[INFO] updating cached repository https://github.com/ampersand-lang/etc-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f37c44024d91322a51c1dd5cdea9d2560827f75
[INFO] checking ampersand-lang/etc-rs against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fampersand-lang%2Fetc-rs" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ampersand-lang/etc-rs on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ampersand-lang/etc-rs
[INFO] finished tweaking git repo https://github.com/ampersand-lang/etc-rs
[INFO] tweaked toml for git repo https://github.com/ampersand-lang/etc-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ampersand-lang/etc-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 629d891cfc65b5bd3f68edafe0e4b918a27b355a47d299f03c85e9a09f86cefb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "629d891cfc65b5bd3f68edafe0e4b918a27b355a47d299f03c85e9a09f86cefb"`
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[INFO] [stderr] warning: unused imports: `QualifiedType`, `Type`
[INFO] [stderr]   --> src/pass/comptime.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::types::{QualifiedType, Type, TypeHandle};
[INFO] [stderr]    |                    ^^^^^^^^^^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::format`
[INFO] [stderr]   --> src/pass/infer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::format;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lex::Span`
[INFO] [stderr]   --> src/pass/infer.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::lex::Span;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ParseTree`, `Parser`
[INFO] [stderr]   --> src/pass/infer.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::parse::{ParseTree, Parser};
[INFO] [stderr]    |                    ^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `QualifiedType`, `Type`
[INFO] [stderr]   --> src/pass/comptime.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::types::{QualifiedType, Type, TypeHandle};
[INFO] [stderr]    |                    ^^^^^^^^^^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::format`
[INFO] [stderr]   --> src/pass/infer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::format;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lex::Span`
[INFO] [stderr]   --> src/pass/infer.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::lex::Span;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ParseTree`, `Parser`
[INFO] [stderr]   --> src/pass/infer.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::parse::{ParseTree, Parser};
[INFO] [stderr]    |                    ^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `varc`
[INFO] [stderr]    --> src/backend/cranelift/mod.rs:820:21
[INFO] [stderr]     |
[INFO] [stderr] 820 |                 let varc = argtypes.len() - sig.params.len();
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_varc`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `module`
[INFO] [stderr]    --> src/backend/cranelift/mod.rs:802:9
[INFO] [stderr]     |
[INFO] [stderr] 802 |         module: &mut Module<B>,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `app`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1059:29
[INFO] [stderr]      |
[INFO] [stderr] 1059 |                         let app = builder.ins().call(etc_variable_from_type, args);
[INFO] [stderr]      |                             ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1388:22
[INFO] [stderr]      |
[INFO] [stderr] 1388 |                 for (i, arg) in args.into_iter().enumerate() {
[INFO] [stderr]      |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1452:25
[INFO] [stderr]      |
[INFO] [stderr] 1452 |             Tree::Ast { first, rest, .. } => {
[INFO] [stderr]      |                         ^^^^^ help: try ignoring the field: `first: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1452:32
[INFO] [stderr]      |
[INFO] [stderr] 1452 |             Tree::Ast { first, rest, .. } => {
[INFO] [stderr]      |                                ^^^^ help: try ignoring the field: `rest: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elems`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1519:27
[INFO] [stderr]      |
[INFO] [stderr] 1519 |             Tree::Block { elems, .. } => todo!(),
[INFO] [stderr]      |                           ^^^^^ help: try ignoring the field: `elems: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1524:26
[INFO] [stderr]      |
[INFO] [stderr] 1524 |             Tree::Uint { value } => todo!(),
[INFO] [stderr]      |                          ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1987:37
[INFO] [stderr]      |
[INFO] [stderr] 1987 | ...                   let mut func = Function::with_name_signature(
[INFO] [stderr]      |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2241:38
[INFO] [stderr]      |
[INFO] [stderr] 2241 |                     ConstExpr::Float(f) => todo!(),
[INFO] [stderr]      |                                      ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2242:36
[INFO] [stderr]      |
[INFO] [stderr] 2242 |                     ConstExpr::Str(string) => todo!(),
[INFO] [stderr]      |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `array`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2243:38
[INFO] [stderr]      |
[INFO] [stderr] 2243 |                     ConstExpr::Array(array) => todo!(),
[INFO] [stderr]      |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_array`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `struc`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2244:39
[INFO] [stderr]      |
[INFO] [stderr] 2244 |                     ConstExpr::Struct(struc) => todo!(),
[INFO] [stderr]      |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_struc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `un`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2245:38
[INFO] [stderr]      |
[INFO] [stderr] 2245 |                     ConstExpr::Union(un) => todo!(),
[INFO] [stderr]      |                                      ^^ help: if this is intentional, prefix it with an underscore: `_un`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2246:37
[INFO] [stderr]      |
[INFO] [stderr] 2246 |                     ConstExpr::Enum(e) => todo!(),
[INFO] [stderr]      |                                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tagged`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2247:39
[INFO] [stderr]      |
[INFO] [stderr] 2247 |                     ConstExpr::Tagged(tagged) => todo!(),
[INFO] [stderr]      |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tagged`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `module`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2218:9
[INFO] [stderr]      |
[INFO] [stderr] 2218 |         module: &mut Module<B>,
[INFO] [stderr]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `types`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2282:13
[INFO] [stderr]      |
[INFO] [stderr] 2282 |         let types = ty.to_clif()?;
[INFO] [stderr]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_types`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2287:37
[INFO] [stderr]      |
[INFO] [stderr] 2287 |                     ConstExpr::Bool(p) => todo!(),
[INFO] [stderr]      |                                     ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2288:39
[INFO] [stderr]      |
[INFO] [stderr] 2288 |                     ConstExpr::Signed(i) => todo!(),
[INFO] [stderr]      |                                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2289:41
[INFO] [stderr]      |
[INFO] [stderr] 2289 |                     ConstExpr::Unsigned(u) => todo!(),
[INFO] [stderr]      |                                         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2290:38
[INFO] [stderr]      |
[INFO] [stderr] 2290 |                     ConstExpr::Float(f) => todo!(),
[INFO] [stderr]      |                                      ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `array`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2307:38
[INFO] [stderr]      |
[INFO] [stderr] 2307 |                     ConstExpr::Array(array) => todo!(),
[INFO] [stderr]      |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_array`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `struc`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2308:39
[INFO] [stderr]      |
[INFO] [stderr] 2308 |                     ConstExpr::Struct(struc) => todo!(),
[INFO] [stderr]      |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_struc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `un`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2309:38
[INFO] [stderr]      |
[INFO] [stderr] 2309 |                     ConstExpr::Union(un) => todo!(),
[INFO] [stderr]      |                                      ^^ help: if this is intentional, prefix it with an underscore: `_un`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2310:37
[INFO] [stderr]      |
[INFO] [stderr] 2310 |                     ConstExpr::Enum(e) => todo!(),
[INFO] [stderr]      |                                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tagged`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2311:39
[INFO] [stderr]      |
[INFO] [stderr] 2311 |                     ConstExpr::Tagged(tagged) => todo!(),
[INFO] [stderr]      |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tagged`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2312:37
[INFO] [stderr]      |
[INFO] [stderr] 2312 |                     ConstExpr::Type(ty) => todo!(),
[INFO] [stderr]      |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tree`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2313:37
[INFO] [stderr]      |
[INFO] [stderr] 2313 |                     ConstExpr::Tree(tree) => todo!(),
[INFO] [stderr]      |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]    --> src/backend/esc/mod.rs:487:13
[INFO] [stderr]     |
[INFO] [stderr] 487 |         let location = meta.location();
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_location`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]    --> src/backend/esc/mod.rs:502:21
[INFO] [stderr]     |
[INFO] [stderr] 502 |                 let ident: &String = bank.get(ident);
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tree`
[INFO] [stderr]    --> src/backend/esc/mod.rs:525:28
[INFO] [stderr]     |
[INFO] [stderr] 525 |             Tree::Interp { tree } => todo!(),
[INFO] [stderr]     |                            ^^^^ help: try ignoring the field: `tree: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/backend/esc/mod.rs:839:30
[INFO] [stderr]     |
[INFO] [stderr] 839 |                         Some(args) => {
[INFO] [stderr]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bank`
[INFO] [stderr]    --> src/backend/esc/mod.rs:852:41
[INFO] [stderr]     |
[INFO] [stderr] 852 | ...                   let bank = BANK.read().expect("BANK is poisoned");
[INFO] [stderr]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_bank`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `const_ctx`
[INFO] [stderr]    --> src/pass/comptime.rs:849:21
[INFO] [stderr]     |
[INFO] [stderr] 849 |                 let const_ctx = CONST_CTX.read().expect("CONST_CTX is poisoned");
[INFO] [stderr]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_const_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `const_ctx`
[INFO] [stderr]    --> src/pass/comptime.rs:863:21
[INFO] [stderr]     |
[INFO] [stderr] 863 |                 let const_ctx = CONST_CTX.read().expect("CONST_CTX is poisoned");
[INFO] [stderr]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_const_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/pass/infer.rs:131:36
[INFO] [stderr]     |
[INFO] [stderr] 131 |                         let (name, args) = match decl.tree()? {
[INFO] [stderr]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bank`
[INFO] [stderr]    --> src/pass/infer.rs:257:25
[INFO] [stderr]     |
[INFO] [stderr] 257 |                     let bank = BANK.read().expect("BANK is poisoned");
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_bank`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bank`
[INFO] [stderr]    --> src/pass/infer.rs:288:21
[INFO] [stderr]     |
[INFO] [stderr] 288 |                 let bank = BANK.read().expect("BANK is poisoned");
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_bank`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tag`
[INFO] [stderr]    --> src/pass/infer.rs:295:27
[INFO] [stderr]     |
[INFO] [stderr] 295 |             Tree::Array { tag, elems } => {
[INFO] [stderr]     |                           ^^^ help: try ignoring the field: `tag: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bank`
[INFO] [stderr]    --> src/pass/infer.rs:311:25
[INFO] [stderr]     |
[INFO] [stderr] 311 |                     let bank = BANK.read().expect("BANK is poisoned");
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_bank`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tag`
[INFO] [stderr]    --> src/pass/infer.rs:340:27
[INFO] [stderr]     |
[INFO] [stderr] 340 |             Tree::Block { tag, elems } => todo!(),
[INFO] [stderr]     |                           ^^^ help: try ignoring the field: `tag: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elems`
[INFO] [stderr]    --> src/pass/infer.rs:340:32
[INFO] [stderr]     |
[INFO] [stderr] 340 |             Tree::Block { tag, elems } => todo!(),
[INFO] [stderr]     |                                ^^^^^ help: try ignoring the field: `elems: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elems`
[INFO] [stderr]    --> src/pass/infer.rs:341:27
[INFO] [stderr]     |
[INFO] [stderr] 341 |             Tree::Tuple { elems } => todo!(),
[INFO] [stderr]     |                           ^^^^^ help: try ignoring the field: `elems: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lhs`
[INFO] [stderr]    --> src/pass/infer.rs:342:27
[INFO] [stderr]     |
[INFO] [stderr] 342 |             Tree::Index { lhs, rhs } => todo!(),
[INFO] [stderr]     |                           ^^^ help: try ignoring the field: `lhs: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/pass/infer.rs:342:32
[INFO] [stderr]     |
[INFO] [stderr] 342 |             Tree::Index { lhs, rhs } => todo!(),
[INFO] [stderr]     |                                ^^^ help: try ignoring the field: `rhs: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/pass/infer.rs:380:25
[INFO] [stderr]     |
[INFO] [stderr] 380 |             Tree::Str { value } => {
[INFO] [stderr]     |                         ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/pass/infer.rs:391:26
[INFO] [stderr]     |
[INFO] [stderr] 391 |             Tree::Uint { value } => {
[INFO] [stderr]     |                          ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `varc`
[INFO] [stderr]    --> src/backend/cranelift/mod.rs:820:21
[INFO] [stderr]     |
[INFO] [stderr] 820 |                 let varc = argtypes.len() - sig.params.len();
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_varc`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `module`
[INFO] [stderr]    --> src/backend/cranelift/mod.rs:802:9
[INFO] [stderr]     |
[INFO] [stderr] 802 |         module: &mut Module<B>,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `app`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1059:29
[INFO] [stderr]      |
[INFO] [stderr] 1059 |                         let app = builder.ins().call(etc_variable_from_type, args);
[INFO] [stderr]      |                             ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1388:22
[INFO] [stderr]      |
[INFO] [stderr] 1388 |                 for (i, arg) in args.into_iter().enumerate() {
[INFO] [stderr]      |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1452:25
[INFO] [stderr]      |
[INFO] [stderr] 1452 |             Tree::Ast { first, rest, .. } => {
[INFO] [stderr]      |                         ^^^^^ help: try ignoring the field: `first: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1452:32
[INFO] [stderr]      |
[INFO] [stderr] 1452 |             Tree::Ast { first, rest, .. } => {
[INFO] [stderr]      |                                ^^^^ help: try ignoring the field: `rest: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elems`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1519:27
[INFO] [stderr]      |
[INFO] [stderr] 1519 |             Tree::Block { elems, .. } => todo!(),
[INFO] [stderr]      |                           ^^^^^ help: try ignoring the field: `elems: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1524:26
[INFO] [stderr]      |
[INFO] [stderr] 1524 |             Tree::Uint { value } => todo!(),
[INFO] [stderr]      |                          ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1987:37
[INFO] [stderr]      |
[INFO] [stderr] 1987 | ...                   let mut func = Function::with_name_signature(
[INFO] [stderr]      |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2241:38
[INFO] [stderr]      |
[INFO] [stderr] 2241 |                     ConstExpr::Float(f) => todo!(),
[INFO] [stderr]      |                                      ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2242:36
[INFO] [stderr]      |
[INFO] [stderr] 2242 |                     ConstExpr::Str(string) => todo!(),
[INFO] [stderr]      |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `array`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2243:38
[INFO] [stderr]      |
[INFO] [stderr] 2243 |                     ConstExpr::Array(array) => todo!(),
[INFO] [stderr]      |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_array`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `struc`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2244:39
[INFO] [stderr]      |
[INFO] [stderr] 2244 |                     ConstExpr::Struct(struc) => todo!(),
[INFO] [stderr]      |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_struc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `un`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2245:38
[INFO] [stderr]      |
[INFO] [stderr] 2245 |                     ConstExpr::Union(un) => todo!(),
[INFO] [stderr]      |                                      ^^ help: if this is intentional, prefix it with an underscore: `_un`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2246:37
[INFO] [stderr]      |
[INFO] [stderr] 2246 |                     ConstExpr::Enum(e) => todo!(),
[INFO] [stderr]      |                                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tagged`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2247:39
[INFO] [stderr]      |
[INFO] [stderr] 2247 |                     ConstExpr::Tagged(tagged) => todo!(),
[INFO] [stderr]      |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tagged`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `module`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2218:9
[INFO] [stderr]      |
[INFO] [stderr] 2218 |         module: &mut Module<B>,
[INFO] [stderr]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `types`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2282:13
[INFO] [stderr]      |
[INFO] [stderr] 2282 |         let types = ty.to_clif()?;
[INFO] [stderr]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_types`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2287:37
[INFO] [stderr]      |
[INFO] [stderr] 2287 |                     ConstExpr::Bool(p) => todo!(),
[INFO] [stderr]      |                                     ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2288:39
[INFO] [stderr]      |
[INFO] [stderr] 2288 |                     ConstExpr::Signed(i) => todo!(),
[INFO] [stderr]      |                                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2289:41
[INFO] [stderr]      |
[INFO] [stderr] 2289 |                     ConstExpr::Unsigned(u) => todo!(),
[INFO] [stderr]      |                                         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2290:38
[INFO] [stderr]      |
[INFO] [stderr] 2290 |                     ConstExpr::Float(f) => todo!(),
[INFO] [stderr]      |                                      ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `array`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2307:38
[INFO] [stderr]      |
[INFO] [stderr] 2307 |                     ConstExpr::Array(array) => todo!(),
[INFO] [stderr]      |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_array`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `struc`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2308:39
[INFO] [stderr]      |
[INFO] [stderr] 2308 |                     ConstExpr::Struct(struc) => todo!(),
[INFO] [stderr]      |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_struc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `un`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2309:38
[INFO] [stderr]      |
[INFO] [stderr] 2309 |                     ConstExpr::Union(un) => todo!(),
[INFO] [stderr]      |                                      ^^ help: if this is intentional, prefix it with an underscore: `_un`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2310:37
[INFO] [stderr]      |
[INFO] [stderr] 2310 |                     ConstExpr::Enum(e) => todo!(),
[INFO] [stderr]      |                                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tagged`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2311:39
[INFO] [stderr]      |
[INFO] [stderr] 2311 |                     ConstExpr::Tagged(tagged) => todo!(),
[INFO] [stderr]      |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tagged`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2312:37
[INFO] [stderr]      |
[INFO] [stderr] 2312 |                     ConstExpr::Type(ty) => todo!(),
[INFO] [stderr]      |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tree`
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:2313:37
[INFO] [stderr]      |
[INFO] [stderr] 2313 |                     ConstExpr::Tree(tree) => todo!(),
[INFO] [stderr]      |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]    --> src/backend/esc/mod.rs:487:13
[INFO] [stderr]     |
[INFO] [stderr] 487 |         let location = meta.location();
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_location`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]    --> src/backend/esc/mod.rs:502:21
[INFO] [stderr]     |
[INFO] [stderr] 502 |                 let ident: &String = bank.get(ident);
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tree`
[INFO] [stderr]    --> src/backend/esc/mod.rs:525:28
[INFO] [stderr]     |
[INFO] [stderr] 525 |             Tree::Interp { tree } => todo!(),
[INFO] [stderr]     |                            ^^^^ help: try ignoring the field: `tree: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/backend/esc/mod.rs:839:30
[INFO] [stderr]     |
[INFO] [stderr] 839 |                         Some(args) => {
[INFO] [stderr]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bank`
[INFO] [stderr]    --> src/backend/esc/mod.rs:852:41
[INFO] [stderr]     |
[INFO] [stderr] 852 | ...                   let bank = BANK.read().expect("BANK is poisoned");
[INFO] [stderr]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_bank`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `const_ctx`
[INFO] [stderr]    --> src/pass/comptime.rs:849:21
[INFO] [stderr]     |
[INFO] [stderr] 849 |                 let const_ctx = CONST_CTX.read().expect("CONST_CTX is poisoned");
[INFO] [stderr]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_const_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `const_ctx`
[INFO] [stderr]    --> src/pass/comptime.rs:863:21
[INFO] [stderr]     |
[INFO] [stderr] 863 |                 let const_ctx = CONST_CTX.read().expect("CONST_CTX is poisoned");
[INFO] [stderr]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_const_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/pass/infer.rs:131:36
[INFO] [stderr]     |
[INFO] [stderr] 131 |                         let (name, args) = match decl.tree()? {
[INFO] [stderr]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bank`
[INFO] [stderr]    --> src/pass/infer.rs:257:25
[INFO] [stderr]     |
[INFO] [stderr] 257 |                     let bank = BANK.read().expect("BANK is poisoned");
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_bank`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bank`
[INFO] [stderr]    --> src/pass/infer.rs:288:21
[INFO] [stderr]     |
[INFO] [stderr] 288 |                 let bank = BANK.read().expect("BANK is poisoned");
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_bank`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tag`
[INFO] [stderr]    --> src/pass/infer.rs:295:27
[INFO] [stderr]     |
[INFO] [stderr] 295 |             Tree::Array { tag, elems } => {
[INFO] [stderr]     |                           ^^^ help: try ignoring the field: `tag: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bank`
[INFO] [stderr]    --> src/pass/infer.rs:311:25
[INFO] [stderr]     |
[INFO] [stderr] 311 |                     let bank = BANK.read().expect("BANK is poisoned");
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_bank`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tag`
[INFO] [stderr]    --> src/pass/infer.rs:340:27
[INFO] [stderr]     |
[INFO] [stderr] 340 |             Tree::Block { tag, elems } => todo!(),
[INFO] [stderr]     |                           ^^^ help: try ignoring the field: `tag: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elems`
[INFO] [stderr]    --> src/pass/infer.rs:340:32
[INFO] [stderr]     |
[INFO] [stderr] 340 |             Tree::Block { tag, elems } => todo!(),
[INFO] [stderr]     |                                ^^^^^ help: try ignoring the field: `elems: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elems`
[INFO] [stderr]    --> src/pass/infer.rs:341:27
[INFO] [stderr]     |
[INFO] [stderr] 341 |             Tree::Tuple { elems } => todo!(),
[INFO] [stderr]     |                           ^^^^^ help: try ignoring the field: `elems: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lhs`
[INFO] [stderr]    --> src/pass/infer.rs:342:27
[INFO] [stderr]     |
[INFO] [stderr] 342 |             Tree::Index { lhs, rhs } => todo!(),
[INFO] [stderr]     |                           ^^^ help: try ignoring the field: `lhs: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/pass/infer.rs:342:32
[INFO] [stderr]     |
[INFO] [stderr] 342 |             Tree::Index { lhs, rhs } => todo!(),
[INFO] [stderr]     |                                ^^^ help: try ignoring the field: `rhs: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/pass/infer.rs:380:25
[INFO] [stderr]     |
[INFO] [stderr] 380 |             Tree::Str { value } => {
[INFO] [stderr]     |                         ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/pass/infer.rs:391:26
[INFO] [stderr]     |
[INFO] [stderr] 391 |             Tree::Uint { value } => {
[INFO] [stderr]     |                          ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1987:37
[INFO] [stderr]      |
[INFO] [stderr] 1987 | ...                   let mut func = Function::with_name_signature(
[INFO] [stderr]      |                           ----^^^^
[INFO] [stderr]      |                           |
[INFO] [stderr]      |                           help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backend/esc/mod.rs:500:21
[INFO] [stderr]     |
[INFO] [stderr] 500 |                 let mut bank = BANK.write().expect("BANK is poisoned");
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/backend/cranelift/mod.rs:1987:37
[INFO] [stderr]      |
[INFO] [stderr] 1987 | ...                   let mut func = Function::with_name_signature(
[INFO] [stderr]      |                           ----^^^^
[INFO] [stderr]      |                           |
[INFO] [stderr]      |                           help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backend/esc/mod.rs:500:21
[INFO] [stderr]     |
[INFO] [stderr] 500 |                 let mut bank = BANK.write().expect("BANK is poisoned");
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_get_md_type`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     etc_get_md_type: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_get_md_value`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     etc_get_md_value: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_md_type_none`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     etc_md_type_none: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_node_tuple`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     etc_node_tuple: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_node_list_m`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     etc_node_list_m: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_node_array_m`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     etc_node_array_m: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_node_block_m`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     etc_node_block_m: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_node_tuple_m`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     etc_node_tuple_m: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `build`
[INFO] [stderr]    --> src/backend/esc/builder.rs:283:5
[INFO] [stderr]     |
[INFO] [stderr] 283 | /     pub fn build<S: Into<String>>(
[INFO] [stderr] 284 | |         &mut self,
[INFO] [stderr] 285 | |         func: FunctionHandle,
[INFO] [stderr] 286 | |         bb: BasicBlockHandle,
[INFO] [stderr] ...   |
[INFO] [stderr] 392 | |         Ok(local)
[INFO] [stderr] 393 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 63 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_get_md_type`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     etc_get_md_type: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_get_md_value`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     etc_get_md_value: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_md_type_none`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     etc_md_type_none: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_node_tuple`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     etc_node_tuple: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_node_list_m`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     etc_node_list_m: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_node_array_m`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     etc_node_array_m: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_node_block_m`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     etc_node_block_m: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etc_node_tuple_m`
[INFO] [stderr]   --> src/backend/cranelift/mod.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     etc_node_tuple_m: FuncId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `build`
[INFO] [stderr]    --> src/backend/esc/builder.rs:283:5
[INFO] [stderr]     |
[INFO] [stderr] 283 | /     pub fn build<S: Into<String>>(
[INFO] [stderr] 284 | |         &mut self,
[INFO] [stderr] 285 | |         func: FunctionHandle,
[INFO] [stderr] 286 | |         bb: BasicBlockHandle,
[INFO] [stderr] ...   |
[INFO] [stderr] 392 | |         Ok(local)
[INFO] [stderr] 393 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 63 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `"docker" "inspect" "629d891cfc65b5bd3f68edafe0e4b918a27b355a47d299f03c85e9a09f86cefb"`
[INFO] running `"docker" "rm" "-f" "629d891cfc65b5bd3f68edafe0e4b918a27b355a47d299f03c85e9a09f86cefb"`
[INFO] [stdout] 629d891cfc65b5bd3f68edafe0e4b918a27b355a47d299f03c85e9a09f86cefb