[INFO] cloning repository https://github.com/nyamadan/lua_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyamadan/lua_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyamadan%2Flua_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyamadan%2Flua_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d46d40b5e026d01fd3b925ac55b32f522966e6b8
[INFO] checking nyamadan/lua_in_rust against try#81185c2d21df0ba45fd33e65bbdce76dc0d89bd9 for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyamadan%2Flua_in_rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyamadan/lua_in_rust on toolchain 81185c2d21df0ba45fd33e65bbdce76dc0d89bd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nyamadan/lua_in_rust
[INFO] finished tweaking git repo https://github.com/nyamadan/lua_in_rust
[INFO] tweaked toml for git repo https://github.com/nyamadan/lua_in_rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nyamadan/lua_in_rust 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" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking nyamadan/lua_in_rust against try#81185c2d21df0ba45fd33e65bbdce76dc0d89bd9 for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyamadan%2Flua_in_rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyamadan/lua_in_rust on toolchain 81185c2d21df0ba45fd33e65bbdce76dc0d89bd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nyamadan/lua_in_rust
[INFO] finished tweaking git repo https://github.com/nyamadan/lua_in_rust
[INFO] tweaked toml for git repo https://github.com/nyamadan/lua_in_rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nyamadan/lua_in_rust 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" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0545a0fc48d60b645b4ef60945e92f372a151eed12937efbe095091977afd74e
[INFO] running `Command { std: "docker" "start" "-a" "0545a0fc48d60b645b4ef60945e92f372a151eed12937efbe095091977afd74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0545a0fc48d60b645b4ef60945e92f372a151eed12937efbe095091977afd74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0545a0fc48d60b645b4ef60945e92f372a151eed12937efbe095091977afd74e", kill_on_drop: false }`
[INFO] [stdout] 0545a0fc48d60b645b4ef60945e92f372a151eed12937efbe095091977afd74e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de9c78c257cca975c594f9255003e83d4c90ebdc81692c2b793de624c1512f0
[INFO] running `Command { std: "docker" "start" "-a" "7de9c78c257cca975c594f9255003e83d4c90ebdc81692c2b793de624c1512f0", kill_on_drop: false }`
[INFO] [stderr]     Checking lua_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parse.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Expression(Expression),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Statement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 5 -     Expression(Expression),
[INFO] [stdout] 5 +     Expression(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parse.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     If(If),
[INFO] [stdout]   |     -- ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Statement` has a derived impl for the trait `Debug`, but this is 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] 6 -     If(If),
[INFO] [stdout] 6 +     If(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parse.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 |     FunctionDeclaration(FunctionDeclaration),
[INFO] [stdout]   |     ------------------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Statement` has a derived impl for the trait `Debug`, but this is 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] 7 -     FunctionDeclaration(FunctionDeclaration),
[INFO] [stdout] 7 +     FunctionDeclaration(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parse.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Return(Return),
[INFO] [stdout]   |     ------ ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Statement` has a derived impl for the trait `Debug`, but this is 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] 8 -     Return(Return),
[INFO] [stdout] 8 +     Return(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parse.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Local(Local),
[INFO] [stdout]   |     ----- ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Statement` has a derived impl for the trait `Debug`, but this is 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] 9 -     Local(Local),
[INFO] [stdout] 9 +     Local(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Identifier(Token),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is 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 -     Identifier(Token),
[INFO] [stdout] 16 +     Identifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Number(Token),
[INFO] [stdout]    |     ------ ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is 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 -     Number(Token),
[INFO] [stdout] 17 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `arguments` are never read
[INFO] [stdout]   --> src/parse.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct FunctionCall {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 22 |     pub name: Token,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 23 |     pub arguments: Vec<Expression>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionCall` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `operator`, `left`, and `right` are never read
[INFO] [stdout]   --> src/parse.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct BinaryOperation {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 28 |     pub operator: Token,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 29 |     pub left: Box<Expression>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 30 |     pub right: Box<Expression>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryOperation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     FunctionCall(FunctionCall),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is 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 -     FunctionCall(FunctionCall),
[INFO] [stdout] 35 +     FunctionCall(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |     BinaryOperation(BinaryOperation),
[INFO] [stdout]    |     --------------- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is 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 -     BinaryOperation(BinaryOperation),
[INFO] [stdout] 36 +     BinaryOperation(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Literal(Literal),
[INFO] [stdout]    |     ------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is 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] 37 -     Literal(Literal),
[INFO] [stdout] 37 +     Literal(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `parameters`, and `body` are never read
[INFO] [stdout]   --> src/parse.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct FunctionDeclaration {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 42 |     pub name: Token,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 43 |     pub parameters: Vec<Token>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 44 |     pub body: Vec<Statement>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionDeclaration` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `test` and `body` are never read
[INFO] [stdout]   --> src/parse.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct If {
[INFO] [stdout]    |            -- fields in this struct
[INFO] [stdout] 49 |     pub test: Expression,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 50 |     pub body: Vec<Statement>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `If` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `expression` are never read
[INFO] [stdout]   --> src/parse.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Local {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 55 |     pub name: Token,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 56 |     pub expression: Expression,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Local` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `expression` is never read
[INFO] [stdout]   --> src/parse.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct Return {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 61 |     pub expression: Expression,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Return` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parse.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Expression(Expression),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Statement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 5 -     Expression(Expression),
[INFO] [stdout] 5 +     Expression(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parse.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     If(If),
[INFO] [stdout]   |     -- ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Statement` has a derived impl for the trait `Debug`, but this is 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] 6 -     If(If),
[INFO] [stdout] 6 +     If(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parse.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 |     FunctionDeclaration(FunctionDeclaration),
[INFO] [stdout]   |     ------------------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Statement` has a derived impl for the trait `Debug`, but this is 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] 7 -     FunctionDeclaration(FunctionDeclaration),
[INFO] [stdout] 7 +     FunctionDeclaration(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parse.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Return(Return),
[INFO] [stdout]   |     ------ ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Statement` has a derived impl for the trait `Debug`, but this is 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] 8 -     Return(Return),
[INFO] [stdout] 8 +     Return(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parse.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Local(Local),
[INFO] [stdout]   |     ----- ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Statement` has a derived impl for the trait `Debug`, but this is 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] 9 -     Local(Local),
[INFO] [stdout] 9 +     Local(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Identifier(Token),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is 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 -     Identifier(Token),
[INFO] [stdout] 16 +     Identifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Number(Token),
[INFO] [stdout]    |     ------ ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is 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 -     Number(Token),
[INFO] [stdout] 17 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `arguments` are never read
[INFO] [stdout]   --> src/parse.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct FunctionCall {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 22 |     pub name: Token,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 23 |     pub arguments: Vec<Expression>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionCall` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `operator`, `left`, and `right` are never read
[INFO] [stdout]   --> src/parse.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct BinaryOperation {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 28 |     pub operator: Token,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 29 |     pub left: Box<Expression>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 30 |     pub right: Box<Expression>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryOperation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     FunctionCall(FunctionCall),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is 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 -     FunctionCall(FunctionCall),
[INFO] [stdout] 35 +     FunctionCall(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |     BinaryOperation(BinaryOperation),
[INFO] [stdout]    |     --------------- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is 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 -     BinaryOperation(BinaryOperation),
[INFO] [stdout] 36 +     BinaryOperation(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Literal(Literal),
[INFO] [stdout]    |     ------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is 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] 37 -     Literal(Literal),
[INFO] [stdout] 37 +     Literal(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `parameters`, and `body` are never read
[INFO] [stdout]   --> src/parse.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct FunctionDeclaration {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 42 |     pub name: Token,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 43 |     pub parameters: Vec<Token>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 44 |     pub body: Vec<Statement>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionDeclaration` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `test` and `body` are never read
[INFO] [stdout]   --> src/parse.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct If {
[INFO] [stdout]    |            -- fields in this struct
[INFO] [stdout] 49 |     pub test: Expression,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 50 |     pub body: Vec<Statement>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `If` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `expression` are never read
[INFO] [stdout]   --> src/parse.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Local {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 55 |     pub name: Token,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 56 |     pub expression: Expression,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Local` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `expression` is never read
[INFO] [stdout]   --> src/parse.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct Return {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 61 |     pub expression: Expression,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Return` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "7de9c78c257cca975c594f9255003e83d4c90ebdc81692c2b793de624c1512f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de9c78c257cca975c594f9255003e83d4c90ebdc81692c2b793de624c1512f0", kill_on_drop: false }`
[INFO] [stdout] 7de9c78c257cca975c594f9255003e83d4c90ebdc81692c2b793de624c1512f0