[INFO] cloning repository https://github.com/Yashbstnmnhss/duka
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yashbstnmnhss/duka" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashbstnmnhss%2Fduka", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashbstnmnhss%2Fduka'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c80250b87e7cee7c146bddcf4d2bbc2edae72c74
[INFO] testing Yashbstnmnhss/duka against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashbstnmnhss%2Fduka" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Yashbstnmnhss/duka
[INFO] finished tweaking git repo https://github.com/Yashbstnmnhss/duka
[INFO] tweaked toml for git repo https://github.com/Yashbstnmnhss/duka written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Yashbstnmnhss/duka on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Yashbstnmnhss/duka 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gc v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d27035a946c66c6de65fecab97183bdd84f117e1cb5dbe4d7fcecc1ae25d0096
[INFO] running `Command { std: "docker" "start" "-a" "d27035a946c66c6de65fecab97183bdd84f117e1cb5dbe4d7fcecc1ae25d0096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d27035a946c66c6de65fecab97183bdd84f117e1cb5dbe4d7fcecc1ae25d0096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d27035a946c66c6de65fecab97183bdd84f117e1cb5dbe4d7fcecc1ae25d0096", kill_on_drop: false }`
[INFO] [stdout] d27035a946c66c6de65fecab97183bdd84f117e1cb5dbe4d7fcecc1ae25d0096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e731b61f09a3e77f96ea1a964f33fe31f38affd288efc8655370f6e0705371d
[INFO] running `Command { std: "docker" "start" "-a" "5e731b61f09a3e77f96ea1a964f33fe31f38affd288efc8655370f6e0705371d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling gc v0.5.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling duka-macros v0.1.4 (/opt/rustwide/workdir/macros)
[INFO] [stderr]    Compiling gc_derive v0.5.0 (/opt/rustwide/workdir/gc_derive)
[INFO] [stdout] warning: unused import: `ItemFn`
[INFO] [stdout]  --> macros/src/lib.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::{DeriveInput, ItemFn, parse_macro_input};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Data` and `DeriveInput`
[INFO] [stdout]  --> macros/src/history.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::{Data, DeriveInput, Ident, LitStr, Token, parse::Parse};
[INFO] [stdout]   |           ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling duka-shared v0.1.8 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling duka-backend v0.1.1 (/opt/rustwide/workdir/backend)
[INFO] [stderr]    Compiling duka-frontend v0.1.2 (/opt/rustwide/workdir/frontend)
[INFO] [stdout] warning: unused imports: `Scheduler` and `VM`
[INFO] [stdout]  --> backend/src/vm/coroutine.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Bits25, CoAction, Scheduler, VM, VMContext,
[INFO] [stdout]   |                           ^^^^^^^^^  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> backend/src/codegen/mod.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 391 | /         match expr.0 {
[INFO] [stdout] 392 | |             ExprKind::Literal(val) => todo!(),
[INFO] [stdout] 393 | |             _ => todo!(),
[INFO] [stdout] 394 | |         }
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 395 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> frontend/src/parser.rs:516:13
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let name = self.must_ident()?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> frontend/src/parser.rs:525:13
[INFO] [stdout]     |
[INFO] [stdout] 525 |         let base = opt![
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> backend/src/codegen/binary.rs:177:25
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn dl_read<T: Read>(input: &mut T) -> Result<Self, DukaDumpError> {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> backend/src/codegen/binary.rs:180:34
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn dl_write<T: Write>(&self, output: &mut T) -> Result<(), DukaDumpError> {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `object_item` is never used
[INFO] [stdout]    --> frontend/src/parser.rs:535:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | impl<Lexer: DukaLexer<Token>> Parser<Token, Lexer> {
[INFO] [stdout]     | -------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 535 |     fn object_item(&mut self) -> Result<(), DukaSpannedError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> frontend/src/parser.rs:1479:19
[INFO] [stdout]      |
[INFO] [stdout] 1479 |     fn span_start(&mut self) -> Result<RefToken, DukaSpannedError> {
[INFO] [stdout]      |                   ^^^^^^^^^            -------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1479 |     fn span_start(&mut self) -> Result<RefToken<'_>, DukaSpannedError> {
[INFO] [stdout]      |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:328:31
[INFO] [stdout]     |
[INFO] [stdout] 328 |             StmtKind::Call(_, items) => todo!(),
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:333:30
[INFO] [stdout]     |
[INFO] [stdout] 333 |             StmtKind::Return(items) => self.do_return()?,
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:336:35
[INFO] [stdout]     |
[INFO] [stdout] 336 |             StmtKind::ForNumberic(path, _, _, _, block) => {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:341:34
[INFO] [stdout]     |
[INFO] [stdout] 341 |             StmtKind::ForGeneric(paths, items, block) => {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:341:41
[INFO] [stdout]     |
[INFO] [stdout] 341 |             StmtKind::ForGeneric(paths, items, block) => {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:351:26
[INFO] [stdout]     |
[INFO] [stdout] 351 |             StmtKind::Do(block) => todo!(),
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:352:30
[INFO] [stdout]     |
[INFO] [stdout] 352 |             StmtKind::Assign(paths, items) => todo!(),
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:352:37
[INFO] [stdout]     |
[INFO] [stdout] 352 |             StmtKind::Assign(paths, items) => todo!(),
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:353:32
[INFO] [stdout]     |
[INFO] [stdout] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:353:38
[INFO] [stdout]     |
[INFO] [stdout] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:353:54
[INFO] [stdout]     |
[INFO] [stdout] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stdout]     |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_global`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:353:70
[INFO] [stdout]     |
[INFO] [stdout] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stdout]     |                                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:392:31
[INFO] [stdout]     |
[INFO] [stdout] 392 |             ExprKind::Literal(val) => todo!(),
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> backend/src/value.rs:268:36
[INFO] [stdout]     |
[INFO] [stdout] 268 |             ConstValue::ConstTable(t) => todo!(),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:328:21
[INFO] [stdout]     |
[INFO] [stdout] 328 |                 Add(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:328:24
[INFO] [stdout]     |
[INFO] [stdout] 328 |                 Add(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:328:27
[INFO] [stdout]     |
[INFO] [stdout] 328 |                 Add(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:329:21
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 Sub(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:329:24
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 Sub(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:329:27
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 Sub(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:330:21
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 Mul(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:330:24
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 Mul(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:330:27
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 Mul(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:331:21
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 Div(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:331:24
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 Div(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:331:27
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 Div(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:332:22
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 IDiv(a, b, c) => {}
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:332:25
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 IDiv(a, b, c) => {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:332:28
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 IDiv(a, b, c) => {}
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:333:21
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 Mod(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:333:24
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 Mod(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:333:27
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 Mod(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:334:21
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 Pow(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:334:24
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 Pow(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:334:27
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 Pow(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 BitAnd(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:335:27
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 BitAnd(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:335:30
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 BitAnd(a, b, c) => {}
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:336:23
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 BitOr(a, b, c) => {}
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:336:26
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 BitOr(a, b, c) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:336:29
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 BitOr(a, b, c) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:337:24
[INFO] [stdout]     |
[INFO] [stdout] 337 |                 BitXor(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:337:27
[INFO] [stdout]     |
[INFO] [stdout] 337 |                 BitXor(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:337:30
[INFO] [stdout]     |
[INFO] [stdout] 337 |                 BitXor(a, b, c) => {}
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:338:24
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 ShiftL(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:338:27
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 ShiftL(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:338:30
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 ShiftL(a, b, c) => {}
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:339:24
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 ShiftR(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:339:27
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 ShiftR(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:339:30
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 ShiftR(a, b, c) => {}
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:347:26
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:347:29
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:353:26
[INFO] [stdout]     |
[INFO] [stdout] 353 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:353:29
[INFO] [stdout]     |
[INFO] [stdout] 353 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operands`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:359:25
[INFO] [stdout]     |
[INFO] [stdout] 359 |                     let operands = vm!(R(a; count));
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:418:32
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 MarkToBeClosed(target) => {}
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:419:23
[INFO] [stdout]     |
[INFO] [stdout] 419 |                 Close(target) => {}
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:522:29
[INFO] [stdout]     |
[INFO] [stdout] 522 |                 TForPrepare(a, b) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:522:32
[INFO] [stdout]     |
[INFO] [stdout] 522 |                 TForPrepare(a, b) => {}
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:523:26
[INFO] [stdout]     |
[INFO] [stdout] 523 |                 TForLoop(a, b) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:523:29
[INFO] [stdout]     |
[INFO] [stdout] 523 |                 TForLoop(a, b) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:524:26
[INFO] [stdout]     |
[INFO] [stdout] 524 |                 TForCall(a, b) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:524:29
[INFO] [stdout]     |
[INFO] [stdout] 524 |                 TForCall(a, b) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ad`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:583:25
[INFO] [stdout]     |
[INFO] [stdout] 583 |                 CallSet(ad, func, narg) => {}
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_ad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:583:29
[INFO] [stdout]     |
[INFO] [stdout] 583 |                 CallSet(ad, func, narg) => {}
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `narg`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:583:35
[INFO] [stdout]     |
[INFO] [stdout] 583 |                 CallSet(ad, func, narg) => {}
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_narg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:584:26
[INFO] [stdout]     |
[INFO] [stdout] 584 |                 TailCall(a, b) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:584:29
[INFO] [stdout]     |
[INFO] [stdout] 584 |                 TailCall(a, b) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ad`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:669:24
[INFO] [stdout]     |
[INFO] [stdout] 669 |                 EqualK(ad, k) => todo!(),
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_ad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:669:28
[INFO] [stdout]     |
[INFO] [stdout] 669 |                 EqualK(ad, k) => todo!(),
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:161:31
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn execute(&mut self, ctx: &mut VMContext) -> Result<CoAction, DukaRuntimeError> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> backend/src/codegen/mod.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Constants(Vec<RuntimeValue>, HashMap<RuntimeValue, usize>);
[INFO] [stdout]    |        ---------                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Constants` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> backend/src/codegen/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Constants {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 18 |     fn add(&mut self, val: RuntimeValue) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `R` and `K` are never constructed
[INFO] [stdout]   --> backend/src/codegen/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum AllocIdx {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 33 |     R(usize),
[INFO] [stdout]    |     ^
[INFO] [stdout] 34 |     K(usize),
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AllocIdx` 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 `const_var`, `locals`, and `upvalues` are never read
[INFO] [stdout]   --> backend/src/codegen/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Scope {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 38 |     const_var: Vec<(String, usize)>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 39 |     locals: Vec<(String, AllocIdx)>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 40 |     upvalues: Vec<(String, AllocIdx)>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Scope` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `declare` and `find` are never used
[INFO] [stdout]   --> backend/src/codegen/mod.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Scope {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 43 |     fn declare(&mut self, name: String, alloc_pos: AllocIdx) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn find(&self, name: &str) -> Option<AllocIdx> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `current` and `find` are never used
[INFO] [stdout]   --> backend/src/codegen/mod.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl Scopes {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn current(&self) -> &Scope {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn find(&self, name: &str) -> Option<AllocIdx> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `top`, `free_list`, and `allocated` are never read
[INFO] [stdout]    --> backend/src/codegen/mod.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct AllocatorSnapshot {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] 102 |     top: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 103 |     free_list: Vec<usize>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 104 |     allocated: HashSet<usize>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AllocatorSnapshot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `alloc` and `free` are never used
[INFO] [stdout]    --> backend/src/codegen/mod.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Allocator {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn alloc(&mut self) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn free(&mut self, idx: usize) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load_const` is never used
[INFO] [stdout]    --> backend/src/codegen/mod.rs:276:8
[INFO] [stdout]     |
[INFO] [stdout] 275 | impl Generator {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 276 |     fn load_const(&mut self, val: RuntimeValue, a: Address) -> I {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `do_define`, `gen_proto`, and `do_const_val` are never used
[INFO] [stdout]    --> backend/src/codegen/mod.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 301 | impl Generator {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 363 |     fn do_define(&mut self) -> Result<(), DukaCodegenError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     fn gen_proto(&mut self, block: Block) -> Result<DukaProto, DukaCodegenError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 |     fn do_const_val(&mut self, val: ConstValue) -> Result<(), DukaCodegenError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Descriptor` is never used
[INFO] [stdout]  --> backend/src/codegen/descriptor.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Descriptor {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> backend/src/vm/mod.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn main(&self) -> GcCellRef<Coroutine> {
[INFO] [stdout]     |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn main(&self) -> GcCellRef<'_, Coroutine> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> backend/src/vm/mod.rs:200:21
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn main_mut(&self) -> GcCellRefMut<Coroutine> {
[INFO] [stdout]     |                     ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn main_mut(&self) -> GcCellRefMut<'_, Coroutine> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> backend/src/vm/mod.rs:208:20
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn current(&self) -> GcCellRef<Coroutine> {
[INFO] [stdout]     |                    ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn current(&self) -> GcCellRef<'_, Coroutine> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> backend/src/vm/mod.rs:215:24
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn current_mut(&self) -> GcCellRefMut<Coroutine> {
[INFO] [stdout]     |                        ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn current_mut(&self) -> GcCellRefMut<'_, Coroutine> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling duka-cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stdout] warning: unused import: `DukaLexer`
[INFO] [stdout]  --> cli/src/main.rs:9:53
[INFO] [stdout]   |
[INFO] [stdout] 9 | use duka_shared::types::{DukaAdapter, DukaAnalyzer, DukaLexer, DukaParser};
[INFO] [stdout]   |                                                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "5e731b61f09a3e77f96ea1a964f33fe31f38affd288efc8655370f6e0705371d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e731b61f09a3e77f96ea1a964f33fe31f38affd288efc8655370f6e0705371d", kill_on_drop: false }`
[INFO] [stdout] 5e731b61f09a3e77f96ea1a964f33fe31f38affd288efc8655370f6e0705371d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d180789aa2faeaaeb66bfe49bf1d91fb3033552ce1c162863371f33b5bdb11d8
[INFO] running `Command { std: "docker" "start" "-a" "d180789aa2faeaaeb66bfe49bf1d91fb3033552ce1c162863371f33b5bdb11d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling duka-macros v0.1.4 (/opt/rustwide/workdir/macros)
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling gc_derive v0.5.0 (/opt/rustwide/workdir/gc_derive)
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stdout] warning: unused import: `ItemFn`
[INFO] [stdout]  --> macros/src/lib.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::{DeriveInput, ItemFn, parse_macro_input};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Data` and `DeriveInput`
[INFO] [stdout]  --> macros/src/history.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::{Data, DeriveInput, Ident, LitStr, Token, parse::Parse};
[INFO] [stdout]   |           ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling clap_builder v4.5.41
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stdout] warning: unused import: `ItemFn`
[INFO] [stdout]  --> macros/src/lib.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::{DeriveInput, ItemFn, parse_macro_input};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Data` and `DeriveInput`
[INFO] [stdout]  --> macros/src/history.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::{Data, DeriveInput, Ident, LitStr, Token, parse::Parse};
[INFO] [stdout]   |           ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling duka-shared v0.1.8 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling clap v4.5.41
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling duka-backend v0.1.1 (/opt/rustwide/workdir/backend)
[INFO] [stderr]    Compiling duka-frontend v0.1.2 (/opt/rustwide/workdir/frontend)
[INFO] [stdout] warning: unused imports: `Scheduler` and `VM`
[INFO] [stdout]  --> backend/src/vm/coroutine.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Bits25, CoAction, Scheduler, VM, VMContext,
[INFO] [stdout]   |                           ^^^^^^^^^  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> backend/src/codegen/mod.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 391 | /         match expr.0 {
[INFO] [stdout] 392 | |             ExprKind::Literal(val) => todo!(),
[INFO] [stdout] 393 | |             _ => todo!(),
[INFO] [stdout] 394 | |         }
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 395 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> backend/src/codegen/binary.rs:177:25
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn dl_read<T: Read>(input: &mut T) -> Result<Self, DukaDumpError> {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> backend/src/codegen/binary.rs:180:34
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn dl_write<T: Write>(&self, output: &mut T) -> Result<(), DukaDumpError> {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:328:31
[INFO] [stdout]     |
[INFO] [stdout] 328 |             StmtKind::Call(_, items) => todo!(),
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:333:30
[INFO] [stdout]     |
[INFO] [stdout] 333 |             StmtKind::Return(items) => self.do_return()?,
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:336:35
[INFO] [stdout]     |
[INFO] [stdout] 336 |             StmtKind::ForNumberic(path, _, _, _, block) => {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:341:34
[INFO] [stdout]     |
[INFO] [stdout] 341 |             StmtKind::ForGeneric(paths, items, block) => {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:341:41
[INFO] [stdout]     |
[INFO] [stdout] 341 |             StmtKind::ForGeneric(paths, items, block) => {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:351:26
[INFO] [stdout]     |
[INFO] [stdout] 351 |             StmtKind::Do(block) => todo!(),
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:352:30
[INFO] [stdout]     |
[INFO] [stdout] 352 |             StmtKind::Assign(paths, items) => todo!(),
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:352:37
[INFO] [stdout]     |
[INFO] [stdout] 352 |             StmtKind::Assign(paths, items) => todo!(),
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:353:32
[INFO] [stdout]     |
[INFO] [stdout] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:353:38
[INFO] [stdout]     |
[INFO] [stdout] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:353:54
[INFO] [stdout]     |
[INFO] [stdout] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stdout]     |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_global`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:353:70
[INFO] [stdout]     |
[INFO] [stdout] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stdout]     |                                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:392:31
[INFO] [stdout]     |
[INFO] [stdout] 392 |             ExprKind::Literal(val) => todo!(),
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> frontend/src/parser.rs:516:13
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let name = self.must_ident()?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> frontend/src/parser.rs:525:13
[INFO] [stdout]     |
[INFO] [stdout] 525 |         let base = opt![
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `object_item` is never used
[INFO] [stdout]    --> frontend/src/parser.rs:535:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | impl<Lexer: DukaLexer<Token>> Parser<Token, Lexer> {
[INFO] [stdout]     | -------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 535 |     fn object_item(&mut self) -> Result<(), DukaSpannedError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> frontend/src/parser.rs:1479:19
[INFO] [stdout]      |
[INFO] [stdout] 1479 |     fn span_start(&mut self) -> Result<RefToken, DukaSpannedError> {
[INFO] [stdout]      |                   ^^^^^^^^^            -------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1479 |     fn span_start(&mut self) -> Result<RefToken<'_>, DukaSpannedError> {
[INFO] [stdout]      |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> backend/src/value.rs:268:36
[INFO] [stdout]     |
[INFO] [stdout] 268 |             ConstValue::ConstTable(t) => todo!(),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:328:21
[INFO] [stdout]     |
[INFO] [stdout] 328 |                 Add(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:328:24
[INFO] [stdout]     |
[INFO] [stdout] 328 |                 Add(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:328:27
[INFO] [stdout]     |
[INFO] [stdout] 328 |                 Add(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:329:21
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 Sub(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:329:24
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 Sub(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:329:27
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 Sub(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:330:21
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 Mul(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:330:24
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 Mul(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:330:27
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 Mul(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:331:21
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 Div(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:331:24
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 Div(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:331:27
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 Div(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:332:22
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 IDiv(a, b, c) => {}
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:332:25
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 IDiv(a, b, c) => {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:332:28
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 IDiv(a, b, c) => {}
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:333:21
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 Mod(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:333:24
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 Mod(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:333:27
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 Mod(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:334:21
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 Pow(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:334:24
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 Pow(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:334:27
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 Pow(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 BitAnd(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:335:27
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 BitAnd(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:335:30
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 BitAnd(a, b, c) => {}
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:336:23
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 BitOr(a, b, c) => {}
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:336:26
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 BitOr(a, b, c) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:336:29
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 BitOr(a, b, c) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:337:24
[INFO] [stdout]     |
[INFO] [stdout] 337 |                 BitXor(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:337:27
[INFO] [stdout]     |
[INFO] [stdout] 337 |                 BitXor(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:337:30
[INFO] [stdout]     |
[INFO] [stdout] 337 |                 BitXor(a, b, c) => {}
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:338:24
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 ShiftL(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:338:27
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 ShiftL(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:338:30
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 ShiftL(a, b, c) => {}
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:339:24
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 ShiftR(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:339:27
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 ShiftR(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:339:30
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 ShiftR(a, b, c) => {}
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:347:26
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:347:29
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:353:26
[INFO] [stdout]     |
[INFO] [stdout] 353 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:353:29
[INFO] [stdout]     |
[INFO] [stdout] 353 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operands`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:359:25
[INFO] [stdout]     |
[INFO] [stdout] 359 |                     let operands = vm!(R(a; count));
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:418:32
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 MarkToBeClosed(target) => {}
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:419:23
[INFO] [stdout]     |
[INFO] [stdout] 419 |                 Close(target) => {}
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:522:29
[INFO] [stdout]     |
[INFO] [stdout] 522 |                 TForPrepare(a, b) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:522:32
[INFO] [stdout]     |
[INFO] [stdout] 522 |                 TForPrepare(a, b) => {}
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:523:26
[INFO] [stdout]     |
[INFO] [stdout] 523 |                 TForLoop(a, b) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:523:29
[INFO] [stdout]     |
[INFO] [stdout] 523 |                 TForLoop(a, b) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:524:26
[INFO] [stdout]     |
[INFO] [stdout] 524 |                 TForCall(a, b) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:524:29
[INFO] [stdout]     |
[INFO] [stdout] 524 |                 TForCall(a, b) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ad`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:583:25
[INFO] [stdout]     |
[INFO] [stdout] 583 |                 CallSet(ad, func, narg) => {}
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_ad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:583:29
[INFO] [stdout]     |
[INFO] [stdout] 583 |                 CallSet(ad, func, narg) => {}
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `narg`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:583:35
[INFO] [stdout]     |
[INFO] [stdout] 583 |                 CallSet(ad, func, narg) => {}
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_narg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:584:26
[INFO] [stdout]     |
[INFO] [stdout] 584 |                 TailCall(a, b) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:584:29
[INFO] [stdout]     |
[INFO] [stdout] 584 |                 TailCall(a, b) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ad`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:669:24
[INFO] [stdout]     |
[INFO] [stdout] 669 |                 EqualK(ad, k) => todo!(),
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_ad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:669:28
[INFO] [stdout]     |
[INFO] [stdout] 669 |                 EqualK(ad, k) => todo!(),
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:161:31
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn execute(&mut self, ctx: &mut VMContext) -> Result<CoAction, DukaRuntimeError> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> backend/src/codegen/mod.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Constants(Vec<RuntimeValue>, HashMap<RuntimeValue, usize>);
[INFO] [stdout]    |        ---------                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Constants` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> backend/src/codegen/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Constants {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 18 |     fn add(&mut self, val: RuntimeValue) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `R` and `K` are never constructed
[INFO] [stdout]   --> backend/src/codegen/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum AllocIdx {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 33 |     R(usize),
[INFO] [stdout]    |     ^
[INFO] [stdout] 34 |     K(usize),
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AllocIdx` 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 `const_var`, `locals`, and `upvalues` are never read
[INFO] [stdout]   --> backend/src/codegen/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Scope {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 38 |     const_var: Vec<(String, usize)>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 39 |     locals: Vec<(String, AllocIdx)>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 40 |     upvalues: Vec<(String, AllocIdx)>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Scope` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `declare` and `find` are never used
[INFO] [stdout]   --> backend/src/codegen/mod.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Scope {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 43 |     fn declare(&mut self, name: String, alloc_pos: AllocIdx) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn find(&self, name: &str) -> Option<AllocIdx> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `current` and `find` are never used
[INFO] [stdout]   --> backend/src/codegen/mod.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl Scopes {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn current(&self) -> &Scope {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn find(&self, name: &str) -> Option<AllocIdx> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `top`, `free_list`, and `allocated` are never read
[INFO] [stdout]    --> backend/src/codegen/mod.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct AllocatorSnapshot {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] 102 |     top: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 103 |     free_list: Vec<usize>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 104 |     allocated: HashSet<usize>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AllocatorSnapshot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `alloc` and `free` are never used
[INFO] [stdout]    --> backend/src/codegen/mod.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Allocator {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn alloc(&mut self) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn free(&mut self, idx: usize) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load_const` is never used
[INFO] [stdout]    --> backend/src/codegen/mod.rs:276:8
[INFO] [stdout]     |
[INFO] [stdout] 275 | impl Generator {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 276 |     fn load_const(&mut self, val: RuntimeValue, a: Address) -> I {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `do_define`, `gen_proto`, and `do_const_val` are never used
[INFO] [stdout]    --> backend/src/codegen/mod.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 301 | impl Generator {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 363 |     fn do_define(&mut self) -> Result<(), DukaCodegenError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     fn gen_proto(&mut self, block: Block) -> Result<DukaProto, DukaCodegenError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 |     fn do_const_val(&mut self, val: ConstValue) -> Result<(), DukaCodegenError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Descriptor` is never used
[INFO] [stdout]  --> backend/src/codegen/descriptor.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Descriptor {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> backend/src/vm/mod.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn main(&self) -> GcCellRef<Coroutine> {
[INFO] [stdout]     |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn main(&self) -> GcCellRef<'_, Coroutine> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> backend/src/vm/mod.rs:200:21
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn main_mut(&self) -> GcCellRefMut<Coroutine> {
[INFO] [stdout]     |                     ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn main_mut(&self) -> GcCellRefMut<'_, Coroutine> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> backend/src/vm/mod.rs:208:20
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn current(&self) -> GcCellRef<Coroutine> {
[INFO] [stdout]     |                    ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn current(&self) -> GcCellRef<'_, Coroutine> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> backend/src/vm/mod.rs:215:24
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn current_mut(&self) -> GcCellRefMut<Coroutine> {
[INFO] [stdout]     |                        ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn current_mut(&self) -> GcCellRefMut<'_, Coroutine> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stdout] warning: unused imports: `Scheduler` and `VM`
[INFO] [stdout]  --> backend/src/vm/coroutine.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Bits25, CoAction, Scheduler, VM, VMContext,
[INFO] [stdout]   |                           ^^^^^^^^^  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> backend/src/codegen/mod.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 391 | /         match expr.0 {
[INFO] [stdout] 392 | |             ExprKind::Literal(val) => todo!(),
[INFO] [stdout] 393 | |             _ => todo!(),
[INFO] [stdout] 394 | |         }
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 395 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> backend/src/codegen/binary.rs:177:25
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn dl_read<T: Read>(input: &mut T) -> Result<Self, DukaDumpError> {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> backend/src/codegen/binary.rs:180:34
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn dl_write<T: Write>(&self, output: &mut T) -> Result<(), DukaDumpError> {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:328:31
[INFO] [stdout]     |
[INFO] [stdout] 328 |             StmtKind::Call(_, items) => todo!(),
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:333:30
[INFO] [stdout]     |
[INFO] [stdout] 333 |             StmtKind::Return(items) => self.do_return()?,
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:336:35
[INFO] [stdout]     |
[INFO] [stdout] 336 |             StmtKind::ForNumberic(path, _, _, _, block) => {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:341:34
[INFO] [stdout]     |
[INFO] [stdout] 341 |             StmtKind::ForGeneric(paths, items, block) => {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:341:41
[INFO] [stdout]     |
[INFO] [stdout] 341 |             StmtKind::ForGeneric(paths, items, block) => {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:351:26
[INFO] [stdout]     |
[INFO] [stdout] 351 |             StmtKind::Do(block) => todo!(),
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:352:30
[INFO] [stdout]     |
[INFO] [stdout] 352 |             StmtKind::Assign(paths, items) => todo!(),
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:352:37
[INFO] [stdout]     |
[INFO] [stdout] 352 |             StmtKind::Assign(paths, items) => todo!(),
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:353:32
[INFO] [stdout]     |
[INFO] [stdout] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:353:38
[INFO] [stdout]     |
[INFO] [stdout] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:353:54
[INFO] [stdout]     |
[INFO] [stdout] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stdout]     |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_global`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:353:70
[INFO] [stdout]     |
[INFO] [stdout] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stdout]     |                                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> backend/src/codegen/mod.rs:392:31
[INFO] [stdout]     |
[INFO] [stdout] 392 |             ExprKind::Literal(val) => todo!(),
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> backend/src/value.rs:268:36
[INFO] [stdout]     |
[INFO] [stdout] 268 |             ConstValue::ConstTable(t) => todo!(),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:328:21
[INFO] [stdout]     |
[INFO] [stdout] 328 |                 Add(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:328:24
[INFO] [stdout]     |
[INFO] [stdout] 328 |                 Add(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:328:27
[INFO] [stdout]     |
[INFO] [stdout] 328 |                 Add(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:329:21
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 Sub(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:329:24
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 Sub(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:329:27
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 Sub(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:330:21
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 Mul(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:330:24
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 Mul(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:330:27
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 Mul(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:331:21
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 Div(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:331:24
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 Div(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:331:27
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 Div(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:332:22
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 IDiv(a, b, c) => {}
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:332:25
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 IDiv(a, b, c) => {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:332:28
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 IDiv(a, b, c) => {}
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:333:21
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 Mod(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:333:24
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 Mod(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:333:27
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 Mod(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:334:21
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 Pow(a, b, c) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:334:24
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 Pow(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:334:27
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 Pow(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 BitAnd(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:335:27
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 BitAnd(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:335:30
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 BitAnd(a, b, c) => {}
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:336:23
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 BitOr(a, b, c) => {}
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:336:26
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 BitOr(a, b, c) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:336:29
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 BitOr(a, b, c) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:337:24
[INFO] [stdout]     |
[INFO] [stdout] 337 |                 BitXor(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:337:27
[INFO] [stdout]     |
[INFO] [stdout] 337 |                 BitXor(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:337:30
[INFO] [stdout]     |
[INFO] [stdout] 337 |                 BitXor(a, b, c) => {}
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:338:24
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 ShiftL(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:338:27
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 ShiftL(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:338:30
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 ShiftL(a, b, c) => {}
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:339:24
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 ShiftR(a, b, c) => {}
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:339:27
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 ShiftR(a, b, c) => {}
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:339:30
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 ShiftR(a, b, c) => {}
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:347:26
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:347:29
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:353:26
[INFO] [stdout]     |
[INFO] [stdout] 353 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:353:29
[INFO] [stdout]     |
[INFO] [stdout] 353 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operands`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:359:25
[INFO] [stdout]     |
[INFO] [stdout] 359 |                     let operands = vm!(R(a; count));
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:418:32
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 MarkToBeClosed(target) => {}
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:419:23
[INFO] [stdout]     |
[INFO] [stdout] 419 |                 Close(target) => {}
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:522:29
[INFO] [stdout]     |
[INFO] [stdout] 522 |                 TForPrepare(a, b) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:522:32
[INFO] [stdout]     |
[INFO] [stdout] 522 |                 TForPrepare(a, b) => {}
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:523:26
[INFO] [stdout]     |
[INFO] [stdout] 523 |                 TForLoop(a, b) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:523:29
[INFO] [stdout]     |
[INFO] [stdout] 523 |                 TForLoop(a, b) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:524:26
[INFO] [stdout]     |
[INFO] [stdout] 524 |                 TForCall(a, b) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:524:29
[INFO] [stdout]     |
[INFO] [stdout] 524 |                 TForCall(a, b) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ad`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:583:25
[INFO] [stdout]     |
[INFO] [stdout] 583 |                 CallSet(ad, func, narg) => {}
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_ad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:583:29
[INFO] [stdout]     |
[INFO] [stdout] 583 |                 CallSet(ad, func, narg) => {}
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `narg`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:583:35
[INFO] [stdout]     |
[INFO] [stdout] 583 |                 CallSet(ad, func, narg) => {}
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_narg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:584:26
[INFO] [stdout]     |
[INFO] [stdout] 584 |                 TailCall(a, b) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:584:29
[INFO] [stdout]     |
[INFO] [stdout] 584 |                 TailCall(a, b) => {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ad`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:669:24
[INFO] [stdout]     |
[INFO] [stdout] 669 |                 EqualK(ad, k) => todo!(),
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_ad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:669:28
[INFO] [stdout]     |
[INFO] [stdout] 669 |                 EqualK(ad, k) => todo!(),
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> backend/src/vm/coroutine.rs:161:31
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn execute(&mut self, ctx: &mut VMContext) -> Result<CoAction, DukaRuntimeError> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> backend/src/codegen/mod.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Constants(Vec<RuntimeValue>, HashMap<RuntimeValue, usize>);
[INFO] [stdout]    |        ---------                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Constants` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> backend/src/codegen/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Constants {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 18 |     fn add(&mut self, val: RuntimeValue) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `R` and `K` are never constructed
[INFO] [stdout]   --> backend/src/codegen/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum AllocIdx {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 33 |     R(usize),
[INFO] [stdout]    |     ^
[INFO] [stdout] 34 |     K(usize),
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AllocIdx` 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 `const_var`, `locals`, and `upvalues` are never read
[INFO] [stdout]   --> backend/src/codegen/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Scope {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 38 |     const_var: Vec<(String, usize)>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 39 |     locals: Vec<(String, AllocIdx)>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 40 |     upvalues: Vec<(String, AllocIdx)>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Scope` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `declare` and `find` are never used
[INFO] [stdout]   --> backend/src/codegen/mod.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Scope {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 43 |     fn declare(&mut self, name: String, alloc_pos: AllocIdx) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn find(&self, name: &str) -> Option<AllocIdx> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `current` and `find` are never used
[INFO] [stdout]   --> backend/src/codegen/mod.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl Scopes {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn current(&self) -> &Scope {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn find(&self, name: &str) -> Option<AllocIdx> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `top`, `free_list`, and `allocated` are never read
[INFO] [stdout]    --> backend/src/codegen/mod.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct AllocatorSnapshot {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] 102 |     top: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 103 |     free_list: Vec<usize>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 104 |     allocated: HashSet<usize>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AllocatorSnapshot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `alloc` and `free` are never used
[INFO] [stdout]    --> backend/src/codegen/mod.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Allocator {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn alloc(&mut self) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn free(&mut self, idx: usize) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load_const` is never used
[INFO] [stdout]    --> backend/src/codegen/mod.rs:276:8
[INFO] [stdout]     |
[INFO] [stdout] 275 | impl Generator {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 276 |     fn load_const(&mut self, val: RuntimeValue, a: Address) -> I {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `do_define`, `gen_proto`, and `do_const_val` are never used
[INFO] [stdout]    --> backend/src/codegen/mod.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 301 | impl Generator {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 363 |     fn do_define(&mut self) -> Result<(), DukaCodegenError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     fn gen_proto(&mut self, block: Block) -> Result<DukaProto, DukaCodegenError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 |     fn do_const_val(&mut self, val: ConstValue) -> Result<(), DukaCodegenError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Descriptor` is never used
[INFO] [stdout]  --> backend/src/codegen/descriptor.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Descriptor {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> backend/src/vm/mod.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn main(&self) -> GcCellRef<Coroutine> {
[INFO] [stdout]     |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn main(&self) -> GcCellRef<'_, Coroutine> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> backend/src/vm/mod.rs:200:21
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn main_mut(&self) -> GcCellRefMut<Coroutine> {
[INFO] [stdout]     |                     ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn main_mut(&self) -> GcCellRefMut<'_, Coroutine> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> backend/src/vm/mod.rs:208:20
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn current(&self) -> GcCellRef<Coroutine> {
[INFO] [stdout]     |                    ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn current(&self) -> GcCellRef<'_, Coroutine> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> backend/src/vm/mod.rs:215:24
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn current_mut(&self) -> GcCellRefMut<Coroutine> {
[INFO] [stdout]     |                        ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn current_mut(&self) -> GcCellRefMut<'_, Coroutine> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling duka-cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stdout] warning: unused import: `DukaLexer`
[INFO] [stdout]  --> cli/src/main.rs:9:53
[INFO] [stdout]   |
[INFO] [stdout] 9 | use duka_shared::types::{DukaAdapter, DukaAnalyzer, DukaLexer, DukaParser};
[INFO] [stdout]   |                                                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.6.0
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> frontend/src/parser.rs:516:13
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let name = self.must_ident()?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> frontend/src/parser.rs:525:13
[INFO] [stdout]     |
[INFO] [stdout] 525 |         let base = opt![
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `object_item` is never used
[INFO] [stdout]    --> frontend/src/parser.rs:535:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | impl<Lexer: DukaLexer<Token>> Parser<Token, Lexer> {
[INFO] [stdout]     | -------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 535 |     fn object_item(&mut self) -> Result<(), DukaSpannedError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> frontend/src/parser.rs:1479:19
[INFO] [stdout]      |
[INFO] [stdout] 1479 |     fn span_start(&mut self) -> Result<RefToken, DukaSpannedError> {
[INFO] [stdout]      |                   ^^^^^^^^^            -------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1479 |     fn span_start(&mut self) -> Result<RefToken<'_>, DukaSpannedError> {
[INFO] [stdout]      |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "d180789aa2faeaaeb66bfe49bf1d91fb3033552ce1c162863371f33b5bdb11d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d180789aa2faeaaeb66bfe49bf1d91fb3033552ce1c162863371f33b5bdb11d8", kill_on_drop: false }`
[INFO] [stdout] d180789aa2faeaaeb66bfe49bf1d91fb3033552ce1c162863371f33b5bdb11d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcc2fcf79adf9cbb86c0eed3aa01b36375c3e61191afaf785e8dd0cfb503d192
[INFO] running `Command { std: "docker" "start" "-a" "dcc2fcf79adf9cbb86c0eed3aa01b36375c3e61191afaf785e8dd0cfb503d192", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ItemFn`
[INFO] [stderr]  --> macros/src/lib.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | use syn::{DeriveInput, ItemFn, parse_macro_input};
[INFO] [stderr]   |                        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Data` and `DeriveInput`
[INFO] [stderr]  --> macros/src/history.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use syn::{Data, DeriveInput, Ident, LitStr, Token, parse::Parse};
[INFO] [stderr]   |           ^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `duka-macros` (lib) generated 2 warnings (run `cargo fix --lib -p duka-macros` to apply 2 suggestions)
[INFO] [stderr] warning: `duka-macros` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unused imports: `Scheduler` and `VM`
[INFO] [stderr]  --> backend/src/vm/coroutine.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 |         Bits25, CoAction, Scheduler, VM, VMContext,
[INFO] [stderr]   |                           ^^^^^^^^^  ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> backend/src/codegen/mod.rs:395:9
[INFO] [stderr]     |
[INFO] [stderr] 391 | /         match expr.0 {
[INFO] [stderr] 392 | |             ExprKind::Literal(val) => todo!(),
[INFO] [stderr] 393 | |             _ => todo!(),
[INFO] [stderr] 394 | |         }
[INFO] [stderr]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 395 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> backend/src/codegen/binary.rs:177:25
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn dl_read<T: Read>(input: &mut T) -> Result<Self, DukaDumpError> {
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> backend/src/codegen/binary.rs:180:34
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn dl_write<T: Write>(&self, output: &mut T) -> Result<(), DukaDumpError> {
[INFO] [stderr]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:328:31
[INFO] [stderr]     |
[INFO] [stderr] 328 |             StmtKind::Call(_, items) => todo!(),
[INFO] [stderr]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:333:30
[INFO] [stderr]     |
[INFO] [stderr] 333 |             StmtKind::Return(items) => self.do_return()?,
[INFO] [stderr]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:336:35
[INFO] [stderr]     |
[INFO] [stderr] 336 |             StmtKind::ForNumberic(path, _, _, _, block) => {
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `paths`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:341:34
[INFO] [stderr]     |
[INFO] [stderr] 341 |             StmtKind::ForGeneric(paths, items, block) => {
[INFO] [stderr]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:341:41
[INFO] [stderr]     |
[INFO] [stderr] 341 |             StmtKind::ForGeneric(paths, items, block) => {
[INFO] [stderr]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:351:26
[INFO] [stderr]     |
[INFO] [stderr] 351 |             StmtKind::Do(block) => todo!(),
[INFO] [stderr]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `paths`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:352:30
[INFO] [stderr]     |
[INFO] [stderr] 352 |             StmtKind::Assign(paths, items) => todo!(),
[INFO] [stderr]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:352:37
[INFO] [stderr]     |
[INFO] [stderr] 352 |             StmtKind::Assign(paths, items) => todo!(),
[INFO] [stderr]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:353:32
[INFO] [stderr]     |
[INFO] [stderr] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stderr]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:353:38
[INFO] [stderr]     |
[INFO] [stderr] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stderr]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:353:54
[INFO] [stderr]     |
[INFO] [stderr] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stderr]     |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_global`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:353:70
[INFO] [stderr]     |
[INFO] [stderr] 353 |             StmtKind::Function(path, attrs, FuncBody(params, block), is_global) => {
[INFO] [stderr]     |                                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_global`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> backend/src/codegen/mod.rs:392:31
[INFO] [stderr]     |
[INFO] [stderr] 392 |             ExprKind::Literal(val) => todo!(),
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> backend/src/value.rs:268:36
[INFO] [stderr]     |
[INFO] [stderr] 268 |             ConstValue::ConstTable(t) => todo!(),
[INFO] [stderr]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:328:21
[INFO] [stderr]     |
[INFO] [stderr] 328 |                 Add(a, b, c) => {}
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:328:24
[INFO] [stderr]     |
[INFO] [stderr] 328 |                 Add(a, b, c) => {}
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:328:27
[INFO] [stderr]     |
[INFO] [stderr] 328 |                 Add(a, b, c) => {}
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:329:21
[INFO] [stderr]     |
[INFO] [stderr] 329 |                 Sub(a, b, c) => {}
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:329:24
[INFO] [stderr]     |
[INFO] [stderr] 329 |                 Sub(a, b, c) => {}
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:329:27
[INFO] [stderr]     |
[INFO] [stderr] 329 |                 Sub(a, b, c) => {}
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:330:21
[INFO] [stderr]     |
[INFO] [stderr] 330 |                 Mul(a, b, c) => {}
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:330:24
[INFO] [stderr]     |
[INFO] [stderr] 330 |                 Mul(a, b, c) => {}
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:330:27
[INFO] [stderr]     |
[INFO] [stderr] 330 |                 Mul(a, b, c) => {}
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:331:21
[INFO] [stderr]     |
[INFO] [stderr] 331 |                 Div(a, b, c) => {}
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:331:24
[INFO] [stderr]     |
[INFO] [stderr] 331 |                 Div(a, b, c) => {}
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:331:27
[INFO] [stderr]     |
[INFO] [stderr] 331 |                 Div(a, b, c) => {}
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:332:22
[INFO] [stderr]     |
[INFO] [stderr] 332 |                 IDiv(a, b, c) => {}
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:332:25
[INFO] [stderr]     |
[INFO] [stderr] 332 |                 IDiv(a, b, c) => {}
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:332:28
[INFO] [stderr]     |
[INFO] [stderr] 332 |                 IDiv(a, b, c) => {}
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:333:21
[INFO] [stderr]     |
[INFO] [stderr] 333 |                 Mod(a, b, c) => {}
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:333:24
[INFO] [stderr]     |
[INFO] [stderr] 333 |                 Mod(a, b, c) => {}
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:333:27
[INFO] [stderr]     |
[INFO] [stderr] 333 |                 Mod(a, b, c) => {}
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:334:21
[INFO] [stderr]     |
[INFO] [stderr] 334 |                 Pow(a, b, c) => {}
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:334:24
[INFO] [stderr]     |
[INFO] [stderr] 334 |                 Pow(a, b, c) => {}
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:334:27
[INFO] [stderr]     |
[INFO] [stderr] 334 |                 Pow(a, b, c) => {}
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:335:24
[INFO] [stderr]     |
[INFO] [stderr] 335 |                 BitAnd(a, b, c) => {}
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:335:27
[INFO] [stderr]     |
[INFO] [stderr] 335 |                 BitAnd(a, b, c) => {}
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:335:30
[INFO] [stderr]     |
[INFO] [stderr] 335 |                 BitAnd(a, b, c) => {}
[INFO] [stderr]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:336:23
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 BitOr(a, b, c) => {}
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:336:26
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 BitOr(a, b, c) => {}
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:336:29
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 BitOr(a, b, c) => {}
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:337:24
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 BitXor(a, b, c) => {}
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:337:27
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 BitXor(a, b, c) => {}
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:337:30
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 BitXor(a, b, c) => {}
[INFO] [stderr]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:338:24
[INFO] [stderr]     |
[INFO] [stderr] 338 |                 ShiftL(a, b, c) => {}
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:338:27
[INFO] [stderr]     |
[INFO] [stderr] 338 |                 ShiftL(a, b, c) => {}
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:338:30
[INFO] [stderr]     |
[INFO] [stderr] 338 |                 ShiftL(a, b, c) => {}
[INFO] [stderr]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:339:24
[INFO] [stderr]     |
[INFO] [stderr] 339 |                 ShiftR(a, b, c) => {}
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:339:27
[INFO] [stderr]     |
[INFO] [stderr] 339 |                 ShiftR(a, b, c) => {}
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:339:30
[INFO] [stderr]     |
[INFO] [stderr] 339 |                 ShiftR(a, b, c) => {}
[INFO] [stderr]     |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:347:26
[INFO] [stderr]     |
[INFO] [stderr] 347 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:347:29
[INFO] [stderr]     |
[INFO] [stderr] 347 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:353:26
[INFO] [stderr]     |
[INFO] [stderr] 353 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:353:29
[INFO] [stderr]     |
[INFO] [stderr] 353 |                     let (a, b) = (vm!(R(a)), vm!(R(b)));
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `operands`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:359:25
[INFO] [stderr]     |
[INFO] [stderr] 359 |                     let operands = vm!(R(a; count));
[INFO] [stderr]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operands`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:418:32
[INFO] [stderr]     |
[INFO] [stderr] 418 |                 MarkToBeClosed(target) => {}
[INFO] [stderr]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:419:23
[INFO] [stderr]     |
[INFO] [stderr] 419 |                 Close(target) => {}
[INFO] [stderr]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:522:29
[INFO] [stderr]     |
[INFO] [stderr] 522 |                 TForPrepare(a, b) => {}
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:522:32
[INFO] [stderr]     |
[INFO] [stderr] 522 |                 TForPrepare(a, b) => {}
[INFO] [stderr]     |                                ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:523:26
[INFO] [stderr]     |
[INFO] [stderr] 523 |                 TForLoop(a, b) => {}
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:523:29
[INFO] [stderr]     |
[INFO] [stderr] 523 |                 TForLoop(a, b) => {}
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:524:26
[INFO] [stderr]     |
[INFO] [stderr] 524 |                 TForCall(a, b) => {}
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:524:29
[INFO] [stderr]     |
[INFO] [stderr] 524 |                 TForCall(a, b) => {}
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ad`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:583:25
[INFO] [stderr]     |
[INFO] [stderr] 583 |                 CallSet(ad, func, narg) => {}
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_ad`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:583:29
[INFO] [stderr]     |
[INFO] [stderr] 583 |                 CallSet(ad, func, narg) => {}
[INFO] [stderr]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `narg`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:583:35
[INFO] [stderr]     |
[INFO] [stderr] 583 |                 CallSet(ad, func, narg) => {}
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_narg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:584:26
[INFO] [stderr]     |
[INFO] [stderr] 584 |                 TailCall(a, b) => {}
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:584:29
[INFO] [stderr]     |
[INFO] [stderr] 584 |                 TailCall(a, b) => {}
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ad`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:669:24
[INFO] [stderr]     |
[INFO] [stderr] 669 |                 EqualK(ad, k) => todo!(),
[INFO] [stderr]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_ad`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:669:28
[INFO] [stderr]     |
[INFO] [stderr] 669 |                 EqualK(ad, k) => todo!(),
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> backend/src/vm/coroutine.rs:161:31
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn execute(&mut self, ctx: &mut VMContext) -> Result<CoAction, DukaRuntimeError> {
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> backend/src/codegen/mod.rs:16:37
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Constants(Vec<RuntimeValue>, HashMap<RuntimeValue, usize>);
[INFO] [stderr]    |        ---------                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `Constants` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `add` is never used
[INFO] [stderr]   --> backend/src/codegen/mod.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Constants {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] 18 |     fn add(&mut self, val: RuntimeValue) -> usize {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `R` and `K` are never constructed
[INFO] [stderr]   --> backend/src/codegen/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | enum AllocIdx {
[INFO] [stderr]    |      -------- variants in this enum
[INFO] [stderr] 33 |     R(usize),
[INFO] [stderr]    |     ^
[INFO] [stderr] 34 |     K(usize),
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AllocIdx` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `const_var`, `locals`, and `upvalues` are never read
[INFO] [stderr]   --> backend/src/codegen/mod.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | struct Scope {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] 38 |     const_var: Vec<(String, usize)>,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 39 |     locals: Vec<(String, AllocIdx)>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 40 |     upvalues: Vec<(String, AllocIdx)>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Scope` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `declare` and `find` are never used
[INFO] [stderr]   --> backend/src/codegen/mod.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | impl Scope {
[INFO] [stderr]    | ---------- methods in this implementation
[INFO] [stderr] 43 |     fn declare(&mut self, name: String, alloc_pos: AllocIdx) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     fn find(&self, name: &str) -> Option<AllocIdx> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `current` and `find` are never used
[INFO] [stderr]   --> backend/src/codegen/mod.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 65 | impl Scopes {
[INFO] [stderr]    | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 69 |     fn current(&self) -> &Scope {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 |     fn find(&self, name: &str) -> Option<AllocIdx> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `top`, `free_list`, and `allocated` are never read
[INFO] [stderr]    --> backend/src/codegen/mod.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 101 | struct AllocatorSnapshot {
[INFO] [stderr]     |        ----------------- fields in this struct
[INFO] [stderr] 102 |     top: usize,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 103 |     free_list: Vec<usize>,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 104 |     allocated: HashSet<usize>,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `AllocatorSnapshot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `alloc` and `free` are never used
[INFO] [stderr]    --> backend/src/codegen/mod.rs:124:8
[INFO] [stderr]     |
[INFO] [stderr] 107 | impl Allocator {
[INFO] [stderr]     | -------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 124 |     fn alloc(&mut self) -> usize {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 134 |     fn free(&mut self, idx: usize) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `load_const` is never used
[INFO] [stderr]    --> backend/src/codegen/mod.rs:276:8
[INFO] [stderr]     |
[INFO] [stderr] 275 | impl Generator {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] 276 |     fn load_const(&mut self, val: RuntimeValue, a: Address) -> I {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `do_define`, `gen_proto`, and `do_const_val` are never used
[INFO] [stderr]    --> backend/src/codegen/mod.rs:363:8
[INFO] [stderr]     |
[INFO] [stderr] 301 | impl Generator {
[INFO] [stderr]     | -------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 363 |     fn do_define(&mut self) -> Result<(), DukaCodegenError> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 374 |     fn gen_proto(&mut self, block: Block) -> Result<DukaProto, DukaCodegenError> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 397 |     fn do_const_val(&mut self, val: ConstValue) -> Result<(), DukaCodegenError> {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Descriptor` is never used
[INFO] [stderr]  --> backend/src/codegen/descriptor.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum Descriptor {
[INFO] [stderr]   |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> backend/src/vm/mod.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn main(&self) -> GcCellRef<Coroutine> {
[INFO] [stderr]     |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn main(&self) -> GcCellRef<'_, Coroutine> {
[INFO] [stderr]     |                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> backend/src/vm/mod.rs:200:21
[INFO] [stderr]     |
[INFO] [stderr] 200 |     pub fn main_mut(&self) -> GcCellRefMut<Coroutine> {
[INFO] [stderr]     |                     ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 200 |     pub fn main_mut(&self) -> GcCellRefMut<'_, Coroutine> {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> backend/src/vm/mod.rs:208:20
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn current(&self) -> GcCellRef<Coroutine> {
[INFO] [stderr]     |                    ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn current(&self) -> GcCellRef<'_, Coroutine> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> backend/src/vm/mod.rs:215:24
[INFO] [stderr]     |
[INFO] [stderr] 215 |     pub fn current_mut(&self) -> GcCellRefMut<Coroutine> {
[INFO] [stderr]     |                        ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 215 |     pub fn current_mut(&self) -> GcCellRefMut<'_, Coroutine> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> frontend/src/parser.rs:516:13
[INFO] [stderr]     |
[INFO] [stderr] 516 |         let name = self.must_ident()?;
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base`
[INFO] [stderr]    --> frontend/src/parser.rs:525:13
[INFO] [stderr]     |
[INFO] [stderr] 525 |         let base = opt![
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stderr] 
[INFO] [stderr] warning: method `object_item` is never used
[INFO] [stderr]    --> frontend/src/parser.rs:535:8
[INFO] [stderr]     |
[INFO] [stderr] 201 | impl<Lexer: DukaLexer<Token>> Parser<Token, Lexer> {
[INFO] [stderr]     | -------------------------------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 535 |     fn object_item(&mut self) -> Result<(), DukaSpannedError> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]     --> frontend/src/parser.rs:1479:19
[INFO] [stderr]      |
[INFO] [stderr] 1479 |     fn span_start(&mut self) -> Result<RefToken, DukaSpannedError> {
[INFO] [stderr]      |                   ^^^^^^^^^            -------- the lifetime gets resolved as `'_`
[INFO] [stderr]      |                   |
[INFO] [stderr]      |                   this lifetime flows to the output
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]      |
[INFO] [stderr] 1479 |     fn span_start(&mut self) -> Result<RefToken<'_>, DukaSpannedError> {
[INFO] [stderr]      |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `duka-backend` (lib) generated 90 warnings (run `cargo fix --lib -p duka-backend` to apply 1 suggestion)
[INFO] [stderr] warning: `duka-frontend` (lib) generated 4 warnings
[INFO] [stderr] warning: `duka-backend` (lib test) generated 90 warnings (90 duplicates)
[INFO] [stderr] warning: unused import: `DukaLexer`
[INFO] [stderr]  --> cli/src/main.rs:9:53
[INFO] [stderr]   |
[INFO] [stderr] 9 | use duka_shared::types::{DukaAdapter, DukaAnalyzer, DukaLexer, DukaParser};
[INFO] [stderr]   |                                                     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `duka-cli` (bin "duka-cli" test) generated 1 warning (run `cargo fix --bin "duka-cli" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `duka-frontend` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/duka_backend-a19bab7d05a7b052)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::instruction_macro_test ... ok
[INFO] [stdout] test tests::dumplings_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::dumplings_test stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::dumplings_test' panicked at backend/src/lib.rs:84:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [68, 85, 75, 65, 1, 0, 5, 1, 8, 8, 4]
[INFO] [stdout]  right: [68, 85, 75, 65, 1, 1, 0, 8, 8, 4]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x645b511c3192 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x645b511c3192 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x645b511c3192 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x645b511c3192 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x645b511e8223 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x645b511e8223 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x645b511c0373 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x645b511c0373 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x645b511c2fe2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x645b511c46fc - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x645b511c4552 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x645b5118c554 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x645b5118c554 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x645b511c50db - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x645b511c50db - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x645b511c4eaa - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x645b511c3689 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x645b511c4b3d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x645b511e6da0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x645b511e7007 - core::panicking::assert_failed_inner::h02e1528dd7bc6647
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x645b51152a95 - core::panicking::assert_failed::hf42887d9306a4b2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x645b511523d2 - duka_backend::tests::dumplings_test::h17f110f9cbb5fb38
[INFO] [stdout]                                at /opt/rustwide/workdir/backend/src/lib.rs:84:9
[INFO] [stdout]   22:     0x645b51152806 - duka_backend::tests::dumplings_test::{{closure}}::h44ebe2a321ba3eba
[INFO] [stdout]                                at /opt/rustwide/workdir/backend/src/lib.rs:76:28
[INFO] [stdout]   23:     0x645b51152806 - core::ops::function::FnOnce::call_once::h0d720035f5af4204
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x645b51191cdb - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x645b51191cdb - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x645b51190ece - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x645b51190ece - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x645b51190ece - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x645b51190ece - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x645b51190ece - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x645b51190ece - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x645b51190ece - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x645b51154a44 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x645b51154a44 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x645b5115841a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x645b5115841a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x645b5115841a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x645b5115841a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x645b5115841a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x645b5115841a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x645b5115841a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x645b511c8037 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x645b511c8037 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x645b511c8037 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7d3a58683aa4 - <unknown>
[INFO] [stdout]   46:     0x7d3a58710a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::dumplings_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p duka-backend --lib`
[INFO] running `Command { std: "docker" "inspect" "dcc2fcf79adf9cbb86c0eed3aa01b36375c3e61191afaf785e8dd0cfb503d192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc2fcf79adf9cbb86c0eed3aa01b36375c3e61191afaf785e8dd0cfb503d192", kill_on_drop: false }`
[INFO] [stdout] dcc2fcf79adf9cbb86c0eed3aa01b36375c3e61191afaf785e8dd0cfb503d192
