[INFO] cloning repository https://github.com/ebinwalter/klein
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ebinwalter/klein" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febinwalter%2Fklein", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febinwalter%2Fklein'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5eb20297fc3d1868579b671bb14c8677934caaf
[INFO] checking ebinwalter/klein against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febinwalter%2Fklein" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ebinwalter/klein
[INFO] finished tweaking git repo https://github.com/ebinwalter/klein
[INFO] tweaked toml for git repo https://github.com/ebinwalter/klein written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ebinwalter/klein on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ebinwalter/klein 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13a820f51cc87e0767f9db9bffb4a925f894752fefff3ec13923018f260f6968
[INFO] running `Command { std: "docker" "start" "-a" "13a820f51cc87e0767f9db9bffb4a925f894752fefff3ec13923018f260f6968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13a820f51cc87e0767f9db9bffb4a925f894752fefff3ec13923018f260f6968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a820f51cc87e0767f9db9bffb4a925f894752fefff3ec13923018f260f6968", kill_on_drop: false }`
[INFO] [stdout] 13a820f51cc87e0767f9db9bffb4a925f894752fefff3ec13923018f260f6968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 682dfeb1fd9c364e435ae5906b7a67da1b0efacaf27e34d2993637f691221738
[INFO] running `Command { std: "docker" "start" "-a" "682dfeb1fd9c364e435ae5906b7a67da1b0efacaf27e34d2993637f691221738", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling cactus v1.0.7
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]    Compiling vergen v8.3.2
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling lrpar v0.13.10
[INFO] [stderr]    Compiling lrlex v0.13.10
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking vob v3.0.4
[INFO] [stderr]     Checking packedvec v1.2.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sparsevec v0.2.2
[INFO] [stderr]     Checking cfgrammar v0.13.10
[INFO] [stderr]     Checking lrtable v0.13.10
[INFO] [stderr]    Compiling kleinc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `if_let_guard` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(deref_patterns, if_let_guard)]
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![feature]`
[INFO] [stdout]  --> src/ast/contexts.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: this attribute does not have an `!`, which means it is applied to this use
[INFO] [stdout]  --> src/ast/contexts.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lrpar::Span;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `if_let_guard` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(deref_patterns, if_let_guard)]
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![feature]`
[INFO] [stdout]  --> src/ast/contexts.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: this attribute does not have an `!`, which means it is applied to this use
[INFO] [stdout]  --> src/ast/contexts.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lrpar::Span;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cg`
[INFO] [stdout]   --> src/ast/exprs/ops.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]    |                       ^^ help: if this is intentional, prefix it with an underscore: `_cg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs_ty`
[INFO] [stdout]   --> src/ast/exprs/ops.rs:16:41
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lhs_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs_ty`
[INFO] [stdout]    --> src/ast/exprs/ops.rs:306:41
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lhs_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs_ty`
[INFO] [stdout]    --> src/ast/exprs/ops.rs:350:41
[INFO] [stdout]     |
[INFO] [stdout] 350 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lhs_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs_ty`
[INFO] [stdout]    --> src/ast/exprs/ops.rs:371:41
[INFO] [stdout]     |
[INFO] [stdout] 371 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lhs_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs_ty`
[INFO] [stdout]    --> src/ast/exprs/ops.rs:439:41
[INFO] [stdout]     |
[INFO] [stdout] 439 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lhs_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs_ty`
[INFO] [stdout]    --> src/ast/exprs/ops.rs:470:41
[INFO] [stdout]     |
[INFO] [stdout] 470 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lhs_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cg`
[INFO] [stdout]   --> src/ast/exprs/ops.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]    |                       ^^ help: if this is intentional, prefix it with an underscore: `_cg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs_ty`
[INFO] [stdout]   --> src/ast/exprs/ops.rs:16:41
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lhs_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs_ty`
[INFO] [stdout]    --> src/ast/exprs/ops.rs:306:41
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lhs_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs_ty`
[INFO] [stdout]    --> src/ast/exprs/ops.rs:350:41
[INFO] [stdout]     |
[INFO] [stdout] 350 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lhs_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs_ty`
[INFO] [stdout]    --> src/ast/exprs/ops.rs:371:41
[INFO] [stdout]     |
[INFO] [stdout] 371 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lhs_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs_ty`
[INFO] [stdout]    --> src/ast/exprs/ops.rs:439:41
[INFO] [stdout]     |
[INFO] [stdout] 439 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lhs_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs_ty`
[INFO] [stdout]    --> src/ast/exprs/ops.rs:470:41
[INFO] [stdout]     |
[INFO] [stdout] 470 |     fn codegen(&self, cg: &mut Codegen, lhs_ty: &Type) {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lhs_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tc`
[INFO] [stdout]   --> src/ast/mod.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn split_decl(&self, tc: &mut TypeCache) -> Option<(Rc<dyn Decl>, Rc<dyn Stmt>)> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_tc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tc`
[INFO] [stdout]   --> src/ast/mod.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn split_decl(&self, tc: &mut TypeCache) -> Option<(Rc<dyn Decl>, Rc<dyn Stmt>)> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_tc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/kleinc-9543bac3021d928d/out/klein.y.rs:1281:11
[INFO] [stdout]      |
[INFO] [stdout] 1281 |     let ((line, col), _) = __gt_lexer.line_col(span);
[INFO] [stdout]      |           ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/kleinc-9543bac3021d928d/out/klein.y.rs:1281:17
[INFO] [stdout]      |
[INFO] [stdout] 1281 |     let ((line, col), _) = __gt_lexer.line_col(span);
[INFO] [stdout]      |                 ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/kleinc-9543bac3021d928d/out/klein.y.rs:1281:11
[INFO] [stdout]      |
[INFO] [stdout] 1281 |     let ((line, col), _) = __gt_lexer.line_col(span);
[INFO] [stdout]      |           ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/kleinc-9543bac3021d928d/out/klein.y.rs:1281:17
[INFO] [stdout]      |
[INFO] [stdout] 1281 |     let ((line, col), _) = __gt_lexer.line_col(span);
[INFO] [stdout]      |                 ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast/mod.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | impl Program {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 155 |     pub fn new(decls: Vec<BoxDecl>) -> Rc<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast/mod.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 242 | impl ScopeBlock {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 243 |     fn new(list: Vec<DeclOrStmt>) -> Rc<Self> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast/exprs.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl IntLit {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 36 |     pub fn new(value: usize, line: usize, col: usize) -> Rc<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast/exprs.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl StringLit {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 78 |     pub fn new(span: Span, line: usize, col: usize) -> Rc<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast/exprs.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl BoolLit {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 124 |     pub fn new(value: bool, line: usize, col: usize) -> Rc<BoolLit> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fun_sym` is never read
[INFO] [stdout]    --> src/ast/exprs.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 333 | pub struct CallExpr {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 336 |     pub fun_sym: OnceCell<Rc<FuncSymbol>>
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast/exprs.rs:736:12
[INFO] [stdout]     |
[INFO] [stdout] 735 | impl IndexExpr {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 736 |     pub fn new(ptr: Boxpr, index: Boxpr) -> Boxpr {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast/stmts.rs:266:12
[INFO] [stdout]     |
[INFO] [stdout] 265 | impl InputStmt {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 266 |     pub fn new(loc: BoxLoc) -> Rc<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast/stmts.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 346 | impl OutputStmt {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 347 |     pub fn new(expr: Boxpr) -> Rc<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SelfRef` is never constructed
[INFO] [stdout]   --> src/ast/types.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Type {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     SelfRef,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `offset_stack` is never read
[INFO] [stdout]    --> src/ast/contexts.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct NameAnalysisContext<'a> {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub offset_stack: Vec<u32>,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `start_frame`, `end_frame`, `start_branch`, `end_branch`, and `add_offset` are never used
[INFO] [stdout]    --> src/ast/contexts.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl<'a> NameAnalysisContext<'a> {
[INFO] [stdout]     | -------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn start_frame(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn end_frame(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn start_branch(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn end_branch(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn add_offset(&mut self, size: u32) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `struct_sym` is never used
[INFO] [stdout]   --> src/symbols.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Symbol {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 16 |     pub fn struct_sym(&self) -> Option<Rc<StructDeclSymbol>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scope` is never read
[INFO] [stdout]   --> src/symbols.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct FuncSymbol {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 44 |     pub id: String,
[INFO] [stdout] 45 |     pub scope: TableLayer,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `box_decl` is never used
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/kleinc-9543bac3021d928d/out/klein.y.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn box_decl<T: Decl + 'static>(decl: T) -> BoxDecl {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `box_loc` is never used
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/kleinc-9543bac3021d928d/out/klein.y.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn box_loc<T: Loc + 'static>(loc: T) -> BoxLoc {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_i32` is never used
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/kleinc-9543bac3021d928d/out/klein.y.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn parse_i32(s: &str) -> Result<i32, ()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ast/mod.rs:272:21
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn get_list(&self) -> std::cell::Ref<Vec<DeclOrStmt>> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn get_list(&self) -> std::cell::Ref<'_, Vec<DeclOrStmt>> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/symbols.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 vs.global.set(true);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let _ = vs.global.set(true);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/symbols.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 vs.global.set(false);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 let _ = vs.global.set(false);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast/mod.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | impl Program {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 155 |     pub fn new(decls: Vec<BoxDecl>) -> Rc<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast/mod.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 242 | impl ScopeBlock {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 243 |     fn new(list: Vec<DeclOrStmt>) -> Rc<Self> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast/exprs.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl IntLit {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 36 |     pub fn new(value: usize, line: usize, col: usize) -> Rc<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast/exprs.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl StringLit {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 78 |     pub fn new(span: Span, line: usize, col: usize) -> Rc<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast/exprs.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl BoolLit {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 124 |     pub fn new(value: bool, line: usize, col: usize) -> Rc<BoolLit> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fun_sym` is never read
[INFO] [stdout]    --> src/ast/exprs.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 333 | pub struct CallExpr {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 336 |     pub fun_sym: OnceCell<Rc<FuncSymbol>>
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast/exprs.rs:736:12
[INFO] [stdout]     |
[INFO] [stdout] 735 | impl IndexExpr {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 736 |     pub fn new(ptr: Boxpr, index: Boxpr) -> Boxpr {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast/stmts.rs:266:12
[INFO] [stdout]     |
[INFO] [stdout] 265 | impl InputStmt {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 266 |     pub fn new(loc: BoxLoc) -> Rc<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast/stmts.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 346 | impl OutputStmt {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 347 |     pub fn new(expr: Boxpr) -> Rc<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SelfRef` is never constructed
[INFO] [stdout]   --> src/ast/types.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Type {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     SelfRef,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `offset_stack` is never read
[INFO] [stdout]    --> src/ast/contexts.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct NameAnalysisContext<'a> {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub offset_stack: Vec<u32>,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `start_frame`, `end_frame`, `start_branch`, `end_branch`, and `add_offset` are never used
[INFO] [stdout]    --> src/ast/contexts.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl<'a> NameAnalysisContext<'a> {
[INFO] [stdout]     | -------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn start_frame(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn end_frame(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn start_branch(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn end_branch(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn add_offset(&mut self, size: u32) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `struct_sym` is never used
[INFO] [stdout]   --> src/symbols.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Symbol {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 16 |     pub fn struct_sym(&self) -> Option<Rc<StructDeclSymbol>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scope` is never read
[INFO] [stdout]   --> src/symbols.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct FuncSymbol {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 44 |     pub id: String,
[INFO] [stdout] 45 |     pub scope: TableLayer,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `box_decl` is never used
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/kleinc-9543bac3021d928d/out/klein.y.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn box_decl<T: Decl + 'static>(decl: T) -> BoxDecl {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `box_loc` is never used
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/kleinc-9543bac3021d928d/out/klein.y.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn box_loc<T: Loc + 'static>(loc: T) -> BoxLoc {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_i32` is never used
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/kleinc-9543bac3021d928d/out/klein.y.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn parse_i32(s: &str) -> Result<i32, ()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ast/mod.rs:272:21
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn get_list(&self) -> std::cell::Ref<Vec<DeclOrStmt>> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn get_list(&self) -> std::cell::Ref<'_, Vec<DeclOrStmt>> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/symbols.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 vs.global.set(true);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let _ = vs.global.set(true);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/symbols.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 vs.global.set(false);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 let _ = vs.global.set(false);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.34s
[INFO] running `Command { std: "docker" "inspect" "682dfeb1fd9c364e435ae5906b7a67da1b0efacaf27e34d2993637f691221738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "682dfeb1fd9c364e435ae5906b7a67da1b0efacaf27e34d2993637f691221738", kill_on_drop: false }`
[INFO] [stdout] 682dfeb1fd9c364e435ae5906b7a67da1b0efacaf27e34d2993637f691221738
