr] 323 |     print!(")");
[INFO] [stderr] 324 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:330:17
[INFO] [stderr]     |
[INFO] [stderr] 330 | /                 match self.lhs {
[INFO] [stderr] 331 | |                     Some(ref node) => {
[INFO] [stderr] 332 | |                         print!("square(");
[INFO] [stderr] 333 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 336 | |                     _ => { },
[INFO] [stderr] 337 | |                 }
[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] 330 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 331 |     print!("square(");
[INFO] [stderr] 332 |     node.print();
[INFO] [stderr] 333 |     print!(")");
[INFO] [stderr] 334 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:340:17
[INFO] [stderr]     |
[INFO] [stderr] 340 | /                 match self.lhs {
[INFO] [stderr] 341 | |                     Some(ref node) => {
[INFO] [stderr] 342 | |                         print!("sqrt(");
[INFO] [stderr] 343 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 346 | |                     _ => { },
[INFO] [stderr] 347 | |                 }
[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] 340 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 341 |     print!("sqrt(");
[INFO] [stderr] 342 |     node.print();
[INFO] [stderr] 343 |     print!(")");
[INFO] [stderr] 344 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:350:17
[INFO] [stderr]     |
[INFO] [stderr] 350 | /                 match self.lhs {
[INFO] [stderr] 351 | |                     Some(ref node) => {
[INFO] [stderr] 352 | |                         print!("sin(");
[INFO] [stderr] 353 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 356 | |                     _ => { },
[INFO] [stderr] 357 | |                 }
[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] 350 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 351 |     print!("sin(");
[INFO] [stderr] 352 |     node.print();
[INFO] [stderr] 353 |     print!(")");
[INFO] [stderr] 354 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:360:17
[INFO] [stderr]     |
[INFO] [stderr] 360 | /                 match self.lhs {
[INFO] [stderr] 361 | |                     Some(ref node) => {
[INFO] [stderr] 362 | |                         print!("cos(");
[INFO] [stderr] 363 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 366 | |                     _ => { },
[INFO] [stderr] 367 | |                 }
[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] 360 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 361 |     print!("cos(");
[INFO] [stderr] 362 |     node.print();
[INFO] [stderr] 363 |     print!(")");
[INFO] [stderr] 364 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:370:17
[INFO] [stderr]     |
[INFO] [stderr] 370 | /                 match self.lhs {
[INFO] [stderr] 371 | |                     Some(ref node) => {
[INFO] [stderr] 372 | |                         print!("tan(");
[INFO] [stderr] 373 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 376 | |                     _ => { },
[INFO] [stderr] 377 | |                 }
[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] 370 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 371 |     print!("tan(");
[INFO] [stderr] 372 |     node.print();
[INFO] [stderr] 373 |     print!(")");
[INFO] [stderr] 374 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 | /                 match self.lhs {
[INFO] [stderr] 381 | |                     Some(ref node) => {
[INFO] [stderr] 382 | |                         print!("arcsin(");
[INFO] [stderr] 383 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 386 | |                     _ => { },
[INFO] [stderr] 387 | |                 }
[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] 380 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 381 |     print!("arcsin(");
[INFO] [stderr] 382 |     node.print();
[INFO] [stderr] 383 |     print!(")");
[INFO] [stderr] 384 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:390:17
[INFO] [stderr]     |
[INFO] [stderr] 390 | /                 match self.lhs {
[INFO] [stderr] 391 | |                     Some(ref node) => {
[INFO] [stderr] 392 | |                         print!("arccos(");
[INFO] [stderr] 393 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 396 | |                     _ => { },
[INFO] [stderr] 397 | |                 }
[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] 390 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 391 |     print!("arccos(");
[INFO] [stderr] 392 |     node.print();
[INFO] [stderr] 393 |     print!(")");
[INFO] [stderr] 394 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:400:17
[INFO] [stderr]     |
[INFO] [stderr] 400 | /                 match self.lhs {
[INFO] [stderr] 401 | |                     Some(ref node) => {
[INFO] [stderr] 402 | |                         print!("arctan(");
[INFO] [stderr] 403 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 406 | |                     _ => { },
[INFO] [stderr] 407 | |                 }
[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] 400 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 401 |     print!("arctan(");
[INFO] [stderr] 402 |     node.print();
[INFO] [stderr] 403 |     print!(")");
[INFO] [stderr] 404 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:410:17
[INFO] [stderr]     |
[INFO] [stderr] 410 | /                 match self.lhs {
[INFO] [stderr] 411 | |                     Some(ref node) => {
[INFO] [stderr] 412 | |                         print!("-");
[INFO] [stderr] 413 | |                         node.print();
[INFO] [stderr] 414 | |                     },
[INFO] [stderr] 415 | |                     _ => { },
[INFO] [stderr] 416 | |                 }
[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] 410 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 411 |     print!("-");
[INFO] [stderr] 412 |     node.print();
[INFO] [stderr] 413 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:454:22
[INFO] [stderr]     |
[INFO] [stderr] 454 |         is_constant: is_const.clone(),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `is_const`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:510:22
[INFO] [stderr]     |
[INFO] [stderr] 510 |         is_constant: arg.is_constant.clone(),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `arg.is_constant`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `clone` on this type; consider implementing the `std::clone::Clone` trait or choosing a less ambiguous name
[INFO] [stderr]   --> src/libfab/tree/node.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | /     pub fn clone(&self) -> Opcode {
[INFO] [stderr] 53 | |         match *self {
[INFO] [stderr] 54 | |             Opcode::Add => Opcode::Add,
[INFO] [stderr] 55 | |             Opcode::Sub => Opcode::Sub,
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |         }
[INFO] [stderr] 80 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::should_implement_trait)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/libfab/tree/node.rs:96:20
[INFO] [stderr]    |
[INFO] [stderr] 96 |             lower: self.lower.clone(),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.lower`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/libfab/tree/node.rs:97:20
[INFO] [stderr]    |
[INFO] [stderr] 97 |             upper: self.upper.clone(),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.upper`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:112:16
[INFO] [stderr]     |
[INFO] [stderr] 112 |             f: self.f.clone(),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.f`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]    --> src/libfab/tree/node.rs:118:18
[INFO] [stderr]     |
[INFO] [stderr] 118 |         for i in 0..MIN_VOLUME {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: try replacing the loop by: `results.r[..MIN_VOLUME].clone_from_slice(&self.r[..MIN_VOLUME])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |     n.results.f = value.clone();
[INFO] [stderr]     |                   ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:128:37
[INFO] [stderr]     |
[INFO] [stderr] 128 |     n.results.i = Interval { lower: value.clone(), upper: value.clone() };
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:128:59
[INFO] [stderr]     |
[INFO] [stderr] 128 |     n.results.i = Interval { lower: value.clone(), upper: value.clone() };
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:131:26
[INFO] [stderr]     |
[INFO] [stderr] 131 |         n.results.r[q] = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `clone` on this type; consider implementing the `std::clone::Clone` trait or choosing a less ambiguous name
[INFO] [stderr]    --> src/libfab/tree/node.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 | /     pub fn clone(&self) -> Node {
[INFO] [stderr] 167 | |         let mut clone = Node {
[INFO] [stderr] 168 | |             opcode: self.opcode.clone(),
[INFO] [stderr] 169 | |             results: self.results.clone(),
[INFO] [stderr] ...   |
[INFO] [stderr] 194 | |         clone
[INFO] [stderr] 195 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:171:19
[INFO] [stderr]     |
[INFO] [stderr] 171 |             rank: self.rank.clone(),
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.rank`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:173:26
[INFO] [stderr]     |
[INFO] [stderr] 173 |             is_constant: self.is_constant.clone(),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.is_constant`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:174:25
[INFO] [stderr]     |
[INFO] [stderr] 174 |             is_ignored: self.is_ignored.clone(),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.is_ignored`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |             is_boolean: self.is_boolean.clone(),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.is_boolean`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:176:25
[INFO] [stderr]     |
[INFO] [stderr] 176 |             is_in_tree: self.is_in_tree.clone(),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.is_in_tree`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[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/libfab/tree/node.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 | /         match self.lhs {
[INFO] [stderr] 185 | |             Some(ref left) => clone.lhs = Option::Some(Box::new((*left).clone())),
[INFO] [stderr] 186 | |             _ => {},
[INFO] [stderr] 187 | |         };
[INFO] [stderr]     | |_________^ help: try this: `if let Some(ref left) = self.lhs { clone.lhs = Option::Some(Box::new((*left).clone())) }`
[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] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/libfab/tree/node.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 | /         match self.rhs {
[INFO] [stderr] 190 | |             Some(ref right) => clone.rhs = Option::Some(Box::new((*right).clone())),
[INFO] [stderr] 191 | |             _ => {},
[INFO] [stderr] 192 | |         };
[INFO] [stderr]     | |_________^ help: try this: `if let Some(ref right) = self.rhs { clone.rhs = Option::Some(Box::new((*right).clone())) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/libfab/tree/node.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 | /     pub fn print(&self) {
[INFO] [stderr] 198 | |         match self.opcode {
[INFO] [stderr] 199 | |             Opcode::Add => {
[INFO] [stderr] 200 | |                 print!("(");
[INFO] [stderr] ...   |
[INFO] [stderr] 426 | |         }
[INFO] [stderr] 427 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[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/libfab/tree/node.rs:201:17
[INFO] [stderr]     |
[INFO] [stderr] 201 | /                 match self.lhs {
[INFO] [stderr] 202 | |                     Some(ref node) => {
[INFO] [stderr] 203 | |                         node.print();
[INFO] [stderr] 204 | |                     },
[INFO] [stderr] 205 | |                     _ => { },
[INFO] [stderr] 206 | |                 }
[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] 201 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 202 |     node.print();
[INFO] [stderr] 203 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 | /                 match self.rhs {
[INFO] [stderr] 209 | |                     Some(ref node) => {
[INFO] [stderr] 210 | |                         node.print();
[INFO] [stderr] 211 | |                     },
[INFO] [stderr] 212 | |                     _ => { },
[INFO] [stderr] 213 | |                 }
[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] 208 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 209 |     node.print();
[INFO] [stderr] 210 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:218:17
[INFO] [stderr]     |
[INFO] [stderr] 218 | /                 match self.lhs {
[INFO] [stderr] 219 | |                     Some(ref node) => {
[INFO] [stderr] 220 | |                         node.print();
[INFO] [stderr] 221 | |                     },
[INFO] [stderr] 222 | |                     _ => { },
[INFO] [stderr] 223 | |                 }
[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] 218 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 219 |     node.print();
[INFO] [stderr] 220 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:225:17
[INFO] [stderr]     |
[INFO] [stderr] 225 | /                 match self.rhs {
[INFO] [stderr] 226 | |                     Some(ref node) => {
[INFO] [stderr] 227 | |                         node.print();
[INFO] [stderr] 228 | |                     },
[INFO] [stderr] 229 | |                     _ => { },
[INFO] [stderr] 230 | |                 }
[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] 225 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 226 |     node.print();
[INFO] [stderr] 227 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:235:17
[INFO] [stderr]     |
[INFO] [stderr] 235 | /                 match self.lhs {
[INFO] [stderr] 236 | |                     Some(ref node) => {
[INFO] [stderr] 237 | |                         node.print();
[INFO] [stderr] 238 | |                     },
[INFO] [stderr] 239 | |                     _ => { },
[INFO] [stderr] 240 | |                 }
[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] 235 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 236 |     node.print();
[INFO] [stderr] 237 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:242:17
[INFO] [stderr]     |
[INFO] [stderr] 242 | /                 match self.rhs {
[INFO] [stderr] 243 | |                     Some(ref node) => {
[INFO] [stderr] 244 | |                         node.print();
[INFO] [stderr] 245 | |                     },
[INFO] [stderr] 246 | |                     _ => { },
[INFO] [stderr] 247 | |                 }
[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] 242 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 243 |     node.print();
[INFO] [stderr] 244 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:252:17
[INFO] [stderr]     |
[INFO] [stderr] 252 | /                 match self.lhs {
[INFO] [stderr] 253 | |                     Some(ref node) => {
[INFO] [stderr] 254 | |                         node.print();
[INFO] [stderr] 255 | |                     },
[INFO] [stderr] 256 | |                     _ => { },
[INFO] [stderr] 257 | |                 }
[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] 252 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 253 |     node.print();
[INFO] [stderr] 254 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 | /                 match self.rhs {
[INFO] [stderr] 260 | |                     Some(ref node) => {
[INFO] [stderr] 261 | |                         node.print();
[INFO] [stderr] 262 | |                     },
[INFO] [stderr] 263 | |                     _ => { },
[INFO] [stderr] 264 | |                 }
[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] 259 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 260 |     node.print();
[INFO] [stderr] 261 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 | /                 match self.lhs {
[INFO] [stderr] 270 | |                     Some(ref node) => {
[INFO] [stderr] 271 | |                         node.print();
[INFO] [stderr] 272 | |                     },
[INFO] [stderr] 273 | |                     _ => { },
[INFO] [stderr] 274 | |                 }
[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] 269 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 270 |     node.print();
[INFO] [stderr] 271 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:276:17
[INFO] [stderr]     |
[INFO] [stderr] 276 | /                 match self.rhs {
[INFO] [stderr] 277 | |                     Some(ref node) => {
[INFO] [stderr] 278 | |                         node.print();
[INFO] [stderr] 279 | |                     },
[INFO] [stderr] 280 | |                     _ => { },
[INFO] [stderr] 281 | |                 }
[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] 276 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 277 |     node.print();
[INFO] [stderr] 278 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:286:17
[INFO] [stderr]     |
[INFO] [stderr] 286 | /                 match self.lhs {
[INFO] [stderr] 287 | |                     Some(ref node) => {
[INFO] [stderr] 288 | |                         node.print();
[INFO] [stderr] 289 | |                     },
[INFO] [stderr] 290 | |                     _ => { },
[INFO] [stderr] 291 | |                 }
[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] 286 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 287 |     node.print();
[INFO] [stderr] 288 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:293:17
[INFO] [stderr]     |
[INFO] [stderr] 293 | /                 match self.rhs {
[INFO] [stderr] 294 | |                     Some(ref node) => {
[INFO] [stderr] 295 | |                         node.print();
[INFO] [stderr] 296 | |                     },
[INFO] [stderr] 297 | |                     _ => { },
[INFO] [stderr] 298 | |                 }
[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] 293 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 294 |     node.print();
[INFO] [stderr] 295 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:303:17
[INFO] [stderr]     |
[INFO] [stderr] 303 | /                 match self.lhs {
[INFO] [stderr] 304 | |                     Some(ref node) => {
[INFO] [stderr] 305 | |                         node.print();
[INFO] [stderr] 306 | |                     },
[INFO] [stderr] 307 | |                     _ => { },
[INFO] [stderr] 308 | |                 }
[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] 303 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 304 |     node.print();
[INFO] [stderr] 305 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:310:17
[INFO] [stderr]     |
[INFO] [stderr] 310 | /                 match self.rhs {
[INFO] [stderr] 311 | |                     Some(ref node) => {
[INFO] [stderr] 312 | |                         node.print();
[INFO] [stderr] 313 | |                     },
[INFO] [stderr] 314 | |                     _ => { },
[INFO] [stderr] 315 | |                 }
[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] 310 |                 if let Some(ref node) = self.rhs {
[INFO] [stderr] 311 |     node.print();
[INFO] [stderr] 312 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:320:17
[INFO] [stderr]     |
[INFO] [stderr] 320 | /                 match self.lhs {
[INFO] [stderr] 321 | |                     Some(ref node) => {
[INFO] [stderr] 322 | |                         print!("abs(");
[INFO] [stderr] 323 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 326 | |                     _ => { },
[INFO] [stderr] 327 | |                 }
[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] 320 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 321 |     print!("abs(");
[INFO] [stderr] 322 |     node.print();
[INFO] [stderr] 323 |     print!(")");
[INFO] [stderr] 324 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:330:17
[INFO] [stderr]     |
[INFO] [stderr] 330 | /                 match self.lhs {
[INFO] [stderr] 331 | |                     Some(ref node) => {
[INFO] [stderr] 332 | |                         print!("square(");
[INFO] [stderr] 333 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 336 | |                     _ => { },
[INFO] [stderr] 337 | |                 }
[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] 330 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 331 |     print!("square(");
[INFO] [stderr] 332 |     node.print();
[INFO] [stderr] 333 |     print!(")");
[INFO] [stderr] 334 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:340:17
[INFO] [stderr]     |
[INFO] [stderr] 340 | /                 match self.lhs {
[INFO] [stderr] 341 | |                     Some(ref node) => {
[INFO] [stderr] 342 | |                         print!("sqrt(");
[INFO] [stderr] 343 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 346 | |                     _ => { },
[INFO] [stderr] 347 | |                 }
[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] 340 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 341 |     print!("sqrt(");
[INFO] [stderr] 342 |     node.print();
[INFO] [stderr] 343 |     print!(")");
[INFO] [stderr] 344 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:350:17
[INFO] [stderr]     |
[INFO] [stderr] 350 | /                 match self.lhs {
[INFO] [stderr] 351 | |                     Some(ref node) => {
[INFO] [stderr] 352 | |                         print!("sin(");
[INFO] [stderr] 353 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 356 | |                     _ => { },
[INFO] [stderr] 357 | |                 }
[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] 350 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 351 |     print!("sin(");
[INFO] [stderr] 352 |     node.print();
[INFO] [stderr] 353 |     print!(")");
[INFO] [stderr] 354 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:360:17
[INFO] [stderr]     |
[INFO] [stderr] 360 | /                 match self.lhs {
[INFO] [stderr] 361 | |                     Some(ref node) => {
[INFO] [stderr] 362 | |                         print!("cos(");
[INFO] [stderr] 363 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 366 | |                     _ => { },
[INFO] [stderr] 367 | |                 }
[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] 360 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 361 |     print!("cos(");
[INFO] [stderr] 362 |     node.print();
[INFO] [stderr] 363 |     print!(")");
[INFO] [stderr] 364 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:370:17
[INFO] [stderr]     |
[INFO] [stderr] 370 | /                 match self.lhs {
[INFO] [stderr] 371 | |                     Some(ref node) => {
[INFO] [stderr] 372 | |                         print!("tan(");
[INFO] [stderr] 373 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 376 | |                     _ => { },
[INFO] [stderr] 377 | |                 }
[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] 370 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 371 |     print!("tan(");
[INFO] [stderr] 372 |     node.print();
[INFO] [stderr] 373 |     print!(")");
[INFO] [stderr] 374 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 | /                 match self.lhs {
[INFO] [stderr] 381 | |                     Some(ref node) => {
[INFO] [stderr] 382 | |                         print!("arcsin(");
[INFO] [stderr] 383 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 386 | |                     _ => { },
[INFO] [stderr] 387 | |                 }
[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] 380 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 381 |     print!("arcsin(");
[INFO] [stderr] 382 |     node.print();
[INFO] [stderr] 383 |     print!(")");
[INFO] [stderr] 384 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:390:17
[INFO] [stderr]     |
[INFO] [stderr] 390 | /                 match self.lhs {
[INFO] [stderr] 391 | |                     Some(ref node) => {
[INFO] [stderr] 392 | |                         print!("arccos(");
[INFO] [stderr] 393 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 396 | |                     _ => { },
[INFO] [stderr] 397 | |                 }
[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] 390 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 391 |     print!("arccos(");
[INFO] [stderr] 392 |     node.print();
[INFO] [stderr] 393 |     print!(")");
[INFO] [stderr] 394 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:400:17
[INFO] [stderr]     |
[INFO] [stderr] 400 | /                 match self.lhs {
[INFO] [stderr] 401 | |                     Some(ref node) => {
[INFO] [stderr] 402 | |                         print!("arctan(");
[INFO] [stderr] 403 | |                         node.print();
[INFO] [stderr] ...   |
[INFO] [stderr] 406 | |                     _ => { },
[INFO] [stderr] 407 | |                 }
[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] 400 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 401 |     print!("arctan(");
[INFO] [stderr] 402 |     node.print();
[INFO] [stderr] 403 |     print!(")");
[INFO] [stderr] 404 | }
[INFO] [stderr]     |
[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/libfab/tree/node.rs:410:17
[INFO] [stderr]     |
[INFO] [stderr] 410 | /                 match self.lhs {
[INFO] [stderr] 411 | |                     Some(ref node) => {
[INFO] [stderr] 412 | |                         print!("-");
[INFO] [stderr] 413 | |                         node.print();
[INFO] [stderr] 414 | |                     },
[INFO] [stderr] 415 | |                     _ => { },
[INFO] [stderr] 416 | |                 }
[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] 410 |                 if let Some(ref node) = self.lhs {
[INFO] [stderr] 411 |     print!("-");
[INFO] [stderr] 412 |     node.print();
[INFO] [stderr] 413 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:454:22
[INFO] [stderr]     |
[INFO] [stderr] 454 |         is_constant: is_const.clone(),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `is_const`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/libfab/tree/node.rs:510:22
[INFO] [stderr]     |
[INFO] [stderr] 510 |         is_constant: arg.is_constant.clone(),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `arg.is_constant`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "5d89889582989687d15423895b3d19dc5521507c4f59ce87997bb239eca5d010"`
[INFO] running `"docker" "rm" "-f" "5d89889582989687d15423895b3d19dc5521507c4f59ce87997bb239eca5d010"`
[INFO] [stdout] 5d89889582989687d15423895b3d19dc5521507c4f59ce87997bb239eca5d010