[INFO] cloning repository https://github.com/coderkalyan/femtoc-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coderkalyan/femtoc-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoderkalyan%2Ffemtoc-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoderkalyan%2Ffemtoc-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98624419201d739973ba52526e69131feb31f094
[INFO] checking coderkalyan/femtoc-rust/98624419201d739973ba52526e69131feb31f094 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoderkalyan%2Ffemtoc-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coderkalyan/femtoc-rust on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coderkalyan/femtoc-rust
[INFO] finished tweaking git repo https://github.com/coderkalyan/femtoc-rust
[INFO] tweaked toml for git repo https://github.com/coderkalyan/femtoc-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/coderkalyan/femtoc-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4b38eed3f24a621ca773fd1fe5c27677cf5f1539953a23d28294bd366e0b594
[INFO] running `Command { std: "docker" "start" "-a" "b4b38eed3f24a621ca773fd1fe5c27677cf5f1539953a23d28294bd366e0b594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4b38eed3f24a621ca773fd1fe5c27677cf5f1539953a23d28294bd366e0b594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b38eed3f24a621ca773fd1fe5c27677cf5f1539953a23d28294bd366e0b594", kill_on_drop: false }`
[INFO] [stdout] b4b38eed3f24a621ca773fd1fe5c27677cf5f1539953a23d28294bd366e0b594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f483b32cc0d5435b8d7269515c7408102261fa60b7386387c5c88d4010525dc
[INFO] running `Command { std: "docker" "start" "-a" "5f483b32cc0d5435b8d7269515c7408102261fa60b7386387c5c88d4010525dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bumpalo v3.13.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling pack-derive v0.1.0 (/opt/rustwide/workdir/pack-derive)
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking femtoc-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::util::interner::Interner`
[INFO] [stdout]   --> src/util/interner.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     use crate::util::interner::Interner;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ast/parser.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 Tag::RightBrace => {
[INFO] [stdout]     |                 --------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 109 |                 Tag::RightBrace => {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_open_parenth` is assigned to, but never used
[INFO] [stdout]   --> src/ast/parser.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let mut last_open_parenth: token::Index = token::Index::from(0);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_last_open_parenth` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_close_parenth` is assigned to, but never used
[INFO] [stdout]   --> src/ast/parser.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut last_close_parenth: token::Index = token::Index::from(0);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_last_close_parenth` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_open_brace`
[INFO] [stdout]   --> src/ast/parser.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let mut last_open_brace: token::Index = token::Index::from(0);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_open_brace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_close_brace` is assigned to, but never used
[INFO] [stdout]   --> src/ast/parser.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut last_close_brace: token::Index = token::Index::from(0);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_last_close_brace` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_open_parenth` is never read
[INFO] [stdout]   --> src/ast/parser.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |                     last_open_parenth = self.index;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_close_parenth` is never read
[INFO] [stdout]    --> src/ast/parser.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     last_close_parenth = self.index;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_close_brace` is never read
[INFO] [stdout]    --> src/ast/parser.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     last_close_brace = self.index;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_close_brace` is never read
[INFO] [stdout]    --> src/ast/parser.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     last_close_brace = self.index;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ast/parser.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 Tag::RightBrace => {
[INFO] [stdout]     |                 --------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 109 |                 Tag::RightBrace => {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ast/parser.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let mut last_open_brace: token::Index = token::Index::from(0);
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_open_parenth` is assigned to, but never used
[INFO] [stdout]   --> src/ast/parser.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let mut last_open_parenth: token::Index = token::Index::from(0);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_last_open_parenth` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_close_parenth` is assigned to, but never used
[INFO] [stdout]   --> src/ast/parser.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut last_close_parenth: token::Index = token::Index::from(0);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_last_close_parenth` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_open_brace`
[INFO] [stdout]   --> src/ast/parser.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let mut last_open_brace: token::Index = token::Index::from(0);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_open_brace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_close_brace` is assigned to, but never used
[INFO] [stdout]   --> src/ast/parser.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut last_close_brace: token::Index = token::Index::from(0);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_last_close_brace` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_open_parenth` is never read
[INFO] [stdout]   --> src/ast/parser.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |                     last_open_parenth = self.index;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_close_parenth` is never read
[INFO] [stdout]    --> src/ast/parser.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     last_close_parenth = self.index;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_close_brace` is never read
[INFO] [stdout]    --> src/ast/parser.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     last_close_brace = self.index;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_close_brace` is never read
[INFO] [stdout]    --> src/ast/parser.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     last_close_brace = self.index;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ast/parser.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let mut last_open_brace: token::Index = token::Index::from(0);
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]    --> src/lex.rs:150:16
[INFO] [stdout]     |
[INFO] [stdout] 149 |     impl <'a> Slice<'_> {
[INFO] [stdout]     |     ------------------- associated function in this implementation
[INFO] [stdout] 150 |         pub fn from(vec: &'a Vec<Token>) -> Slice<'a> {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nodes` and `extra` are never read
[INFO] [stdout]   --> src/ast.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Ast<'a> {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub nodes: Vec<node::Node>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 20 |     pub extra: extra::Vec,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `token_tag`, `main_token`, and `data` are never used
[INFO] [stdout]    --> src/ast.rs:286:12
[INFO] [stdout]     |
[INFO] [stdout] 274 | impl <'a> Ast<'_> {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 286 |     pub fn token_tag(&self, index: token::Index) -> token::Tag {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     pub fn main_token(&self, node: node::Index) -> token::Index {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 |     pub fn data(&self, node: node::Index) -> node::Data {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]  --> src/ast/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Parser<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     source: &'a str,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `consume_until_semi` and `parse_type_declaration` are never used
[INFO] [stdout]    --> src/ast/parser.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 27  | impl <'a> Parser<'_> {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 130 |     fn consume_until_semi(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 591 |     fn parse_type_declaration(&mut self) -> Result<node::Index> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `main_token` and `data` are never read
[INFO] [stdout]   --> src/ast.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub struct Node {
[INFO] [stdout]    |                ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 59 |         pub main_token: token::Index,
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |         pub data: Data,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` 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 `signature` and `body` are never read
[INFO] [stdout]   --> src/ast.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |         FnDecl { signature: extra::Index, body: Index },
[INFO] [stdout]    |         ------   ^^^^^^^^^                ^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/ast.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |         Param { ty: Index },
[INFO] [stdout]    |         -----   ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left` and `right` are never read
[INFO] [stdout]    --> src/ast.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 |         BinaryExpr { left: Index, right: Index },
[INFO] [stdout]     |         ----------   ^^^^         ^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `args_start` and `args_end` are never read
[INFO] [stdout]    --> src/ast.rs:108:20
[INFO] [stdout]     |
[INFO] [stdout] 108 |         CallExpr { args_start: extra::Index, args_end: extra::Index },
[INFO] [stdout]     |         --------   ^^^^^^^^^^                ^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stmts_start` and `stmts_end` are never read
[INFO] [stdout]    --> src/ast.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |         Block { stmts_start: extra::Index, stmts_end: extra::Index },
[INFO] [stdout]     |         -----   ^^^^^^^^^^^                ^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty` and `val` are never read
[INFO] [stdout]    --> src/ast.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |         ConstDecl { ty: Index, val: Index },
[INFO] [stdout]     |         ---------   ^^         ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty` and `val` are never read
[INFO] [stdout]    --> src/ast.rs:134:19
[INFO] [stdout]     |
[INFO] [stdout] 134 |         VarDecl { ty: Index, val: Index },
[INFO] [stdout]     |         -------   ^^         ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]    --> src/ast.rs:139:24
[INFO] [stdout]     |
[INFO] [stdout] 139 |         AssignSimple { val: Index },
[INFO] [stdout]     |         ------------   ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]    --> src/ast.rs:142:24
[INFO] [stdout]     |
[INFO] [stdout] 142 |         AssignBinary { val: Index },
[INFO] [stdout]     |         ------------   ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]    --> src/ast.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |         ReturnVal { val: Index },
[INFO] [stdout]     |         ---------   ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `condition` and `exec_true` are never read
[INFO] [stdout]    --> src/ast.rs:153:20
[INFO] [stdout]     |
[INFO] [stdout] 153 |         IfSimple { condition: Index, exec_true: Index },
[INFO] [stdout]     |         --------   ^^^^^^^^^         ^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `condition` and `exec` are never read
[INFO] [stdout]    --> src/ast.rs:159:18
[INFO] [stdout]     |
[INFO] [stdout] 159 |         IfElse { condition: Index, exec: extra::Index },
[INFO] [stdout]     |         ------   ^^^^^^^^^         ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `condition` and `chain` are never read
[INFO] [stdout]    --> src/ast.rs:165:19
[INFO] [stdout]     |
[INFO] [stdout] 165 |         IfChain { condition: Index, chain: extra::Index },
[INFO] [stdout]     |         -------   ^^^^^^^^^         ^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `body` is never read
[INFO] [stdout]    --> src/ast.rs:170:23
[INFO] [stdout]     |
[INFO] [stdout] 170 |         LoopForever { body: Index },
[INFO] [stdout]     |         -----------   ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `condition` and `body` are never read
[INFO] [stdout]    --> src/ast.rs:176:27
[INFO] [stdout]     |
[INFO] [stdout] 176 |         LoopConditional { condition: Index, body: Index },
[INFO] [stdout]     |         ---------------   ^^^^^^^^^         ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]    --> src/lex.rs:150:16
[INFO] [stdout]     |
[INFO] [stdout] 149 |     impl <'a> Slice<'_> {
[INFO] [stdout]     |     ------------------- associated function in this implementation
[INFO] [stdout] 150 |         pub fn from(vec: &'a Vec<Token>) -> Slice<'a> {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nodes` and `extra` are never read
[INFO] [stdout]   --> src/ast.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Ast<'a> {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub nodes: Vec<node::Node>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 20 |     pub extra: extra::Vec,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature` and `body` are never read
[INFO] [stdout]    --> src/ast.rs:182:21
[INFO] [stdout]     |
[INFO] [stdout] 182 |         LoopRange { signature: extra::Index, body: Index },
[INFO] [stdout]     |         ---------   ^^^^^^^^^                ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `token_tag`, `main_token`, and `data` are never used
[INFO] [stdout]    --> src/ast.rs:286:12
[INFO] [stdout]     |
[INFO] [stdout] 274 | impl <'a> Ast<'_> {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 286 |     pub fn token_tag(&self, index: token::Index) -> token::Tag {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     pub fn main_token(&self, node: node::Index) -> token::Index {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 |     pub fn data(&self, node: node::Index) -> node::Data {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stmts_start` and `stmts_end` are never read
[INFO] [stdout]    --> src/ast.rs:188:18
[INFO] [stdout]     |
[INFO] [stdout] 188 |         Module { stmts_start: extra::Index, stmts_end: extra::Index },
[INFO] [stdout]     |         ------   ^^^^^^^^^^^                ^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]  --> src/ast/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Parser<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     source: &'a str,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `consume_until_semi` and `parse_type_declaration` are never used
[INFO] [stdout]    --> src/ast/parser.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 27  | impl <'a> Parser<'_> {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 130 |     fn consume_until_semi(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 591 |     fn parse_type_declaration(&mut self) -> Result<node::Index> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `main_token` and `data` are never read
[INFO] [stdout]   --> src/ast.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub struct Node {
[INFO] [stdout]    |                ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 59 |         pub main_token: token::Index,
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |         pub data: Data,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` 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 `signature` and `body` are never read
[INFO] [stdout]   --> src/ast.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |         FnDecl { signature: extra::Index, body: Index },
[INFO] [stdout]    |         ------   ^^^^^^^^^                ^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/ast.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |         Param { ty: Index },
[INFO] [stdout]    |         -----   ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left` and `right` are never read
[INFO] [stdout]    --> src/ast.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 |         BinaryExpr { left: Index, right: Index },
[INFO] [stdout]     |         ----------   ^^^^         ^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `args_start` and `args_end` are never read
[INFO] [stdout]    --> src/ast.rs:108:20
[INFO] [stdout]     |
[INFO] [stdout] 108 |         CallExpr { args_start: extra::Index, args_end: extra::Index },
[INFO] [stdout]     |         --------   ^^^^^^^^^^                ^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `StringLiteral` and `TypeDecl` are never constructed
[INFO] [stdout]    --> src/ast.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 73  |     pub enum Data {
[INFO] [stdout]     |              ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 111 |         StringLiteral,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |         TypeDecl { ty: Index },
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stmts_start` and `stmts_end` are never read
[INFO] [stdout]    --> src/ast.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |         Block { stmts_start: extra::Index, stmts_end: extra::Index },
[INFO] [stdout]     |         -----   ^^^^^^^^^^^                ^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty` and `val` are never read
[INFO] [stdout]    --> src/ast.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |         ConstDecl { ty: Index, val: Index },
[INFO] [stdout]     |         ---------   ^^         ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty` and `val` are never read
[INFO] [stdout]    --> src/ast.rs:134:19
[INFO] [stdout]     |
[INFO] [stdout] 134 |         VarDecl { ty: Index, val: Index },
[INFO] [stdout]     |         -------   ^^         ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]    --> src/ast.rs:228:16
[INFO] [stdout]     |
[INFO] [stdout] 227 |     impl <'a> Slice<'a> {
[INFO] [stdout]     |     ------------------- associated function in this implementation
[INFO] [stdout] 228 |         pub fn from(slice: &'a [Node]) -> Slice {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]    --> src/ast.rs:139:24
[INFO] [stdout]     |
[INFO] [stdout] 139 |         AssignSimple { val: Index },
[INFO] [stdout]     |         ------------   ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/util/extra.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl <'a> Slice<'a> {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 53 |     pub fn from(slice: &'a [Data]) -> Slice {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]    --> src/ast.rs:142:24
[INFO] [stdout]     |
[INFO] [stdout] 142 |         AssignBinary { val: Index },
[INFO] [stdout]     |         ------------   ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]    --> src/ast.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |         ReturnVal { val: Index },
[INFO] [stdout]     |         ---------   ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `condition` and `exec_true` are never read
[INFO] [stdout]    --> src/ast.rs:153:20
[INFO] [stdout]     |
[INFO] [stdout] 153 |         IfSimple { condition: Index, exec_true: Index },
[INFO] [stdout]     |         --------   ^^^^^^^^^         ^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `condition` and `exec` are never read
[INFO] [stdout]    --> src/ast.rs:159:18
[INFO] [stdout]     |
[INFO] [stdout] 159 |         IfElse { condition: Index, exec: extra::Index },
[INFO] [stdout]     |         ------   ^^^^^^^^^         ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `condition` and `chain` are never read
[INFO] [stdout]    --> src/ast.rs:165:19
[INFO] [stdout]     |
[INFO] [stdout] 165 |         IfChain { condition: Index, chain: extra::Index },
[INFO] [stdout]     |         -------   ^^^^^^^^^         ^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unpack` is never used
[INFO] [stdout]   --> src/util/extra.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub trait ExtraData<T> {
[INFO] [stdout]    |           --------- associated function in this trait
[INFO] [stdout] 59 |     fn pack(&self, vec: &mut Vec);
[INFO] [stdout] 60 |     fn unpack(slice: Slice, index: Index) -> T;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `body` is never read
[INFO] [stdout]    --> src/ast.rs:170:23
[INFO] [stdout]     |
[INFO] [stdout] 170 |         LoopForever { body: Index },
[INFO] [stdout]     |         -----------   ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `condition` and `body` are never read
[INFO] [stdout]    --> src/ast.rs:176:27
[INFO] [stdout]     |
[INFO] [stdout] 176 |         LoopConditional { condition: Index, body: Index },
[INFO] [stdout]     |         ---------------   ^^^^^^^^^         ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature` and `body` are never read
[INFO] [stdout]    --> src/ast.rs:182:21
[INFO] [stdout]     |
[INFO] [stdout] 182 |         LoopRange { signature: extra::Index, body: Index },
[INFO] [stdout]     |         ---------   ^^^^^^^^^                ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MissingIdentifier` is never constructed
[INFO] [stdout]   --> src/errors.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub enum Tag {
[INFO] [stdout]    |              --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |         MissingIdentifier,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tag` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stmts_start` and `stmts_end` are never read
[INFO] [stdout]    --> src/ast.rs:188:18
[INFO] [stdout]     |
[INFO] [stdout] 188 |         Module { stmts_start: extra::Index, stmts_end: extra::Index },
[INFO] [stdout]     |         ------   ^^^^^^^^^^^                ^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `StringLiteral` and `TypeDecl` are never constructed
[INFO] [stdout]    --> src/ast.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 73  |     pub enum Data {
[INFO] [stdout]     |              ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 111 |         StringLiteral,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |         TypeDecl { ty: Index },
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]    --> src/ast.rs:228:16
[INFO] [stdout]     |
[INFO] [stdout] 227 |     impl <'a> Slice<'a> {
[INFO] [stdout]     |     ------------------- associated function in this implementation
[INFO] [stdout] 228 |         pub fn from(slice: &'a [Node]) -> Slice {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/util/extra.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl <'a> Slice<'a> {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 53 |     pub fn from(slice: &'a [Data]) -> Slice {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unpack` is never used
[INFO] [stdout]   --> src/util/extra.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub trait ExtraData<T> {
[INFO] [stdout]    |           --------- associated function in this trait
[INFO] [stdout] 59 |     fn pack(&self, vec: &mut Vec);
[INFO] [stdout] 60 |     fn unpack(slice: Slice, index: Index) -> T;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interner` is never constructed
[INFO] [stdout]  --> src/util/interner.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Interner {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `intern`, and `get` are never used
[INFO] [stdout]   --> src/util/interner.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl <'a> Interner {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Interner {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn intern(&mut self, string: String) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn get(&self, handle: u32) -> Option<&'a str> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MissingIdentifier` is never constructed
[INFO] [stdout]   --> src/errors.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub enum Tag {
[INFO] [stdout]    |              --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |         MissingIdentifier,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tag` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 41 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.62s
[INFO] running `Command { std: "docker" "inspect" "5f483b32cc0d5435b8d7269515c7408102261fa60b7386387c5c88d4010525dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f483b32cc0d5435b8d7269515c7408102261fa60b7386387c5c88d4010525dc", kill_on_drop: false }`
[INFO] [stdout] 5f483b32cc0d5435b8d7269515c7408102261fa60b7386387c5c88d4010525dc