[INFO] cloning repository https://github.com/tyler569/haxlel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyler569/haxlel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyler569%2Fhaxlel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyler569%2Fhaxlel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15b5467afc92a604c1ca497787d030d1aa1cf788
[INFO] checking tyler569/haxlel against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyler569%2Fhaxlel" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyler569/haxlel on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tyler569/haxlel
[INFO] finished tweaking git repo https://github.com/tyler569/haxlel
[INFO] tweaked toml for git repo https://github.com/tyler569/haxlel written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tyler569/haxlel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30a798d5d911fe9b6ee8947d9a0efd57900c91364bfa778bdfd3fde73bd53fd4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "30a798d5d911fe9b6ee8947d9a0efd57900c91364bfa778bdfd3fde73bd53fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30a798d5d911fe9b6ee8947d9a0efd57900c91364bfa778bdfd3fde73bd53fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a798d5d911fe9b6ee8947d9a0efd57900c91364bfa778bdfd3fde73bd53fd4", kill_on_drop: false }`
[INFO] [stdout] 30a798d5d911fe9b6ee8947d9a0efd57900c91364bfa778bdfd3fde73bd53fd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09e3bd97c2133eaaae0692ebc67f6aca1aece16aafb2c44bd6305b4d676cc164
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09e3bd97c2133eaaae0692ebc67f6aca1aece16aafb2c44bd6305b4d676cc164", kill_on_drop: false }`
[INFO] [stderr]     Checking haxlel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/interpreter/token.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/interpreter/token.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let source = String::from("\n\"Hello, world\\!!");
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BooleanTrue`
[INFO] [stdout]  --> src/interpreter/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     BooleanTrue, BooleanFalse, Number, String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BooleanFalse`
[INFO] [stdout]  --> src/interpreter/token.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     BooleanTrue, BooleanFalse, Number, String,
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]  --> src/interpreter/token.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 |     BooleanTrue, BooleanFalse, Number, String,
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]  --> src/interpreter/token.rs:6:40
[INFO] [stdout]   |
[INFO] [stdout] 6 |     BooleanTrue, BooleanFalse, Number, String,
[INFO] [stdout]   |                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]  --> src/interpreter/token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Identifier,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dot`
[INFO] [stdout]  --> src/interpreter/token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Dot,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Colon`
[INFO] [stdout]  --> src/interpreter/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Colon,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]   --> src/interpreter/token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Plus, Minus, Asterisk, Slash, Percentage, Approx,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]   --> src/interpreter/token.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Plus, Minus, Asterisk, Slash, Percentage, Approx,
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Asterisk`
[INFO] [stdout]   --> src/interpreter/token.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Plus, Minus, Asterisk, Slash, Percentage, Approx,
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Slash`
[INFO] [stdout]   --> src/interpreter/token.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Plus, Minus, Asterisk, Slash, Percentage, Approx,
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Percentage`
[INFO] [stdout]   --> src/interpreter/token.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Plus, Minus, Asterisk, Slash, Percentage, Approx,
[INFO] [stdout]    |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Approx`
[INFO] [stdout]   --> src/interpreter/token.rs:10:47
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Plus, Minus, Asterisk, Slash, Percentage, Approx,
[INFO] [stdout]    |                                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReferenceEquals`
[INFO] [stdout]   --> src/interpreter/token.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equals`
[INFO] [stdout]   --> src/interpreter/token.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotEquals`
[INFO] [stdout]   --> src/interpreter/token.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Less`
[INFO] [stdout]   --> src/interpreter/token.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Greater`
[INFO] [stdout]   --> src/interpreter/token.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |                                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LessEquals`
[INFO] [stdout]   --> src/interpreter/token.rs:11:56
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |                                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GreaterEquals`
[INFO] [stdout]   --> src/interpreter/token.rs:11:68
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `And`
[INFO] [stdout]   --> src/interpreter/token.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     And, Or,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Or`
[INFO] [stdout]   --> src/interpreter/token.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     And, Or,
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bracket`
[INFO] [stdout]   --> src/interpreter/token.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Bracket, CurlyBracket,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CurlyBracket`
[INFO] [stdout]   --> src/interpreter/token.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Bracket, CurlyBracket,
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Assign`
[INFO] [stdout]   --> src/interpreter/token.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Assign,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `If`
[INFO] [stdout]   --> src/interpreter/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     If, ElseIf, Else,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ElseIf`
[INFO] [stdout]   --> src/interpreter/token.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     If, ElseIf, Else,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Else`
[INFO] [stdout]   --> src/interpreter/token.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     If, ElseIf, Else,
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Loop`
[INFO] [stdout]   --> src/interpreter/token.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Loop, ConditionalLoop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ConditionalLoop`
[INFO] [stdout]   --> src/interpreter/token.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Loop, ConditionalLoop,
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Break`
[INFO] [stdout]   --> src/interpreter/token.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Break,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/interpreter/token.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Function,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LocalTerminator`
[INFO] [stdout]   --> src/interpreter/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LocalTerminator, GlobalTerminator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GlobalTerminator`
[INFO] [stdout]   --> src/interpreter/token.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LocalTerminator, GlobalTerminator,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eof`
[INFO] [stdout]   --> src/interpreter/token.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Eof
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/interpreter/token.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     String(TokenLocation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NumberDigit`
[INFO] [stdout]   --> src/interpreter/token.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     NumberDigit(TokenLocation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NumberPoint`
[INFO] [stdout]   --> src/interpreter/token.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     NumberPoint(TokenLocation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Character`
[INFO] [stdout]   --> src/interpreter/token.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     Character(TokenLocation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Undefined`
[INFO] [stdout]   --> src/interpreter/token.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     Undefined
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]  --> src/interpreter/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     String(TokenLocation),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NumberDigit`
[INFO] [stdout]  --> src/interpreter/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     NumberDigit(TokenLocation),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NumberPoint`
[INFO] [stdout]  --> src/interpreter/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NumberPoint(TokenLocation),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Character`
[INFO] [stdout]  --> src/interpreter/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Character(TokenLocation),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefaultNode`
[INFO] [stdout]  --> src/interpreter/error.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     DefaultNode(TokenLocation),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Undefined`
[INFO] [stdout]   --> src/interpreter/error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Undefined
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Function`
[INFO] [stdout]   --> src/interpreter/node.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Function<'a> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Variables`
[INFO] [stdout]   --> src/interpreter/node.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Variables<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `default_resolve`
[INFO] [stdout]   --> src/interpreter/node.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn default_resolve<'a>(node: &Node<'a>) -> Result<Value<'a>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/interpreter/node.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Function(&'a Node<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]   --> src/interpreter/node.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Array(&'a mut Array<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/interpreter/node.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/interpreter/node.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Number(f64),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/interpreter/node.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]   --> src/interpreter/node.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Null,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node`
[INFO] [stdout]   --> src/interpreter/node.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Node
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LexerState`
[INFO] [stdout]  --> src/interpreter/lexer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LexerState<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `advance`
[INFO] [stdout]   --> src/interpreter/lexer.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn advance(state: &mut LexerState) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_identifier`
[INFO] [stdout]   --> src/interpreter/lexer.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn get_identifier(lowercase: bool, state: &mut LexerState) -> Result<Token, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_number`
[INFO] [stdout]   --> src/interpreter/lexer.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn get_number(state: &mut LexerState) -> Result<Token, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_string`
[INFO] [stdout]    --> src/interpreter/lexer.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn get_string(state: &mut LexerState) -> Result<Token, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_next_token`
[INFO] [stdout]    --> src/interpreter/lexer.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub fn get_next_token(state: &mut LexerState) -> Result<Token, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init`
[INFO] [stdout]    --> src/interpreter/lexer.rs:418:4
[INFO] [stdout]     |
[INFO] [stdout] 418 | fn init(source: &String) -> LexerState {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_tokens`
[INFO] [stdout]    --> src/interpreter/lexer.rs:436:8
[INFO] [stdout]     |
[INFO] [stdout] 436 | pub fn get_tokens(source: &String) -> Result<Vec<Token>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Function`
[INFO] [stdout]   --> src/interpreter/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Function<'a> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Variables`
[INFO] [stdout]   --> src/interpreter/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Variables<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `default_resolve`
[INFO] [stdout]   --> src/interpreter/mod.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn default_resolve<'a>(node: &Node<'a>) -> Result<Value<'a>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/interpreter/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Function(&'a Node<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]   --> src/interpreter/mod.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Array(&'a mut Array<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/interpreter/mod.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/interpreter/mod.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Number(f64),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/interpreter/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]   --> src/interpreter/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Null,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node`
[INFO] [stdout]   --> src/interpreter/mod.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Node
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let source = String::from("\n\"Hello, world\\!!");
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 76 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BooleanTrue`
[INFO] [stdout]  --> src/interpreter/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     BooleanTrue, BooleanFalse, Number, String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BooleanFalse`
[INFO] [stdout]  --> src/interpreter/token.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     BooleanTrue, BooleanFalse, Number, String,
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]  --> src/interpreter/token.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 |     BooleanTrue, BooleanFalse, Number, String,
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]  --> src/interpreter/token.rs:6:40
[INFO] [stdout]   |
[INFO] [stdout] 6 |     BooleanTrue, BooleanFalse, Number, String,
[INFO] [stdout]   |                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]  --> src/interpreter/token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Identifier,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dot`
[INFO] [stdout]  --> src/interpreter/token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Dot,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Colon`
[INFO] [stdout]  --> src/interpreter/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Colon,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]   --> src/interpreter/token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Plus, Minus, Asterisk, Slash, Percentage, Approx,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]   --> src/interpreter/token.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Plus, Minus, Asterisk, Slash, Percentage, Approx,
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Asterisk`
[INFO] [stdout]   --> src/interpreter/token.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Plus, Minus, Asterisk, Slash, Percentage, Approx,
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Slash`
[INFO] [stdout]   --> src/interpreter/token.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Plus, Minus, Asterisk, Slash, Percentage, Approx,
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Percentage`
[INFO] [stdout]   --> src/interpreter/token.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Plus, Minus, Asterisk, Slash, Percentage, Approx,
[INFO] [stdout]    |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Approx`
[INFO] [stdout]   --> src/interpreter/token.rs:10:47
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Plus, Minus, Asterisk, Slash, Percentage, Approx,
[INFO] [stdout]    |                                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReferenceEquals`
[INFO] [stdout]   --> src/interpreter/token.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equals`
[INFO] [stdout]   --> src/interpreter/token.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotEquals`
[INFO] [stdout]   --> src/interpreter/token.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Less`
[INFO] [stdout]   --> src/interpreter/token.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Greater`
[INFO] [stdout]   --> src/interpreter/token.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |                                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LessEquals`
[INFO] [stdout]   --> src/interpreter/token.rs:11:56
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |                                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GreaterEquals`
[INFO] [stdout]   --> src/interpreter/token.rs:11:68
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReferenceEquals, Equals, NotEquals, Less, Greater, LessEquals, GreaterEquals,
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `And`
[INFO] [stdout]   --> src/interpreter/token.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     And, Or,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Or`
[INFO] [stdout]   --> src/interpreter/token.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     And, Or,
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bracket`
[INFO] [stdout]   --> src/interpreter/token.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Bracket, CurlyBracket,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CurlyBracket`
[INFO] [stdout]   --> src/interpreter/token.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Bracket, CurlyBracket,
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Assign`
[INFO] [stdout]   --> src/interpreter/token.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Assign,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `If`
[INFO] [stdout]   --> src/interpreter/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     If, ElseIf, Else,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ElseIf`
[INFO] [stdout]   --> src/interpreter/token.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     If, ElseIf, Else,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Else`
[INFO] [stdout]   --> src/interpreter/token.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     If, ElseIf, Else,
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Loop`
[INFO] [stdout]   --> src/interpreter/token.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Loop, ConditionalLoop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ConditionalLoop`
[INFO] [stdout]   --> src/interpreter/token.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Loop, ConditionalLoop,
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Break`
[INFO] [stdout]   --> src/interpreter/token.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Break,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/interpreter/token.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Function,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LocalTerminator`
[INFO] [stdout]   --> src/interpreter/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LocalTerminator, GlobalTerminator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GlobalTerminator`
[INFO] [stdout]   --> src/interpreter/token.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LocalTerminator, GlobalTerminator,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eof`
[INFO] [stdout]   --> src/interpreter/token.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Eof
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/interpreter/token.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     String(TokenLocation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NumberDigit`
[INFO] [stdout]   --> src/interpreter/token.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     NumberDigit(TokenLocation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NumberPoint`
[INFO] [stdout]   --> src/interpreter/token.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     NumberPoint(TokenLocation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Character`
[INFO] [stdout]   --> src/interpreter/token.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     Character(TokenLocation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Undefined`
[INFO] [stdout]   --> src/interpreter/token.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     Undefined
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]  --> src/interpreter/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     String(TokenLocation),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NumberDigit`
[INFO] [stdout]  --> src/interpreter/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     NumberDigit(TokenLocation),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NumberPoint`
[INFO] [stdout]  --> src/interpreter/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NumberPoint(TokenLocation),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Character`
[INFO] [stdout]  --> src/interpreter/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Character(TokenLocation),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefaultNode`
[INFO] [stdout]  --> src/interpreter/error.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     DefaultNode(TokenLocation),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Undefined`
[INFO] [stdout]   --> src/interpreter/error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Undefined
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Function`
[INFO] [stdout]   --> src/interpreter/node.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Function<'a> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Variables`
[INFO] [stdout]   --> src/interpreter/node.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Variables<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `default_resolve`
[INFO] [stdout]   --> src/interpreter/node.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn default_resolve<'a>(node: &Node<'a>) -> Result<Value<'a>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/interpreter/node.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Function(&'a Node<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]   --> src/interpreter/node.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Array(&'a mut Array<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/interpreter/node.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/interpreter/node.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Number(f64),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/interpreter/node.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]   --> src/interpreter/node.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Null,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node`
[INFO] [stdout]   --> src/interpreter/node.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Node
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LexerState`
[INFO] [stdout]  --> src/interpreter/lexer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LexerState<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `advance`
[INFO] [stdout]   --> src/interpreter/lexer.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn advance(state: &mut LexerState) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_identifier`
[INFO] [stdout]   --> src/interpreter/lexer.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn get_identifier(lowercase: bool, state: &mut LexerState) -> Result<Token, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_number`
[INFO] [stdout]   --> src/interpreter/lexer.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn get_number(state: &mut LexerState) -> Result<Token, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_string`
[INFO] [stdout]    --> src/interpreter/lexer.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn get_string(state: &mut LexerState) -> Result<Token, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_next_token`
[INFO] [stdout]    --> src/interpreter/lexer.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub fn get_next_token(state: &mut LexerState) -> Result<Token, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init`
[INFO] [stdout]    --> src/interpreter/lexer.rs:418:4
[INFO] [stdout]     |
[INFO] [stdout] 418 | fn init(source: &String) -> LexerState {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_tokens`
[INFO] [stdout]    --> src/interpreter/lexer.rs:436:8
[INFO] [stdout]     |
[INFO] [stdout] 436 | pub fn get_tokens(source: &String) -> Result<Vec<Token>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Function`
[INFO] [stdout]   --> src/interpreter/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Function<'a> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Variables`
[INFO] [stdout]   --> src/interpreter/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Variables<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `default_resolve`
[INFO] [stdout]   --> src/interpreter/mod.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn default_resolve<'a>(node: &Node<'a>) -> Result<Value<'a>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/interpreter/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Function(&'a Node<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]   --> src/interpreter/mod.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Array(&'a mut Array<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/interpreter/mod.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/interpreter/mod.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Number(f64),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/interpreter/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]   --> src/interpreter/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Null,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node`
[INFO] [stdout]   --> src/interpreter/mod.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Node
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 76 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "09e3bd97c2133eaaae0692ebc67f6aca1aece16aafb2c44bd6305b4d676cc164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e3bd97c2133eaaae0692ebc67f6aca1aece16aafb2c44bd6305b4d676cc164", kill_on_drop: false }`
[INFO] [stdout] 09e3bd97c2133eaaae0692ebc67f6aca1aece16aafb2c44bd6305b4d676cc164