[INFO] cloning repository https://github.com/JSH32/iodine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JSH32/iodine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJSH32%2Fiodine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJSH32%2Fiodine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ffda1c0c70b13a25cb7bdf66e7ff559043da1c0
[INFO] checking JSH32/iodine against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJSH32%2Fiodine" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JSH32/iodine
[INFO] finished tweaking git repo https://github.com/JSH32/iodine
[INFO] tweaked toml for git repo https://github.com/JSH32/iodine written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JSH32/iodine on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JSH32/iodine 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v4.2.0
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.5
[INFO] [stderr]   Downloaded clap v3.0.0-beta.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a25080269c246cbd4a19f6dc54ab6b135210e2f2d5704adb7b12f8de0e8aa6f
[INFO] running `Command { std: "docker" "start" "-a" "7a25080269c246cbd4a19f6dc54ab6b135210e2f2d5704adb7b12f8de0e8aa6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a25080269c246cbd4a19f6dc54ab6b135210e2f2d5704adb7b12f8de0e8aa6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a25080269c246cbd4a19f6dc54ab6b135210e2f2d5704adb7b12f8de0e8aa6f", kill_on_drop: false }`
[INFO] [stdout] 7a25080269c246cbd4a19f6dc54ab6b135210e2f2d5704adb7b12f8de0e8aa6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c21316b1a5de385d2b4577af59bdccd4dc97d7b103f362dcf592fca8c9825c59
[INFO] running `Command { std: "docker" "start" "-a" "c21316b1a5de385d2b4577af59bdccd4dc97d7b103f362dcf592fca8c9825c59", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking iodine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `lex` is never used
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn lex(input: &str) -> Result<(), String> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `lex` is never used
[INFO] [stdout]   --> src/lexer/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Lexer<'a> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn lex(&mut self) -> Result<Vec<Token>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/parser/ast.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Node {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Expression(Expression),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     Expression(Expression),
[INFO] [stdout] 14 +     Expression(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Let(DeclareStatement),
[INFO] [stdout]    |     --- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 -     Let(DeclareStatement),
[INFO] [stdout] 15 +     Let(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Const(DeclareStatement),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Const(DeclareStatement),
[INFO] [stdout] 16 +     Const(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lex` is never used
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn lex(input: &str) -> Result<(), String> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `lex` is never used
[INFO] [stdout]   --> src/lexer/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Lexer<'a> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn lex(&mut self) -> Result<Vec<Token>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/parser/ast.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Node {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Expression(Expression),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     Expression(Expression),
[INFO] [stdout] 14 +     Expression(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Let(DeclareStatement),
[INFO] [stdout]    |     --- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 -     Let(DeclareStatement),
[INFO] [stdout] 15 +     Let(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Const(DeclareStatement),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Const(DeclareStatement),
[INFO] [stdout] 16 +     Const(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Return(ReturnStatement),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -     Return(ReturnStatement),
[INFO] [stdout] 17 +     Return(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Return(ReturnStatement),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -     Return(ReturnStatement),
[INFO] [stdout] 17 +     Return(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Identifier(String),
[INFO] [stdout]    |     ---------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -     Identifier(String),
[INFO] [stdout] 23 +     Identifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Integer(token::Integer),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     Integer(token::Integer),
[INFO] [stdout] 24 +     Integer(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Float(token::Float),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -     Float(token::Float),
[INFO] [stdout] 25 +     Float(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Boolean(bool),
[INFO] [stdout]    |     ------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -     Boolean(bool),
[INFO] [stdout] 26 +     Boolean(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     String(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     String(String),
[INFO] [stdout] 27 +     String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Array(ArrayLiteral),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 -     Array(ArrayLiteral),
[INFO] [stdout] 28 +     Array(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Prefix(PrefixExpression),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     Prefix(PrefixExpression),
[INFO] [stdout] 29 +     Prefix(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Infix(InfixExpression),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -     Infix(InfixExpression),
[INFO] [stdout] 30 +     Infix(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     If(IfExpression),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -     If(IfExpression),
[INFO] [stdout] 31 +     If(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Function(FunctionLiteral),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 32 -     Function(FunctionLiteral),
[INFO] [stdout] 32 +     Function(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Call(CallExpression),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 -     Call(CallExpression),
[INFO] [stdout] 33 +     Call(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Index(IndexExpression),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 -     Index(IndexExpression),
[INFO] [stdout] 34 +     Index(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Hash(HashLiteral),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 -     Hash(HashLiteral),
[INFO] [stdout] 35 +     Hash(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Assign(AssignExpression)
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 -     Assign(AssignExpression)
[INFO] [stdout] 36 +     Assign(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `elements` is never read
[INFO] [stdout]   --> src/parser/ast.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct ArrayLiteral {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 41 |     pub elements: Vec<Expression>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArrayLiteral` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `operator` and `right` are never read
[INFO] [stdout]   --> src/parser/ast.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct PrefixExpression {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 46 |     pub operator: token::Token,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 47 |     pub right: Box<Expression>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PrefixExpression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left`, `operator`, and `right` are never read
[INFO] [stdout]   --> src/parser/ast.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct InfixExpression {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 52 |     pub left: Box<Expression>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 53 |     pub operator: token::Token,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 54 |     pub right: Box<Expression>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InfixExpression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `condition`, `consequence`, and `alternative` are never read
[INFO] [stdout]   --> src/parser/ast.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct IfExpression {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 59 |     pub condition: Box<Expression>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 60 |     pub consequence: BlockStatement,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 61 |     // Else statement
[INFO] [stdout] 62 |     pub alternative: Option<BlockStatement>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IfExpression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]   --> src/parser/ast.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct DeclareStatement {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 67 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 68 |     pub value: Expression,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeclareStatement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parameters` and `body` are never read
[INFO] [stdout]   --> src/parser/ast.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct FunctionLiteral {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 73 |     pub parameters: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 74 |     pub body: BlockStatement,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionLiteral` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/parser/ast.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct ReturnStatement {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 79 |     pub value: Expression,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReturnStatement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function` and `arguments` are never read
[INFO] [stdout]   --> src/parser/ast.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct CallExpression {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 84 |     pub function: Box<Expression>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 85 |     pub arguments: Vec<Expression>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CallExpression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left` and `index` are never read
[INFO] [stdout]   --> src/parser/ast.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct IndexExpression {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 90 |     pub left: Box<Expression>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 91 |     pub index: Box<Expression>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IndexExpression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left` and `value` are never read
[INFO] [stdout]   --> src/parser/ast.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct AssignExpression {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 96 |     pub left: Box<Expression>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 97 |     pub value: Box<Expression>
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AssignExpression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pairs` is never read
[INFO] [stdout]    --> src/parser/ast.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct HashLiteral {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 102 |     pub pairs: Vec<(Expression, Expression)>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HashLiteral` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Identifier(String),
[INFO] [stdout]    |     ---------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -     Identifier(String),
[INFO] [stdout] 23 +     Identifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Integer(token::Integer),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     Integer(token::Integer),
[INFO] [stdout] 24 +     Integer(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Float(token::Float),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -     Float(token::Float),
[INFO] [stdout] 25 +     Float(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Boolean(bool),
[INFO] [stdout]    |     ------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -     Boolean(bool),
[INFO] [stdout] 26 +     Boolean(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     String(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     String(String),
[INFO] [stdout] 27 +     String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Array(ArrayLiteral),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 -     Array(ArrayLiteral),
[INFO] [stdout] 28 +     Array(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Prefix(PrefixExpression),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     Prefix(PrefixExpression),
[INFO] [stdout] 29 +     Prefix(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Infix(InfixExpression),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -     Infix(InfixExpression),
[INFO] [stdout] 30 +     Infix(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     If(IfExpression),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -     If(IfExpression),
[INFO] [stdout] 31 +     If(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Function(FunctionLiteral),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 32 -     Function(FunctionLiteral),
[INFO] [stdout] 32 +     Function(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Call(CallExpression),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 -     Call(CallExpression),
[INFO] [stdout] 33 +     Call(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Index(IndexExpression),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 -     Index(IndexExpression),
[INFO] [stdout] 34 +     Index(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Hash(HashLiteral),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 -     Hash(HashLiteral),
[INFO] [stdout] 35 +     Hash(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/ast.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Assign(AssignExpression)
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 -     Assign(AssignExpression)
[INFO] [stdout] 36 +     Assign(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `elements` is never read
[INFO] [stdout]   --> src/parser/ast.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct ArrayLiteral {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 41 |     pub elements: Vec<Expression>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArrayLiteral` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `operator` and `right` are never read
[INFO] [stdout]   --> src/parser/ast.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct PrefixExpression {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 46 |     pub operator: token::Token,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 47 |     pub right: Box<Expression>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PrefixExpression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left`, `operator`, and `right` are never read
[INFO] [stdout]   --> src/parser/ast.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct InfixExpression {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 52 |     pub left: Box<Expression>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 53 |     pub operator: token::Token,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 54 |     pub right: Box<Expression>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InfixExpression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `condition`, `consequence`, and `alternative` are never read
[INFO] [stdout]   --> src/parser/ast.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct IfExpression {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 59 |     pub condition: Box<Expression>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 60 |     pub consequence: BlockStatement,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 61 |     // Else statement
[INFO] [stdout] 62 |     pub alternative: Option<BlockStatement>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IfExpression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]   --> src/parser/ast.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct DeclareStatement {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 67 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 68 |     pub value: Expression,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeclareStatement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parameters` and `body` are never read
[INFO] [stdout]   --> src/parser/ast.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct FunctionLiteral {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 73 |     pub parameters: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 74 |     pub body: BlockStatement,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionLiteral` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/parser/ast.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct ReturnStatement {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 79 |     pub value: Expression,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReturnStatement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function` and `arguments` are never read
[INFO] [stdout]   --> src/parser/ast.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct CallExpression {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 84 |     pub function: Box<Expression>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 85 |     pub arguments: Vec<Expression>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CallExpression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left` and `index` are never read
[INFO] [stdout]   --> src/parser/ast.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct IndexExpression {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 90 |     pub left: Box<Expression>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 91 |     pub index: Box<Expression>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IndexExpression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left` and `value` are never read
[INFO] [stdout]   --> src/parser/ast.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct AssignExpression {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 96 |     pub left: Box<Expression>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 97 |     pub value: Box<Expression>
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AssignExpression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pairs` is never read
[INFO] [stdout]    --> src/parser/ast.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct HashLiteral {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 102 |     pub pairs: Vec<(Expression, Expression)>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HashLiteral` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.58s
[INFO] running `Command { std: "docker" "inspect" "c21316b1a5de385d2b4577af59bdccd4dc97d7b103f362dcf592fca8c9825c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21316b1a5de385d2b4577af59bdccd4dc97d7b103f362dcf592fca8c9825c59", kill_on_drop: false }`
[INFO] [stdout] c21316b1a5de385d2b4577af59bdccd4dc97d7b103f362dcf592fca8c9825c59
