[INFO] cloning repository https://github.com/droidroot1995/pascal-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/droidroot1995/pascal-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroidroot1995%2Fpascal-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroidroot1995%2Fpascal-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44d641762096cd0ef6710a69cef15fabce3cbad3
[INFO] linting droidroot1995/pascal-rs against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroidroot1995%2Fpascal-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/droidroot1995/pascal-rs
[INFO] finished tweaking git repo https://github.com/droidroot1995/pascal-rs
[INFO] tweaked toml for git repo https://github.com/droidroot1995/pascal-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/droidroot1995/pascal-rs 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/droidroot1995/pascal-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c7b52eba6f1a041656549c665cb2b6f72834f5ba5f33c8e99abf97092e6ff759
[INFO] running `Command { std: "docker" "start" "-a" "c7b52eba6f1a041656549c665cb2b6f72834f5ba5f33c8e99abf97092e6ff759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7b52eba6f1a041656549c665cb2b6f72834f5ba5f33c8e99abf97092e6ff759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b52eba6f1a041656549c665cb2b6f72834f5ba5f33c8e99abf97092e6ff759", kill_on_drop: false }`
[INFO] [stdout] c7b52eba6f1a041656549c665cb2b6f72834f5ba5f33c8e99abf97092e6ff759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2d728fdf7fde0b70c531efaf8e3a0194b26e8344b546ce30dab7e8159b1cd98e
[INFO] running `Command { std: "docker" "start" "-a" "2d728fdf7fde0b70c531efaf8e3a0194b26e8344b546ce30dab7e8159b1cd98e", kill_on_drop: false }`
[INFO] [stderr]     Checking pascal-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/interpreter/token.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             value: value,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[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/interpreter/interpreter.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             lexer: lexer,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `lexer`
[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/interpreter/lexer.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             text: text,
[INFO] [stdout]    |             ^^^^^^^^^^ help: replace it with: `text`
[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/interpreter/token.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             value: value,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[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/interpreter/interpreter.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             lexer: lexer,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `lexer`
[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/interpreter/lexer.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             text: text,
[INFO] [stdout]    |             ^^^^^^^^^^ help: replace it with: `text`
[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: this boolean expression can be simplified
[INFO] [stdout]   --> src/interpreter/token.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if !value.is_none() && !self.value.is_none() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: try: `value.is_some()`
[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: this boolean expression can be simplified
[INFO] [stdout]   --> src/interpreter/token.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if !value.is_none() && !self.value.is_none() {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.value.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `self.value` after checking its variant with `is_none`
[INFO] [stdout]   --> src/interpreter/token.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if !value.is_none() && !self.value.is_none() {
[INFO] [stdout]    |                                 -------------------- the check is happening here
[INFO] [stdout] 19 |             self.value.as_mut().unwrap().push_str(value.unwrap().as_str());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: try using `match`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `value` after checking its variant with `is_none`
[INFO] [stdout]   --> src/interpreter/token.rs:19:51
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if !value.is_none() && !self.value.is_none() {
[INFO] [stdout]    |             --------------- the check is happening here
[INFO] [stdout] 19 |             self.value.as_mut().unwrap().push_str(value.unwrap().as_str());
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: try using `match`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/interpreter/token.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         return self.ttype.clone()
[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] 24 -         return self.ttype.clone()
[INFO] [stdout] 24 +         self.ttype.clone()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/interpreter/token.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         return self.value.as_ref().unwrap().clone();
[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] 28 -         return self.value.as_ref().unwrap().clone();
[INFO] [stdout] 28 +         self.value.as_ref().unwrap().clone()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]  --> src/interpreter.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod interpreter;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout]   = note: `#[warn(clippy::module_inception)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/interpreter/interpreter.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         return result;
[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] 90 -         return result;
[INFO] [stdout] 90 +         result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/interpreter/interpreter.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 result = result % self.pow_term();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `result %= self.pow_term()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/interpreter/interpreter.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         return result;
[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] 109 -         return result;
[INFO] [stdout] 109 +         result
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/interpreter/token.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if !value.is_none() && !self.value.is_none() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: try: `value.is_some()`
[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: this boolean expression can be simplified
[INFO] [stdout]   --> src/interpreter/token.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if !value.is_none() && !self.value.is_none() {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.value.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `self.value` after checking its variant with `is_none`
[INFO] [stdout]   --> src/interpreter/token.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if !value.is_none() && !self.value.is_none() {
[INFO] [stdout]    |                                 -------------------- the check is happening here
[INFO] [stdout] 19 |             self.value.as_mut().unwrap().push_str(value.unwrap().as_str());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: try using `match`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `value` after checking its variant with `is_none`
[INFO] [stdout]   --> src/interpreter/token.rs:19:51
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if !value.is_none() && !self.value.is_none() {
[INFO] [stdout]    |             --------------- the check is happening here
[INFO] [stdout] 19 |             self.value.as_mut().unwrap().push_str(value.unwrap().as_str());
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: try using `match`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/interpreter/token.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         return self.ttype.clone()
[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] 24 -         return self.ttype.clone()
[INFO] [stdout] 24 +         self.ttype.clone()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/interpreter/token.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         return self.value.as_ref().unwrap().clone();
[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] 28 -         return self.value.as_ref().unwrap().clone();
[INFO] [stdout] 28 +         self.value.as_ref().unwrap().clone()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]  --> src/interpreter.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod interpreter;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout]   = note: `#[warn(clippy::module_inception)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Option<char>` which implements the `Copy` trait
[INFO] [stdout]   --> src/interpreter/lexer.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.current_char.clone()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.current_char`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/interpreter/lexer.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         while !self.get_current_char().is_none() && self.get_current_char().unwrap().is_ascii_whitespace() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.get_current_char().is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/interpreter/lexer.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 41 |         while !self.get_current_char().is_none() && 
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.get_current_char().is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/interpreter/interpreter.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         return result;
[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] 90 -         return result;
[INFO] [stdout] 90 +         result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/interpreter/lexer.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 53 |         while !self.get_current_char().is_none() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.get_current_char().is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/interpreter/lexer.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         return Some(Token::new(consts::EOF, None));
[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] 135 -         return Some(Token::new(consts::EOF, None));
[INFO] [stdout] 135 +         Some(Token::new(consts::EOF, None))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/interpreter/interpreter.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 result = result % self.pow_term();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `result %= self.pow_term()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/interpreter/interpreter.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         return result;
[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] 109 -         return result;
[INFO] [stdout] 109 +         result
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/main.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 if text.len() == 0 {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `text.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/interpreter/interpreter.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let ops = vec![consts::POW];
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[consts::POW]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]    = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/interpreter/interpreter.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let ops = vec![consts::DIV, consts::MUL];
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[consts::DIV, consts::MUL]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/interpreter/interpreter.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let ops = vec![consts::PLUS, consts::MINUS];
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[consts::PLUS, consts::MINUS]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Option<char>` which implements the `Copy` trait
[INFO] [stdout]   --> src/interpreter/lexer.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.current_char.clone()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.current_char`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/interpreter/lexer.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         while !self.get_current_char().is_none() && self.get_current_char().unwrap().is_ascii_whitespace() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.get_current_char().is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/interpreter/lexer.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 41 |         while !self.get_current_char().is_none() && 
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.get_current_char().is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/interpreter/lexer.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 53 |         while !self.get_current_char().is_none() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.get_current_char().is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/interpreter/lexer.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         return Some(Token::new(consts::EOF, None));
[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] 135 -         return Some(Token::new(consts::EOF, None));
[INFO] [stdout] 135 +         Some(Token::new(consts::EOF, None))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/main.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 if text.len() == 0 {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `text.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/interpreter/interpreter.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let ops = vec![consts::POW];
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[consts::POW]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]    = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/interpreter/interpreter.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let ops = vec![consts::DIV, consts::MUL];
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[consts::DIV, consts::MUL]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/interpreter/interpreter.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let ops = vec![consts::PLUS, consts::MINUS];
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[consts::PLUS, consts::MINUS]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "2d728fdf7fde0b70c531efaf8e3a0194b26e8344b546ce30dab7e8159b1cd98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d728fdf7fde0b70c531efaf8e3a0194b26e8344b546ce30dab7e8159b1cd98e", kill_on_drop: false }`
[INFO] [stdout] 2d728fdf7fde0b70c531efaf8e3a0194b26e8344b546ce30dab7e8159b1cd98e