[INFO] updating cached repository Nickforall/yukon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Nickforall/yukon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Nickforall/yukon" "work/ex/clippy-test-run/sources/stable/gh/Nickforall/yukon"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Nickforall/yukon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nickforall/yukon" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Nickforall/yukon"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Nickforall/yukon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b310c92cedf77b95fe66c2792fb3a280ee00f605
[INFO] sha for GitHub repo Nickforall/yukon: b310c92cedf77b95fe66c2792fb3a280ee00f605
[INFO] validating manifest of Nickforall/yukon 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 Nickforall/yukon 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 Nickforall/yukon
[INFO] finished frobbing Nickforall/yukon
[INFO] frobbed toml for Nickforall/yukon written to work/ex/clippy-test-run/sources/stable/gh/Nickforall/yukon/Cargo.toml
[INFO] started frobbing Nickforall/yukon
[INFO] finished frobbing Nickforall/yukon
[INFO] frobbed toml for Nickforall/yukon written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Nickforall/yukon/Cargo.toml
[INFO] crate Nickforall/yukon has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting Nickforall/yukon against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Nickforall/yukon:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5f0df233ed6fdf83db3c7a101a9b46668b4242ccb640da1156cea498e211560e
[INFO] running `"docker" "start" "-a" "5f0df233ed6fdf83db3c7a101a9b46668b4242ccb640da1156cea498e211560e"`
[INFO] [stderr]    Compiling esprit v0.0.5
[INFO] [stderr]     Checking serde_json v0.7.4
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking unjson v0.0.5
[INFO] [stderr]     Checking joker v0.0.5
[INFO] [stderr]     Checking easter v0.0.5
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking estree v0.0.5
[INFO] [stderr]     Checking Yukon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/vm/scope.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             id: id,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `id`
[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/vm/mod.rs:32:51
[INFO] [stderr]    |
[INFO] [stderr] 32 |         VM::<'a> { image: img, stack: Vec::new(), scope: scope, sp: 0, cp: 0 }
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^ help: replace it with: `scope`
[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/vm/scope.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             id: id,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `id`
[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/vm/mod.rs:32:51
[INFO] [stderr]    |
[INFO] [stderr] 32 |         VM::<'a> { image: img, stack: Vec::new(), scope: scope, sp: 0, cp: 0 }
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^ help: replace it with: `scope`
[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/vm/operations.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |             return JsValue::JsNumber(x + y)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNumber(x + y)`
[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: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 |         _ => return JsValue::JsString(format!("{}{}", js_value_to_string(a), js_value_to_string(b)))
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsString(format!("{}{}", js_value_to_string(a), js_value_to_string(b)))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             return JsValue::JsNumber(x * y)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNumber(x * y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |         _ => return JsValue::JsNan
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNan`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             return JsValue::JsNumber(x / y)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNumber(x / y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:36:14
[INFO] [stderr]    |
[INFO] [stderr] 36 |         _ => return JsValue::JsNan
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNan`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             return JsValue::JsNumber(x - y)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNumber(x - y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |         _ => return JsValue::JsNan
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNan`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:57:35
[INFO] [stderr]    |
[INFO] [stderr] 57 |                     Ok(parsed) => return rust_to_js_boolean(parsed == 0 as f64),
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(parsed == 0 as f64)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:58:31
[INFO] [stderr]    |
[INFO] [stderr] 58 |                     Err(_) => return rust_to_js_boolean(boolValue != (&JsValue::JsFalse)),
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(boolValue != (&JsValue::JsFalse))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:61:17
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 return rust_to_js_boolean(boolValue == (&JsValue::JsFalse))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(boolValue == (&JsValue::JsFalse))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 return rust_to_js_boolean(boolValue != (&JsValue::JsFalse))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(boolValue != (&JsValue::JsFalse))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 return rust_to_js_boolean(boolValue == (&JsValue::JsFalse))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(boolValue == (&JsValue::JsFalse))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             return rust_to_js_boolean(boolValue != &JsValue::JsFalse)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(boolValue != &JsValue::JsFalse)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |             return rust_to_js_boolean(x == y)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(x == y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |             return rust_to_js_boolean(x == y)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(x == y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:99:33
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 Ok(parsed_x) => return rust_to_js_boolean(parsed_x == y),
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(parsed_x == y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:100:27
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 Err(_) => return JsValue::JsFalse,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsFalse`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:105:33
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 Ok(parsed_y) => return rust_to_js_boolean(x == parsed_y),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(x == parsed_y)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:106:27
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 Err(_) => return JsValue::JsFalse,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsFalse`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:109:14
[INFO] [stderr]     |
[INFO] [stderr] 109 |         _ => return JsValue::JsFalse
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsFalse`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     return flip_js_bool(eq(a, b))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `flip_js_bool(eq(a, b))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             return rust_to_js_boolean(x == y)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(x == y)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |             return rust_to_js_boolean(x == y)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(x == y)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             return rust_to_js_boolean(true)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(true)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |             return rust_to_js_boolean(true)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(true)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:131:14
[INFO] [stderr]     |
[INFO] [stderr] 131 |         _ => return JsValue::JsFalse
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsFalse`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     return flip_js_bool(strict_eq(a, b))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `flip_js_bool(strict_eq(a, b))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/vm/temp.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 |         &JsValue::JsNull => return "null".to_owned(),
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"null".to_owned()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/vm/temp.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 |         &JsValue::JsUndefined => return "undefined".to_owned(),
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"undefined".to_owned()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/vm/temp.rs:7:28
[INFO] [stderr]   |
[INFO] [stderr] 7 |         &JsValue::JsNan => return "NaN".to_owned(),
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"NaN".to_owned()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/vm/temp.rs:9:38
[INFO] [stderr]   |
[INFO] [stderr] 9 |         &JsValue::JsString(ref s) => return s.clone(),
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `s.clone()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/temp.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 |         &JsValue::JsTrue => return "true".to_owned(),
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"true".to_owned()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/temp.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 |         &JsValue::JsFalse => return "false".to_owned(),
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"false".to_owned()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/vm/types.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |         return JsValue::JsTrue
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsTrue`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/vm/types.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         return JsValue::JsFalse
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsFalse`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/types.rs:15:33
[INFO] [stderr]    |
[INFO] [stderr] 15 |                 Ok(parsed_x) => return JsValue::JsNumber(parsed_x),
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNumber(parsed_x)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/types.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 |                 Err(_) => return JsValue::JsString(string.clone()),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsString(string.clone())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/types.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |         _ => return v.clone()
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `v.clone()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/types.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     return rust_to_js_boolean(b != JsValue::JsTrue)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(b != JsValue::JsTrue)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/vm/scope.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/scope.rs:29:24
[INFO] [stderr]    |
[INFO] [stderr] 29 |             Some(a) => return a.clone(),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `a.clone()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/scope.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |             None => return JsValue::JsUndefined
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsUndefined`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/mod.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         return self.stack[self.stack.len() - 1].clone()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.stack[self.stack.len() - 1].clone()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustyline::error::ReadlineError`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rustyline::error::ReadlineError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustyline::Editor`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rustyline::Editor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ansi_term::Colour::RGB`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use ansi_term::Colour::RGB;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::env;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/tests.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         return image;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `image`
[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: unneeded return statement
[INFO] [stderr]   --> src/tests.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         return engine.read_stack_end();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `engine.read_stack_end()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |             return JsValue::JsNumber(x + y)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNumber(x + y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 |         _ => return JsValue::JsString(format!("{}{}", js_value_to_string(a), js_value_to_string(b)))
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsString(format!("{}{}", js_value_to_string(a), js_value_to_string(b)))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             return JsValue::JsNumber(x * y)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNumber(x * y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |         _ => return JsValue::JsNan
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNan`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             return JsValue::JsNumber(x / y)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNumber(x / y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:36:14
[INFO] [stderr]    |
[INFO] [stderr] 36 |         _ => return JsValue::JsNan
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNan`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             return JsValue::JsNumber(x - y)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNumber(x - y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |         _ => return JsValue::JsNan
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNan`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:57:35
[INFO] [stderr]    |
[INFO] [stderr] 57 |                     Ok(parsed) => return rust_to_js_boolean(parsed == 0 as f64),
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(parsed == 0 as f64)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:58:31
[INFO] [stderr]    |
[INFO] [stderr] 58 |                     Err(_) => return rust_to_js_boolean(boolValue != (&JsValue::JsFalse)),
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(boolValue != (&JsValue::JsFalse))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:61:17
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 return rust_to_js_boolean(boolValue == (&JsValue::JsFalse))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(boolValue == (&JsValue::JsFalse))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 return rust_to_js_boolean(boolValue != (&JsValue::JsFalse))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(boolValue != (&JsValue::JsFalse))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 return rust_to_js_boolean(boolValue == (&JsValue::JsFalse))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(boolValue == (&JsValue::JsFalse))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             return rust_to_js_boolean(boolValue != &JsValue::JsFalse)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(boolValue != &JsValue::JsFalse)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |             return rust_to_js_boolean(x == y)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(x == y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |             return rust_to_js_boolean(x == y)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(x == y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/operations.rs:99:33
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 Ok(parsed_x) => return rust_to_js_boolean(parsed_x == y),
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(parsed_x == y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:100:27
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 Err(_) => return JsValue::JsFalse,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsFalse`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:105:33
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 Ok(parsed_y) => return rust_to_js_boolean(x == parsed_y),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(x == parsed_y)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:106:27
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 Err(_) => return JsValue::JsFalse,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsFalse`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:109:14
[INFO] [stderr]     |
[INFO] [stderr] 109 |         _ => return JsValue::JsFalse
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsFalse`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     return flip_js_bool(eq(a, b))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `flip_js_bool(eq(a, b))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             return rust_to_js_boolean(x == y)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(x == y)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |             return rust_to_js_boolean(x == y)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(x == y)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             return rust_to_js_boolean(true)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(true)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |             return rust_to_js_boolean(true)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(true)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:131:14
[INFO] [stderr]     |
[INFO] [stderr] 131 |         _ => return JsValue::JsFalse
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsFalse`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vm/operations.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     return flip_js_bool(strict_eq(a, b))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `flip_js_bool(strict_eq(a, b))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/vm/temp.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 |         &JsValue::JsNull => return "null".to_owned(),
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"null".to_owned()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/vm/temp.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 |         &JsValue::JsUndefined => return "undefined".to_owned(),
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"undefined".to_owned()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/vm/temp.rs:7:28
[INFO] [stderr]   |
[INFO] [stderr] 7 |         &JsValue::JsNan => return "NaN".to_owned(),
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"NaN".to_owned()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/vm/temp.rs:9:38
[INFO] [stderr]   |
[INFO] [stderr] 9 |         &JsValue::JsString(ref s) => return s.clone(),
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `s.clone()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/temp.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 |         &JsValue::JsTrue => return "true".to_owned(),
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"true".to_owned()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/temp.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 |         &JsValue::JsFalse => return "false".to_owned(),
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"false".to_owned()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/vm/types.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |         return JsValue::JsTrue
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsTrue`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/vm/types.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         return JsValue::JsFalse
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsFalse`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/types.rs:15:33
[INFO] [stderr]    |
[INFO] [stderr] 15 |                 Ok(parsed_x) => return JsValue::JsNumber(parsed_x),
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsNumber(parsed_x)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/types.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 |                 Err(_) => return JsValue::JsString(string.clone()),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsString(string.clone())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/types.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |         _ => return v.clone()
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `v.clone()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/types.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     return rust_to_js_boolean(b != JsValue::JsTrue)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `rust_to_js_boolean(b != JsValue::JsTrue)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/vm/scope.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/scope.rs:29:24
[INFO] [stderr]    |
[INFO] [stderr] 29 |             Some(a) => return a.clone(),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `a.clone()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/scope.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |             None => return JsValue::JsUndefined
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `JsValue::JsUndefined`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vm/mod.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         return self.stack[self.stack.len() - 1].clone()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.stack[self.stack.len() - 1].clone()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/bytecode.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn compile_decl(image: &mut Image, decl: easter::decl::Decl) {
[INFO] [stderr]    |                 ^^^^^ help: consider using `_image` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decl`
[INFO] [stderr]   --> src/bytecode.rs:83:36
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn compile_decl(image: &mut Image, decl: easter::decl::Decl) {
[INFO] [stderr]    |                                    ^^^^ help: consider using `_decl` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parent`
[INFO] [stderr]   --> src/vm/scope.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(id: i32, parent: i32) {
[INFO] [stderr]    |                         ^^^^^^ help: consider using `_parent` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/vm/scope.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(id: i32, parent: i32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JsNull`
[INFO] [stderr]   --> src/vm/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     JsNull,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Yukon` should have a snake case name such as `yukon`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `boolValue` should have a snake case name such as `bool_value`
[INFO] [stderr]   --> src/vm/operations.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn handle_eq_with_bool(boolValue: &JsValue, comparedValue: &JsValue) -> JsValue {
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `comparedValue` should have a snake case name such as `compared_value`
[INFO] [stderr]   --> src/vm/operations.rs:52:45
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn handle_eq_with_bool(boolValue: &JsValue, comparedValue: &JsValue) -> JsValue {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/vm/operations.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 | /     match comparedValue {
[INFO] [stderr] 54 | |         &JsValue::JsString(ref x) => {
[INFO] [stderr] 55 | |             if !x.is_empty() {
[INFO] [stderr] 56 | |                 match x.clone().parse::<f64>() {
[INFO] [stderr] ...  |
[INFO] [stderr] 73 | |         }
[INFO] [stderr] 74 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 53 |     match *comparedValue {
[INFO] [stderr] 54 |         JsValue::JsString(ref x) => {
[INFO] [stderr] 55 |             if !x.is_empty() {
[INFO] [stderr] 56 |                 match x.clone().parse::<f64>() {
[INFO] [stderr] 57 |                     Ok(parsed) => return rust_to_js_boolean(parsed == 0 as f64),
[INFO] [stderr] 58 |                     Err(_) => return rust_to_js_boolean(boolValue != (&JsValue::JsFalse)),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/vm/operations.rs:57:61
[INFO] [stderr]    |
[INFO] [stderr] 57 |                     Ok(parsed) => return rust_to_js_boolean(parsed == 0 as f64),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(parsed - 0 as f64).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/vm/operations.rs:57:61
[INFO] [stderr]    |
[INFO] [stderr] 57 |                     Ok(parsed) => return rust_to_js_boolean(parsed == 0 as f64),
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/vm/operations.rs:57:71
[INFO] [stderr]    |
[INFO] [stderr] 57 |                     Ok(parsed) => return rust_to_js_boolean(parsed == 0 as f64),
[INFO] [stderr]    |                                                                       ^^^^^^^^ help: try: `f64::from(0)`
[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] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/vm/operations.rs:65:16
[INFO] [stderr]    |
[INFO] [stderr] 65 |             if x != 0 as f64 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: consider comparing them within some error: `(x - 0 as f64).abs() < error`
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/vm/operations.rs:65:16
[INFO] [stderr]    |
[INFO] [stderr] 65 |             if x != 0 as f64 {
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/vm/operations.rs:65:21
[INFO] [stderr]    |
[INFO] [stderr] 65 |             if x != 0 as f64 {
[INFO] [stderr]    |                     ^^^^^^^^ help: try: `f64::from(0)`
[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 don't need to add `&` to all patterns
[INFO] [stderr]   --> src/vm/temp.rs:4:5
[INFO] [stderr]    |
[INFO] [stderr] 4  | /     match val {
[INFO] [stderr] 5  | |         &JsValue::JsNull => return "null".to_owned(),
[INFO] [stderr] 6  | |         &JsValue::JsUndefined => return "undefined".to_owned(),
[INFO] [stderr] 7  | |         &JsValue::JsNan => return "NaN".to_owned(),
[INFO] [stderr] ...  |
[INFO] [stderr] 11 | |         &JsValue::JsFalse => return "false".to_owned(),
[INFO] [stderr] 12 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 4  |     match *val {
[INFO] [stderr] 5  |         JsValue::JsNull => return "null".to_owned(),
[INFO] [stderr] 6  |         JsValue::JsUndefined => return "undefined".to_owned(),
[INFO] [stderr] 7  |         JsValue::JsNan => return "NaN".to_owned(),
[INFO] [stderr] 8  |         JsValue::JsNumber(num) => return format!("{}", num),
[INFO] [stderr] 9  |         JsValue::JsString(ref s) => return s.clone(),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]  --> src/vm/types.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 |     if b == true {
[INFO] [stderr]   |        ^^^^^^^^^ help: try simplifying it as shown: `b`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/vm/types.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     match v {
[INFO] [stderr] 13 | |         &JsValue::JsString(ref string) => {
[INFO] [stderr] 14 | |             match string.clone().parse::<f64>() {
[INFO] [stderr] 15 | |                 Ok(parsed_x) => return JsValue::JsNumber(parsed_x),
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |         _ => return v.clone()
[INFO] [stderr] 20 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 12 |     match *v {
[INFO] [stderr] 13 |         JsValue::JsString(ref string) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/vm/repl.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     match val {
[INFO] [stderr] 7  | |         &JsValue::JsNull => return format!("{}", RGB(130, 130, 130).paint("null".to_owned())),
[INFO] [stderr] 8  | |         &JsValue::JsUndefined => return format!("{}", RGB(130, 130, 130).paint("undefined".to_owned())),
[INFO] [stderr] 9  | |         &JsValue::JsNan => return format!("{}", RGB(209, 154, 102).paint("NaN".to_owned())),
[INFO] [stderr] ...  |
[INFO] [stderr] 13 | |         &JsValue::JsFalse => return format!("{}", RGB(209, 154, 102).paint("false".to_owned())),
[INFO] [stderr] 14 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 6  |     match *val {
[INFO] [stderr] 7  |         JsValue::JsNull => return format!("{}", RGB(130, 130, 130).paint("null".to_owned())),
[INFO] [stderr] 8  |         JsValue::JsUndefined => return format!("{}", RGB(130, 130, 130).paint("undefined".to_owned())),
[INFO] [stderr] 9  |         JsValue::JsNan => return format!("{}", RGB(209, 154, 102).paint("NaN".to_owned())),
[INFO] [stderr] 10 |         JsValue::JsNumber(num) => return format!("{}", RGB(209, 154, 102).paint(format!("{}", num))),
[INFO] [stderr] 11 |         JsValue::JsString(ref s) => return format!("{}", RGB(152, 195, 121).paint(format!("\"{}\"", s.clone()))),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually return `Self`
[INFO] [stderr]   --> src/vm/scope.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     pub fn new(id: i32, parent: i32) {
[INFO] [stderr] 15 | |         Scope {
[INFO] [stderr] 16 | |             id: id,
[INFO] [stderr] 17 | |             is_global: false,
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |         };
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]   --> src/vm/scope.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | /         Scope {
[INFO] [stderr] 16 | |             id: id,
[INFO] [stderr] 17 | |             is_global: false,
[INFO] [stderr] 18 | |             variables: HashMap::new(),
[INFO] [stderr] 19 | |             parent: id
[INFO] [stderr] 20 | |         };
[INFO] [stderr]    | |__________^ help: replace it with: `id;false;HashMap::new();id;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_operation)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]   --> src/vm/mod.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |         if self.stack.len() < 1 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.stack.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] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `Yukon`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/bytecode.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn compile_decl(image: &mut Image, decl: easter::decl::Decl) {
[INFO] [stderr]    |                 ^^^^^ help: consider using `_image` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decl`
[INFO] [stderr]   --> src/bytecode.rs:83:36
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn compile_decl(image: &mut Image, decl: easter::decl::Decl) {
[INFO] [stderr]    |                                    ^^^^ help: consider using `_decl` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/tests.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let image: Image;
[INFO] [stderr]    |             ^^^^^ help: consider using `_image` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parent`
[INFO] [stderr]   --> src/vm/scope.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(id: i32, parent: i32) {
[INFO] [stderr]    |                         ^^^^^^ help: consider using `_parent` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ret_value_fmt`
[INFO] [stderr]  --> src/vm/repl.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn ret_value_fmt(val: &JsValue) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/vm/scope.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(id: i32, parent: i32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JsNull`
[INFO] [stderr]   --> src/vm/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     JsNull,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Yukon` should have a snake case name such as `yukon`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/tests.rs:20:68
[INFO] [stderr]    |
[INFO] [stderr] 20 |             script: Block {instructions: vec![Instruction::PUSHNUM(1 as f64), Instruction::PUSHNUM(10 as f64), Instruction::ADD]},
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: try: `f64::from(1)`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/tests.rs:20:100
[INFO] [stderr]    |
[INFO] [stderr] 20 |             script: Block {instructions: vec![Instruction::PUSHNUM(1 as f64), Instruction::PUSHNUM(10 as f64), Instruction::ADD]},
[INFO] [stderr]    |                                                                                                    ^^^^^^^^^ help: try: `f64::from(10)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/tests.rs:28:68
[INFO] [stderr]    |
[INFO] [stderr] 28 |             script: Block {instructions: vec![Instruction::PUSHNUM(1 as f64), Instruction::PUSHNUM(10 as f64), Instruction::SUB]},
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: try: `f64::from(1)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/tests.rs:28:100
[INFO] [stderr]    |
[INFO] [stderr] 28 |             script: Block {instructions: vec![Instruction::PUSHNUM(1 as f64), Instruction::PUSHNUM(10 as f64), Instruction::SUB]},
[INFO] [stderr]    |                                                                                                    ^^^^^^^^^ help: try: `f64::from(10)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/tests.rs:36:68
[INFO] [stderr]    |
[INFO] [stderr] 36 |             script: Block {instructions: vec![Instruction::PUSHNUM(1 as f64), Instruction::PUSHNUM(10 as f64), Instruction::DIV]},
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: try: `f64::from(1)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/tests.rs:36:100
[INFO] [stderr]    |
[INFO] [stderr] 36 |             script: Block {instructions: vec![Instruction::PUSHNUM(1 as f64), Instruction::PUSHNUM(10 as f64), Instruction::DIV]},
[INFO] [stderr]    |                                                                                                    ^^^^^^^^^ help: try: `f64::from(10)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/tests.rs:44:68
[INFO] [stderr]    |
[INFO] [stderr] 44 |             script: Block {instructions: vec![Instruction::PUSHNUM(1 as f64), Instruction::PUSHNUM(10 as f64), Instruction::MLP]},
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: try: `f64::from(1)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/tests.rs:44:100
[INFO] [stderr]    |
[INFO] [stderr] 44 |             script: Block {instructions: vec![Instruction::PUSHNUM(1 as f64), Instruction::PUSHNUM(10 as f64), Instruction::MLP]},
[INFO] [stderr]    |                                                                                                    ^^^^^^^^^ help: try: `f64::from(10)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/tests.rs:90:69
[INFO] [stderr]    |
[INFO] [stderr] 90 |             assert_eq!(compile_repl("1 + 2"), vm::JsValue::JsNumber(3 as f64))
[INFO] [stderr]    |                                                                     ^^^^^^^^ help: try: `f64::from(3)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/tests.rs:95:69
[INFO] [stderr]    |
[INFO] [stderr] 95 |             assert_eq!(compile_repl("1 * 2"), vm::JsValue::JsNumber(2 as f64))
[INFO] [stderr]    |                                                                     ^^^^^^^^ help: try: `f64::from(2)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:100:70
[INFO] [stderr]     |
[INFO] [stderr] 100 |             assert_eq!(compile_repl("10 / 2"), vm::JsValue::JsNumber(5 as f64))
[INFO] [stderr]     |                                                                      ^^^^^^^^ help: try: `f64::from(5)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:105:70
[INFO] [stderr]     |
[INFO] [stderr] 105 |             assert_eq!(compile_repl("10 - 2"), vm::JsValue::JsNumber(8 as f64))
[INFO] [stderr]     |                                                                      ^^^^^^^^ help: try: `f64::from(8)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:135:74
[INFO] [stderr]     |
[INFO] [stderr] 135 |             assert_eq!(compile_repl("10 - \"5\""), vm::JsValue::JsNumber(5 as f64))
[INFO] [stderr]     |                                                                          ^^^^^^^^ help: try: `f64::from(5)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:140:74
[INFO] [stderr]     |
[INFO] [stderr] 140 |             assert_eq!(compile_repl("10 * \"5\""), vm::JsValue::JsNumber(50 as f64))
[INFO] [stderr]     |                                                                          ^^^^^^^^^ help: try: `f64::from(50)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:145:74
[INFO] [stderr]     |
[INFO] [stderr] 145 |             assert_eq!(compile_repl("10 / \"5\""), vm::JsValue::JsNumber(2 as f64))
[INFO] [stderr]     |                                                                          ^^^^^^^^ help: try: `f64::from(2)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:165:74
[INFO] [stderr]     |
[INFO] [stderr] 165 |             assert_eq!(compile_repl("\"10\" - 5"), vm::JsValue::JsNumber(5 as f64))
[INFO] [stderr]     |                                                                          ^^^^^^^^ help: try: `f64::from(5)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:170:74
[INFO] [stderr]     |
[INFO] [stderr] 170 |             assert_eq!(compile_repl("\"5\" * 10"), vm::JsValue::JsNumber(50 as f64))
[INFO] [stderr]     |                                                                          ^^^^^^^^^ help: try: `f64::from(50)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:175:74
[INFO] [stderr]     |
[INFO] [stderr] 175 |             assert_eq!(compile_repl("\"10\" / 5"), vm::JsValue::JsNumber(2 as f64))
[INFO] [stderr]     |                                                                          ^^^^^^^^ help: try: `f64::from(2)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:310:77
[INFO] [stderr]     |
[INFO] [stderr] 310 |             assert_eq!(compile_repl("var a = 1; a;"), vm::JsValue::JsNumber(1 as f64))
[INFO] [stderr]     |                                                                             ^^^^^^^^ help: try: `f64::from(1)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:315:85
[INFO] [stderr]     |
[INFO] [stderr] 315 |             assert_eq!(compile_repl("var a = 1; a = 10; a;"), vm::JsValue::JsNumber(10 as f64))
[INFO] [stderr]     |                                                                                     ^^^^^^^^^ help: try: `f64::from(10)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:320:83
[INFO] [stderr]     |
[INFO] [stderr] 320 |             assert_eq!(compile_repl("var a = 1; a += 10;"), vm::JsValue::JsNumber(11 as f64))
[INFO] [stderr]     |                                                                                   ^^^^^^^^^ help: try: `f64::from(11)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:325:83
[INFO] [stderr]     |
[INFO] [stderr] 325 |             assert_eq!(compile_repl("var a = 10; a -= 5;"), vm::JsValue::JsNumber(5 as f64))
[INFO] [stderr]     |                                                                                   ^^^^^^^^ help: try: `f64::from(5)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:330:83
[INFO] [stderr]     |
[INFO] [stderr] 330 |             assert_eq!(compile_repl("var a = 10; a /= 2;"), vm::JsValue::JsNumber(5 as f64))
[INFO] [stderr]     |                                                                                   ^^^^^^^^ help: try: `f64::from(5)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/tests.rs:335:83
[INFO] [stderr]     |
[INFO] [stderr] 335 |             assert_eq!(compile_repl("var a = 10; a *= 5;"), vm::JsValue::JsNumber(50 as f64))
[INFO] [stderr]     |                                                                                   ^^^^^^^^^ help: try: `f64::from(50)`
[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: variable `boolValue` should have a snake case name such as `bool_value`
[INFO] [stderr]   --> src/vm/operations.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn handle_eq_with_bool(boolValue: &JsValue, comparedValue: &JsValue) -> JsValue {
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `comparedValue` should have a snake case name such as `compared_value`
[INFO] [stderr]   --> src/vm/operations.rs:52:45
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn handle_eq_with_bool(boolValue: &JsValue, comparedValue: &JsValue) -> JsValue {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/vm/operations.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 | /     match comparedValue {
[INFO] [stderr] 54 | |         &JsValue::JsString(ref x) => {
[INFO] [stderr] 55 | |             if !x.is_empty() {
[INFO] [stderr] 56 | |                 match x.clone().parse::<f64>() {
[INFO] [stderr] ...  |
[INFO] [stderr] 73 | |         }
[INFO] [stderr] 74 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 53 |     match *comparedValue {
[INFO] [stderr] 54 |         JsValue::JsString(ref x) => {
[INFO] [stderr] 55 |             if !x.is_empty() {
[INFO] [stderr] 56 |                 match x.clone().parse::<f64>() {
[INFO] [stderr] 57 |                     Ok(parsed) => return rust_to_js_boolean(parsed == 0 as f64),
[INFO] [stderr] 58 |                     Err(_) => return rust_to_js_boolean(boolValue != (&JsValue::JsFalse)),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/vm/operations.rs:57:61
[INFO] [stderr]    |
[INFO] [stderr] 57 |                     Ok(parsed) => return rust_to_js_boolean(parsed == 0 as f64),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(parsed - 0 as f64).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/vm/operations.rs:57:61
[INFO] [stderr]    |
[INFO] [stderr] 57 |                     Ok(parsed) => return rust_to_js_boolean(parsed == 0 as f64),
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/vm/operations.rs:57:71
[INFO] [stderr]    |
[INFO] [stderr] 57 |                     Ok(parsed) => return rust_to_js_boolean(parsed == 0 as f64),
[INFO] [stderr]    |                                                                       ^^^^^^^^ help: try: `f64::from(0)`
[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/vm/operations.rs:65:16
[INFO] [stderr]    |
[INFO] [stderr] 65 |             if x != 0 as f64 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: consider comparing them within some error: `(x - 0 as f64).abs() < error`
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/vm/operations.rs:65:16
[INFO] [stderr]    |
[INFO] [stderr] 65 |             if x != 0 as f64 {
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/vm/operations.rs:65:21
[INFO] [stderr]    |
[INFO] [stderr] 65 |             if x != 0 as f64 {
[INFO] [stderr]    |                     ^^^^^^^^ help: try: `f64::from(0)`
[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 don't need to add `&` to all patterns
[INFO] [stderr]   --> src/vm/temp.rs:4:5
[INFO] [stderr]    |
[INFO] [stderr] 4  | /     match val {
[INFO] [stderr] 5  | |         &JsValue::JsNull => return "null".to_owned(),
[INFO] [stderr] 6  | |         &JsValue::JsUndefined => return "undefined".to_owned(),
[INFO] [stderr] 7  | |         &JsValue::JsNan => return "NaN".to_owned(),
[INFO] [stderr] ...  |
[INFO] [stderr] 11 | |         &JsValue::JsFalse => return "false".to_owned(),
[INFO] [stderr] 12 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 4  |     match *val {
[INFO] [stderr] 5  |         JsValue::JsNull => return "null".to_owned(),
[INFO] [stderr] 6  |         JsValue::JsUndefined => return "undefined".to_owned(),
[INFO] [stderr] 7  |         JsValue::JsNan => return "NaN".to_owned(),
[INFO] [stderr] 8  |         JsValue::JsNumber(num) => return format!("{}", num),
[INFO] [stderr] 9  |         JsValue::JsString(ref s) => return s.clone(),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]  --> src/vm/types.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 |     if b == true {
[INFO] [stderr]   |        ^^^^^^^^^ help: try simplifying it as shown: `b`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/vm/types.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     match v {
[INFO] [stderr] 13 | |         &JsValue::JsString(ref string) => {
[INFO] [stderr] 14 | |             match string.clone().parse::<f64>() {
[INFO] [stderr] 15 | |                 Ok(parsed_x) => return JsValue::JsNumber(parsed_x),
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |         _ => return v.clone()
[INFO] [stderr] 20 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 12 |     match *v {
[INFO] [stderr] 13 |         JsValue::JsString(ref string) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/vm/repl.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     match val {
[INFO] [stderr] 7  | |         &JsValue::JsNull => return format!("{}", RGB(130, 130, 130).paint("null".to_owned())),
[INFO] [stderr] 8  | |         &JsValue::JsUndefined => return format!("{}", RGB(130, 130, 130).paint("undefined".to_owned())),
[INFO] [stderr] 9  | |         &JsValue::JsNan => return format!("{}", RGB(209, 154, 102).paint("NaN".to_owned())),
[INFO] [stderr] ...  |
[INFO] [stderr] 13 | |         &JsValue::JsFalse => return format!("{}", RGB(209, 154, 102).paint("false".to_owned())),
[INFO] [stderr] 14 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 6  |     match *val {
[INFO] [stderr] 7  |         JsValue::JsNull => return format!("{}", RGB(130, 130, 130).paint("null".to_owned())),
[INFO] [stderr] 8  |         JsValue::JsUndefined => return format!("{}", RGB(130, 130, 130).paint("undefined".to_owned())),
[INFO] [stderr] 9  |         JsValue::JsNan => return format!("{}", RGB(209, 154, 102).paint("NaN".to_owned())),
[INFO] [stderr] 10 |         JsValue::JsNumber(num) => return format!("{}", RGB(209, 154, 102).paint(format!("{}", num))),
[INFO] [stderr] 11 |         JsValue::JsString(ref s) => return format!("{}", RGB(152, 195, 121).paint(format!("\"{}\"", s.clone()))),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually return `Self`
[INFO] [stderr]   --> src/vm/scope.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     pub fn new(id: i32, parent: i32) {
[INFO] [stderr] 15 | |         Scope {
[INFO] [stderr] 16 | |             id: id,
[INFO] [stderr] 17 | |             is_global: false,
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |         };
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]   --> src/vm/scope.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | /         Scope {
[INFO] [stderr] 16 | |             id: id,
[INFO] [stderr] 17 | |             is_global: false,
[INFO] [stderr] 18 | |             variables: HashMap::new(),
[INFO] [stderr] 19 | |             parent: id
[INFO] [stderr] 20 | |         };
[INFO] [stderr]    | |__________^ help: replace it with: `id;false;HashMap::new();id;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_operation)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]   --> src/vm/mod.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |         if self.stack.len() < 1 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.stack.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] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `Yukon`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5f0df233ed6fdf83db3c7a101a9b46668b4242ccb640da1156cea498e211560e"`
[INFO] running `"docker" "rm" "-f" "5f0df233ed6fdf83db3c7a101a9b46668b4242ccb640da1156cea498e211560e"`
[INFO] [stdout] 5f0df233ed6fdf83db3c7a101a9b46668b4242ccb640da1156cea498e211560e