[INFO] cloning repository https://github.com/ConnorVoisey/lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConnorVoisey/lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorVoisey%2Flang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorVoisey%2Flang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2038281fe3aecc58af2fe38f4e0b9a38a9020896 [INFO] checking ConnorVoisey/lang/2038281fe3aecc58af2fe38f4e0b9a38a9020896 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorVoisey%2Flang" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ConnorVoisey/lang [INFO] finished tweaking git repo https://github.com/ConnorVoisey/lang [INFO] tweaked toml for git repo https://github.com/ConnorVoisey/lang written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ConnorVoisey/lang on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ConnorVoisey/lang 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51ffa26b2b6fcbf522f67e5df5421c5d414ef39efcddad967c3da58828dedc0c [INFO] running `Command { std: "docker" "start" "-a" "51ffa26b2b6fcbf522f67e5df5421c5d414ef39efcddad967c3da58828dedc0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51ffa26b2b6fcbf522f67e5df5421c5d414ef39efcddad967c3da58828dedc0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51ffa26b2b6fcbf522f67e5df5421c5d414ef39efcddad967c3da58828dedc0c", kill_on_drop: false }` [INFO] [stdout] 51ffa26b2b6fcbf522f67e5df5421c5d414ef39efcddad967c3da58828dedc0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a5443dab14fa6bf7019b1c0e64e85791d7d3c2888f1b361574c3351ec45450d [INFO] running `Command { std: "docker" "start" "-a" "7a5443dab14fa6bf7019b1c0e64e85791d7d3c2888f1b361574c3351ec45450d", kill_on_drop: false }` [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling cranelift-srcgen v0.123.2 [INFO] [stderr] Checking foldhash v0.1.5 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling cranelift-isle v0.123.2 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Compiling libm v0.2.15 [INFO] [stderr] Compiling cranelift-codegen-shared v0.123.2 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Checking allocator-api2 v0.2.21 [INFO] [stderr] Compiling target-lexicon v0.13.3 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking cranelift-bitset v0.123.2 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Checking arbitrary v1.4.2 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking rustc-hash v2.1.1 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking tracing-core v0.1.34 [INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Checking hashbrown v0.15.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Checking cranelift-entity v0.123.2 [INFO] [stderr] Compiling cranelift-assembler-x64-meta v0.123.2 [INFO] [stderr] Checking cranelift-bforest v0.123.2 [INFO] [stderr] Checking bumpalo v3.19.0 [INFO] [stderr] Checking nu-ansi-term v0.50.1 [INFO] [stderr] Compiling serde_core v1.0.223 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling anyhow v1.0.99 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Checking tracing-subscriber v0.3.20 [INFO] [stderr] Compiling owo-colors v4.2.2 [INFO] [stderr] Checking indexmap v2.11.1 [INFO] [stderr] Checking regalloc2 v0.12.2 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking cranelift-control v0.123.2 [INFO] [stderr] Checking anstyle-parse v0.2.7 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking gimli v0.31.1 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking is_terminal_polyfill v1.70.2 [INFO] [stderr] Compiling eyre v0.6.12 [INFO] [stderr] Checking anstyle v1.0.13 [INFO] [stderr] Checking anstyle-query v1.1.4 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling color-spantrace v0.3.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking colorchoice v1.0.4 [INFO] [stderr] Compiling object v0.37.3 [INFO] [stderr] Checking adler2 v2.0.1 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking anstream v0.6.21 [INFO] [stderr] Checking wasmtime-internal-math v36.0.2 [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Checking gimli v0.32.3 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking clap_lex v0.7.6 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking rustc-demangle v0.1.26 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking indenter v0.3.4 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking slab v0.4.11 [INFO] [stderr] Compiling cranelift-codegen-meta v0.123.2 [INFO] [stderr] Checking clap_builder v4.5.51 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking unicode-width v0.2.1 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking tracing-tree v0.4.1 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking codespan-reporting v0.12.0 [INFO] [stderr] Checking colored v3.0.0 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking quickscope v0.2.0 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Compiling cranelift-assembler-x64 v0.123.2 [INFO] [stderr] Checking addr2line v0.24.2 [INFO] [stderr] Compiling cranelift-codegen v0.123.2 [INFO] [stderr] Checking backtrace v0.3.75 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking tracing-chrome v0.7.2 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling clap_derive v4.5.49 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking tracing-error v0.2.1 [INFO] [stderr] Checking color-eyre v0.6.5 [INFO] [stderr] Checking clap v4.5.51 [INFO] [stderr] Checking cranelift-module v0.123.2 [INFO] [stderr] Checking cranelift-native v0.123.2 [INFO] [stderr] Checking cranelift-frontend v0.123.2 [INFO] [stderr] Checking cranelift-object v0.123.2 [INFO] [stderr] Checking cranelift v0.123.2 [INFO] [stderr] Checking lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `StructLayout` and `self` [INFO] [stdout] --> src/rvsdg/builder.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | struct_layout::{self, StructLayout}, [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StructId` [INFO] [stdout] --> src/rvsdg/to_cranelift.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | types::{StructId, TypeArena, TypeId, TypeKind}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TokenKind`, `Token`, and `VarType` [INFO] [stdout] --> src/ast/ast_import.rs:71:20 [INFO] [stdout] | [INFO] [stdout] 71 | ast::{Ast, VarType}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 72 | interner::{Interner, SharedInterner}, [INFO] [stdout] 73 | lexer::{Lexer, Token, TokenKind}, [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pretty_assertions::assert_eq` [INFO] [stdout] --> src/ast/ast_import.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | use pretty_assertions::assert_eq; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/ast/ast_struct.rs:179:24 [INFO] [stdout] | [INFO] [stdout] 179 | lexer::{Lexer, Token, TokenKind}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `StructLayout` and `self` [INFO] [stdout] --> src/rvsdg/builder.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | struct_layout::{self, StructLayout}, [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/rvsdg/optimize.rs:151:9 [INFO] [stdout] | [INFO] [stdout] 151 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StructId` [INFO] [stdout] --> src/rvsdg/to_cranelift.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | types::{StructId, TypeArena, TypeId, TypeKind}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cached_node` [INFO] [stdout] --> src/rvsdg/builder.rs:157:22 [INFO] [stdout] | [INFO] [stdout] 157 | if let Some(&cached_node) = self.value_cache.get(&key) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cached_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/rvsdg/builder.rs:435:13 [INFO] [stdout] | [INFO] [stdout] 435 | let ty = value.node; // Placeholder - we'd need to track types properly [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/rvsdg/graphviz.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | _ => ("white", "rounded"), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/rvsdg/graphviz.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 100 | NodeKind::Lambda { .. } | NodeKind::Gamma { .. } | NodeKind::Theta { .. } => { [INFO] [stdout] | ------------------------------------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 103 | NodeKind::Const { .. } => ("lightgreen", "filled,rounded"), [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] 104 | NodeKind::Binary { .. } | NodeKind::Unary { .. } => ("lightyellow", "filled,rounded"), [INFO] [stdout] | ------------------------------------------------ matches some of the same values [INFO] [stdout] 105 | NodeKind::Call { .. } => ("orange", "filled,rounded"), [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 113 | _ => ("white", "rounded"), [INFO] [stdout] | ^ ...and 3 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `outer_state` [INFO] [stdout] --> src/rvsdg/lower/theta.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | let outer_state = self.current_state; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `call_conv` [INFO] [stdout] --> src/rvsdg/to_cranelift.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | call_conv: CallConv, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_call_conv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/rvsdg/to_cranelift.rs:774:31 [INFO] [stdout] | [INFO] [stdout] 774 | NodeKind::Store { ty, inputs } => { [INFO] [stdout] | ^^ help: try ignoring the field: `ty: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `StructFieldAddr` is never constructed [INFO] [stdout] --> src/rvsdg/mod.rs:627:5 [INFO] [stdout] | [INFO] [stdout] 623 | pub(crate) enum NodeKeyKind { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 627 | StructFieldAddr { field: FieldId }, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NodeKeyKind` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `RegionBuilder` is never constructed [INFO] [stdout] --> src/rvsdg/builder.rs:59:12 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct RegionBuilder<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `fb` and `region_id` are never read [INFO] [stdout] --> src/rvsdg/builder.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct RegionBuilder<'a> { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 60 | fb: &'a mut FunctionBuilder<'a>, [INFO] [stdout] | ^^ [INFO] [stdout] 61 | region_id: RegionId, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `block_map` is never read [INFO] [stdout] --> src/rvsdg/to_cranelift.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 60 | pub struct FunctionCompiler<'a, 'b> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 71 | block_map: FxHashMap>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Token` instead of cloning the inner type [INFO] [stdout] --> src/ast/ast_struct.rs:141:38 [INFO] [stdout] | [INFO] [stdout] 141 | let token = token.clone().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lang` (lib) due to 1 previous error; 12 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/ast/ast_import.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let i = shared_interner.write(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args_mapped` [INFO] [stdout] --> src/ast/ast_import.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | let args_mapped = args [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_mapped` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ast/ast_struct.rs:202:13 [INFO] [stdout] | [INFO] [stdout] 202 | let mut i = shared_interner.write(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cached_node` [INFO] [stdout] --> src/rvsdg/builder.rs:157:22 [INFO] [stdout] | [INFO] [stdout] 157 | if let Some(&cached_node) = self.value_cache.get(&key) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cached_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/rvsdg/builder.rs:435:13 [INFO] [stdout] | [INFO] [stdout] 435 | let ty = value.node; // Placeholder - we'd need to track types properly [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/rvsdg/graphviz.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | _ => ("white", "rounded"), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/rvsdg/graphviz.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 100 | NodeKind::Lambda { .. } | NodeKind::Gamma { .. } | NodeKind::Theta { .. } => { [INFO] [stdout] | ------------------------------------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 103 | NodeKind::Const { .. } => ("lightgreen", "filled,rounded"), [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] 104 | NodeKind::Binary { .. } | NodeKind::Unary { .. } => ("lightyellow", "filled,rounded"), [INFO] [stdout] | ------------------------------------------------ matches some of the same values [INFO] [stdout] 105 | NodeKind::Call { .. } => ("orange", "filled,rounded"), [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 113 | _ => ("white", "rounded"), [INFO] [stdout] | ^ ...and 3 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `outer_state` [INFO] [stdout] --> src/rvsdg/lower/theta.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | let outer_state = self.current_state; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `call_conv` [INFO] [stdout] --> src/rvsdg/to_cranelift.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | call_conv: CallConv, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_call_conv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/rvsdg/to_cranelift.rs:774:31 [INFO] [stdout] | [INFO] [stdout] 774 | NodeKind::Store { ty, inputs } => { [INFO] [stdout] | ^^ help: try ignoring the field: `ty: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `StructFieldAddr` is never constructed [INFO] [stdout] --> src/rvsdg/mod.rs:627:5 [INFO] [stdout] | [INFO] [stdout] 623 | pub(crate) enum NodeKeyKind { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 627 | StructFieldAddr { field: FieldId }, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NodeKeyKind` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `RegionBuilder` is never constructed [INFO] [stdout] --> src/rvsdg/builder.rs:59:12 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct RegionBuilder<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `fb` and `region_id` are never read [INFO] [stdout] --> src/rvsdg/builder.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct RegionBuilder<'a> { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 60 | fb: &'a mut FunctionBuilder<'a>, [INFO] [stdout] | ^^ [INFO] [stdout] 61 | region_id: RegionId, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `block_map` is never read [INFO] [stdout] --> src/rvsdg/to_cranelift.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 60 | pub struct FunctionCompiler<'a, 'b> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 71 | block_map: FxHashMap>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Token` instead of cloning the inner type [INFO] [stdout] --> src/ast/ast_struct.rs:141:38 [INFO] [stdout] | [INFO] [stdout] 141 | let token = token.clone().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lang` (lib test) due to 1 previous error; 19 warnings emitted [INFO] running `Command { std: "docker" "inspect" "7a5443dab14fa6bf7019b1c0e64e85791d7d3c2888f1b361574c3351ec45450d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a5443dab14fa6bf7019b1c0e64e85791d7d3c2888f1b361574c3351ec45450d", kill_on_drop: false }` [INFO] [stdout] 7a5443dab14fa6bf7019b1c0e64e85791d7d3c2888f1b361574c3351ec45450d