[INFO] crate cassowary 0.3.0 is already in cache
[INFO] extracting crate cassowary 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/cassowary/0.3.0
[INFO] extracting crate cassowary 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cassowary/0.3.0
[INFO] validating manifest of cassowary-0.3.0 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 cassowary-0.3.0 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 cassowary-0.3.0
[INFO] finished frobbing cassowary-0.3.0
[INFO] frobbed toml for cassowary-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/cassowary/0.3.0/Cargo.toml
[INFO] started frobbing cassowary-0.3.0
[INFO] finished frobbing cassowary-0.3.0
[INFO] frobbed toml for cassowary-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cassowary/0.3.0/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 cassowary-0.3.0 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-5/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/reg/cassowary/0.3.0:/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 -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] 367ba8baaf8a0a0d08653df5bb391a2dd2ad3d598bc3e885d8d9ad19032841d4
[INFO] running `"docker" "start" "-a" "367ba8baaf8a0a0d08653df5bb391a2dd2ad3d598bc3e885d8d9ad19032841d4"`
[INFO] [stderr]     Checking cassowary v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:262:13
[INFO] [stderr]     |
[INFO] [stderr] 262 |             variable: variable,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `variable`
[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:263:13
[INFO] [stderr]     |
[INFO] [stderr] 263 |             coefficient: coefficient
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `coefficient`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:295:13
[INFO] [stderr]     |
[INFO] [stderr] 295 |             terms: terms,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `terms`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:296:13
[INFO] [stderr]     |
[INFO] [stderr] 296 |             constant: constant
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `constant`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:404:13
[INFO] [stderr]     |
[INFO] [stderr] 404 |             op: op,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `op`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:405:13
[INFO] [stderr]     |
[INFO] [stderr] 405 |             strength: strength
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `strength`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:499:13
[INFO] [stderr]     |
[INFO] [stderr] 499 |             constant: constant
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `constant`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:262:13
[INFO] [stderr]     |
[INFO] [stderr] 262 |             variable: variable,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `variable`
[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:263:13
[INFO] [stderr]     |
[INFO] [stderr] 263 |             coefficient: coefficient
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `coefficient`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:295:13
[INFO] [stderr]     |
[INFO] [stderr] 295 |             terms: terms,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `terms`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:296:13
[INFO] [stderr]     |
[INFO] [stderr] 296 |             constant: constant
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `constant`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:404:13
[INFO] [stderr]     |
[INFO] [stderr] 404 |             op: op,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `op`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:405:13
[INFO] [stderr]     |
[INFO] [stderr] 405 |             strength: strength
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `strength`
[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: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:499:13
[INFO] [stderr]     |
[INFO] [stderr] 499 |             constant: constant
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `constant`
[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: unneeded return statement
[INFO] [stderr]    --> src/solver_impl.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/solver_impl.rs:471:9
[INFO] [stderr]     |
[INFO] [stderr] 471 | /         if tag.marker.type_() == SymbolType::Slack || tag.marker.type_() == SymbolType::Error {
[INFO] [stderr] 472 | |             if row.coefficient_for(tag.marker) < 0.0 {
[INFO] [stderr] 473 | |                 return tag.marker;
[INFO] [stderr] 474 | |             }
[INFO] [stderr] 475 | |         }
[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] 471 |         if (tag.marker.type_() == SymbolType::Slack || tag.marker.type_() == SymbolType::Error) && row.coefficient_for(tag.marker) < 0.0 {
[INFO] [stderr] 472 |     return tag.marker;
[INFO] [stderr] 473 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/solver_impl.rs:476:9
[INFO] [stderr]     |
[INFO] [stderr] 476 | /         if tag.other.type_() == SymbolType::Slack || tag.other.type_() == SymbolType::Error {
[INFO] [stderr] 477 | |             if row.coefficient_for(tag.other) < 0.0 {
[INFO] [stderr] 478 | |                 return tag.other;
[INFO] [stderr] 479 | |             }
[INFO] [stderr] 480 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 476 |         if (tag.other.type_() == SymbolType::Slack || tag.other.type_() == SymbolType::Error) && row.coefficient_for(tag.other) < 0.0 {
[INFO] [stderr] 477 |     return tag.other;
[INFO] [stderr] 478 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/solver_impl.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/solver_impl.rs:471:9
[INFO] [stderr]     |
[INFO] [stderr] 471 | /         if tag.marker.type_() == SymbolType::Slack || tag.marker.type_() == SymbolType::Error {
[INFO] [stderr] 472 | |             if row.coefficient_for(tag.marker) < 0.0 {
[INFO] [stderr] 473 | |                 return tag.marker;
[INFO] [stderr] 474 | |             }
[INFO] [stderr] 475 | |         }
[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] 471 |         if (tag.marker.type_() == SymbolType::Slack || tag.marker.type_() == SymbolType::Error) && row.coefficient_for(tag.marker) < 0.0 {
[INFO] [stderr] 472 |     return tag.marker;
[INFO] [stderr] 473 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/solver_impl.rs:476:9
[INFO] [stderr]     |
[INFO] [stderr] 476 | /         if tag.other.type_() == SymbolType::Slack || tag.other.type_() == SymbolType::Error {
[INFO] [stderr] 477 | |             if row.coefficient_for(tag.other) < 0.0 {
[INFO] [stderr] 478 | |                 return tag.other;
[INFO] [stderr] 479 | |             }
[INFO] [stderr] 480 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 476 |         if (tag.other.type_() == SymbolType::Slack || tag.other.type_() == SymbolType::Error) && row.coefficient_for(tag.other) < 0.0 {
[INFO] [stderr] 477 |     return tag.other;
[INFO] [stderr] 478 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `solver_impl::Solver`
[INFO] [stderr]   --> src/solver_impl.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     pub fn new() -> Solver {
[INFO] [stderr] 56 | |         Solver {
[INFO] [stderr] 57 | |             cns: HashMap::new(),
[INFO] [stderr] 58 | |             var_data: HashMap::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |         }
[INFO] [stderr] 70 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 53 | impl Default for solver_impl::Solver {
[INFO] [stderr] 54 |     fn default() -> Self {
[INFO] [stderr] 55 |         Self::new()
[INFO] [stderr] 56 |     }
[INFO] [stderr] 57 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stderr]    --> src/solver_impl.rs:150:16
[INFO] [stderr]     |
[INFO] [stderr] 150 |           if let None = self.rows.remove(&tag.marker) {
[INFO] [stderr]     |  _________-      ^^^^
[INFO] [stderr] 151 | |             let (leaving, mut row) = try!(self.get_marker_leaving_row(tag.marker)
[INFO] [stderr] 152 | |                                      .ok_or(
[INFO] [stderr] 153 | |                                          RemoveConstraintError::InternalSolverError(
[INFO] [stderr] ...   |
[INFO] [stderr] 156 | |             self.substitute(tag.marker, &row);
[INFO] [stderr] 157 | |         }
[INFO] [stderr]     | |_________- help: try this: `if self.rows.remove(&tag.marker).is_none()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/solver_impl.rs:200:66
[INFO] [stderr]     |
[INFO] [stderr] 200 |         let cn = Constraint::new(Expression::from_term(Term::new(v.clone(), 1.0)),
[INFO] [stderr]     |                                                                  ^^^^^^^^^ help: try removing the `clone` call: `v`
[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/solver_impl.rs:204:27
[INFO] [stderr]     |
[INFO] [stderr] 204 |         self.edits.insert(v.clone(), EditInfo {
[INFO] [stderr]     |                           ^^^^^^^^^ help: try removing the `clone` call: `v`
[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/solver_impl.rs:205:18
[INFO] [stderr]     |
[INFO] [stderr] 205 |             tag: self.cns[&cn].clone(),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.cns[&cn]`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/solver_impl.rs:229:40
[INFO] [stderr]     |
[INFO] [stderr] 229 |     pub fn has_edit_variable(&self, v: &Variable) -> bool {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: consider passing by value instead: `Variable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]    --> src/solver_impl.rs:262:13
[INFO] [stderr]     |
[INFO] [stderr] 262 | /             {
[INFO] [stderr] 263 | | 
[INFO] [stderr] 264 | |             } else {
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]    --> src/solver_impl.rs:255:13
[INFO] [stderr]     |
[INFO] [stderr] 255 | /             {
[INFO] [stderr] 256 | | 
[INFO] [stderr] 257 | |             } else if self.rows.get_mut(&info_tag_other)
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/solver_impl.rs:314:20
[INFO] [stderr]     |
[INFO] [stderr] 314 |                 if old_value != new_value {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(old_value - new_value).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/solver_impl.rs:314:20
[INFO] [stderr]     |
[INFO] [stderr] 314 |                 if old_value != new_value {
[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: you seem to want to iterate on a map's values
[INFO] [stderr]    --> src/solver_impl.rs:517:25
[INFO] [stderr]     |
[INFO] [stderr] 517 |         for (_, row) in &mut self.rows {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::for_kv_map)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]     |
[INFO] [stderr] 517 |         for row in self.rows.values_mut() {
[INFO] [stderr]     |             ^^^    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `solver_impl::Solver`
[INFO] [stderr]   --> src/solver_impl.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     pub fn new() -> Solver {
[INFO] [stderr] 56 | |         Solver {
[INFO] [stderr] 57 | |             cns: HashMap::new(),
[INFO] [stderr] 58 | |             var_data: HashMap::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |         }
[INFO] [stderr] 70 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 53 | impl Default for solver_impl::Solver {
[INFO] [stderr] 54 |     fn default() -> Self {
[INFO] [stderr] 55 |         Self::new()
[INFO] [stderr] 56 |     }
[INFO] [stderr] 57 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/operators.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         (self as f64).bitor(r)
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/operators.rs:40:27
[INFO] [stderr]    |
[INFO] [stderr] 40 |         PartialConstraint(self.into(), r)
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: consider removing `.into()`: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/operators.rs:54:20
[INFO] [stderr]    |
[INFO] [stderr] 54 |         self.bitor(rhs as f64)
[INFO] [stderr]    |                    ^^^^^^^^^^ help: try: `f64::from(rhs)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/operators.rs:91:18
[INFO] [stderr]    |
[INFO] [stderr] 91 |         self.add(v as f64)
[INFO] [stderr]    |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         (self as f64).add(v)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:163:18
[INFO] [stderr]     |
[INFO] [stderr] 163 |         self.sub(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stderr]    --> src/solver_impl.rs:150:16
[INFO] [stderr]     |
[INFO] [stderr] 150 |           if let None = self.rows.remove(&tag.marker) {
[INFO] [stderr]     |  _________-      ^^^^
[INFO] [stderr] 151 | |             let (leaving, mut row) = try!(self.get_marker_leaving_row(tag.marker)
[INFO] [stderr] 152 | |                                      .ok_or(
[INFO] [stderr] 153 | |                                          RemoveConstraintError::InternalSolverError(
[INFO] [stderr] ...   |
[INFO] [stderr] 156 | |             self.substitute(tag.marker, &row);
[INFO] [stderr] 157 | |         }
[INFO] [stderr]     | |_________- help: try this: `if self.rows.remove(&tag.marker).is_none()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |         (self as f64).sub(v)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/solver_impl.rs:200:66
[INFO] [stderr]     |
[INFO] [stderr] 200 |         let cn = Constraint::new(Expression::from_term(Term::new(v.clone(), 1.0)),
[INFO] [stderr]     |                                                                  ^^^^^^^^^ help: try removing the `clone` call: `v`
[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: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:229:18
[INFO] [stderr]     |
[INFO] [stderr] 229 |         self.mul(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/solver_impl.rs:204:27
[INFO] [stderr]     |
[INFO] [stderr] 204 |         self.edits.insert(v.clone(), EditInfo {
[INFO] [stderr]     |                           ^^^^^^^^^ help: try removing the `clone` call: `v`
[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/solver_impl.rs:205:18
[INFO] [stderr]     |
[INFO] [stderr] 205 |             tag: self.cns[&cn].clone(),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.cns[&cn]`
[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: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 |         (self as f64).mul(v)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:257:18
[INFO] [stderr]     |
[INFO] [stderr] 257 |         self.div(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:274:18
[INFO] [stderr]     |
[INFO] [stderr] 274 |         self.mul(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/solver_impl.rs:229:40
[INFO] [stderr]     |
[INFO] [stderr] 229 |     pub fn has_edit_variable(&self, v: &Variable) -> bool {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: consider passing by value instead: `Variable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:289:9
[INFO] [stderr]     |
[INFO] [stderr] 289 |         (self as f64).mul(t)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:304:18
[INFO] [stderr]     |
[INFO] [stderr] 304 |         self.div(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:318:18
[INFO] [stderr]     |
[INFO] [stderr] 318 |         self.add(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]    --> src/solver_impl.rs:262:13
[INFO] [stderr]     |
[INFO] [stderr] 262 | /             {
[INFO] [stderr] 263 | | 
[INFO] [stderr] 264 | |             } else {
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]    --> src/solver_impl.rs:255:13
[INFO] [stderr]     |
[INFO] [stderr] 255 | /             {
[INFO] [stderr] 256 | | 
[INFO] [stderr] 257 | |             } else if self.rows.get_mut(&info_tag_other)
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:332:9
[INFO] [stderr]     |
[INFO] [stderr] 332 |         (self as f64).add(t)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:377:18
[INFO] [stderr]     |
[INFO] [stderr] 377 |         self.sub(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:391:9
[INFO] [stderr]     |
[INFO] [stderr] 391 |         (self as f64).sub(t)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/solver_impl.rs:314:20
[INFO] [stderr]     |
[INFO] [stderr] 314 |                 if old_value != new_value {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(old_value - new_value).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/solver_impl.rs:314:20
[INFO] [stderr]     |
[INFO] [stderr] 314 |                 if old_value != new_value {
[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: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:435:18
[INFO] [stderr]     |
[INFO] [stderr] 435 |         self.mul(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:453:9
[INFO] [stderr]     |
[INFO] [stderr] 453 |         (self as f64).mul(e)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:471:18
[INFO] [stderr]     |
[INFO] [stderr] 471 |         self.div(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:486:18
[INFO] [stderr]     |
[INFO] [stderr] 486 |         self.add(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:501:9
[INFO] [stderr]     |
[INFO] [stderr] 501 |         (self as f64).add(e)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:533:18
[INFO] [stderr]     |
[INFO] [stderr] 533 |         self.sub(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:549:9
[INFO] [stderr]     |
[INFO] [stderr] 549 |         (self as f64).sub(e)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to want to iterate on a map's values
[INFO] [stderr]    --> src/solver_impl.rs:517:25
[INFO] [stderr]     |
[INFO] [stderr] 517 |         for (_, row) in &mut self.rows {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::for_kv_map)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]     |
[INFO] [stderr] 517 |         for row in self.rows.values_mut() {
[INFO] [stderr]     |             ^^^    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Variable`
[INFO] [stderr]    --> src/lib.rs:245:5
[INFO] [stderr]     |
[INFO] [stderr] 245 | /     pub fn new() -> Variable {
[INFO] [stderr] 246 | |         Variable(VARIABLE_ID.fetch_add(1, ::std::sync::atomic::Ordering::Relaxed))
[INFO] [stderr] 247 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 241 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/operators.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         (self as f64).bitor(r)
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/operators.rs:40:27
[INFO] [stderr]    |
[INFO] [stderr] 40 |         PartialConstraint(self.into(), r)
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: consider removing `.into()`: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/operators.rs:54:20
[INFO] [stderr]    |
[INFO] [stderr] 54 |         self.bitor(rhs as f64)
[INFO] [stderr]    |                    ^^^^^^^^^^ help: try: `f64::from(rhs)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/operators.rs:91:18
[INFO] [stderr]    |
[INFO] [stderr] 91 |         self.add(v as f64)
[INFO] [stderr]    |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         (self as f64).add(v)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:163:18
[INFO] [stderr]     |
[INFO] [stderr] 163 |         self.sub(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |         (self as f64).sub(v)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:229:18
[INFO] [stderr]     |
[INFO] [stderr] 229 |         self.mul(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 |         (self as f64).mul(v)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:257:18
[INFO] [stderr]     |
[INFO] [stderr] 257 |         self.div(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:274:18
[INFO] [stderr]     |
[INFO] [stderr] 274 |         self.mul(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:289:9
[INFO] [stderr]     |
[INFO] [stderr] 289 |         (self as f64).mul(t)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:304:18
[INFO] [stderr]     |
[INFO] [stderr] 304 |         self.div(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:318:18
[INFO] [stderr]     |
[INFO] [stderr] 318 |         self.add(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:332:9
[INFO] [stderr]     |
[INFO] [stderr] 332 |         (self as f64).add(t)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:377:18
[INFO] [stderr]     |
[INFO] [stderr] 377 |         self.sub(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to want to iterate on a map's values
[INFO] [stderr]    --> src/lib.rs:535:23
[INFO] [stderr]     |
[INFO] [stderr] 535 |         for (_, v) in &mut self.cells {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]     |
[INFO] [stderr] 535 |         for v in self.cells.values_mut() {
[INFO] [stderr]     |             ^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:391:9
[INFO] [stderr]     |
[INFO] [stderr] 391 |         (self as f64).sub(t)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to want to iterate on a map's values
[INFO] [stderr]    --> src/lib.rs:546:23
[INFO] [stderr]     |
[INFO] [stderr] 546 |         for (_, v) in &mut self.cells {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]     |
[INFO] [stderr] 546 |         for v in self.cells.values_mut() {
[INFO] [stderr]     |             ^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:435:18
[INFO] [stderr]     |
[INFO] [stderr] 435 |         self.mul(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:453:9
[INFO] [stderr]     |
[INFO] [stderr] 453 |         (self as f64).mul(e)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:471:18
[INFO] [stderr]     |
[INFO] [stderr] 471 |         self.div(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:486:18
[INFO] [stderr]     |
[INFO] [stderr] 486 |         self.add(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:501:9
[INFO] [stderr]     |
[INFO] [stderr] 501 |         (self as f64).add(e)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:533:18
[INFO] [stderr]     |
[INFO] [stderr] 533 |         self.sub(v as f64)
[INFO] [stderr]     |                  ^^^^^^^^ help: try: `f64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/operators.rs:549:9
[INFO] [stderr]     |
[INFO] [stderr] 549 |         (self as f64).sub(e)
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: try: `f64::from(self)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Variable`
[INFO] [stderr]    --> src/lib.rs:245:5
[INFO] [stderr]     |
[INFO] [stderr] 245 | /     pub fn new() -> Variable {
[INFO] [stderr] 246 | |         Variable(VARIABLE_ID.fetch_add(1, ::std::sync::atomic::Ordering::Relaxed))
[INFO] [stderr] 247 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 241 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cassowary`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you seem to want to iterate on a map's values
[INFO] [stderr]    --> src/lib.rs:535:23
[INFO] [stderr]     |
[INFO] [stderr] 535 |         for (_, v) in &mut self.cells {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]     |
[INFO] [stderr] 535 |         for v in self.cells.values_mut() {
[INFO] [stderr]     |             ^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to want to iterate on a map's values
[INFO] [stderr]    --> src/lib.rs:546:23
[INFO] [stderr]     |
[INFO] [stderr] 546 |         for (_, v) in &mut self.cells {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]     |
[INFO] [stderr] 546 |         for v in self.cells.values_mut() {
[INFO] [stderr]     |             ^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cassowary`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "367ba8baaf8a0a0d08653df5bb391a2dd2ad3d598bc3e885d8d9ad19032841d4"`
[INFO] running `"docker" "rm" "-f" "367ba8baaf8a0a0d08653df5bb391a2dd2ad3d598bc3e885d8d9ad19032841d4"`
[INFO] [stdout] 367ba8baaf8a0a0d08653df5bb391a2dd2ad3d598bc3e885d8d9ad19032841d4