[INFO] crate rustyard 0.6.0 is already in cache
[INFO] extracting crate rustyard 0.6.0 into work/ex/clippy-test-run/sources/stable/reg/rustyard/0.6.0
[INFO] extracting crate rustyard 0.6.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rustyard/0.6.0
[INFO] validating manifest of rustyard-0.6.0 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 rustyard-0.6.0 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 rustyard-0.6.0
[INFO] finished frobbing rustyard-0.6.0
[INFO] frobbed toml for rustyard-0.6.0 written to work/ex/clippy-test-run/sources/stable/reg/rustyard/0.6.0/Cargo.toml
[INFO] started frobbing rustyard-0.6.0
[INFO] finished frobbing rustyard-0.6.0
[INFO] frobbed toml for rustyard-0.6.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rustyard/0.6.0/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 rustyard-0.6.0 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-0/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/rustyard/0.6.0:/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] 27cfd7ad8dcc9fe23db7794f521604e00aa7a524972025e8f9a21ed48f4ca3aa
[INFO] running `"docker" "start" "-a" "27cfd7ad8dcc9fe23db7794f521604e00aa7a524972025e8f9a21ed48f4ca3aa"`
[INFO] [stderr]     Checking rustyard v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `shunting_yard::ShuntingYard<'a>`
[INFO] [stderr]   --> src/shunting_yard.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     pub fn new() -> ShuntingYard<'a> {
[INFO] [stderr] 22 | |         ShuntingYard {
[INFO] [stderr] 23 | |             lexer: lexer::Lexer::new(),
[INFO] [stderr] 24 | |             output_queue: vec![],
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |         }
[INFO] [stderr] 28 | |     }
[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] 20 | impl Default for shunting_yard::ShuntingYard<'a> {
[INFO] [stderr] 21 |     fn default() -> Self {
[INFO] [stderr] 22 |         Self::new()
[INFO] [stderr] 23 |     }
[INFO] [stderr] 24 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/shunting_yard.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if self.errors.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.errors.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/shunting_yard.rs:69:27
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     while self.stack.len() > 0 {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.stack.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/shunting_yard.rs:127:15
[INFO] [stderr]     |
[INFO] [stderr] 127 |         while self.stack.len() > 0 {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.stack.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lexer.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 | /         match last_op {
[INFO] [stderr] 135 | |             Some(token::Token::Operator(o, _, _)) => {
[INFO] [stderr] 136 | |                 if o == '+' || o == '-' {
[INFO] [stderr] 137 | |                     // Pop the operator (because its not an operator .. its indicating the numbers'
[INFO] [stderr] ...   |
[INFO] [stderr] 143 | |             _ => ()
[INFO] [stderr] 144 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 134 |         if let Some(token::Token::Operator(o, _, _)) = last_op {
[INFO] [stderr] 135 |     if o == '+' || o == '-' {
[INFO] [stderr] 136 |         // Pop the operator (because its not an operator .. its indicating the numbers'
[INFO] [stderr] 137 |         // sign) and store our sign
[INFO] [stderr] 138 |         self.ast.pop();
[INFO] [stderr] 139 |         self.sign = Some(o);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/rpn_calculator.rs:6:25
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn calculate(input: &Vec<token::Token>) -> Result<f64, Vec<String>> {
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn calculate(input: &[token::Token]) -> Result<f64, Vec<String>> {
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^
[INFO] [stderr] help: change `input.clone()` to
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut input = input.to_owned();
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/rpn_calculator.rs:125:8
[INFO] [stderr]     |
[INFO] [stderr] 125 |     if errors.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!errors.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `shunting_yard::ShuntingYard<'a>`
[INFO] [stderr]   --> src/shunting_yard.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     pub fn new() -> ShuntingYard<'a> {
[INFO] [stderr] 22 | |         ShuntingYard {
[INFO] [stderr] 23 | |             lexer: lexer::Lexer::new(),
[INFO] [stderr] 24 | |             output_queue: vec![],
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |         }
[INFO] [stderr] 28 | |     }
[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] 20 | impl Default for shunting_yard::ShuntingYard<'a> {
[INFO] [stderr] 21 |     fn default() -> Self {
[INFO] [stderr] 22 |         Self::new()
[INFO] [stderr] 23 |     }
[INFO] [stderr] 24 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/shunting_yard.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if self.errors.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.errors.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/shunting_yard.rs:69:27
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     while self.stack.len() > 0 {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.stack.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/shunting_yard.rs:127:15
[INFO] [stderr]     |
[INFO] [stderr] 127 |         while self.stack.len() > 0 {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.stack.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lexer.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 | /         match last_op {
[INFO] [stderr] 135 | |             Some(token::Token::Operator(o, _, _)) => {
[INFO] [stderr] 136 | |                 if o == '+' || o == '-' {
[INFO] [stderr] 137 | |                     // Pop the operator (because its not an operator .. its indicating the numbers'
[INFO] [stderr] ...   |
[INFO] [stderr] 143 | |             _ => ()
[INFO] [stderr] 144 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 134 |         if let Some(token::Token::Operator(o, _, _)) = last_op {
[INFO] [stderr] 135 |     if o == '+' || o == '-' {
[INFO] [stderr] 136 |         // Pop the operator (because its not an operator .. its indicating the numbers'
[INFO] [stderr] 137 |         // sign) and store our sign
[INFO] [stderr] 138 |         self.ast.pop();
[INFO] [stderr] 139 |         self.sign = Some(o);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/rpn_calculator.rs:6:25
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn calculate(input: &Vec<token::Token>) -> Result<f64, Vec<String>> {
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn calculate(input: &[token::Token]) -> Result<f64, Vec<String>> {
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^
[INFO] [stderr] help: change `input.clone()` to
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut input = input.to_owned();
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/rpn_calculator.rs:125:8
[INFO] [stderr]     |
[INFO] [stderr] 125 |     if errors.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!errors.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> tests/wikipedia.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(3.0001220703125f64, yard.calculate("3 + 4 * 2 / ( 1 - 5 ) ^ 2 ^ 3").unwrap());
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^ help: consider: `3.000_122_070_312_5f64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/wikipedia.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(3.0001220703125f64, yard.calculate("3 + 4 * 2 / ( 1 - 5 ) ^ 2 ^ 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]   --> tests/wikipedia.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(3.0001220703125f64, yard.calculate("3 + 4 * 2 / ( 1 - 5 ) ^ 2 ^ 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustyard`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/powers.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(8f64, yard.calculate("2 ^ 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/multiplication.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(45f64, yard.calculate("5 * 9").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]   --> tests/multiplication.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(45f64, yard.calculate("5 * 9").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/multiplication.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(4.6875f64, yard.calculate("3.75 * 1.25").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/multiplication.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(4.6875f64, yard.calculate("3.75 * 1.25").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustyard`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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]   --> tests/powers.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(8f64, yard.calculate("2 ^ 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/order_of_operations.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(14f64, yard.calculate("2 + 4 * 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]   --> tests/order_of_operations.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(14f64, yard.calculate("2 + 4 * 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustyard`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/order_of_operations.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(18f64, yard.calculate("(2 + 4) * 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/order_of_operations.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(18f64, yard.calculate("(2 + 4) * 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/order_of_operations.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     assert_eq!(-10f64, yard.calculate("2 - 4 * 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/order_of_operations.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     assert_eq!(-10f64, yard.calculate("2 - 4 * 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/order_of_operations.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     assert_eq!(-6f64, yard.calculate("(2 - 4) * 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/order_of_operations.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     assert_eq!(-6f64, yard.calculate("(2 - 4) * 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/order_of_operations.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     assert_eq!(7f64, yard.calculate("2 + 20 / 4").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/order_of_operations.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     assert_eq!(7f64, yard.calculate("2 + 20 / 4").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/order_of_operations.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     assert_eq!(6f64, yard.calculate("(4 + 20) / 4").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/order_of_operations.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     assert_eq!(6f64, yard.calculate("(4 + 20) / 4").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/order_of_operations.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     assert_eq!(-3f64, yard.calculate("2 - 20 / 4").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/order_of_operations.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     assert_eq!(-3f64, yard.calculate("2 - 20 / 4").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/negative_numbers.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(-4f64, yard.calculate("-2 + -2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]   --> tests/negative_numbers.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(-4f64, yard.calculate("-2 + -2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/order_of_operations.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     assert_eq!(4f64, yard.calculate("(20 - 4) / 4").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/order_of_operations.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     assert_eq!(4f64, yard.calculate("(20 - 4) / 4").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/negative_numbers.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(0f64, yard.calculate("-2 - -2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/negative_numbers.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(0f64, yard.calculate("-2 - -2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/order_of_operations.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     assert_eq!(55f64, yard.calculate("1 + 2 * 3 ^ 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/order_of_operations.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     assert_eq!(55f64, yard.calculate("1 + 2 * 3 ^ 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/negative_numbers.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     assert_eq!(4f64, yard.calculate("-2 * -2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/negative_numbers.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     assert_eq!(4f64, yard.calculate("-2 * -2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/order_of_operations.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     assert_eq!(217f64, yard.calculate("1 + (2 * 3) ^ 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/order_of_operations.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     assert_eq!(217f64, yard.calculate("1 + (2 * 3) ^ 3").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/negative_numbers.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     assert_eq!(10f64, yard.calculate("-20 / -2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/negative_numbers.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     assert_eq!(10f64, yard.calculate("-20 / -2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustyard`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `rustyard`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/addition.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(4f64, yard.calculate("2 + 2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]   --> tests/addition.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(4f64, yard.calculate("2 + 2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/addition.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(5f64, yard.calculate("2.5 + 2.5").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/addition.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(5f64, yard.calculate("2.5 + 2.5").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustyard`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/division.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(5f64, yard.calculate("100 / 20").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]   --> tests/division.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(5f64, yard.calculate("100 / 20").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/division.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(7.6f64, yard.calculate("9.5 / 1.25").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/division.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(7.6f64, yard.calculate("9.5 / 1.25").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/multi-expression.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     assert_eq!(4f64, yard.calculate("2 + 2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]   --> tests/multi-expression.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     assert_eq!(4f64, yard.calculate("2 + 2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/multi-expression.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     assert_eq!(-4f64, yard.calculate("2 * -2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/multi-expression.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     assert_eq!(-4f64, yard.calculate("2 * -2").unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustyard`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustyard`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "27cfd7ad8dcc9fe23db7794f521604e00aa7a524972025e8f9a21ed48f4ca3aa"`
[INFO] running `"docker" "rm" "-f" "27cfd7ad8dcc9fe23db7794f521604e00aa7a524972025e8f9a21ed48f4ca3aa"`
[INFO] [stdout] 27cfd7ad8dcc9fe23db7794f521604e00aa7a524972025e8f9a21ed48f4ca3aa