[INFO] fetching crate swamp-code-gen 0.2.27...
[INFO] building swamp-code-gen-0.2.27 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate swamp-code-gen 0.2.27 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate swamp-code-gen 0.2.27
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate swamp-code-gen 0.2.27
[INFO] tweaked toml for crates.io crate swamp-code-gen 0.2.27 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate swamp-code-gen 0.2.27 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swamp-code-gen 0.2.27 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tinter v0.1.0
[INFO] [stderr]   Downloaded source-map-node v0.0.1
[INFO] [stderr]   Downloaded hashmap-mem v0.2.0
[INFO] [stderr]   Downloaded seq-fmt v0.0.1
[INFO] [stderr]   Downloaded swamp-vm-layout v0.2.27
[INFO] [stderr]   Downloaded swamp-vm-isa v0.2.26
[INFO] [stderr]   Downloaded swamp-semantic v0.2.30
[INFO] [stderr]   Downloaded swamp-types v0.2.29
[INFO] [stderr]   Downloaded swamp-vm-types v0.2.26
[INFO] [stderr]   Downloaded source-map-cache v0.0.6
[INFO] [stderr]   Downloaded swamp-vm-debug-info v0.2.26
[INFO] [stderr]   Downloaded sparse-mem v0.2.0
[INFO] [stderr]   Downloaded swamp-attributes v0.2.26
[INFO] [stderr]   Downloaded swamp-vm-instr-build v0.2.26
[INFO] [stderr]   Downloaded fixed32 v0.0.18
[INFO] [stderr]   Downloaded swamp-vm-disasm v0.2.26
[INFO] [stderr]   Downloaded seq-map v0.0.14
[INFO] [stderr]   Downloaded swamp-symbol v0.2.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20b855a7eae45cdecb9ec341f6ace9348298a0ab5a7d7653f7db30d113205e76
[INFO] running `Command { std: "docker" "start" "-a" "20b855a7eae45cdecb9ec341f6ace9348298a0ab5a7d7653f7db30d113205e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20b855a7eae45cdecb9ec341f6ace9348298a0ab5a7d7653f7db30d113205e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b855a7eae45cdecb9ec341f6ace9348298a0ab5a7d7653f7db30d113205e76", kill_on_drop: false }`
[INFO] [stdout] 20b855a7eae45cdecb9ec341f6ace9348298a0ab5a7d7653f7db30d113205e76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e2dbc48d315169a4dd37445adeb237cf7c9f8d6ea4ad3a05e490c04b8cb2635
[INFO] running `Command { std: "docker" "start" "-a" "8e2dbc48d315169a4dd37445adeb237cf7c9f8d6ea4ad3a05e490c04b8cb2635", kill_on_drop: false }`
[INFO] [stderr]    Compiling source-map-node v0.0.1
[INFO] [stderr]    Compiling seq-fmt v0.0.1
[INFO] [stderr]    Compiling seq-map v0.0.14
[INFO] [stderr]    Compiling tinter v0.1.0
[INFO] [stderr]    Compiling fixed32 v0.0.18
[INFO] [stderr]    Compiling sparse-mem v0.2.0
[INFO] [stderr]    Compiling hashmap-mem v0.2.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling swamp-attributes v0.2.26
[INFO] [stderr]    Compiling swamp-symbol v0.2.27
[INFO] [stderr]    Compiling source-map-cache v0.0.6
[INFO] [stderr]    Compiling swamp-vm-isa v0.2.26
[INFO] [stderr]    Compiling swamp-types v0.2.29
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling swamp-vm-types v0.2.26
[INFO] [stderr]    Compiling swamp-semantic v0.2.30
[INFO] [stderr]    Compiling swamp-vm-debug-info v0.2.26
[INFO] [stderr]    Compiling swamp-vm-layout v0.2.27
[INFO] [stderr]    Compiling swamp-vm-instr-build v0.2.26
[INFO] [stderr]    Compiling swamp-vm-disasm v0.2.26
[INFO] [stderr]    Compiling swamp-code-gen v0.2.27 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/expr.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tracing::{info, warn};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `swamp_vm_isa::MemoryOffset`
[INFO] [stdout]   --> src/tuple.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use swamp_vm_isa::MemoryOffset;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/tuple.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing::{info, warn};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/assignment.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/bin_op.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         ctx: &Context,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> src/bin_op.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let kind = FlagStateKind::TFlagIsIndeterminate;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/bin_op.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         ctx: &Context,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/bin_op.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         ctx: &Context,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/call.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             _ => panic!("what kind of argument is it"),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/call.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             ArgumentExpression::BorrowMutableReference(lvalue) => {
[INFO] [stdout]     |             -------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 146 |             ArgumentExpression::MaterializedExpression(expr) => {
[INFO] [stdout]     |             ------------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 170 |             ArgumentExpression::Expression(expr) => {
[INFO] [stdout]     |             ------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 179 |             _ => panic!("what kind of argument is it"),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_host_call`
[INFO] [stdout]    --> src/call.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |         is_host_call: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_host_call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]    --> src/call.rs:596:9
[INFO] [stdout]     |
[INFO] [stdout] 596 |         reg: &TypedRegister,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/code_bld.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |         comment: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/code_bld.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         ctx: &Context,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest_reg`
[INFO] [stdout]    --> src/code_bld.rs:550:29
[INFO] [stdout]     |
[INFO] [stdout] 550 |             Place::Register(dest_reg) => {
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/code_bld.rs:709:22
[INFO] [stdout]     |
[INFO] [stdout] 709 |         if let Some((start, end)) = answer {
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 709 |         if let Some((_start, end)) = answer {
[INFO] [stdout]     |                      +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS`
[INFO] [stdout]     |
[INFO] [stdout] 709 -         if let Some((start, end)) = answer {
[INFO] [stdout] 709 +         if let Some((call::<impl code_bld::CodeBuilder<'_>>::spill_required_registers::ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS, end)) = answer {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]    --> src/code_bld.rs:709:29
[INFO] [stdout]     |
[INFO] [stdout] 709 |         if let Some((start, end)) = answer {
[INFO] [stdout]     |                             ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 709 |         if let Some((start, _end)) = answer {
[INFO] [stdout]     |                             +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS`
[INFO] [stdout]     |
[INFO] [stdout] 709 -         if let Some((start, end)) = answer {
[INFO] [stdout] 709 +         if let Some((start, call::<impl code_bld::CodeBuilder<'_>>::spill_required_registers::ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS)) = answer {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/equal.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |             (BasicTypeKind::TaggedUnion(a), BasicTypeKind::TaggedUnion(b)) => {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/equal.rs:49:72
[INFO] [stdout]    |
[INFO] [stdout] 49 |             (BasicTypeKind::TaggedUnion(a), BasicTypeKind::TaggedUnion(b)) => {
[INFO] [stdout]    |                                                                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/equal.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         ctx: &Context,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/expr.rs:428:48
[INFO] [stdout]     |
[INFO] [stdout] 428 |             ExpressionKind::CoerceIntToPointer(a) => {
[INFO] [stdout]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/expr.rs:482:25
[INFO] [stdout]     |
[INFO] [stdout] 482 |                     let x = 3;
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_info`
[INFO] [stdout]    --> src/func.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let (start_ip, end_ip, function_info) =
[INFO] [stdout]     |                                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_info`
[INFO] [stdout]    --> src/func.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let function_info = FunctionInfo {
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]    --> src/func.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         options: &GenOptions,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/func.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 |         for (index, x) in &frame_and_variable_info.parameter_and_variable_offsets {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `found_constant`
[INFO] [stdout]    --> src/func.rs:326:47
[INFO] [stdout]     |
[INFO] [stdout] 326 |             if let FunctionInfoKind::Constant(found_constant) = &in_data.kind {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_info`
[INFO] [stdout]   --> src/init.rs:57:40
[INFO] [stdout]    |
[INFO] [stdout] 57 |             BasicTypeKind::TaggedUnion(union_info) => {
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_info`
[INFO] [stdout]    --> src/init.rs:103:40
[INFO] [stdout]     |
[INFO] [stdout] 103 |             BasicTypeKind::TaggedUnion(union_info) => {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/intr.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/intr.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         comment: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temp_reg`
[INFO] [stdout]    --> src/intr.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let (temp_reg, dest_reg) = if target_destination.is_register() {
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest_reg`
[INFO] [stdout]    --> src/intr.rs:143:24
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let (temp_reg, dest_reg) = if target_destination.is_register() {
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_type`
[INFO] [stdout]    --> src/intr.rs:457:21
[INFO] [stdout]     |
[INFO] [stdout] 457 |                 let element_type = self_basic_type.element().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maybe_target`
[INFO] [stdout]    --> src/intr.rs:913:13
[INFO] [stdout]     |
[INFO] [stdout] 913 |         let maybe_target = target_destination.register();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maybe_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/literal.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         ctx: &Context,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/lvalue.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let node = &location_expression.node;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logical_limit`
[INFO] [stdout]   --> src/map.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         logical_limit: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 82 |         _logical_limit: usize,
[INFO] [stdout]    |         +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS`
[INFO] [stdout]    |
[INFO] [stdout] 82 -         logical_limit: usize,
[INFO] [stdout] 82 +         call::<impl code_bld::CodeBuilder<'_>>::spill_required_registers::ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS: usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/map.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maybe_patterns`
[INFO] [stdout]   --> src/match_expr.rs:61:62
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     NormalPattern::EnumPattern(enum_variant, maybe_patterns) => {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maybe_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maybe_guard`
[INFO] [stdout]    --> src/match_expr.rs:265:49
[INFO] [stdout]     |
[INFO] [stdout] 265 |                 Pattern::Normal(normal_pattern, maybe_guard) => match normal_pattern {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maybe_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `literal_expression`
[INFO] [stdout]    --> src/match_expr.rs:268:44
[INFO] [stdout]     |
[INFO] [stdout] 268 |                     NormalPattern::Literal(literal_expression) => {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_literal_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/state.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         node: &Node,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/state.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_type`
[INFO] [stdout]   --> src/statement.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |             TypeKind::SparseStorage(element_type, _) | TypeKind::SparseView(element_type) => {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^                            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 73 |             TypeKind::SparseStorage(_element_type, _) | TypeKind::SparseView(_element_type) => {
[INFO] [stdout]    |                                     +                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_collection_type`
[INFO] [stdout]    --> src/statement.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         source_collection_type: &TypeRef,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_collection_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/transfer.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |         comment: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/vec.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_error` is never used
[INFO] [stdout]    --> src/call.rs:602:8
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl CodeBuilder<'_> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 602 |     fn add_error(&mut self, error_kind: err::ErrorKind, node: &Node) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug_node` is never used
[INFO] [stdout]    --> src/code_bld.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl CodeBuilder<'_> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn debug_node(&self, node: &Node) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `comment` is never used
[INFO] [stdout]   --> src/ctx.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Context {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub(crate) fn comment(&self) -> &str {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.26s
[INFO] running `Command { std: "docker" "inspect" "8e2dbc48d315169a4dd37445adeb237cf7c9f8d6ea4ad3a05e490c04b8cb2635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e2dbc48d315169a4dd37445adeb237cf7c9f8d6ea4ad3a05e490c04b8cb2635", kill_on_drop: false }`
[INFO] [stdout] 8e2dbc48d315169a4dd37445adeb237cf7c9f8d6ea4ad3a05e490c04b8cb2635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0f96b10475f5a9d9356c4562f91c6ddbe724a3a78443a4fce5139b11bb553e5
[INFO] running `Command { std: "docker" "start" "-a" "a0f96b10475f5a9d9356c4562f91c6ddbe724a3a78443a4fce5139b11bb553e5", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/expr.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tracing::{info, warn};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `swamp_vm_isa::MemoryOffset`
[INFO] [stdout]   --> src/tuple.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use swamp_vm_isa::MemoryOffset;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/tuple.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing::{info, warn};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/assignment.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/bin_op.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         ctx: &Context,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> src/bin_op.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let kind = FlagStateKind::TFlagIsIndeterminate;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/bin_op.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         ctx: &Context,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/bin_op.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         ctx: &Context,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/call.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             _ => panic!("what kind of argument is it"),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/call.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             ArgumentExpression::BorrowMutableReference(lvalue) => {
[INFO] [stdout]     |             -------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 146 |             ArgumentExpression::MaterializedExpression(expr) => {
[INFO] [stdout]     |             ------------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 170 |             ArgumentExpression::Expression(expr) => {
[INFO] [stdout]     |             ------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 179 |             _ => panic!("what kind of argument is it"),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_host_call`
[INFO] [stdout]    --> src/call.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |         is_host_call: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_host_call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]    --> src/call.rs:596:9
[INFO] [stdout]     |
[INFO] [stdout] 596 |         reg: &TypedRegister,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/code_bld.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |         comment: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/code_bld.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         ctx: &Context,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest_reg`
[INFO] [stdout]    --> src/code_bld.rs:550:29
[INFO] [stdout]     |
[INFO] [stdout] 550 |             Place::Register(dest_reg) => {
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/code_bld.rs:709:22
[INFO] [stdout]     |
[INFO] [stdout] 709 |         if let Some((start, end)) = answer {
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 709 |         if let Some((_start, end)) = answer {
[INFO] [stdout]     |                      +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS`
[INFO] [stdout]     |
[INFO] [stdout] 709 -         if let Some((start, end)) = answer {
[INFO] [stdout] 709 +         if let Some((call::<impl code_bld::CodeBuilder<'_>>::spill_required_registers::ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS, end)) = answer {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]    --> src/code_bld.rs:709:29
[INFO] [stdout]     |
[INFO] [stdout] 709 |         if let Some((start, end)) = answer {
[INFO] [stdout]     |                             ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 709 |         if let Some((start, _end)) = answer {
[INFO] [stdout]     |                             +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS`
[INFO] [stdout]     |
[INFO] [stdout] 709 -         if let Some((start, end)) = answer {
[INFO] [stdout] 709 +         if let Some((start, call::<impl code_bld::CodeBuilder<'_>>::spill_required_registers::ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS)) = answer {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/equal.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |             (BasicTypeKind::TaggedUnion(a), BasicTypeKind::TaggedUnion(b)) => {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/equal.rs:49:72
[INFO] [stdout]    |
[INFO] [stdout] 49 |             (BasicTypeKind::TaggedUnion(a), BasicTypeKind::TaggedUnion(b)) => {
[INFO] [stdout]    |                                                                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/equal.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         ctx: &Context,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/expr.rs:428:48
[INFO] [stdout]     |
[INFO] [stdout] 428 |             ExpressionKind::CoerceIntToPointer(a) => {
[INFO] [stdout]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/expr.rs:482:25
[INFO] [stdout]     |
[INFO] [stdout] 482 |                     let x = 3;
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_info`
[INFO] [stdout]    --> src/func.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let (start_ip, end_ip, function_info) =
[INFO] [stdout]     |                                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_info`
[INFO] [stdout]    --> src/func.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let function_info = FunctionInfo {
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]    --> src/func.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         options: &GenOptions,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/func.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 |         for (index, x) in &frame_and_variable_info.parameter_and_variable_offsets {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `found_constant`
[INFO] [stdout]    --> src/func.rs:326:47
[INFO] [stdout]     |
[INFO] [stdout] 326 |             if let FunctionInfoKind::Constant(found_constant) = &in_data.kind {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_info`
[INFO] [stdout]   --> src/init.rs:57:40
[INFO] [stdout]    |
[INFO] [stdout] 57 |             BasicTypeKind::TaggedUnion(union_info) => {
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_info`
[INFO] [stdout]    --> src/init.rs:103:40
[INFO] [stdout]     |
[INFO] [stdout] 103 |             BasicTypeKind::TaggedUnion(union_info) => {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/intr.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/intr.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         comment: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temp_reg`
[INFO] [stdout]    --> src/intr.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let (temp_reg, dest_reg) = if target_destination.is_register() {
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest_reg`
[INFO] [stdout]    --> src/intr.rs:143:24
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let (temp_reg, dest_reg) = if target_destination.is_register() {
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_type`
[INFO] [stdout]    --> src/intr.rs:457:21
[INFO] [stdout]     |
[INFO] [stdout] 457 |                 let element_type = self_basic_type.element().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maybe_target`
[INFO] [stdout]    --> src/intr.rs:913:13
[INFO] [stdout]     |
[INFO] [stdout] 913 |         let maybe_target = target_destination.register();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maybe_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/literal.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         ctx: &Context,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/lvalue.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let node = &location_expression.node;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logical_limit`
[INFO] [stdout]   --> src/map.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         logical_limit: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 82 |         _logical_limit: usize,
[INFO] [stdout]    |         +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS`
[INFO] [stdout]    |
[INFO] [stdout] 82 -         logical_limit: usize,
[INFO] [stdout] 82 +         call::<impl code_bld::CodeBuilder<'_>>::spill_required_registers::ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS: usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/map.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maybe_patterns`
[INFO] [stdout]   --> src/match_expr.rs:61:62
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     NormalPattern::EnumPattern(enum_variant, maybe_patterns) => {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maybe_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maybe_guard`
[INFO] [stdout]    --> src/match_expr.rs:265:49
[INFO] [stdout]     |
[INFO] [stdout] 265 |                 Pattern::Normal(normal_pattern, maybe_guard) => match normal_pattern {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maybe_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling swamp-code-gen v0.2.27 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `literal_expression`
[INFO] [stdout]    --> src/match_expr.rs:268:44
[INFO] [stdout]     |
[INFO] [stdout] 268 |                     NormalPattern::Literal(literal_expression) => {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_literal_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/state.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         node: &Node,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/state.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_type`
[INFO] [stdout]   --> src/statement.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |             TypeKind::SparseStorage(element_type, _) | TypeKind::SparseView(element_type) => {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^                            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 73 |             TypeKind::SparseStorage(_element_type, _) | TypeKind::SparseView(_element_type) => {
[INFO] [stdout]    |                                     +                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_collection_type`
[INFO] [stdout]    --> src/statement.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         source_collection_type: &TypeRef,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_collection_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/transfer.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |         comment: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/vec.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_error` is never used
[INFO] [stdout]    --> src/call.rs:602:8
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl CodeBuilder<'_> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 602 |     fn add_error(&mut self, error_kind: err::ErrorKind, node: &Node) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug_node` is never used
[INFO] [stdout]    --> src/code_bld.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl CodeBuilder<'_> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn debug_node(&self, node: &Node) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `comment` is never used
[INFO] [stdout]   --> src/ctx.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Context {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub(crate) fn comment(&self) -> &str {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/expr.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tracing::{info, warn};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `swamp_vm_isa::MemoryOffset`
[INFO] [stdout]   --> src/tuple.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use swamp_vm_isa::MemoryOffset;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/tuple.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing::{info, warn};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/assignment.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/bin_op.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         ctx: &Context,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> src/bin_op.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let kind = FlagStateKind::TFlagIsIndeterminate;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/bin_op.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         ctx: &Context,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/bin_op.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         ctx: &Context,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/call.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             _ => panic!("what kind of argument is it"),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/call.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             ArgumentExpression::BorrowMutableReference(lvalue) => {
[INFO] [stdout]     |             -------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 146 |             ArgumentExpression::MaterializedExpression(expr) => {
[INFO] [stdout]     |             ------------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 170 |             ArgumentExpression::Expression(expr) => {
[INFO] [stdout]     |             ------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 179 |             _ => panic!("what kind of argument is it"),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_host_call`
[INFO] [stdout]    --> src/call.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |         is_host_call: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_host_call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]    --> src/call.rs:596:9
[INFO] [stdout]     |
[INFO] [stdout] 596 |         reg: &TypedRegister,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/code_bld.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |         comment: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/code_bld.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         ctx: &Context,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest_reg`
[INFO] [stdout]    --> src/code_bld.rs:550:29
[INFO] [stdout]     |
[INFO] [stdout] 550 |             Place::Register(dest_reg) => {
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/code_bld.rs:709:22
[INFO] [stdout]     |
[INFO] [stdout] 709 |         if let Some((start, end)) = answer {
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 709 |         if let Some((_start, end)) = answer {
[INFO] [stdout]     |                      +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS`
[INFO] [stdout]     |
[INFO] [stdout] 709 -         if let Some((start, end)) = answer {
[INFO] [stdout] 709 +         if let Some((call::<impl code_bld::CodeBuilder<'_>>::spill_required_registers::ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS, end)) = answer {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]    --> src/code_bld.rs:709:29
[INFO] [stdout]     |
[INFO] [stdout] 709 |         if let Some((start, end)) = answer {
[INFO] [stdout]     |                             ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 709 |         if let Some((start, _end)) = answer {
[INFO] [stdout]     |                             +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS`
[INFO] [stdout]     |
[INFO] [stdout] 709 -         if let Some((start, end)) = answer {
[INFO] [stdout] 709 +         if let Some((start, call::<impl code_bld::CodeBuilder<'_>>::spill_required_registers::ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS)) = answer {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/equal.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |             (BasicTypeKind::TaggedUnion(a), BasicTypeKind::TaggedUnion(b)) => {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/equal.rs:49:72
[INFO] [stdout]    |
[INFO] [stdout] 49 |             (BasicTypeKind::TaggedUnion(a), BasicTypeKind::TaggedUnion(b)) => {
[INFO] [stdout]    |                                                                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/equal.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         ctx: &Context,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/expr.rs:428:48
[INFO] [stdout]     |
[INFO] [stdout] 428 |             ExpressionKind::CoerceIntToPointer(a) => {
[INFO] [stdout]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/expr.rs:482:25
[INFO] [stdout]     |
[INFO] [stdout] 482 |                     let x = 3;
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_info`
[INFO] [stdout]    --> src/func.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let (start_ip, end_ip, function_info) =
[INFO] [stdout]     |                                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_info`
[INFO] [stdout]    --> src/func.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let function_info = FunctionInfo {
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]    --> src/func.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         options: &GenOptions,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/func.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 |         for (index, x) in &frame_and_variable_info.parameter_and_variable_offsets {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `found_constant`
[INFO] [stdout]    --> src/func.rs:326:47
[INFO] [stdout]     |
[INFO] [stdout] 326 |             if let FunctionInfoKind::Constant(found_constant) = &in_data.kind {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_info`
[INFO] [stdout]   --> src/init.rs:57:40
[INFO] [stdout]    |
[INFO] [stdout] 57 |             BasicTypeKind::TaggedUnion(union_info) => {
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_info`
[INFO] [stdout]    --> src/init.rs:103:40
[INFO] [stdout]     |
[INFO] [stdout] 103 |             BasicTypeKind::TaggedUnion(union_info) => {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/intr.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/intr.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         comment: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temp_reg`
[INFO] [stdout]    --> src/intr.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let (temp_reg, dest_reg) = if target_destination.is_register() {
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest_reg`
[INFO] [stdout]    --> src/intr.rs:143:24
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let (temp_reg, dest_reg) = if target_destination.is_register() {
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_type`
[INFO] [stdout]    --> src/intr.rs:457:21
[INFO] [stdout]     |
[INFO] [stdout] 457 |                 let element_type = self_basic_type.element().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maybe_target`
[INFO] [stdout]    --> src/intr.rs:913:13
[INFO] [stdout]     |
[INFO] [stdout] 913 |         let maybe_target = target_destination.register();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maybe_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/literal.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         ctx: &Context,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/lvalue.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let node = &location_expression.node;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logical_limit`
[INFO] [stdout]   --> src/map.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         logical_limit: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 82 |         _logical_limit: usize,
[INFO] [stdout]    |         +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS`
[INFO] [stdout]    |
[INFO] [stdout] 82 -         logical_limit: usize,
[INFO] [stdout] 82 +         call::<impl code_bld::CodeBuilder<'_>>::spill_required_registers::ABI_ARGUMENT_RETURN_AND_ARGUMENT_REGISTERS: usize,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/map.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maybe_patterns`
[INFO] [stdout]   --> src/match_expr.rs:61:62
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     NormalPattern::EnumPattern(enum_variant, maybe_patterns) => {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maybe_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maybe_guard`
[INFO] [stdout]    --> src/match_expr.rs:265:49
[INFO] [stdout]     |
[INFO] [stdout] 265 |                 Pattern::Normal(normal_pattern, maybe_guard) => match normal_pattern {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maybe_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `literal_expression`
[INFO] [stdout]    --> src/match_expr.rs:268:44
[INFO] [stdout]     |
[INFO] [stdout] 268 |                     NormalPattern::Literal(literal_expression) => {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_literal_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/state.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         node: &Node,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/state.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_type`
[INFO] [stdout]   --> src/statement.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |             TypeKind::SparseStorage(element_type, _) | TypeKind::SparseView(element_type) => {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^                            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 73 |             TypeKind::SparseStorage(_element_type, _) | TypeKind::SparseView(_element_type) => {
[INFO] [stdout]    |                                     +                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_collection_type`
[INFO] [stdout]    --> src/statement.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         source_collection_type: &TypeRef,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_collection_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/transfer.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |         comment: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]   --> src/vec.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         comment: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_error` is never used
[INFO] [stdout]    --> src/call.rs:602:8
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl CodeBuilder<'_> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 602 |     fn add_error(&mut self, error_kind: err::ErrorKind, node: &Node) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug_node` is never used
[INFO] [stdout]    --> src/code_bld.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl CodeBuilder<'_> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn debug_node(&self, node: &Node) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `comment` is never used
[INFO] [stdout]   --> src/ctx.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Context {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub(crate) fn comment(&self) -> &str {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "a0f96b10475f5a9d9356c4562f91c6ddbe724a3a78443a4fce5139b11bb553e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f96b10475f5a9d9356c4562f91c6ddbe724a3a78443a4fce5139b11bb553e5", kill_on_drop: false }`
[INFO] [stdout] a0f96b10475f5a9d9356c4562f91c6ddbe724a3a78443a4fce5139b11bb553e5