[INFO] cloning repository https://github.com/rzeigler/loxide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rzeigler/loxide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frzeigler%2Floxide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frzeigler%2Floxide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39148b20e3e0a64c1734ae4e8da4e4f529c3648b
[INFO] linting rzeigler/loxide against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frzeigler%2Floxide" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rzeigler/loxide
[INFO] finished tweaking git repo https://github.com/rzeigler/loxide
[INFO] tweaked toml for git repo https://github.com/rzeigler/loxide written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rzeigler/loxide on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rzeigler/loxide already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fc294ad451d3f9a2d5faf1a8bd7821930f824feb4dc59b4ed993a0ceb3c7fa1
[INFO] running `Command { std: "docker" "start" "-a" "8fc294ad451d3f9a2d5faf1a8bd7821930f824feb4dc59b4ed993a0ceb3c7fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fc294ad451d3f9a2d5faf1a8bd7821930f824feb4dc59b4ed993a0ceb3c7fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc294ad451d3f9a2d5faf1a8bd7821930f824feb4dc59b4ed993a0ceb3c7fa1", kill_on_drop: false }`
[INFO] [stdout] 8fc294ad451d3f9a2d5faf1a8bd7821930f824feb4dc59b4ed993a0ceb3c7fa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2daf50a44a45a7741cd5de5e0346a32b7669de4f1ea79f73913640a26592d225
[INFO] running `Command { std: "docker" "start" "-a" "2daf50a44a45a7741cd5de5e0346a32b7669de4f1ea79f73913640a26592d225", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking ordered-float v4.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]     Checking loxide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Path` and `VarError`
[INFO] [stdout]  --> src/interpreter/stdlib.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 |     env::{self, VarError},
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Path` and `VarError`
[INFO] [stdout]  --> src/interpreter/stdlib.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 |     env::{self, VarError},
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/parser.rs:540:17
[INFO] [stdout]     |
[INFO] [stdout] 540 |                 object: object,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: replace it with: `object`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/parser.rs:541:17
[INFO] [stdout]     |
[INFO] [stdout] 541 |                 property: property,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `property`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/parser.rs:540:17
[INFO] [stdout]     |
[INFO] [stdout] 540 |                 object: object,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: replace it with: `object`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/parser.rs:541:17
[INFO] [stdout]     |
[INFO] [stdout] 541 |                 property: property,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `property`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]    --> src/scanner.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub const THIS_LITERAL: &'static str = "this";
[INFO] [stdout]     |                         -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]     = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]    --> src/scanner.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub const SUPER_LITERAL: &'static str = "super";
[INFO] [stdout]     |                          -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]    --> src/scanner.rs:135:37
[INFO] [stdout]     |
[INFO] [stdout] 135 | const KEYWORD_LITERAL_TO_SYMBOL: [(&'static str, Keyword); 17] = [
[INFO] [stdout]     |                                    -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]    --> src/scanner.rs:607:18
[INFO] [stdout]     |
[INFO] [stdout] 607 | const WS_CHARS: &'static [u8] = b" \r\t";
[INFO] [stdout]     |                 -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]    --> src/scanner.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub const THIS_LITERAL: &'static str = "this";
[INFO] [stdout]     |                         -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]     = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]    --> src/scanner.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub const SUPER_LITERAL: &'static str = "super";
[INFO] [stdout]     |                          -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]    --> src/scanner.rs:135:37
[INFO] [stdout]     |
[INFO] [stdout] 135 | const KEYWORD_LITERAL_TO_SYMBOL: [(&'static str, Keyword); 17] = [
[INFO] [stdout]     |                                    -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]    --> src/scanner.rs:607:18
[INFO] [stdout]     |
[INFO] [stdout] 607 | const WS_CHARS: &'static [u8] = b" \r\t";
[INFO] [stdout]     |                 -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]    --> src/ast.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 method,
[INFO] [stdout]     |                 ^^^^^^ help: try ignoring the field: `method: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]    --> src/ast.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 method,
[INFO] [stdout]     |                 ^^^^^^ help: try ignoring the field: `method: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestErrorReporter` is never constructed
[INFO] [stdout]   --> src/parser.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct TestErrorReporter;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the impl
[INFO] [stdout]    --> src/ast.rs:106:6
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl<'a> Display for Expr {
[INFO] [stdout]     |      ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]     = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the impl
[INFO] [stdout]    --> src/ast.rs:219:6
[INFO] [stdout]     |
[INFO] [stdout] 219 | impl<'a> Display for Literal {
[INFO] [stdout]     |      ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> src/interpreter/callable.rs:51:62
[INFO] [stdout]    |
[INFO] [stdout] 51 |         for (parameter, value) in self.parameters.iter().zip(args.into_iter()) {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 51 -         for (parameter, value) in self.parameters.iter().zip(args.into_iter()) {
[INFO] [stdout] 51 +         for (parameter, value) in self.parameters.iter().zip(args) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/interpreter/callable.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 |             interpreter.current_env().bind(&parameter, Some(value));
[INFO] [stdout]    |                                            ^^^^^^^^^^ help: change this to: `parameter`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the impl
[INFO] [stdout]    --> src/ast.rs:106:6
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl<'a> Display for Expr {
[INFO] [stdout]     |      ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]     = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the impl
[INFO] [stdout]    --> src/ast.rs:219:6
[INFO] [stdout]     |
[INFO] [stdout] 219 | impl<'a> Display for Literal {
[INFO] [stdout]     |      ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct implementation of `ToString`
[INFO] [stdout]    --> src/interpreter/runtime.rs:99:1
[INFO] [stdout]     |
[INFO] [stdout]  99 | / impl ToString for Value {
[INFO] [stdout] 100 | |     fn to_string(&self) -> String {
[INFO] [stdout] 101 | |         match self {
[INFO] [stdout] 102 | |             Value::String(s) => s.to_owned().as_ref().to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: prefer implementing `Display` instead
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_trait_impl
[INFO] [stdout]     = note: `#[warn(clippy::to_string_trait_impl)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/interpreter/runtime.rs:106:38
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Value::Callable(func) => format!("{}", func.name()),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `func.name().to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]     = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/interpreter/runtime.rs:107:36
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Value::Class(class) => format!("{}", class.name()),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `class.name().to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> src/interpreter/callable.rs:51:62
[INFO] [stdout]    |
[INFO] [stdout] 51 |         for (parameter, value) in self.parameters.iter().zip(args.into_iter()) {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 51 -         for (parameter, value) in self.parameters.iter().zip(args.into_iter()) {
[INFO] [stdout] 51 +         for (parameter, value) in self.parameters.iter().zip(args) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/interpreter/callable.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 |             interpreter.current_env().bind(&parameter, Some(value));
[INFO] [stdout]    |                                            ^^^^^^^^^^ help: change this to: `parameter`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/interpreter/runtime.rs:402:17
[INFO] [stdout]     |
[INFO] [stdout] 402 |                 return Err(UnwindCause::Return(v));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 402 -                 return Err(UnwindCause::Return(v));
[INFO] [stdout] 402 +                 Err(UnwindCause::Return(v))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:329:43
[INFO] [stdout]     |
[INFO] [stdout] 329 |                     self.environment.bind(&identifier, Some(value.clone()));
[INFO] [stdout]     |                                           ^^^^^^^^^^^ help: change this to: `identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:332:43
[INFO] [stdout]     |
[INFO] [stdout] 332 |                     self.environment.bind(&identifier, None);
[INFO] [stdout]     |                                           ^^^^^^^^^^^ help: change this to: `identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this block may be rewritten with the `?` operator
[INFO] [stdout]    --> src/interpreter/runtime.rs:345:17
[INFO] [stdout]     |
[INFO] [stdout] 345 | /                 if let Err(e) = result {
[INFO] [stdout] 346 | |                     return Err(e);
[INFO] [stdout] 347 | |                 }
[INFO] [stdout]     | |_________________^ help: replace it with: `result?;`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout]     = note: `#[warn(clippy::question_mark)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:356:34
[INFO] [stdout]     |
[INFO] [stdout] 356 |                     self.execute(&if_true)?;
[INFO] [stdout]     |                                  ^^^^^^^^ help: change this to: `if_true`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:369:40
[INFO] [stdout]     |
[INFO] [stdout] 369 |                     match self.execute(&body) {
[INFO] [stdout]     |                                        ^^^^^ help: change this to: `body`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:422:39
[INFO] [stdout]     |
[INFO] [stdout] 422 |                 self.environment.bind(&name, Some(Value::Class(class)));
[INFO] [stdout]     |                                       ^^^^^ help: change this to: `name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct implementation of `ToString`
[INFO] [stdout]    --> src/interpreter/runtime.rs:99:1
[INFO] [stdout]     |
[INFO] [stdout]  99 | / impl ToString for Value {
[INFO] [stdout] 100 | |     fn to_string(&self) -> String {
[INFO] [stdout] 101 | |         match self {
[INFO] [stdout] 102 | |             Value::String(s) => s.to_owned().as_ref().to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: prefer implementing `Display` instead
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_trait_impl
[INFO] [stdout]     = note: `#[warn(clippy::to_string_trait_impl)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/interpreter/runtime.rs:106:38
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Value::Callable(func) => format!("{}", func.name()),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `func.name().to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]     = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/interpreter/runtime.rs:494:26
[INFO] [stdout]     |
[INFO] [stdout] 494 |                 .map_err(|err| UnwindCause::Error(err)),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the tuple variant itself: `UnwindCause::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]     = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/interpreter/runtime.rs:107:36
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Value::Class(class) => format!("{}", class.name()),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `class.name().to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/interpreter/runtime.rs:588:55
[INFO] [stdout]     |
[INFO] [stdout] 588 |                         func.call(self, args).map_err(|e| UnwindCause::Error(e))
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the tuple variant itself: `UnwindCause::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/interpreter/runtime.rs:604:38
[INFO] [stdout]     |
[INFO] [stdout] 604 | ...                   .map_err(|e| UnwindCause::Error(e))
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the tuple variant itself: `UnwindCause::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/interpreter/runtime.rs:402:17
[INFO] [stdout]     |
[INFO] [stdout] 402 |                 return Err(UnwindCause::Return(v));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 402 -                 return Err(UnwindCause::Return(v));
[INFO] [stdout] 402 +                 Err(UnwindCause::Return(v))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:329:43
[INFO] [stdout]     |
[INFO] [stdout] 329 |                     self.environment.bind(&identifier, Some(value.clone()));
[INFO] [stdout]     |                                           ^^^^^^^^^^^ help: change this to: `identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:332:43
[INFO] [stdout]     |
[INFO] [stdout] 332 |                     self.environment.bind(&identifier, None);
[INFO] [stdout]     |                                           ^^^^^^^^^^^ help: change this to: `identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this block may be rewritten with the `?` operator
[INFO] [stdout]    --> src/interpreter/runtime.rs:345:17
[INFO] [stdout]     |
[INFO] [stdout] 345 | /                 if let Err(e) = result {
[INFO] [stdout] 346 | |                     return Err(e);
[INFO] [stdout] 347 | |                 }
[INFO] [stdout]     | |_________________^ help: replace it with: `result?;`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout]     = note: `#[warn(clippy::question_mark)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:356:34
[INFO] [stdout]     |
[INFO] [stdout] 356 |                     self.execute(&if_true)?;
[INFO] [stdout]     |                                  ^^^^^^^^ help: change this to: `if_true`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:369:40
[INFO] [stdout]     |
[INFO] [stdout] 369 |                     match self.execute(&body) {
[INFO] [stdout]     |                                        ^^^^^ help: change this to: `body`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: binary comparison to literal `Option::None`
[INFO] [stdout]    --> src/interpreter/runtime.rs:776:20
[INFO] [stdout]     |
[INFO] [stdout] 776 |                 if self.current_function == None
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `Option::is_none()` instead: `self.current_function.is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_to_none
[INFO] [stdout]     = note: `#[warn(clippy::partialeq_to_none)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:790:30
[INFO] [stdout]     |
[INFO] [stdout] 790 |                 self.declare(&identifier);
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: change this to: `identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:794:29
[INFO] [stdout]     |
[INFO] [stdout] 794 |                 self.define(&identifier);
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: change this to: `identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:798:29
[INFO] [stdout]     |
[INFO] [stdout] 798 |                 self.define(&name);
[INFO] [stdout]     |                             ^^^^^ help: change this to: `name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:422:39
[INFO] [stdout]     |
[INFO] [stdout] 422 |                 self.environment.bind(&name, Some(Value::Class(class)));
[INFO] [stdout]     |                                       ^^^^^ help: change this to: `name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/interpreter/runtime.rs:494:26
[INFO] [stdout]     |
[INFO] [stdout] 494 |                 .map_err(|err| UnwindCause::Error(err)),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the tuple variant itself: `UnwindCause::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]     = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/interpreter/runtime.rs:588:55
[INFO] [stdout]     |
[INFO] [stdout] 588 |                         func.call(self, args).map_err(|e| UnwindCause::Error(e))
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the tuple variant itself: `UnwindCause::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/parser.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         _ = write!(self.write, "error at {}: {}\n", pos, message);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::write_with_newline)]` on by default
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]    |
[INFO] [stdout] 57 -         _ = write!(self.write, "error at {}: {}\n", pos, message);
[INFO] [stdout] 57 +         _ = writeln!(self.write, "error at {}: {}", pos, message);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/interpreter/runtime.rs:604:38
[INFO] [stdout]     |
[INFO] [stdout] 604 | ...                   .map_err(|e| UnwindCause::Error(e))
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the tuple variant itself: `UnwindCause::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: binary comparison to literal `Option::None`
[INFO] [stdout]    --> src/interpreter/runtime.rs:776:20
[INFO] [stdout]     |
[INFO] [stdout] 776 |                 if self.current_function == None
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `Option::is_none()` instead: `self.current_function.is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_to_none
[INFO] [stdout]     = note: `#[warn(clippy::partialeq_to_none)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:790:30
[INFO] [stdout]     |
[INFO] [stdout] 790 |                 self.declare(&identifier);
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: change this to: `identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:794:29
[INFO] [stdout]     |
[INFO] [stdout] 794 |                 self.define(&identifier);
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: change this to: `identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter/runtime.rs:798:29
[INFO] [stdout]     |
[INFO] [stdout] 798 |                 self.define(&name);
[INFO] [stdout]     |                             ^^^^^ help: change this to: `name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/parser.rs:739:16
[INFO] [stdout]     |
[INFO] [stdout] 739 |             if !scanner.next_if(|next| *next == Symbol::Comma).is_some() {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `scanner.next_if(|next| *next == Symbol::Comma).is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/parser.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         _ = write!(self.write, "error at {}: {}\n", pos, message);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::write_with_newline)]` on by default
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]    |
[INFO] [stdout] 57 -         _ = write!(self.write, "error at {}: {}\n", pos, message);
[INFO] [stdout] 57 +         _ = writeln!(self.write, "error at {}: {}", pos, message);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:949:13
[INFO] [stdout]     |
[INFO] [stdout] 949 |             return Err(ParsePanic {});
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 949 -             return Err(ParsePanic {});
[INFO] [stdout] 949 +             Err(ParsePanic {})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:953:13
[INFO] [stdout]     |
[INFO] [stdout] 953 |             return Err(ParsePanic {});
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 953 -             return Err(ParsePanic {});
[INFO] [stdout] 953 +             Err(ParsePanic {})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `if let .. else` expression looks like `matches!` macro
[INFO] [stdout]    --> src/scanner.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 | /         if let Ok(Token {
[INFO] [stdout] 197 | |             data: TokenType::Eof,
[INFO] [stdout] 198 | |             pos: _,
[INFO] [stdout] 199 | |         }) = self.clone().next()
[INFO] [stdout] ...   |
[INFO] [stdout] 203 | |             false
[INFO] [stdout] 204 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]     = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]     |
[INFO] [stdout] 196 ~         matches!(self.clone().next(), Ok(Token {
[INFO] [stdout] 197 +             data: TokenType::Eof,
[INFO] [stdout] 198 +             pos: _,
[INFO] [stdout] 199 +         }))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/parser.rs:739:16
[INFO] [stdout]     |
[INFO] [stdout] 739 |             if !scanner.next_if(|next| *next == Symbol::Comma).is_some() {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `scanner.next_if(|next| *next == Symbol::Comma).is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `skip(..).next()` on an iterator
[INFO] [stdout]   --> src/main.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let script_path = args.skip(1).next().unwrap();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^ help: use `nth` instead: `.nth(1)`
[INFO] [stdout]    |
[INFO] [stdout] help: for this change `args` has to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let args = args();
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stdout]    = note: `#[warn(clippy::iter_skip_next)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:949:13
[INFO] [stdout]     |
[INFO] [stdout] 949 |             return Err(ParsePanic {});
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 949 -             return Err(ParsePanic {});
[INFO] [stdout] 949 +             Err(ParsePanic {})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/parser.rs:953:13
[INFO] [stdout]     |
[INFO] [stdout] 953 |             return Err(ParsePanic {});
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 953 -             return Err(ParsePanic {});
[INFO] [stdout] 953 +             Err(ParsePanic {})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/interpreter/callable.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub call: fn(&mut Interpreter, args: Vec<Value>) -> Result<Value, RuntimeError>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `if let .. else` expression looks like `matches!` macro
[INFO] [stdout]    --> src/scanner.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 | /         if let Ok(Token {
[INFO] [stdout] 197 | |             data: TokenType::Eof,
[INFO] [stdout] 198 | |             pos: _,
[INFO] [stdout] 199 | |         }) = self.clone().next()
[INFO] [stdout] ...   |
[INFO] [stdout] 203 | |             false
[INFO] [stdout] 204 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]     = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]     |
[INFO] [stdout] 196 ~         matches!(self.clone().next(), Ok(Token {
[INFO] [stdout] 197 +             data: TokenType::Eof,
[INFO] [stdout] 198 +             pos: _,
[INFO] [stdout] 199 +         }))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/scanner.rs:616:40
[INFO] [stdout]     |
[INFO] [stdout] 616 |         let mut scanner = Scanner::new(&code);
[INFO] [stdout]     |                                        ^^^^^ help: change this to: `code`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/scanner.rs:636:40
[INFO] [stdout]     |
[INFO] [stdout] 636 |         let mut scanner = Scanner::new(&code);
[INFO] [stdout]     |                                        ^^^^^ help: change this to: `code`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/scanner.rs:710:40
[INFO] [stdout]     |
[INFO] [stdout] 710 |         let mut scanner = Scanner::new(&code);
[INFO] [stdout]     |                                        ^^^^^ help: change this to: `code`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/scanner.rs:742:40
[INFO] [stdout]     |
[INFO] [stdout] 742 |         let mut scanner = Scanner::new(&code);
[INFO] [stdout]     |                                        ^^^^^ help: change this to: `code`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/scanner.rs:752:40
[INFO] [stdout]     |
[INFO] [stdout] 752 |         let mut scanner = Scanner::new(&code);
[INFO] [stdout]     |                                        ^^^^^ help: change this to: `code`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `skip(..).next()` on an iterator
[INFO] [stdout]   --> src/main.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let script_path = args.skip(1).next().unwrap();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^ help: use `nth` instead: `.nth(1)`
[INFO] [stdout]    |
[INFO] [stdout] help: for this change `args` has to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let args = args();
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stdout]    = note: `#[warn(clippy::iter_skip_next)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/interpreter/callable.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub call: fn(&mut Interpreter, args: Vec<Value>) -> Result<Value, RuntimeError>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `Command { std: "docker" "inspect" "2daf50a44a45a7741cd5de5e0346a32b7669de4f1ea79f73913640a26592d225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2daf50a44a45a7741cd5de5e0346a32b7669de4f1ea79f73913640a26592d225", kill_on_drop: false }`
[INFO] [stdout] 2daf50a44a45a7741cd5de5e0346a32b7669de4f1ea79f73913640a26592d225