[INFO] fetching crate portal-jsc-swc-ssa 0.8.0-pre.8...
[INFO] checking portal-jsc-swc-ssa-0.8.0-pre.8 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate portal-jsc-swc-ssa 0.8.0-pre.8 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate portal-jsc-swc-ssa 0.8.0-pre.8
[INFO] finished tweaking crates.io crate portal-jsc-swc-ssa 0.8.0-pre.8
[INFO] tweaked toml for crates.io crate portal-jsc-swc-ssa 0.8.0-pre.8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate portal-jsc-swc-ssa 0.8.0-pre.8 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate portal-jsc-swc-ssa 0.8.0-pre.8 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 615daf336492bb1417901c7bce0adc78baf7e01ee2d5a5a51b78f18d144a0737
[INFO] running `Command { std: "docker" "start" "-a" "615daf336492bb1417901c7bce0adc78baf7e01ee2d5a5a51b78f18d144a0737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "615daf336492bb1417901c7bce0adc78baf7e01ee2d5a5a51b78f18d144a0737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615daf336492bb1417901c7bce0adc78baf7e01ee2d5a5a51b78f18d144a0737", kill_on_drop: false }`
[INFO] [stdout] 615daf336492bb1417901c7bce0adc78baf7e01ee2d5a5a51b78f18d144a0737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cb0889e42d4d80e76ff239a73b646775598ae1608500f2dd87abe666034576d
[INFO] running `Command { std: "docker" "start" "-a" "6cb0889e42d4d80e76ff239a73b646775598ae1608500f2dd87abe666034576d", kill_on_drop: false }`
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[INFO] [stderr]     Checking swc_atoms v7.0.0
[INFO] [stderr]     Checking ssa-traits v0.2.3
[INFO] [stderr]     Checking portal-pc-asm-common v0.1.0
[INFO] [stderr]     Checking portal-jsc-common v0.8.0-pre.8
[INFO] [stderr]     Checking swc_common v14.0.2
[INFO] [stderr]     Checking swc_ecma_ast v14.0.0
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[INFO] [stderr]     Checking swc_ecma_parser v22.0.0
[INFO] [stderr]     Checking swc_ecma_transforms_base v23.0.0
[INFO] [stderr]     Checking swc_ecma_transforms_optimization v24.0.0
[INFO] [stderr]     Checking portal-solutions-swibb v0.3.0
[INFO] [stderr]     Checking portal-jsc-swc-util v0.8.0-pre.8
[INFO] [stderr]     Checking ssa-impls v0.2.3
[INFO] [stderr]     Checking ssa-reloop v0.2.3
[INFO] [stderr]     Checking portal-jsc-swc-cfg v0.8.0-pre.8
[INFO] [stderr]     Checking portal-jsc-swc-tac v0.8.0-pre.8
[INFO] [stderr]     Checking portal-jsc-swc-ssa v0.8.0-pre.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TCallee`
[INFO] [stdout]   --> src/lib.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 | use swc_tac::{Item, TBlock, TCallee, TCfg, TFunc, TStmt, ValFlags};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/consts.rs:181:25
[INFO] [stdout]     |
[INFO] [stdout] 181 |                         'a: {
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TCallee`
[INFO] [stdout]   --> src/lib.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 | use swc_tac::{Item, TBlock, TCallee, TCfg, TFunc, TStmt, ValFlags};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/consts.rs:181:25
[INFO] [stdout]     |
[INFO] [stdout] 181 |                         'a: {
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/consts.rs:112:37
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     SValue::Param { block, idx, ty } => todo!(),
[INFO] [stdout]     |                                     ^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/consts.rs:112:44
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     SValue::Param { block, idx, ty } => todo!(),
[INFO] [stdout]     |                                            ^^^ help: try ignoring the field: `idx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/consts.rs:112:49
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     SValue::Param { block, idx, ty } => todo!(),
[INFO] [stdout]     |                                                 ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/consts.rs:242:29
[INFO] [stdout]     |
[INFO] [stdout] 242 | ...                   span,
[INFO] [stdout]     |                       ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/consts.rs:184:33
[INFO] [stdout]     |
[INFO] [stdout] 184 | ...                   span,
[INFO] [stdout]     |                       ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/consts.rs:192:33
[INFO] [stdout]     |
[INFO] [stdout] 192 | ...                   span,
[INFO] [stdout]     |                       ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/impls.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |             STerm::Throw(id) => Box::new(empty()),
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/impls.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |             STerm::Return(id) => Box::new(empty()),
[INFO] [stdout]    |                           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> src/impls.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 cond,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/impls.rs:69:29
[INFO] [stdout]    |
[INFO] [stdout] 69 |             STerm::Switch { x, blocks, default } => {
[INFO] [stdout]    |                             ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/impls.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |             STerm::Throw(id) => Box::new(empty()),
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/impls.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |             STerm::Return(id) => Box::new(empty()),
[INFO] [stdout]    |                           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> src/impls.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 cond,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/impls.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 |             STerm::Switch { x, blocks, default } => {
[INFO] [stdout]    |                             ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/impls.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         f: &'a SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/impls.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         g: &'a mut SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/impls.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         f: &'a SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/impls.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         g: &'a mut SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/impls.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 359 |         f: &'a SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/impls.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         g: &'a mut SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/impls.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |         f: &'a SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/impls.rs:384:9
[INFO] [stdout]     |
[INFO] [stdout] 384 |         g: &'a mut SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/impls.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |         f: &'a SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/impls.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |         g: &'a mut SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/impls.rs:413:50
[INFO] [stdout]     |
[INFO] [stdout] 413 |     fn add_blockparam(&mut self, k: Self::Block, y: Self::Ty) -> Self::Value {
[INFO] [stdout]     |                                                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/impls.rs:430:18
[INFO] [stdout]     |
[INFO] [stdout] 430 |     fn ty(&self, f: &SFunc) -> <SFunc as ssa_traits::TypedFunc>::Ty {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/rew.rs:103:45
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   SValue::Param { block, idx, ty } => todo!(),
[INFO] [stdout]     |                                       ^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/rew.rs:103:52
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   SValue::Param { block, idx, ty } => todo!(),
[INFO] [stdout]     |                                              ^^^ help: try ignoring the field: `idx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/rew.rs:103:57
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   SValue::Param { block, idx, ty } => todo!(),
[INFO] [stdout]     |                                                   ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/rew.rs:105:46
[INFO] [stdout]     |
[INFO] [stdout] 105 | ...                   Item::Just { id } => {}
[INFO] [stdout]     |                                    ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/rew.rs:163:58
[INFO] [stdout]     |
[INFO] [stdout] 163 | ...                   SValue::EdgeBlocker { value: v, span } => {
[INFO] [stdout]     |                                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/rew.rs:163:61
[INFO] [stdout]     |
[INFO] [stdout] 163 | ...                   SValue::EdgeBlocker { value: v, span } => {
[INFO] [stdout]     |                                                       ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/rew.rs:264:37
[INFO] [stdout]     |
[INFO] [stdout] 264 |         SValue::Param { block, idx, ty } => {
[INFO] [stdout]     |                                     ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/rew.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |             span,
[INFO] [stdout]     |             ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/rew.rs:271:38
[INFO] [stdout]     |
[INFO] [stdout] 271 |         SValue::EdgeBlocker { value, span } => mangle_value(ctxt, func, *value),
[INFO] [stdout]     |                                      ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/simplify.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |         for (k, kd) in self.blocks.iter_mut() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/simplify.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |                     span,
[INFO] [stdout]    |                     ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/simplify.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 Item::Just { id } => None,
[INFO] [stdout]    |                              ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/simplify.rs:165:45
[INFO] [stdout]     |
[INFO] [stdout] 165 | ...                   (_, _, Some(v), Some(v2)) => (left?, right?),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]    --> src/simplify.rs:165:54
[INFO] [stdout]     |
[INFO] [stdout] 165 | ...                   (_, _, Some(v), Some(v2)) => (left?, right?),
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/simplify.rs:428:30
[INFO] [stdout]     |
[INFO] [stdout] 428 |                 Item::Func { func, arrow } => None,
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arrow`
[INFO] [stdout]    --> src/simplify.rs:428:36
[INFO] [stdout]     |
[INFO] [stdout] 428 |                 Item::Func { func, arrow } => None,
[INFO] [stdout]     |                                    ^^^^^ help: try ignoring the field: `arrow: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callee`
[INFO] [stdout]    --> src/simplify.rs:430:30
[INFO] [stdout]     |
[INFO] [stdout] 430 |                 Item::Call { callee, args } => None,
[INFO] [stdout]     |                              ^^^^^^ help: try ignoring the field: `callee: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/simplify.rs:430:38
[INFO] [stdout]     |
[INFO] [stdout] 430 |                 Item::Call { callee, args } => None,
[INFO] [stdout]     |                                      ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `members`
[INFO] [stdout]    --> src/simplify.rs:431:29
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 Item::Obj { members } => None,
[INFO] [stdout]     |                             ^^^^^^^ help: try ignoring the field: `members: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `members`
[INFO] [stdout]    --> src/simplify.rs:432:29
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 Item::Arr { members } => None,
[INFO] [stdout]     |                             ^^^^^^^ help: try ignoring the field: `members: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/simplify.rs:433:31
[INFO] [stdout]     |
[INFO] [stdout] 433 |                 Item::Yield { value, delegate } => None,
[INFO] [stdout]     |                               ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delegate`
[INFO] [stdout]    --> src/simplify.rs:433:38
[INFO] [stdout]     |
[INFO] [stdout] 433 |                 Item::Yield { value, delegate } => None,
[INFO] [stdout]     |                                      ^^^^^^^^ help: try ignoring the field: `delegate: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/simplify.rs:434:31
[INFO] [stdout]     |
[INFO] [stdout] 434 |                 Item::Await { value } => None,
[INFO] [stdout]     |                               ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/opt_stub.rs:52:42
[INFO] [stdout]    |
[INFO] [stdout] 52 | ...                   &mut |_, f| todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/lib.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 span,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/lib.rs:95:38
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 SValue::Item { item, span } => match item {
[INFO] [stdout]    |                                      ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:216:38
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 SValue::Item { item, span } => {
[INFO] [stdout]     |                                      ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:212:25
[INFO] [stdout]     |
[INFO] [stdout] 212 |             .flat_map(|(a, b)| match &b.value {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/lib.rs:280:29
[INFO] [stdout]     |
[INFO] [stdout] 280 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                             ^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:280:36
[INFO] [stdout]     |
[INFO] [stdout] 280 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                                    ^^^ help: try ignoring the field: `idx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/lib.rs:280:41
[INFO] [stdout]     |
[INFO] [stdout] 280 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                                         ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:281:34
[INFO] [stdout]     |
[INFO] [stdout] 281 |             SValue::Item { item, span } => Box::new(item.refs().map(|a| *a)),
[INFO] [stdout]     |                                  ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/lib.rs:285:31
[INFO] [stdout]     |
[INFO] [stdout] 285 |                     LId::Id { id } => todo!(),
[INFO] [stdout]     |                               ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/lib.rs:292:31
[INFO] [stdout]     |
[INFO] [stdout] 292 |             SValue::StoreId { target, val } => Box::new(once(*val)),
[INFO] [stdout]     |                               ^^^^^^ help: try ignoring the field: `target: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:293:45
[INFO] [stdout]     |
[INFO] [stdout] 293 |             SValue::EdgeBlocker { value: a, span } => Box::new(once(*a)),
[INFO] [stdout]     |                                             ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/lib.rs:394:29
[INFO] [stdout]     |
[INFO] [stdout] 394 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                             ^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:394:36
[INFO] [stdout]     |
[INFO] [stdout] 394 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                                    ^^^ help: try ignoring the field: `idx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/lib.rs:394:41
[INFO] [stdout]     |
[INFO] [stdout] 394 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                                         ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:395:34
[INFO] [stdout]     |
[INFO] [stdout] 395 |             SValue::Item { item, span } => Box::new(item.refs()),
[INFO] [stdout]     |                                  ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/lib.rs:399:31
[INFO] [stdout]     |
[INFO] [stdout] 399 |                     LId::Id { id } => todo!(),
[INFO] [stdout]     |                               ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/lib.rs:406:31
[INFO] [stdout]     |
[INFO] [stdout] 406 |             SValue::StoreId { target, val } => Box::new(once(val)),
[INFO] [stdout]     |                               ^^^^^^ help: try ignoring the field: `target: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:407:45
[INFO] [stdout]     |
[INFO] [stdout] 407 |             SValue::EdgeBlocker { value: a, span } => Box::new(once(a)),
[INFO] [stdout]     |                                             ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/lib.rs:412:29
[INFO] [stdout]     |
[INFO] [stdout] 412 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                             ^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:412:36
[INFO] [stdout]     |
[INFO] [stdout] 412 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                                    ^^^ help: try ignoring the field: `idx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/lib.rs:412:41
[INFO] [stdout]     |
[INFO] [stdout] 412 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                                         ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:413:34
[INFO] [stdout]     |
[INFO] [stdout] 413 |             SValue::Item { item, span } => item.refs_mut(),
[INFO] [stdout]     |                                  ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/lib.rs:417:31
[INFO] [stdout]     |
[INFO] [stdout] 417 |                     LId::Id { id } => todo!(),
[INFO] [stdout]     |                               ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/lib.rs:424:31
[INFO] [stdout]     |
[INFO] [stdout] 424 |             SValue::StoreId { target, val } => Box::new(once(val)),
[INFO] [stdout]     |                               ^^^^^^ help: try ignoring the field: `target: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:425:45
[INFO] [stdout]     |
[INFO] [stdout] 425 |             SValue::EdgeBlocker { value: a, span } => Box::new(once(a)),
[INFO] [stdout]     |                                             ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/lib.rs:686:21
[INFO] [stdout]     |
[INFO] [stdout] 686 |                 let flags = match a.clone() {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:654:21
[INFO] [stdout]     |
[INFO] [stdout] 654 |                 let mut b = b.as_ref();
[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: field `map` is never read
[INFO] [stdout]  --> src/opt_stub.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct OptStub {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     map: BTreeMap<Id<SBlock>, Id<SBlock>>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `go` is never used
[INFO] [stdout]  --> src/opt_stub.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl OptStub {
[INFO] [stdout]   | ------------ method in this implementation
[INFO] [stdout] 8 |     fn go(
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/consts.rs:112:37
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     SValue::Param { block, idx, ty } => todo!(),
[INFO] [stdout]     |                                     ^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/consts.rs:112:44
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     SValue::Param { block, idx, ty } => todo!(),
[INFO] [stdout]     |                                            ^^^ help: try ignoring the field: `idx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/consts.rs:112:49
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     SValue::Param { block, idx, ty } => todo!(),
[INFO] [stdout]     |                                                 ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/consts.rs:242:29
[INFO] [stdout]     |
[INFO] [stdout] 242 | ...                   span,
[INFO] [stdout]     |                       ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/consts.rs:184:33
[INFO] [stdout]     |
[INFO] [stdout] 184 | ...                   span,
[INFO] [stdout]     |                       ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/consts.rs:192:33
[INFO] [stdout]     |
[INFO] [stdout] 192 | ...                   span,
[INFO] [stdout]     |                       ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/impls.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |             STerm::Throw(id) => Box::new(empty()),
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/impls.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |             STerm::Return(id) => Box::new(empty()),
[INFO] [stdout]    |                           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> src/impls.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 cond,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/impls.rs:69:29
[INFO] [stdout]    |
[INFO] [stdout] 69 |             STerm::Switch { x, blocks, default } => {
[INFO] [stdout]    |                             ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/impls.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |             STerm::Throw(id) => Box::new(empty()),
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/impls.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |             STerm::Return(id) => Box::new(empty()),
[INFO] [stdout]    |                           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> src/impls.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 cond,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/impls.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 |             STerm::Switch { x, blocks, default } => {
[INFO] [stdout]    |                             ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/impls.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         f: &'a SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/impls.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         g: &'a mut SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/impls.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         f: &'a SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/impls.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         g: &'a mut SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/impls.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 359 |         f: &'a SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/impls.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         g: &'a mut SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/impls.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |         f: &'a SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/impls.rs:384:9
[INFO] [stdout]     |
[INFO] [stdout] 384 |         g: &'a mut SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/impls.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |         f: &'a SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/impls.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |         g: &'a mut SFunc,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/impls.rs:413:50
[INFO] [stdout]     |
[INFO] [stdout] 413 |     fn add_blockparam(&mut self, k: Self::Block, y: Self::Ty) -> Self::Value {
[INFO] [stdout]     |                                                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/impls.rs:430:18
[INFO] [stdout]     |
[INFO] [stdout] 430 |     fn ty(&self, f: &SFunc) -> <SFunc as ssa_traits::TypedFunc>::Ty {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/rew.rs:103:45
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   SValue::Param { block, idx, ty } => todo!(),
[INFO] [stdout]     |                                       ^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/rew.rs:103:52
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   SValue::Param { block, idx, ty } => todo!(),
[INFO] [stdout]     |                                              ^^^ help: try ignoring the field: `idx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/rew.rs:103:57
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   SValue::Param { block, idx, ty } => todo!(),
[INFO] [stdout]     |                                                   ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/rew.rs:105:46
[INFO] [stdout]     |
[INFO] [stdout] 105 | ...                   Item::Just { id } => {}
[INFO] [stdout]     |                                    ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/rew.rs:163:58
[INFO] [stdout]     |
[INFO] [stdout] 163 | ...                   SValue::EdgeBlocker { value: v, span } => {
[INFO] [stdout]     |                                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/rew.rs:163:61
[INFO] [stdout]     |
[INFO] [stdout] 163 | ...                   SValue::EdgeBlocker { value: v, span } => {
[INFO] [stdout]     |                                                       ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/rew.rs:264:37
[INFO] [stdout]     |
[INFO] [stdout] 264 |         SValue::Param { block, idx, ty } => {
[INFO] [stdout]     |                                     ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/rew.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |             span,
[INFO] [stdout]     |             ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/rew.rs:271:38
[INFO] [stdout]     |
[INFO] [stdout] 271 |         SValue::EdgeBlocker { value, span } => mangle_value(ctxt, func, *value),
[INFO] [stdout]     |                                      ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/simplify.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |         for (k, kd) in self.blocks.iter_mut() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/simplify.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |                     span,
[INFO] [stdout]    |                     ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/simplify.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 Item::Just { id } => None,
[INFO] [stdout]    |                              ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/simplify.rs:165:45
[INFO] [stdout]     |
[INFO] [stdout] 165 | ...                   (_, _, Some(v), Some(v2)) => (left?, right?),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]    --> src/simplify.rs:165:54
[INFO] [stdout]     |
[INFO] [stdout] 165 | ...                   (_, _, Some(v), Some(v2)) => (left?, right?),
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/simplify.rs:428:30
[INFO] [stdout]     |
[INFO] [stdout] 428 |                 Item::Func { func, arrow } => None,
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `func: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arrow`
[INFO] [stdout]    --> src/simplify.rs:428:36
[INFO] [stdout]     |
[INFO] [stdout] 428 |                 Item::Func { func, arrow } => None,
[INFO] [stdout]     |                                    ^^^^^ help: try ignoring the field: `arrow: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callee`
[INFO] [stdout]    --> src/simplify.rs:430:30
[INFO] [stdout]     |
[INFO] [stdout] 430 |                 Item::Call { callee, args } => None,
[INFO] [stdout]     |                              ^^^^^^ help: try ignoring the field: `callee: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/simplify.rs:430:38
[INFO] [stdout]     |
[INFO] [stdout] 430 |                 Item::Call { callee, args } => None,
[INFO] [stdout]     |                                      ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `members`
[INFO] [stdout]    --> src/simplify.rs:431:29
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 Item::Obj { members } => None,
[INFO] [stdout]     |                             ^^^^^^^ help: try ignoring the field: `members: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `members`
[INFO] [stdout]    --> src/simplify.rs:432:29
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 Item::Arr { members } => None,
[INFO] [stdout]     |                             ^^^^^^^ help: try ignoring the field: `members: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/simplify.rs:433:31
[INFO] [stdout]     |
[INFO] [stdout] 433 |                 Item::Yield { value, delegate } => None,
[INFO] [stdout]     |                               ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delegate`
[INFO] [stdout]    --> src/simplify.rs:433:38
[INFO] [stdout]     |
[INFO] [stdout] 433 |                 Item::Yield { value, delegate } => None,
[INFO] [stdout]     |                                      ^^^^^^^^ help: try ignoring the field: `delegate: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/simplify.rs:434:31
[INFO] [stdout]     |
[INFO] [stdout] 434 |                 Item::Await { value } => None,
[INFO] [stdout]     |                               ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/opt_stub.rs:52:42
[INFO] [stdout]    |
[INFO] [stdout] 52 | ...                   &mut |_, f| todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/lib.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 span,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/lib.rs:95:38
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 SValue::Item { item, span } => match item {
[INFO] [stdout]    |                                      ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:216:38
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 SValue::Item { item, span } => {
[INFO] [stdout]     |                                      ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:212:25
[INFO] [stdout]     |
[INFO] [stdout] 212 |             .flat_map(|(a, b)| match &b.value {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/lib.rs:280:29
[INFO] [stdout]     |
[INFO] [stdout] 280 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                             ^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:280:36
[INFO] [stdout]     |
[INFO] [stdout] 280 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                                    ^^^ help: try ignoring the field: `idx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/lib.rs:280:41
[INFO] [stdout]     |
[INFO] [stdout] 280 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                                         ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:281:34
[INFO] [stdout]     |
[INFO] [stdout] 281 |             SValue::Item { item, span } => Box::new(item.refs().map(|a| *a)),
[INFO] [stdout]     |                                  ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/lib.rs:285:31
[INFO] [stdout]     |
[INFO] [stdout] 285 |                     LId::Id { id } => todo!(),
[INFO] [stdout]     |                               ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/lib.rs:292:31
[INFO] [stdout]     |
[INFO] [stdout] 292 |             SValue::StoreId { target, val } => Box::new(once(*val)),
[INFO] [stdout]     |                               ^^^^^^ help: try ignoring the field: `target: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:293:45
[INFO] [stdout]     |
[INFO] [stdout] 293 |             SValue::EdgeBlocker { value: a, span } => Box::new(once(*a)),
[INFO] [stdout]     |                                             ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/lib.rs:394:29
[INFO] [stdout]     |
[INFO] [stdout] 394 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                             ^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:394:36
[INFO] [stdout]     |
[INFO] [stdout] 394 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                                    ^^^ help: try ignoring the field: `idx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/lib.rs:394:41
[INFO] [stdout]     |
[INFO] [stdout] 394 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                                         ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:395:34
[INFO] [stdout]     |
[INFO] [stdout] 395 |             SValue::Item { item, span } => Box::new(item.refs()),
[INFO] [stdout]     |                                  ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/lib.rs:399:31
[INFO] [stdout]     |
[INFO] [stdout] 399 |                     LId::Id { id } => todo!(),
[INFO] [stdout]     |                               ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/lib.rs:406:31
[INFO] [stdout]     |
[INFO] [stdout] 406 |             SValue::StoreId { target, val } => Box::new(once(val)),
[INFO] [stdout]     |                               ^^^^^^ help: try ignoring the field: `target: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:407:45
[INFO] [stdout]     |
[INFO] [stdout] 407 |             SValue::EdgeBlocker { value: a, span } => Box::new(once(a)),
[INFO] [stdout]     |                                             ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/lib.rs:412:29
[INFO] [stdout]     |
[INFO] [stdout] 412 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                             ^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:412:36
[INFO] [stdout]     |
[INFO] [stdout] 412 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                                    ^^^ help: try ignoring the field: `idx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/lib.rs:412:41
[INFO] [stdout]     |
[INFO] [stdout] 412 |             SValue::Param { block, idx, ty } => Box::new(empty()),
[INFO] [stdout]     |                                         ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:413:34
[INFO] [stdout]     |
[INFO] [stdout] 413 |             SValue::Item { item, span } => item.refs_mut(),
[INFO] [stdout]     |                                  ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/lib.rs:417:31
[INFO] [stdout]     |
[INFO] [stdout] 417 |                     LId::Id { id } => todo!(),
[INFO] [stdout]     |                               ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/lib.rs:424:31
[INFO] [stdout]     |
[INFO] [stdout] 424 |             SValue::StoreId { target, val } => Box::new(once(val)),
[INFO] [stdout]     |                               ^^^^^^ help: try ignoring the field: `target: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:425:45
[INFO] [stdout]     |
[INFO] [stdout] 425 |             SValue::EdgeBlocker { value: a, span } => Box::new(once(a)),
[INFO] [stdout]     |                                             ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/lib.rs:686:21
[INFO] [stdout]     |
[INFO] [stdout] 686 |                 let flags = match a.clone() {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:654:21
[INFO] [stdout]     |
[INFO] [stdout] 654 |                 let mut b = b.as_ref();
[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: field `map` is never read
[INFO] [stdout]  --> src/opt_stub.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct OptStub {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     map: BTreeMap<Id<SBlock>, Id<SBlock>>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `go` is never used
[INFO] [stdout]  --> src/opt_stub.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl OptStub {
[INFO] [stdout]   | ------------ method in this implementation
[INFO] [stdout] 8 |     fn go(
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "6cb0889e42d4d80e76ff239a73b646775598ae1608500f2dd87abe666034576d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb0889e42d4d80e76ff239a73b646775598ae1608500f2dd87abe666034576d", kill_on_drop: false }`
[INFO] [stdout] 6cb0889e42d4d80e76ff239a73b646775598ae1608500f2dd87abe666034576d