[INFO] cloning repository https://github.com/Willvillegas/Triangle-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Willvillegas/Triangle-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWillvillegas%2FTriangle-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWillvillegas%2FTriangle-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ade607ed281c9d74994a5636c1c888c2f4e83b06
[INFO] testing Willvillegas/Triangle-rs against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWillvillegas%2FTriangle-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Willvillegas/Triangle-rs on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Willvillegas/Triangle-rs
[INFO] finished tweaking git repo https://github.com/Willvillegas/Triangle-rs
[INFO] tweaked toml for git repo https://github.com/Willvillegas/Triangle-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Willvillegas/Triangle-rs 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" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8ea77818364e31e361338d128b390dcf23efd297bdbbc428397f472db41e159
[INFO] running `Command { std: "docker" "start" "-a" "e8ea77818364e31e361338d128b390dcf23efd297bdbbc428397f472db41e159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8ea77818364e31e361338d128b390dcf23efd297bdbbc428397f472db41e159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ea77818364e31e361338d128b390dcf23efd297bdbbc428397f472db41e159", kill_on_drop: false }`
[INFO] [stdout] e8ea77818364e31e361338d128b390dcf23efd297bdbbc428397f472db41e159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 929f03fb30354594f4f22409635c872c1c710038e45d101068a90d0d84f0f90d
[INFO] running `Command { std: "docker" "start" "-a" "929f03fb30354594f4f22409635c872c1c710038e45d101068a90d0d84f0f90d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling triangle-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/checker/mod.rs:155:39
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn visit_empty_command(&mut self, cmd: &mut EmptyCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:155:68
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn visit_empty_command(&mut self, cmd: &mut EmptyCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/checker/mod.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn visit_assign_command(&mut self, cmd: &mut AssignCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:161:70
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn visit_assign_command(&mut self, cmd: &mut AssignCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:192:64
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn visit_let_command(&mut self, cmd: &mut LetCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/checker/mod.rs:200:36
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn visit_if_command(&mut self, cmd: &mut IfCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:200:62
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn visit_if_command(&mut self, cmd: &mut IfCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/checker/mod.rs:204:39
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn visit_while_command(&mut self, cmd: &mut WhileCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:204:68
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn visit_while_command(&mut self, cmd: &mut WhileCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         expr: &mut EmptyExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         expr: &mut CharacterExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |         expr: &mut VnameExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:259:40
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn visit_let_expression(&mut self, expr: &mut LetExpressionState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:259:71
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn visit_let_expression(&mut self, expr: &mut LetExpressionState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         expr: &mut CallExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:271:39
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn visit_if_expression(&mut self, expr: &mut IfExpressionState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:271:69
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn visit_if_expression(&mut self, expr: &mut IfExpressionState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |         expr: &mut UnaryExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:285:9
[INFO] [stdout]     |
[INFO] [stdout] 285 |         expr: &mut BinaryExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |         expr: &mut ArrayExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |         expr: &mut RecordExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agg`
[INFO] [stdout]    --> src/checker/mod.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 309 |         agg: &mut SingleArrayAggregateState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agg`
[INFO] [stdout]    --> src/checker/mod.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         agg: &mut MultipleArrayAggregateState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agg`
[INFO] [stdout]    --> src/checker/mod.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         agg: &mut SingleRecordAggregateState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agg`
[INFO] [stdout]    --> src/checker/mod.rs:333:9
[INFO] [stdout]     |
[INFO] [stdout] 333 |         agg: &mut MultipleRecordAggregateState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:334:9
[INFO] [stdout]     |
[INFO] [stdout] 334 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |         decl: &mut ConstDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |         decl: &mut ProcDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |         decl: &mut FuncDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |         decl: &mut TypeDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:380:9
[INFO] [stdout]     |
[INFO] [stdout] 380 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         decl: &mut UnaryOperatorDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |         decl: &mut BinaryOperatorDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 396 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:405:9
[INFO] [stdout]     |
[INFO] [stdout] 405 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:414:9
[INFO] [stdout]     |
[INFO] [stdout] 414 |         td: &mut AnyTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:415:9
[INFO] [stdout]     |
[INFO] [stdout] 415 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:422:9
[INFO] [stdout]     |
[INFO] [stdout] 422 |         td: &mut ErrorTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:423:9
[INFO] [stdout]     |
[INFO] [stdout] 423 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:430:9
[INFO] [stdout]     |
[INFO] [stdout] 430 |         td: &mut BoolTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:431:9
[INFO] [stdout]     |
[INFO] [stdout] 431 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:438:9
[INFO] [stdout]     |
[INFO] [stdout] 438 |         td: &mut CharTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:439:9
[INFO] [stdout]     |
[INFO] [stdout] 439 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:446:9
[INFO] [stdout]     |
[INFO] [stdout] 446 |         td: &mut IntTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 454 |         td: &mut ArrayTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:462:9
[INFO] [stdout]     |
[INFO] [stdout] 462 |         td: &mut SimpleTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:463:9
[INFO] [stdout]     |
[INFO] [stdout] 463 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |         td: &mut SingleFieldTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |         td: &mut MultipleFieldTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         td: &mut RecordTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/checker/mod.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 494 |         fps: &mut EmptyFormalParameterSequenceState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/checker/mod.rs:502:9
[INFO] [stdout]     |
[INFO] [stdout] 502 |         fps: &mut SingleFormalParameterSequenceState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:503:9
[INFO] [stdout]     |
[INFO] [stdout] 503 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/checker/mod.rs:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |         fps: &mut MultipleFormalParameterSequenceState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:511:9
[INFO] [stdout]     |
[INFO] [stdout] 511 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]    --> src/checker/mod.rs:518:9
[INFO] [stdout]     |
[INFO] [stdout] 518 |         fp: &mut ConstFormalParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:519:9
[INFO] [stdout]     |
[INFO] [stdout] 519 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]    --> src/checker/mod.rs:526:9
[INFO] [stdout]     |
[INFO] [stdout] 526 |         fp: &mut VarFormalParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:527:9
[INFO] [stdout]     |
[INFO] [stdout] 527 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]    --> src/checker/mod.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 |         fp: &mut ProcFormalParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:535:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]    --> src/checker/mod.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 |         fp: &mut FuncFormalParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:543:9
[INFO] [stdout]     |
[INFO] [stdout] 543 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aps`
[INFO] [stdout]    --> src/checker/mod.rs:550:9
[INFO] [stdout]     |
[INFO] [stdout] 550 |         aps: &mut EmptyActualParameterSequenceState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_aps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]    --> src/checker/mod.rs:647:9
[INFO] [stdout]     |
[INFO] [stdout] 647 |         ap: &mut VarActualParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:648:9
[INFO] [stdout]     |
[INFO] [stdout] 648 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]    --> src/checker/mod.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         ap: &mut ProcActualParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:656:9
[INFO] [stdout]     |
[INFO] [stdout] 656 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]    --> src/checker/mod.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |         ap: &mut FuncActualParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:664:9
[INFO] [stdout]     |
[INFO] [stdout] 664 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vname`
[INFO] [stdout]    --> src/checker/mod.rs:669:38
[INFO] [stdout]     |
[INFO] [stdout] 669 |     fn visit_simple_vname(&mut self, vname: &mut SimpleVnameState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_vname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:669:68
[INFO] [stdout]     |
[INFO] [stdout] 669 |     fn visit_simple_vname(&mut self, vname: &mut SimpleVnameState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vname`
[INFO] [stdout]    --> src/checker/mod.rs:673:35
[INFO] [stdout]     |
[INFO] [stdout] 673 |     fn visit_dot_vname(&mut self, vname: &mut DotVnameState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_vname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:673:62
[INFO] [stdout]     |
[INFO] [stdout] 673 |     fn visit_dot_vname(&mut self, vname: &mut DotVnameState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vname`
[INFO] [stdout]    --> src/checker/mod.rs:679:9
[INFO] [stdout]     |
[INFO] [stdout] 679 |         vname: &mut SubscriptVnameState,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_vname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:680:9
[INFO] [stdout]     |
[INFO] [stdout] 680 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:685:57
[INFO] [stdout]     |
[INFO] [stdout] 685 |     fn visit_identifier(&mut self, id: &mut Identifier, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `il`
[INFO] [stdout]    --> src/checker/mod.rs:694:41
[INFO] [stdout]     |
[INFO] [stdout] 694 |     fn visit_integer_literal(&mut self, il: &mut IntegerLiteral, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                         ^^ help: if this is intentional, prefix it with an underscore: `_il`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:694:66
[INFO] [stdout]     |
[INFO] [stdout] 694 |     fn visit_integer_literal(&mut self, il: &mut IntegerLiteral, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cl`
[INFO] [stdout]    --> src/checker/mod.rs:700:43
[INFO] [stdout]     |
[INFO] [stdout] 700 |     fn visit_character_literal(&mut self, cl: &mut CharacterLiteral, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_cl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:700:70
[INFO] [stdout]     |
[INFO] [stdout] 700 |     fn visit_character_literal(&mut self, cl: &mut CharacterLiteral, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/checker/mod.rs:706:34
[INFO] [stdout]     |
[INFO] [stdout] 706 |     fn visit_operator(&mut self, op: &mut Operator, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:706:53
[INFO] [stdout]     |
[INFO] [stdout] 706 |     fn visit_operator(&mut self, op: &mut Operator, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `address` are never read
[INFO] [stdout]   --> src/ast/runtime_entities.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct UnknownAddressState {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 52 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 53 |     address: EntityAddress,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnknownAddressState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `value` are never read
[INFO] [stdout]   --> src/ast/runtime_entities.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct KnownValueState {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 67 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 68 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KnownValueState` 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 `size` and `address` are never read
[INFO] [stdout]   --> src/ast/runtime_entities.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct UnknownValueState {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 79 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 80 |     address: EntityAddress,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnknownValueState` 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 `size` and `address` are never read
[INFO] [stdout]   --> src/ast/runtime_entities.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct KnownRoutineState {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 94 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 95 |     address: EntityAddress,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KnownRoutineState` 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 `size` and `address` are never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct UnknownRoutineState {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] 109 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 110 |     address: EntityAddress,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UnknownRoutineState` 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 `size` and `displacement` are never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct PrimitiveRoutineState {
[INFO] [stdout]     |            --------------------- fields in this struct
[INFO] [stdout] 124 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 125 |     displacement: isize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrimitiveRoutineState` 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 `size` and `displacement` are never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct EqualityRoutineState {
[INFO] [stdout]     |            -------------------- fields in this struct
[INFO] [stdout] 136 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 137 |     displacement: isize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EqualityRoutineState` 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 `size` and `offset` are never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct FieldState {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 148 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 149 |     offset: isize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct TypeRepresentationState {
[INFO] [stdout]     |            ----------------------- field in this struct
[INFO] [stdout] 160 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeRepresentationState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.35s
[INFO] running `Command { std: "docker" "inspect" "929f03fb30354594f4f22409635c872c1c710038e45d101068a90d0d84f0f90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929f03fb30354594f4f22409635c872c1c710038e45d101068a90d0d84f0f90d", kill_on_drop: false }`
[INFO] [stdout] 929f03fb30354594f4f22409635c872c1c710038e45d101068a90d0d84f0f90d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9d4a37c45a83e5b5876e631aa3fe7e3da8549e4d812d97d42c7053cdfe4776e
[INFO] running `Command { std: "docker" "start" "-a" "f9d4a37c45a83e5b5876e631aa3fe7e3da8549e4d812d97d42c7053cdfe4776e", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/checker/mod.rs:155:39
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn visit_empty_command(&mut self, cmd: &mut EmptyCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:155:68
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn visit_empty_command(&mut self, cmd: &mut EmptyCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/checker/mod.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn visit_assign_command(&mut self, cmd: &mut AssignCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:161:70
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn visit_assign_command(&mut self, cmd: &mut AssignCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:192:64
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn visit_let_command(&mut self, cmd: &mut LetCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/checker/mod.rs:200:36
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn visit_if_command(&mut self, cmd: &mut IfCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:200:62
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn visit_if_command(&mut self, cmd: &mut IfCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/checker/mod.rs:204:39
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn visit_while_command(&mut self, cmd: &mut WhileCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:204:68
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn visit_while_command(&mut self, cmd: &mut WhileCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         expr: &mut EmptyExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         expr: &mut CharacterExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |         expr: &mut VnameExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:259:40
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn visit_let_expression(&mut self, expr: &mut LetExpressionState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:259:71
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn visit_let_expression(&mut self, expr: &mut LetExpressionState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         expr: &mut CallExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:271:39
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn visit_if_expression(&mut self, expr: &mut IfExpressionState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:271:69
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn visit_if_expression(&mut self, expr: &mut IfExpressionState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |         expr: &mut UnaryExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:285:9
[INFO] [stdout]     |
[INFO] [stdout] 285 |         expr: &mut BinaryExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |         expr: &mut ArrayExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |         expr: &mut RecordExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agg`
[INFO] [stdout]    --> src/checker/mod.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 309 |         agg: &mut SingleArrayAggregateState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agg`
[INFO] [stdout]    --> src/checker/mod.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         agg: &mut MultipleArrayAggregateState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agg`
[INFO] [stdout]    --> src/checker/mod.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         agg: &mut SingleRecordAggregateState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agg`
[INFO] [stdout]    --> src/checker/mod.rs:333:9
[INFO] [stdout]     |
[INFO] [stdout] 333 |         agg: &mut MultipleRecordAggregateState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:334:9
[INFO] [stdout]     |
[INFO] [stdout] 334 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |         decl: &mut ConstDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |         decl: &mut ProcDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |         decl: &mut FuncDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |         decl: &mut TypeDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:380:9
[INFO] [stdout]     |
[INFO] [stdout] 380 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         decl: &mut UnaryOperatorDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |         decl: &mut BinaryOperatorDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 396 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:405:9
[INFO] [stdout]     |
[INFO] [stdout] 405 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:414:9
[INFO] [stdout]     |
[INFO] [stdout] 414 |         td: &mut AnyTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:415:9
[INFO] [stdout]     |
[INFO] [stdout] 415 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:422:9
[INFO] [stdout]     |
[INFO] [stdout] 422 |         td: &mut ErrorTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:423:9
[INFO] [stdout]     |
[INFO] [stdout] 423 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:430:9
[INFO] [stdout]     |
[INFO] [stdout] 430 |         td: &mut BoolTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:431:9
[INFO] [stdout]     |
[INFO] [stdout] 431 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:438:9
[INFO] [stdout]     |
[INFO] [stdout] 438 |         td: &mut CharTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:439:9
[INFO] [stdout]     |
[INFO] [stdout] 439 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:446:9
[INFO] [stdout]     |
[INFO] [stdout] 446 |         td: &mut IntTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 454 |         td: &mut ArrayTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:462:9
[INFO] [stdout]     |
[INFO] [stdout] 462 |         td: &mut SimpleTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:463:9
[INFO] [stdout]     |
[INFO] [stdout] 463 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |         td: &mut SingleFieldTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |         td: &mut MultipleFieldTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         td: &mut RecordTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/checker/mod.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 494 |         fps: &mut EmptyFormalParameterSequenceState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/checker/mod.rs:502:9
[INFO] [stdout]     |
[INFO] [stdout] 502 |         fps: &mut SingleFormalParameterSequenceState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:503:9
[INFO] [stdout]     |
[INFO] [stdout] 503 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/checker/mod.rs:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |         fps: &mut MultipleFormalParameterSequenceState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:511:9
[INFO] [stdout]     |
[INFO] [stdout] 511 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]    --> src/checker/mod.rs:518:9
[INFO] [stdout]     |
[INFO] [stdout] 518 |         fp: &mut ConstFormalParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:519:9
[INFO] [stdout]     |
[INFO] [stdout] 519 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]    --> src/checker/mod.rs:526:9
[INFO] [stdout]     |
[INFO] [stdout] 526 |         fp: &mut VarFormalParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:527:9
[INFO] [stdout]     |
[INFO] [stdout] 527 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]    --> src/checker/mod.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 |         fp: &mut ProcFormalParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:535:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]    --> src/checker/mod.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 |         fp: &mut FuncFormalParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:543:9
[INFO] [stdout]     |
[INFO] [stdout] 543 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aps`
[INFO] [stdout]    --> src/checker/mod.rs:550:9
[INFO] [stdout]     |
[INFO] [stdout] 550 |         aps: &mut EmptyActualParameterSequenceState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_aps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]    --> src/checker/mod.rs:647:9
[INFO] [stdout]     |
[INFO] [stdout] 647 |         ap: &mut VarActualParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:648:9
[INFO] [stdout]     |
[INFO] [stdout] 648 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]    --> src/checker/mod.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         ap: &mut ProcActualParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:656:9
[INFO] [stdout]     |
[INFO] [stdout] 656 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]    --> src/checker/mod.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |         ap: &mut FuncActualParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:664:9
[INFO] [stdout]     |
[INFO] [stdout] 664 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vname`
[INFO] [stdout]    --> src/checker/mod.rs:669:38
[INFO] [stdout]     |
[INFO] [stdout] 669 |     fn visit_simple_vname(&mut self, vname: &mut SimpleVnameState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_vname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:669:68
[INFO] [stdout]     |
[INFO] [stdout] 669 |     fn visit_simple_vname(&mut self, vname: &mut SimpleVnameState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vname`
[INFO] [stdout]    --> src/checker/mod.rs:673:35
[INFO] [stdout]     |
[INFO] [stdout] 673 |     fn visit_dot_vname(&mut self, vname: &mut DotVnameState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_vname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:673:62
[INFO] [stdout]     |
[INFO] [stdout] 673 |     fn visit_dot_vname(&mut self, vname: &mut DotVnameState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vname`
[INFO] [stdout]    --> src/checker/mod.rs:679:9
[INFO] [stdout]     |
[INFO] [stdout] 679 |         vname: &mut SubscriptVnameState,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_vname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:680:9
[INFO] [stdout]     |
[INFO] [stdout] 680 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:685:57
[INFO] [stdout]     |
[INFO] [stdout] 685 |     fn visit_identifier(&mut self, id: &mut Identifier, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `il`
[INFO] [stdout]    --> src/checker/mod.rs:694:41
[INFO] [stdout]     |
[INFO] [stdout] 694 |     fn visit_integer_literal(&mut self, il: &mut IntegerLiteral, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                         ^^ help: if this is intentional, prefix it with an underscore: `_il`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:694:66
[INFO] [stdout]     |
[INFO] [stdout] 694 |     fn visit_integer_literal(&mut self, il: &mut IntegerLiteral, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cl`
[INFO] [stdout]    --> src/checker/mod.rs:700:43
[INFO] [stdout]     |
[INFO] [stdout] 700 |     fn visit_character_literal(&mut self, cl: &mut CharacterLiteral, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_cl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:700:70
[INFO] [stdout]     |
[INFO] [stdout] 700 |     fn visit_character_literal(&mut self, cl: &mut CharacterLiteral, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/checker/mod.rs:706:34
[INFO] [stdout]     |
[INFO] [stdout] 706 |     fn visit_operator(&mut self, op: &mut Operator, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:706:53
[INFO] [stdout]     |
[INFO] [stdout] 706 |     fn visit_operator(&mut self, op: &mut Operator, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `address` are never read
[INFO] [stdout]   --> src/ast/runtime_entities.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct UnknownAddressState {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 52 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 53 |     address: EntityAddress,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnknownAddressState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling triangle-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `size` and `value` are never read
[INFO] [stdout]   --> src/ast/runtime_entities.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct KnownValueState {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 67 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 68 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KnownValueState` 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 `size` and `address` are never read
[INFO] [stdout]   --> src/ast/runtime_entities.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct UnknownValueState {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 79 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 80 |     address: EntityAddress,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnknownValueState` 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 `size` and `address` are never read
[INFO] [stdout]   --> src/ast/runtime_entities.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct KnownRoutineState {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 94 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 95 |     address: EntityAddress,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KnownRoutineState` 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 `size` and `address` are never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct UnknownRoutineState {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] 109 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 110 |     address: EntityAddress,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UnknownRoutineState` 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 `size` and `displacement` are never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct PrimitiveRoutineState {
[INFO] [stdout]     |            --------------------- fields in this struct
[INFO] [stdout] 124 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 125 |     displacement: isize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrimitiveRoutineState` 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 `size` and `displacement` are never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct EqualityRoutineState {
[INFO] [stdout]     |            -------------------- fields in this struct
[INFO] [stdout] 136 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 137 |     displacement: isize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EqualityRoutineState` 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 `size` and `offset` are never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct FieldState {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 148 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 149 |     offset: isize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct TypeRepresentationState {
[INFO] [stdout]     |            ----------------------- field in this struct
[INFO] [stdout] 160 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeRepresentationState` 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: unused import: `triangle_rs::ast::aggregates::ArrayAggregate::*`
[INFO] [stdout]  --> tests/checker_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::aggregates::ArrayAggregate::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::aggregates::RecordAggregate::*`
[INFO] [stdout]  --> tests/checker_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use triangle_rs::ast::aggregates::RecordAggregate::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::aggregates::*`
[INFO] [stdout]  --> tests/checker_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use triangle_rs::ast::aggregates::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::commands::Command::*`
[INFO] [stdout]  --> tests/checker_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use triangle_rs::ast::commands::Command::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::commands::*`
[INFO] [stdout]  --> tests/checker_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use triangle_rs::ast::commands::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::declarations::Declaration::*`
[INFO] [stdout]  --> tests/checker_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use triangle_rs::ast::declarations::Declaration::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::declarations::*`
[INFO] [stdout]  --> tests/checker_test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use triangle_rs::ast::declarations::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::expressions::Expression::*`
[INFO] [stdout]  --> tests/checker_test.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use triangle_rs::ast::expressions::Expression::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::expressions::*`
[INFO] [stdout]  --> tests/checker_test.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use triangle_rs::ast::expressions::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::parameters::ActualParameter::*`
[INFO] [stdout]   --> tests/checker_test.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use triangle_rs::ast::parameters::ActualParameter::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::parameters::ActualParameterSequence::*`
[INFO] [stdout]   --> tests/checker_test.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use triangle_rs::ast::parameters::ActualParameterSequence::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::parameters::FormalParameter::*`
[INFO] [stdout]   --> tests/checker_test.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use triangle_rs::ast::parameters::FormalParameter::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::parameters::FormalParameterSequence::*`
[INFO] [stdout]   --> tests/checker_test.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use triangle_rs::ast::parameters::FormalParameterSequence::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::parameters::*`
[INFO] [stdout]   --> tests/checker_test.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use triangle_rs::ast::parameters::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::primitives::*`
[INFO] [stdout]   --> tests/checker_test.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use triangle_rs::ast::primitives::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::typedenoters::FieldTypeDenoter::*`
[INFO] [stdout]   --> tests/checker_test.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use triangle_rs::ast::typedenoters::FieldTypeDenoter::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::typedenoters::TypeDenoter::*`
[INFO] [stdout]   --> tests/checker_test.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use triangle_rs::ast::typedenoters::TypeDenoter::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::typedenoters::*`
[INFO] [stdout]   --> tests/checker_test.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use triangle_rs::ast::typedenoters::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::vnames::Vname::*`
[INFO] [stdout]   --> tests/checker_test.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use triangle_rs::ast::vnames::Vname::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::vnames::*`
[INFO] [stdout]   --> tests/checker_test.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use triangle_rs::ast::vnames::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::*`
[INFO] [stdout]   --> tests/checker_test.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use triangle_rs::ast::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::parameters::ActualParameter::*`
[INFO] [stdout]  --> tests/checkers/hello_checker.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use triangle_rs::ast::parameters::ActualParameter::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::parameters::ActualParameterSequence::*`
[INFO] [stdout]  --> tests/checkers/hello_checker.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use triangle_rs::ast::parameters::ActualParameterSequence::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::commands::*`
[INFO] [stdout]  --> tests/checkers/inc_checker.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::commands::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::expressions::*`
[INFO] [stdout]  --> tests/checkers/inc_checker.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use triangle_rs::ast::expressions::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::parameters::ActualParameter::*`
[INFO] [stdout]  --> tests/checkers/inc_checker.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use triangle_rs::ast::parameters::ActualParameter::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::parameters::ActualParameterSequence::*`
[INFO] [stdout]  --> tests/checkers/inc_checker.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use triangle_rs::ast::parameters::ActualParameterSequence::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::ast::parameters::*`
[INFO] [stdout]  --> tests/checkers/inc_checker.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use triangle_rs::ast::parameters::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `triangle_rs::checker::std_env::STANDARD_ENVIRONMENT`
[INFO] [stdout]  --> tests/checkers/inc_checker.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use triangle_rs::checker::std_env::STANDARD_ENVIRONMENT;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/capitalise_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/date_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/dates_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/echo_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/emptycommandeot_checker.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn check(program: &Program) -> bool {
[INFO] [stdout]   |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/emptycommandsemicolon_checker.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn check(program: &Program) -> bool {
[INFO] [stdout]   |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/eqnoteq_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/factorial_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/freq_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/inc_checker.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn check(program: &Program) -> bool {
[INFO] [stdout]   |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/insertion_sort_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/iteratively_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/leapyear_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/line_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/monthsofyear_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/nestedarrays_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/nestedrecords_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/odd_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/power_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/print_array_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/rationals_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/record_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/reverse_line_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/string_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> tests/checkers/sum_proc_checker.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stdout]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> tests/checker_test.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/checker_test.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> tests/checker_test.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/checker_test.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> tests/checker_test.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/checker_test.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> tests/checker_test.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/checker_test.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> tests/checker_test.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/checker_test.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> tests/checker_test.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/checker_test.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/checker/std_env.rs:499:27
[INFO] [stdout]     |
[INFO] [stdout] 499 |         println!("{:#?}", unsafe { STANDARD_ENVIRONMENT.lock().unwrap() });
[INFO] [stdout]     |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/checker/mod.rs:155:39
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn visit_empty_command(&mut self, cmd: &mut EmptyCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:155:68
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn visit_empty_command(&mut self, cmd: &mut EmptyCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/checker/mod.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn visit_assign_command(&mut self, cmd: &mut AssignCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:161:70
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn visit_assign_command(&mut self, cmd: &mut AssignCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:192:64
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn visit_let_command(&mut self, cmd: &mut LetCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/checker/mod.rs:200:36
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn visit_if_command(&mut self, cmd: &mut IfCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:200:62
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn visit_if_command(&mut self, cmd: &mut IfCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/checker/mod.rs:204:39
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn visit_while_command(&mut self, cmd: &mut WhileCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:204:68
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn visit_while_command(&mut self, cmd: &mut WhileCommandState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         expr: &mut EmptyExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         expr: &mut CharacterExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |         expr: &mut VnameExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:259:40
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn visit_let_expression(&mut self, expr: &mut LetExpressionState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:259:71
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn visit_let_expression(&mut self, expr: &mut LetExpressionState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         expr: &mut CallExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:271:39
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn visit_if_expression(&mut self, expr: &mut IfExpressionState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:271:69
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn visit_if_expression(&mut self, expr: &mut IfExpressionState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |         expr: &mut UnaryExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:285:9
[INFO] [stdout]     |
[INFO] [stdout] 285 |         expr: &mut BinaryExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |         expr: &mut ArrayExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/checker/mod.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |         expr: &mut RecordExpressionState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agg`
[INFO] [stdout]    --> src/checker/mod.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 309 |         agg: &mut SingleArrayAggregateState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agg`
[INFO] [stdout]    --> src/checker/mod.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         agg: &mut MultipleArrayAggregateState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agg`
[INFO] [stdout]    --> src/checker/mod.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         agg: &mut SingleRecordAggregateState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agg`
[INFO] [stdout]    --> src/checker/mod.rs:333:9
[INFO] [stdout]     |
[INFO] [stdout] 333 |         agg: &mut MultipleRecordAggregateState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:334:9
[INFO] [stdout]     |
[INFO] [stdout] 334 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |         decl: &mut ConstDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |         decl: &mut ProcDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |         decl: &mut FuncDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |         decl: &mut TypeDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:380:9
[INFO] [stdout]     |
[INFO] [stdout] 380 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         decl: &mut UnaryOperatorDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decl`
[INFO] [stdout]    --> src/checker/mod.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |         decl: &mut BinaryOperatorDeclarationState,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 396 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:405:9
[INFO] [stdout]     |
[INFO] [stdout] 405 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:414:9
[INFO] [stdout]     |
[INFO] [stdout] 414 |         td: &mut AnyTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:415:9
[INFO] [stdout]     |
[INFO] [stdout] 415 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:422:9
[INFO] [stdout]     |
[INFO] [stdout] 422 |         td: &mut ErrorTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:423:9
[INFO] [stdout]     |
[INFO] [stdout] 423 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:430:9
[INFO] [stdout]     |
[INFO] [stdout] 430 |         td: &mut BoolTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:431:9
[INFO] [stdout]     |
[INFO] [stdout] 431 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:438:9
[INFO] [stdout]     |
[INFO] [stdout] 438 |         td: &mut CharTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:439:9
[INFO] [stdout]     |
[INFO] [stdout] 439 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:446:9
[INFO] [stdout]     |
[INFO] [stdout] 446 |         td: &mut IntTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 454 |         td: &mut ArrayTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:462:9
[INFO] [stdout]     |
[INFO] [stdout] 462 |         td: &mut SimpleTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:463:9
[INFO] [stdout]     |
[INFO] [stdout] 463 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |         td: &mut SingleFieldTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |         td: &mut MultipleFieldTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `td`
[INFO] [stdout]    --> src/checker/mod.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         td: &mut RecordTypeDenoterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/checker/mod.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 494 |         fps: &mut EmptyFormalParameterSequenceState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/checker/mod.rs:502:9
[INFO] [stdout]     |
[INFO] [stdout] 502 |         fps: &mut SingleFormalParameterSequenceState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:503:9
[INFO] [stdout]     |
[INFO] [stdout] 503 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/checker/mod.rs:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |         fps: &mut MultipleFormalParameterSequenceState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:511:9
[INFO] [stdout]     |
[INFO] [stdout] 511 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]    --> src/checker/mod.rs:518:9
[INFO] [stdout]     |
[INFO] [stdout] 518 |         fp: &mut ConstFormalParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:519:9
[INFO] [stdout]     |
[INFO] [stdout] 519 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]    --> src/checker/mod.rs:526:9
[INFO] [stdout]     |
[INFO] [stdout] 526 |         fp: &mut VarFormalParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:527:9
[INFO] [stdout]     |
[INFO] [stdout] 527 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]    --> src/checker/mod.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 |         fp: &mut ProcFormalParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:535:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]    --> src/checker/mod.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 |         fp: &mut FuncFormalParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:543:9
[INFO] [stdout]     |
[INFO] [stdout] 543 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aps`
[INFO] [stdout]    --> src/checker/mod.rs:550:9
[INFO] [stdout]     |
[INFO] [stdout] 550 |         aps: &mut EmptyActualParameterSequenceState,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_aps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]    --> src/checker/mod.rs:647:9
[INFO] [stdout]     |
[INFO] [stdout] 647 |         ap: &mut VarActualParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:648:9
[INFO] [stdout]     |
[INFO] [stdout] 648 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]    --> src/checker/mod.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         ap: &mut ProcActualParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:656:9
[INFO] [stdout]     |
[INFO] [stdout] 656 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]    --> src/checker/mod.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |         ap: &mut FuncActualParameterState,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:664:9
[INFO] [stdout]     |
[INFO] [stdout] 664 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vname`
[INFO] [stdout]    --> src/checker/mod.rs:669:38
[INFO] [stdout]     |
[INFO] [stdout] 669 |     fn visit_simple_vname(&mut self, vname: &mut SimpleVnameState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_vname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:669:68
[INFO] [stdout]     |
[INFO] [stdout] 669 |     fn visit_simple_vname(&mut self, vname: &mut SimpleVnameState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vname`
[INFO] [stdout]    --> src/checker/mod.rs:673:35
[INFO] [stdout]     |
[INFO] [stdout] 673 |     fn visit_dot_vname(&mut self, vname: &mut DotVnameState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_vname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:673:62
[INFO] [stdout]     |
[INFO] [stdout] 673 |     fn visit_dot_vname(&mut self, vname: &mut DotVnameState, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vname`
[INFO] [stdout]    --> src/checker/mod.rs:679:9
[INFO] [stdout]     |
[INFO] [stdout] 679 |         vname: &mut SubscriptVnameState,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_vname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:680:9
[INFO] [stdout]     |
[INFO] [stdout] 680 |         arg: AstObject,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:685:57
[INFO] [stdout]     |
[INFO] [stdout] 685 |     fn visit_identifier(&mut self, id: &mut Identifier, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `il`
[INFO] [stdout]    --> src/checker/mod.rs:694:41
[INFO] [stdout]     |
[INFO] [stdout] 694 |     fn visit_integer_literal(&mut self, il: &mut IntegerLiteral, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                         ^^ help: if this is intentional, prefix it with an underscore: `_il`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:694:66
[INFO] [stdout]     |
[INFO] [stdout] 694 |     fn visit_integer_literal(&mut self, il: &mut IntegerLiteral, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cl`
[INFO] [stdout]    --> src/checker/mod.rs:700:43
[INFO] [stdout]     |
[INFO] [stdout] 700 |     fn visit_character_literal(&mut self, cl: &mut CharacterLiteral, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_cl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:700:70
[INFO] [stdout]     |
[INFO] [stdout] 700 |     fn visit_character_literal(&mut self, cl: &mut CharacterLiteral, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/checker/mod.rs:706:34
[INFO] [stdout]     |
[INFO] [stdout] 706 |     fn visit_operator(&mut self, op: &mut Operator, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/checker/mod.rs:706:53
[INFO] [stdout]     |
[INFO] [stdout] 706 |     fn visit_operator(&mut self, op: &mut Operator, arg: AstObject) -> AstObject {
[INFO] [stdout]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `address` are never read
[INFO] [stdout]   --> src/ast/runtime_entities.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct UnknownAddressState {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 52 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 53 |     address: EntityAddress,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnknownAddressState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `value` are never read
[INFO] [stdout]   --> src/ast/runtime_entities.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct KnownValueState {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 67 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 68 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KnownValueState` 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 `size` and `address` are never read
[INFO] [stdout]   --> src/ast/runtime_entities.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct UnknownValueState {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 79 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 80 |     address: EntityAddress,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnknownValueState` 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 `size` and `address` are never read
[INFO] [stdout]   --> src/ast/runtime_entities.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct KnownRoutineState {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 94 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 95 |     address: EntityAddress,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KnownRoutineState` 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 `size` and `address` are never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct UnknownRoutineState {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] 109 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 110 |     address: EntityAddress,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UnknownRoutineState` 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 `size` and `displacement` are never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct PrimitiveRoutineState {
[INFO] [stdout]     |            --------------------- fields in this struct
[INFO] [stdout] 124 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 125 |     displacement: isize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrimitiveRoutineState` 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 `size` and `displacement` are never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct EqualityRoutineState {
[INFO] [stdout]     |            -------------------- fields in this struct
[INFO] [stdout] 136 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 137 |     displacement: isize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EqualityRoutineState` 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 `size` and `offset` are never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct FieldState {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 148 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 149 |     offset: isize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]    --> src/ast/runtime_entities.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct TypeRepresentationState {
[INFO] [stdout]     |            ----------------------- field in this struct
[INFO] [stdout] 160 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeRepresentationState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.05s
[INFO] running `Command { std: "docker" "inspect" "f9d4a37c45a83e5b5876e631aa3fe7e3da8549e4d812d97d42c7053cdfe4776e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d4a37c45a83e5b5876e631aa3fe7e3da8549e4d812d97d42c7053cdfe4776e", kill_on_drop: false }`
[INFO] [stdout] f9d4a37c45a83e5b5876e631aa3fe7e3da8549e4d812d97d42c7053cdfe4776e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b987c79c7bda19c3c968255c83bbcafc265872b79be44c754f1090b95441cd6
[INFO] running `Command { std: "docker" "start" "-a" "2b987c79c7bda19c3c968255c83bbcafc265872b79be44c754f1090b95441cd6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/checker/mod.rs:155:39
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn visit_empty_command(&mut self, cmd: &mut EmptyCommandState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:155:68
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn visit_empty_command(&mut self, cmd: &mut EmptyCommandState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/checker/mod.rs:161:40
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn visit_assign_command(&mut self, cmd: &mut AssignCommandState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:161:70
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn visit_assign_command(&mut self, cmd: &mut AssignCommandState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:192:64
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn visit_let_command(&mut self, cmd: &mut LetCommandState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/checker/mod.rs:200:36
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn visit_if_command(&mut self, cmd: &mut IfCommandState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:200:62
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn visit_if_command(&mut self, cmd: &mut IfCommandState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/checker/mod.rs:204:39
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn visit_while_command(&mut self, cmd: &mut WhileCommandState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:204:68
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn visit_while_command(&mut self, cmd: &mut WhileCommandState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/checker/mod.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         expr: &mut EmptyExpressionState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/checker/mod.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         expr: &mut CharacterExpressionState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/checker/mod.rs:253:9
[INFO] [stderr]     |
[INFO] [stderr] 253 |         expr: &mut VnameExpressionState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/checker/mod.rs:259:40
[INFO] [stderr]     |
[INFO] [stderr] 259 |     fn visit_let_expression(&mut self, expr: &mut LetExpressionState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:259:71
[INFO] [stderr]     |
[INFO] [stderr] 259 |     fn visit_let_expression(&mut self, expr: &mut LetExpressionState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/checker/mod.rs:265:9
[INFO] [stderr]     |
[INFO] [stderr] 265 |         expr: &mut CallExpressionState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:266:9
[INFO] [stderr]     |
[INFO] [stderr] 266 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/checker/mod.rs:271:39
[INFO] [stderr]     |
[INFO] [stderr] 271 |     fn visit_if_expression(&mut self, expr: &mut IfExpressionState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:271:69
[INFO] [stderr]     |
[INFO] [stderr] 271 |     fn visit_if_expression(&mut self, expr: &mut IfExpressionState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/checker/mod.rs:277:9
[INFO] [stderr]     |
[INFO] [stderr] 277 |         expr: &mut UnaryExpressionState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:278:9
[INFO] [stderr]     |
[INFO] [stderr] 278 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/checker/mod.rs:285:9
[INFO] [stderr]     |
[INFO] [stderr] 285 |         expr: &mut BinaryExpressionState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:286:9
[INFO] [stderr]     |
[INFO] [stderr] 286 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/checker/mod.rs:293:9
[INFO] [stderr]     |
[INFO] [stderr] 293 |         expr: &mut ArrayExpressionState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:294:9
[INFO] [stderr]     |
[INFO] [stderr] 294 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/checker/mod.rs:301:9
[INFO] [stderr]     |
[INFO] [stderr] 301 |         expr: &mut RecordExpressionState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:302:9
[INFO] [stderr]     |
[INFO] [stderr] 302 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `agg`
[INFO] [stderr]    --> src/checker/mod.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 |         agg: &mut SingleArrayAggregateState,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `agg`
[INFO] [stderr]    --> src/checker/mod.rs:317:9
[INFO] [stderr]     |
[INFO] [stderr] 317 |         agg: &mut MultipleArrayAggregateState,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `agg`
[INFO] [stderr]    --> src/checker/mod.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         agg: &mut SingleRecordAggregateState,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `agg`
[INFO] [stderr]    --> src/checker/mod.rs:333:9
[INFO] [stderr]     |
[INFO] [stderr] 333 |         agg: &mut MultipleRecordAggregateState,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_agg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:334:9
[INFO] [stderr]     |
[INFO] [stderr] 334 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decl`
[INFO] [stderr]    --> src/checker/mod.rs:341:9
[INFO] [stderr]     |
[INFO] [stderr] 341 |         decl: &mut ConstDeclarationState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:352:9
[INFO] [stderr]     |
[INFO] [stderr] 352 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decl`
[INFO] [stderr]    --> src/checker/mod.rs:363:9
[INFO] [stderr]     |
[INFO] [stderr] 363 |         decl: &mut ProcDeclarationState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:364:9
[INFO] [stderr]     |
[INFO] [stderr] 364 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decl`
[INFO] [stderr]    --> src/checker/mod.rs:371:9
[INFO] [stderr]     |
[INFO] [stderr] 371 |         decl: &mut FuncDeclarationState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:372:9
[INFO] [stderr]     |
[INFO] [stderr] 372 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decl`
[INFO] [stderr]    --> src/checker/mod.rs:379:9
[INFO] [stderr]     |
[INFO] [stderr] 379 |         decl: &mut TypeDeclarationState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:380:9
[INFO] [stderr]     |
[INFO] [stderr] 380 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decl`
[INFO] [stderr]    --> src/checker/mod.rs:387:9
[INFO] [stderr]     |
[INFO] [stderr] 387 |         decl: &mut UnaryOperatorDeclarationState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decl`
[INFO] [stderr]    --> src/checker/mod.rs:395:9
[INFO] [stderr]     |
[INFO] [stderr] 395 |         decl: &mut BinaryOperatorDeclarationState,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_decl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:396:9
[INFO] [stderr]     |
[INFO] [stderr] 396 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:405:9
[INFO] [stderr]     |
[INFO] [stderr] 405 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `td`
[INFO] [stderr]    --> src/checker/mod.rs:414:9
[INFO] [stderr]     |
[INFO] [stderr] 414 |         td: &mut AnyTypeDenoterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:415:9
[INFO] [stderr]     |
[INFO] [stderr] 415 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `td`
[INFO] [stderr]    --> src/checker/mod.rs:422:9
[INFO] [stderr]     |
[INFO] [stderr] 422 |         td: &mut ErrorTypeDenoterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:423:9
[INFO] [stderr]     |
[INFO] [stderr] 423 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `td`
[INFO] [stderr]    --> src/checker/mod.rs:430:9
[INFO] [stderr]     |
[INFO] [stderr] 430 |         td: &mut BoolTypeDenoterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:431:9
[INFO] [stderr]     |
[INFO] [stderr] 431 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `td`
[INFO] [stderr]    --> src/checker/mod.rs:438:9
[INFO] [stderr]     |
[INFO] [stderr] 438 |         td: &mut CharTypeDenoterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:439:9
[INFO] [stderr]     |
[INFO] [stderr] 439 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `td`
[INFO] [stderr]    --> src/checker/mod.rs:446:9
[INFO] [stderr]     |
[INFO] [stderr] 446 |         td: &mut IntTypeDenoterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `td`
[INFO] [stderr]    --> src/checker/mod.rs:454:9
[INFO] [stderr]     |
[INFO] [stderr] 454 |         td: &mut ArrayTypeDenoterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:455:9
[INFO] [stderr]     |
[INFO] [stderr] 455 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `td`
[INFO] [stderr]    --> src/checker/mod.rs:462:9
[INFO] [stderr]     |
[INFO] [stderr] 462 |         td: &mut SimpleTypeDenoterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:463:9
[INFO] [stderr]     |
[INFO] [stderr] 463 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `td`
[INFO] [stderr]    --> src/checker/mod.rs:470:9
[INFO] [stderr]     |
[INFO] [stderr] 470 |         td: &mut SingleFieldTypeDenoterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:471:9
[INFO] [stderr]     |
[INFO] [stderr] 471 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `td`
[INFO] [stderr]    --> src/checker/mod.rs:478:9
[INFO] [stderr]     |
[INFO] [stderr] 478 |         td: &mut MultipleFieldTypeDenoterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:479:9
[INFO] [stderr]     |
[INFO] [stderr] 479 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `td`
[INFO] [stderr]    --> src/checker/mod.rs:486:9
[INFO] [stderr]     |
[INFO] [stderr] 486 |         td: &mut RecordTypeDenoterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_td`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:487:9
[INFO] [stderr]     |
[INFO] [stderr] 487 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fps`
[INFO] [stderr]    --> src/checker/mod.rs:494:9
[INFO] [stderr]     |
[INFO] [stderr] 494 |         fps: &mut EmptyFormalParameterSequenceState,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:495:9
[INFO] [stderr]     |
[INFO] [stderr] 495 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fps`
[INFO] [stderr]    --> src/checker/mod.rs:502:9
[INFO] [stderr]     |
[INFO] [stderr] 502 |         fps: &mut SingleFormalParameterSequenceState,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:503:9
[INFO] [stderr]     |
[INFO] [stderr] 503 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fps`
[INFO] [stderr]    --> src/checker/mod.rs:510:9
[INFO] [stderr]     |
[INFO] [stderr] 510 |         fps: &mut MultipleFormalParameterSequenceState,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:511:9
[INFO] [stderr]     |
[INFO] [stderr] 511 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fp`
[INFO] [stderr]    --> src/checker/mod.rs:518:9
[INFO] [stderr]     |
[INFO] [stderr] 518 |         fp: &mut ConstFormalParameterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:519:9
[INFO] [stderr]     |
[INFO] [stderr] 519 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fp`
[INFO] [stderr]    --> src/checker/mod.rs:526:9
[INFO] [stderr]     |
[INFO] [stderr] 526 |         fp: &mut VarFormalParameterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:527:9
[INFO] [stderr]     |
[INFO] [stderr] 527 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fp`
[INFO] [stderr]    --> src/checker/mod.rs:534:9
[INFO] [stderr]     |
[INFO] [stderr] 534 |         fp: &mut ProcFormalParameterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:535:9
[INFO] [stderr]     |
[INFO] [stderr] 535 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fp`
[INFO] [stderr]    --> src/checker/mod.rs:542:9
[INFO] [stderr]     |
[INFO] [stderr] 542 |         fp: &mut FuncFormalParameterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:543:9
[INFO] [stderr]     |
[INFO] [stderr] 543 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `aps`
[INFO] [stderr]    --> src/checker/mod.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |         aps: &mut EmptyActualParameterSequenceState,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_aps`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:551:9
[INFO] [stderr]     |
[INFO] [stderr] 551 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ap`
[INFO] [stderr]    --> src/checker/mod.rs:647:9
[INFO] [stderr]     |
[INFO] [stderr] 647 |         ap: &mut VarActualParameterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:648:9
[INFO] [stderr]     |
[INFO] [stderr] 648 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ap`
[INFO] [stderr]    --> src/checker/mod.rs:655:9
[INFO] [stderr]     |
[INFO] [stderr] 655 |         ap: &mut ProcActualParameterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:656:9
[INFO] [stderr]     |
[INFO] [stderr] 656 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ap`
[INFO] [stderr]    --> src/checker/mod.rs:663:9
[INFO] [stderr]     |
[INFO] [stderr] 663 |         ap: &mut FuncActualParameterState,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:664:9
[INFO] [stderr]     |
[INFO] [stderr] 664 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vname`
[INFO] [stderr]    --> src/checker/mod.rs:669:38
[INFO] [stderr]     |
[INFO] [stderr] 669 |     fn visit_simple_vname(&mut self, vname: &mut SimpleVnameState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_vname`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:669:68
[INFO] [stderr]     |
[INFO] [stderr] 669 |     fn visit_simple_vname(&mut self, vname: &mut SimpleVnameState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vname`
[INFO] [stderr]    --> src/checker/mod.rs:673:35
[INFO] [stderr]     |
[INFO] [stderr] 673 |     fn visit_dot_vname(&mut self, vname: &mut DotVnameState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_vname`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:673:62
[INFO] [stderr]     |
[INFO] [stderr] 673 |     fn visit_dot_vname(&mut self, vname: &mut DotVnameState, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vname`
[INFO] [stderr]    --> src/checker/mod.rs:679:9
[INFO] [stderr]     |
[INFO] [stderr] 679 |         vname: &mut SubscriptVnameState,
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_vname`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:680:9
[INFO] [stderr]     |
[INFO] [stderr] 680 |         arg: AstObject,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:685:57
[INFO] [stderr]     |
[INFO] [stderr] 685 |     fn visit_identifier(&mut self, id: &mut Identifier, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `il`
[INFO] [stderr]    --> src/checker/mod.rs:694:41
[INFO] [stderr]     |
[INFO] [stderr] 694 |     fn visit_integer_literal(&mut self, il: &mut IntegerLiteral, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                         ^^ help: if this is intentional, prefix it with an underscore: `_il`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:694:66
[INFO] [stderr]     |
[INFO] [stderr] 694 |     fn visit_integer_literal(&mut self, il: &mut IntegerLiteral, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cl`
[INFO] [stderr]    --> src/checker/mod.rs:700:43
[INFO] [stderr]     |
[INFO] [stderr] 700 |     fn visit_character_literal(&mut self, cl: &mut CharacterLiteral, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_cl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:700:70
[INFO] [stderr]     |
[INFO] [stderr] 700 |     fn visit_character_literal(&mut self, cl: &mut CharacterLiteral, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/checker/mod.rs:706:34
[INFO] [stderr]     |
[INFO] [stderr] 706 |     fn visit_operator(&mut self, op: &mut Operator, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/checker/mod.rs:706:53
[INFO] [stderr]     |
[INFO] [stderr] 706 |     fn visit_operator(&mut self, op: &mut Operator, arg: AstObject) -> AstObject {
[INFO] [stderr]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `size` and `address` are never read
[INFO] [stderr]   --> src/ast/runtime_entities.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub struct UnknownAddressState {
[INFO] [stderr]    |            ------------------- fields in this struct
[INFO] [stderr] 52 |     size: usize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 53 |     address: EntityAddress,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `UnknownAddressState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `size` and `value` are never read
[INFO] [stderr]   --> src/ast/runtime_entities.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub struct KnownValueState {
[INFO] [stderr]    |            --------------- fields in this struct
[INFO] [stderr] 67 |     size: usize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 68 |     value: i32,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `KnownValueState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `size` and `address` are never read
[INFO] [stderr]   --> src/ast/runtime_entities.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub struct UnknownValueState {
[INFO] [stderr]    |            ----------------- fields in this struct
[INFO] [stderr] 79 |     size: usize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 80 |     address: EntityAddress,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `UnknownValueState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `size` and `address` are never read
[INFO] [stderr]   --> src/ast/runtime_entities.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub struct KnownRoutineState {
[INFO] [stderr]    |            ----------------- fields in this struct
[INFO] [stderr] 94 |     size: usize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 95 |     address: EntityAddress,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `KnownRoutineState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `size` and `address` are never read
[INFO] [stderr]    --> src/ast/runtime_entities.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub struct UnknownRoutineState {
[INFO] [stderr]     |            ------------------- fields in this struct
[INFO] [stderr] 109 |     size: usize,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 110 |     address: EntityAddress,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `UnknownRoutineState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `size` and `displacement` are never read
[INFO] [stderr]    --> src/ast/runtime_entities.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 123 | pub struct PrimitiveRoutineState {
[INFO] [stderr]     |            --------------------- fields in this struct
[INFO] [stderr] 124 |     size: usize,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 125 |     displacement: isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `PrimitiveRoutineState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `size` and `displacement` are never read
[INFO] [stderr]    --> src/ast/runtime_entities.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 135 | pub struct EqualityRoutineState {
[INFO] [stderr]     |            -------------------- fields in this struct
[INFO] [stderr] 136 |     size: usize,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 137 |     displacement: isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `EqualityRoutineState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `size` and `offset` are never read
[INFO] [stderr]    --> src/ast/runtime_entities.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 147 | pub struct FieldState {
[INFO] [stderr]     |            ---------- fields in this struct
[INFO] [stderr] 148 |     size: usize,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 149 |     offset: isize,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `FieldState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `size` is never read
[INFO] [stderr]    --> src/ast/runtime_entities.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 159 | pub struct TypeRepresentationState {
[INFO] [stderr]     |            ----------------------- field in this struct
[INFO] [stderr] 160 |     size: usize,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TypeRepresentationState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/checker/std_env.rs:499:27
[INFO] [stderr]     |
[INFO] [stderr] 499 |         println!("{:#?}", unsafe { STANDARD_ENVIRONMENT.lock().unwrap() });
[INFO] [stderr]     |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `triangle-rs` (lib) generated 116 warnings
[INFO] [stderr] warning: `triangle-rs` (lib test) generated 117 warnings (116 duplicates)
[INFO] [stderr] warning: unused import: `triangle_rs::ast::aggregates::ArrayAggregate::*`
[INFO] [stderr]  --> tests/checker_test.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::aggregates::ArrayAggregate::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::aggregates::RecordAggregate::*`
[INFO] [stderr]  --> tests/checker_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use triangle_rs::ast::aggregates::RecordAggregate::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::aggregates::*`
[INFO] [stderr]  --> tests/checker_test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use triangle_rs::ast::aggregates::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::commands::Command::*`
[INFO] [stderr]  --> tests/checker_test.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use triangle_rs::ast::commands::Command::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::commands::*`
[INFO] [stderr]  --> tests/checker_test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use triangle_rs::ast::commands::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::declarations::Declaration::*`
[INFO] [stderr]  --> tests/checker_test.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use triangle_rs::ast::declarations::Declaration::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::declarations::*`
[INFO] [stderr]  --> tests/checker_test.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use triangle_rs::ast::declarations::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::expressions::Expression::*`
[INFO] [stderr]  --> tests/checker_test.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use triangle_rs::ast::expressions::Expression::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::expressions::*`
[INFO] [stderr]  --> tests/checker_test.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use triangle_rs::ast::expressions::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::parameters::ActualParameter::*`
[INFO] [stderr]   --> tests/checker_test.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use triangle_rs::ast::parameters::ActualParameter::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::parameters::ActualParameterSequence::*`
[INFO] [stderr]   --> tests/checker_test.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use triangle_rs::ast::parameters::ActualParameterSequence::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::parameters::FormalParameter::*`
[INFO] [stderr]   --> tests/checker_test.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use triangle_rs::ast::parameters::FormalParameter::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::parameters::FormalParameterSequence::*`
[INFO] [stderr]   --> tests/checker_test.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use triangle_rs::ast::parameters::FormalParameterSequence::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::parameters::*`
[INFO] [stderr]   --> tests/checker_test.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use triangle_rs::ast::parameters::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::primitives::*`
[INFO] [stderr]   --> tests/checker_test.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use triangle_rs::ast::primitives::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::typedenoters::FieldTypeDenoter::*`
[INFO] [stderr]   --> tests/checker_test.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use triangle_rs::ast::typedenoters::FieldTypeDenoter::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::typedenoters::TypeDenoter::*`
[INFO] [stderr]   --> tests/checker_test.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use triangle_rs::ast::typedenoters::TypeDenoter::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::typedenoters::*`
[INFO] [stderr]   --> tests/checker_test.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use triangle_rs::ast::typedenoters::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::vnames::Vname::*`
[INFO] [stderr]   --> tests/checker_test.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use triangle_rs::ast::vnames::Vname::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::vnames::*`
[INFO] [stderr]   --> tests/checker_test.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use triangle_rs::ast::vnames::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::*`
[INFO] [stderr]   --> tests/checker_test.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use triangle_rs::ast::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::parameters::ActualParameter::*`
[INFO] [stderr]  --> tests/checkers/hello_checker.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use triangle_rs::ast::parameters::ActualParameter::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::parameters::ActualParameterSequence::*`
[INFO] [stderr]  --> tests/checkers/hello_checker.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use triangle_rs::ast::parameters::ActualParameterSequence::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::commands::*`
[INFO] [stderr]  --> tests/checkers/inc_checker.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::commands::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::expressions::*`
[INFO] [stderr]  --> tests/checkers/inc_checker.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use triangle_rs::ast::expressions::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::parameters::ActualParameter::*`
[INFO] [stderr]  --> tests/checkers/inc_checker.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use triangle_rs::ast::parameters::ActualParameter::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::parameters::ActualParameterSequence::*`
[INFO] [stderr]  --> tests/checkers/inc_checker.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use triangle_rs::ast::parameters::ActualParameterSequence::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::ast::parameters::*`
[INFO] [stderr]  --> tests/checkers/inc_checker.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use triangle_rs::ast::parameters::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `triangle_rs::checker::std_env::STANDARD_ENVIRONMENT`
[INFO] [stderr]  --> tests/checkers/inc_checker.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use triangle_rs::checker::std_env::STANDARD_ENVIRONMENT;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/capitalise_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/date_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/dates_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/echo_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/emptycommandeot_checker.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn check(program: &Program) -> bool {
[INFO] [stderr]   |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/emptycommandsemicolon_checker.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn check(program: &Program) -> bool {
[INFO] [stderr]   |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/eqnoteq_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/factorial_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/freq_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/inc_checker.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn check(program: &Program) -> bool {
[INFO] [stderr]   |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/insertion_sort_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/iteratively_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/leapyear_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/line_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/monthsofyear_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/nestedarrays_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/nestedrecords_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/odd_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/power_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/print_array_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/rationals_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/record_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/reverse_line_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/string_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> tests/checkers/sum_proc_checker.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use triangle_rs::ast::Program;pub fn check(program: &Program)-> bool { true }
[INFO] [stderr]   |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> tests/checker_test.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/checker_test.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> tests/checker_test.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/checker_test.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> tests/checker_test.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/checker_test.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> tests/checker_test.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/checker_test.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> tests/checker_test.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/checker_test.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:181:13
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> tests/checker_test.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/checker_test.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |     let mut parser = Parser::new(Scanner::new(source_file));
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `triangle-rs` (test "checker_test") generated 98 warnings (run `cargo fix --test "checker_test"` to apply 51 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/triangle_rs-022c4c861ebe56dd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test checker::std_env::tests::test_print_default_std_env ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/triangle_rs-8e5003c9a0aeecca)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/checker_test.rs (/opt/rustwide/target/debug/deps/checker_test-5506c0e7ba1d1f8f)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test test_echo ... ok
[INFO] [stdout] test test_emptycommandeot ... ok
[INFO] [stdout] test test_eqnoteq ... ok
[INFO] [stdout] test test_factorial ... ok
[INFO] [stderr] CheckerError error: expected a declaration here
[INFO] [stdout] test test_date ... ok
[INFO] [stdout] test test_emptycommandsemicolon ... ok
[INFO] [stdout] test test_freq ... ok
[INFO] [stdout] test test_hello ... ok
[INFO] [stderr] error: test failed, to rerun pass `--test checker_test`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/checker_test-5506c0e7ba1d1f8f` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] [stdout] test test_capitalise ... ok
[INFO] running `Command { std: "docker" "inspect" "2b987c79c7bda19c3c968255c83bbcafc265872b79be44c754f1090b95441cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b987c79c7bda19c3c968255c83bbcafc265872b79be44c754f1090b95441cd6", kill_on_drop: false }`
[INFO] [stdout] 2b987c79c7bda19c3c968255c83bbcafc265872b79be44c754f1090b95441cd6
