[INFO] fetching crate plrs 0.1.3...
[INFO] linting plrs-0.1.3 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate plrs 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate plrs 0.1.3
[INFO] finished tweaking crates.io crate plrs 0.1.3
[INFO] tweaked toml for crates.io crate plrs 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate plrs 0.1.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.11.0)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (available: v0.3.7)
[INFO] [stderr]       Adding pyo3 v0.13.2 (available: v0.28.2)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded unindent v0.1.11
[INFO] [stderr]   Downloaded inventory-impl v0.1.11
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded pyo3-macros v0.13.2
[INFO] [stderr]   Downloaded ghost v0.1.20
[INFO] [stderr]   Downloaded inventory v0.1.11
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.13.2
[INFO] [stderr]   Downloaded pyo3 v0.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b00932614207f74398df6a6dbc7176e85f854be645fb90528a2b08ca599f657e
[INFO] running `Command { std: "docker" "start" "-a" "b00932614207f74398df6a6dbc7176e85f854be645fb90528a2b08ca599f657e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b00932614207f74398df6a6dbc7176e85f854be645fb90528a2b08ca599f657e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00932614207f74398df6a6dbc7176e85f854be645fb90528a2b08ca599f657e", kill_on_drop: false }`
[INFO] [stdout] b00932614207f74398df6a6dbc7176e85f854be645fb90528a2b08ca599f657e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1abad17381e247590d11ece3fc563ff4fdaca9f6a7b31777340318d11811ed6f
[INFO] running `Command { std: "docker" "start" "-a" "1abad17381e247590d11ece3fc563ff4fdaca9f6a7b31777340318d11811ed6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.2
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3 v0.13.2
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling pyo3-macros v0.13.2
[INFO] [stderr]    Compiling ghost v0.1.20
[INFO] [stderr]     Checking plrs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: name `EOF` contains a capitalized acronym
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     EOF,
[INFO] [stdout]   |     ^^^ help: consider making the acronym lowercase, except the initial letter (notice the capitalization): `Eof`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]   = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]    --> src/lib.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | /     match ch {
[INFO] [stdout] 178 | |         '[' | ']' | '{' | '}' | '(' | ')' | '.' | ',' | ':' | ';' | '=' | '\'' | '\"' | '\\' => {
[INFO] [stdout] 179 | |             true
[INFO] [stdout] ...   |
[INFO] [stdout] 182 | |     }
[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] 177 -     match ch {
[INFO] [stdout] 178 -         '[' | ']' | '{' | '}' | '(' | ')' | '.' | ',' | ':' | ';' | '=' | '\'' | '\"' | '\\' => {
[INFO] [stdout] 179 -             true
[INFO] [stdout] 180 -         }
[INFO] [stdout] 181 -         _ => false,
[INFO] [stdout] 182 -     }
[INFO] [stdout] 177 +     matches!(ch, '[' | ']' | '{' | '}' | '(' | ')' | '.' | ',' | ':' | ';' | '=' | '\'' | '\"' | '\\')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]    --> src/lib.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 | /     match ch {
[INFO] [stdout] 188 | |         '+' | '-' | '*' | '/' | '^' | '>' | '<' => true,
[INFO] [stdout] 189 | |         _ => false,
[INFO] [stdout] 190 | |     }
[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] help: use `matches!` directly
[INFO] [stdout]     |
[INFO] [stdout] 187 -     match ch {
[INFO] [stdout] 188 -         '+' | '-' | '*' | '/' | '^' | '>' | '<' => true,
[INFO] [stdout] 189 -         _ => false,
[INFO] [stdout] 190 -     }
[INFO] [stdout] 187 +     matches!(ch, '+' | '-' | '*' | '/' | '^' | '>' | '<')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]    --> src/lib.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 | /     match ch {
[INFO] [stdout] 196 | |         '\t' | ' ' | '\n' => true,
[INFO] [stdout] 197 | |         _ => false,
[INFO] [stdout] 198 | |     }
[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] help: use `matches!` directly
[INFO] [stdout]     |
[INFO] [stdout] 195 -     match ch {
[INFO] [stdout] 196 -         '\t' | ' ' | '\n' => true,
[INFO] [stdout] 197 -         _ => false,
[INFO] [stdout] 198 -     }
[INFO] [stdout] 195 +     matches!(ch, '\t' | ' ' | '\n')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:203:5
[INFO] [stdout]     |
[INFO] [stdout] 203 |     return ch.is_digit(10);
[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] 203 -     return ch.is_digit(10);
[INFO] [stdout] 203 +     ch.is_digit(10)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/lib.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 |     return ch.is_digit(10);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: try: `ch.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]     = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 208 |     return ch == '\'';
[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] 208 -     return ch == '\'';
[INFO] [stdout] 208 +     ch == '\''
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 |     return ch == '\"';
[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] 213 -     return ch == '\"';
[INFO] [stdout] 213 +     ch == '\"'
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 236 |     return false;
[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] 236 -     return false;
[INFO] [stdout] 236 +     false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:246:5
[INFO] [stdout]     |
[INFO] [stdout] 246 |     return false;
[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] 246 -     return false;
[INFO] [stdout] 246 +     false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:311:5
[INFO] [stdout]     |
[INFO] [stdout] 311 |     return Token { part, token };
[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] 311 -     return Token { part, token };
[INFO] [stdout] 311 +     Token { part, token }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/lib.rs:363:15
[INFO] [stdout]     |
[INFO] [stdout] 363 |         while !(self.curr_char == ch) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(self.curr_char != ch)`
[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: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |         return string;
[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] 371 -         return string;
[INFO] [stdout] 371 +         string
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `EOF` contains a capitalized acronym
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     EOF,
[INFO] [stdout]   |     ^^^ help: consider making the acronym lowercase, except the initial letter (notice the capitalization): `Eof`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]   = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]    --> src/lib.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | /     match ch {
[INFO] [stdout] 178 | |         '[' | ']' | '{' | '}' | '(' | ')' | '.' | ',' | ':' | ';' | '=' | '\'' | '\"' | '\\' => {
[INFO] [stdout] 179 | |             true
[INFO] [stdout] ...   |
[INFO] [stdout] 182 | |     }
[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] 177 -     match ch {
[INFO] [stdout] 178 -         '[' | ']' | '{' | '}' | '(' | ')' | '.' | ',' | ':' | ';' | '=' | '\'' | '\"' | '\\' => {
[INFO] [stdout] 179 -             true
[INFO] [stdout] 180 -         }
[INFO] [stdout] 181 -         _ => false,
[INFO] [stdout] 182 -     }
[INFO] [stdout] 177 +     matches!(ch, '[' | ']' | '{' | '}' | '(' | ')' | '.' | ',' | ':' | ';' | '=' | '\'' | '\"' | '\\')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]    --> src/lib.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 | /     match ch {
[INFO] [stdout] 188 | |         '+' | '-' | '*' | '/' | '^' | '>' | '<' => true,
[INFO] [stdout] 189 | |         _ => false,
[INFO] [stdout] 190 | |     }
[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] help: use `matches!` directly
[INFO] [stdout]     |
[INFO] [stdout] 187 -     match ch {
[INFO] [stdout] 188 -         '+' | '-' | '*' | '/' | '^' | '>' | '<' => true,
[INFO] [stdout] 189 -         _ => false,
[INFO] [stdout] 190 -     }
[INFO] [stdout] 187 +     matches!(ch, '+' | '-' | '*' | '/' | '^' | '>' | '<')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]    --> src/lib.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 | /     match ch {
[INFO] [stdout] 196 | |         '\t' | ' ' | '\n' => true,
[INFO] [stdout] 197 | |         _ => false,
[INFO] [stdout] 198 | |     }
[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] help: use `matches!` directly
[INFO] [stdout]     |
[INFO] [stdout] 195 -     match ch {
[INFO] [stdout] 196 -         '\t' | ' ' | '\n' => true,
[INFO] [stdout] 197 -         _ => false,
[INFO] [stdout] 198 -     }
[INFO] [stdout] 195 +     matches!(ch, '\t' | ' ' | '\n')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:203:5
[INFO] [stdout]     |
[INFO] [stdout] 203 |     return ch.is_digit(10);
[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] 203 -     return ch.is_digit(10);
[INFO] [stdout] 203 +     ch.is_digit(10)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/lib.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 |     return ch.is_digit(10);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: try: `ch.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]     = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 208 |     return ch == '\'';
[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] 208 -     return ch == '\'';
[INFO] [stdout] 208 +     ch == '\''
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 |     return ch == '\"';
[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] 213 -     return ch == '\"';
[INFO] [stdout] 213 +     ch == '\"'
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 236 |     return false;
[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] 236 -     return false;
[INFO] [stdout] 236 +     false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:246:5
[INFO] [stdout]     |
[INFO] [stdout] 246 |     return false;
[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] 246 -     return false;
[INFO] [stdout] 246 +     false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:311:5
[INFO] [stdout]     |
[INFO] [stdout] 311 |     return Token { part, token };
[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] 311 -     return Token { part, token };
[INFO] [stdout] 311 +     Token { part, token }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/lib.rs:363:15
[INFO] [stdout]     |
[INFO] [stdout] 363 |         while !(self.curr_char == ch) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(self.curr_char != ch)`
[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: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |         return string;
[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] 371 -         return string;
[INFO] [stdout] 371 +         string
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.13.2, pyo3-macros-backend v0.13.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "1abad17381e247590d11ece3fc563ff4fdaca9f6a7b31777340318d11811ed6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1abad17381e247590d11ece3fc563ff4fdaca9f6a7b31777340318d11811ed6f", kill_on_drop: false }`
[INFO] [stdout] 1abad17381e247590d11ece3fc563ff4fdaca9f6a7b31777340318d11811ed6f