[INFO] fetching crate som 0.61.0...
[INFO] building som-0.61.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate som 0.61.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate som 0.61.0
[INFO] finished tweaking crates.io crate som 0.61.0
[INFO] tweaked toml for crates.io crate som 0.61.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate som 0.61.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate som 0.61.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal_size v0.4.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1de5eb459099cc98a1cc690828793d7afc09f7f2c28ca35954c1b61f6350aad1
[INFO] running `Command { std: "docker" "start" "-a" "1de5eb459099cc98a1cc690828793d7afc09f7f2c28ca35954c1b61f6350aad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de5eb459099cc98a1cc690828793d7afc09f7f2c28ca35954c1b61f6350aad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de5eb459099cc98a1cc690828793d7afc09f7f2c28ca35954c1b61f6350aad1", kill_on_drop: false }`
[INFO] [stdout] 1de5eb459099cc98a1cc690828793d7afc09f7f2c28ca35954c1b61f6350aad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03c43240eb33856d349857879666fad271dfcf214745d3a00a1ff42cec677193
[INFO] running `Command { std: "docker" "start" "-a" "03c43240eb33856d349857879666fad271dfcf214745d3a00a1ff42cec677193", kill_on_drop: false }`
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[INFO] [stderr]    Compiling arbitrary v1.4.1
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[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
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[INFO] [stderr]    Compiling same-file v1.0.6
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[INFO] [stderr]    Compiling yaml-rust v0.4.5
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[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling clap_builder v4.5.41
[INFO] [stderr]    Compiling supports-color v3.0.1
[INFO] [stderr]    Compiling terminal_size v0.4.1
[INFO] [stderr]    Compiling addr2line v0.22.0
[INFO] [stderr]    Compiling wasmtime-jit-icache-coherence v34.0.1
[INFO] [stderr]    Compiling region v3.0.2
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling supports-hyperlinks v3.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling clap-file v0.2.0
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling nucleo-matcher v0.3.1
[INFO] [stderr]    Compiling cranelift-codegen v0.121.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling onig v6.4.0
[INFO] [stderr]    Compiling clap v4.5.41
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling syntect v5.2.0
[INFO] [stderr]    Compiling miette v7.6.0
[INFO] [stderr]    Compiling cranelift-frontend v0.121.1
[INFO] [stderr]    Compiling cranelift-native v0.121.1
[INFO] [stderr]    Compiling cranelift-module v0.121.1
[INFO] [stderr]    Compiling cranelift-jit v0.121.1
[INFO] [stderr]    Compiling cranelift v0.121.1
[INFO] [stderr]    Compiling som v0.61.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `miette::SourceCode`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use miette::SourceCode;
[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 imports: `BufRead` and `PathBuf`
[INFO] [stdout]  --> src/main.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     io::{BufRead, Read},
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 7 |     path::{Path, PathBuf},
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JITBuilder`
[INFO] [stdout]  --> src/compiler/mod.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cranelift_jit::{JITBuilder, JITModule};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexer::Identifier`
[INFO] [stdout]  --> src/compiler/environment.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::lexer::Identifier;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compiler`
[INFO] [stdout]  --> src/expressions/binary/subtract.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{compiler, expressions::TypedExpressionValue, prelude::*};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::prelude::*`
[INFO] [stdout]  --> src/expressions/binary/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UserFuncName`
[INFO] [stdout]  --> src/expressions/function.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 |     codegen::ir::{Function, UserFuncName},
[INFO] [stdout]   |                             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Linkage`
[INFO] [stdout]  --> src/expressions/function.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cranelift_module::{FuncId, Linkage, Module};
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InstBuilder`
[INFO] [stdout]  --> src/expressions/group.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cranelift::prelude::{FunctionBuilder, InstBuilder};
[INFO] [stdout]   |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `miette::SourceSpan`
[INFO] [stdout]  --> src/lexer/token.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use miette::SourceSpan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExternFunctionSignature`
[INFO] [stdout]  --> src/statements/mod.rs:5:66
[INFO] [stdout]   |
[INFO] [stdout] 5 |     statements::extern_declaration::{ExternDeclarationStatement, ExternFunctionSignature},
[INFO] [stdout]   |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/types/mod.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{write, Display};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cranelift_module::Module`
[INFO] [stdout]  --> src/compiler/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cranelift_module::Module;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr_t`
[INFO] [stdout]   --> src/compiler/external.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let ptr_t = module.isa().pointer_type();
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ptr_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bp`
[INFO] [stdout]   --> src/expressions/call.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn parse(parser: &mut Parser, expression: Expression, bp: BindingPower) -> Result<Expression> {
[INFO] [stdout]    |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_bp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binding_power`
[INFO] [stdout]   --> src/expressions/conditional.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     binding_power: BindingPower,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binding_power`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]   --> src/expressions/group.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn compile(expression: &TypedExpression, function: &mut FunctionBuilder) -> CompileValue {
[INFO] [stdout]    |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> src/expressions/group.rs:49:46
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn compile(expression: &TypedExpression, function: &mut FunctionBuilder) -> CompileValue {
[INFO] [stdout]    |                                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]   --> src/expressions/identifier.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     compiler: &mut Compiler,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]   --> src/expressions/primary/boolean.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     compiler: &mut Compiler,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/expressions/primary/boolean.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     env: &mut CompileEnvironment,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]   --> src/expressions/primary/integer.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     compiler: &mut Compiler,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/expressions/primary/integer.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     env: &mut CompileEnvironment,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]   --> src/expressions/primary/integer.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     compiler: &mut Compiler,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/expressions/primary/integer.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     env: &mut CompileEnvironment,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]   --> src/expressions/primary/unit.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     compiler: &mut Compiler,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]   --> src/expressions/primary/unit.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     expression: &TypedExpression,
[INFO] [stdout]    |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/expressions/primary/unit.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     env: &mut crate::compiler::Environment,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lexer/mod.rs:196:21
[INFO] [stdout]     |
[INFO] [stdout] 196 |                     other => {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/prelude.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 |     expected: &TokenKind,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `help`
[INFO] [stdout]    --> src/prelude.rs:409:5
[INFO] [stdout]     |
[INFO] [stdout] 409 |     help: impl Into<String>,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_help`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_checker`
[INFO] [stdout]   --> src/statements/extern_declaration.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     type_checker: &mut TypeChecker,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_checker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]   --> src/statements/extern_declaration.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     compiler: &mut Compiler,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `statement`
[INFO] [stdout]   --> src/statements/extern_declaration.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     statement: &TypedStatement,
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/statements/extern_declaration.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     body: &mut FunctionBuilder,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/statements/extern_declaration.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     env: &mut CompileEnvironment,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]    --> src/types/mod.rs:121:33
[INFO] [stdout]     |
[INFO] [stdout] 121 |             TypeValue::Function(function) => todo!(),
[INFO] [stdout]     |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Argument` is never constructed
[INFO] [stdout]   --> src/expressions/function.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Argument<Expression> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile` is never used
[INFO] [stdout]   --> src/expressions/group.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn compile(expression: &TypedExpression, function: &mut FunctionBuilder) -> CompileValue {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GroupExpression` is never constructed
[INFO] [stdout]  --> src/expressions/identifier.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct GroupExpression<Expression> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]   --> src/parser/mod.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'source> Parser<'source> {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn next(&mut self) -> Option<Result<Token>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Comma`, `Relational`, `Unary`, `Member`, and `Primary` are never constructed
[INFO] [stdout]   --> src/parser/lookup.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum BindingPower {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout]  7 |     None = 0,
[INFO] [stdout]  8 |     Comma = 1,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Relational = 4,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Unary = 7,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     Call = 8,
[INFO] [stdout] 16 |     Member = 9,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     Primary = 10,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BindingPower` 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: method `add_left_type_handler` is never used
[INFO] [stdout]   --> src/parser/lookup.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Lookup {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn add_left_type_handler(mut self, token: TokenKind, handler: LeftTypeHandler) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "03c43240eb33856d349857879666fad271dfcf214745d3a00a1ff42cec677193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03c43240eb33856d349857879666fad271dfcf214745d3a00a1ff42cec677193", kill_on_drop: false }`
[INFO] [stdout] 03c43240eb33856d349857879666fad271dfcf214745d3a00a1ff42cec677193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de577a1a689a1eb31b558589855db9229dd9f5fa9c130a62e1a70a174e7a7351
[INFO] running `Command { std: "docker" "start" "-a" "de577a1a689a1eb31b558589855db9229dd9f5fa9c130a62e1a70a174e7a7351", kill_on_drop: false }`
[INFO] [stderr]    Compiling som v0.61.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `miette::SourceCode`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use miette::SourceCode;
[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 imports: `BufRead` and `PathBuf`
[INFO] [stdout]  --> src/main.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     io::{BufRead, Read},
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 7 |     path::{Path, PathBuf},
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JITBuilder`
[INFO] [stdout]  --> src/compiler/mod.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cranelift_jit::{JITBuilder, JITModule};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexer::Identifier`
[INFO] [stdout]  --> src/compiler/environment.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::lexer::Identifier;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compiler`
[INFO] [stdout]  --> src/expressions/binary/subtract.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{compiler, expressions::TypedExpressionValue, prelude::*};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::prelude::*`
[INFO] [stdout]  --> src/expressions/binary/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UserFuncName`
[INFO] [stdout]  --> src/expressions/function.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 |     codegen::ir::{Function, UserFuncName},
[INFO] [stdout]   |                             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Linkage`
[INFO] [stdout]  --> src/expressions/function.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cranelift_module::{FuncId, Linkage, Module};
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InstBuilder`
[INFO] [stdout]  --> src/expressions/group.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cranelift::prelude::{FunctionBuilder, InstBuilder};
[INFO] [stdout]   |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `miette::SourceSpan`
[INFO] [stdout]  --> src/lexer/token.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use miette::SourceSpan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExternFunctionSignature`
[INFO] [stdout]  --> src/statements/mod.rs:5:66
[INFO] [stdout]   |
[INFO] [stdout] 5 |     statements::extern_declaration::{ExternDeclarationStatement, ExternFunctionSignature},
[INFO] [stdout]   |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/types/mod.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{write, Display};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cranelift_module::Module`
[INFO] [stdout]  --> src/compiler/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cranelift_module::Module;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr_t`
[INFO] [stdout]   --> src/compiler/external.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let ptr_t = module.isa().pointer_type();
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ptr_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bp`
[INFO] [stdout]   --> src/expressions/call.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn parse(parser: &mut Parser, expression: Expression, bp: BindingPower) -> Result<Expression> {
[INFO] [stdout]    |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_bp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binding_power`
[INFO] [stdout]   --> src/expressions/conditional.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     binding_power: BindingPower,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binding_power`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]   --> src/expressions/group.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn compile(expression: &TypedExpression, function: &mut FunctionBuilder) -> CompileValue {
[INFO] [stdout]    |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> src/expressions/group.rs:49:46
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn compile(expression: &TypedExpression, function: &mut FunctionBuilder) -> CompileValue {
[INFO] [stdout]    |                                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]   --> src/expressions/identifier.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     compiler: &mut Compiler,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]   --> src/expressions/primary/boolean.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     compiler: &mut Compiler,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/expressions/primary/boolean.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     env: &mut CompileEnvironment,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]   --> src/expressions/primary/integer.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     compiler: &mut Compiler,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/expressions/primary/integer.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     env: &mut CompileEnvironment,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]   --> src/expressions/primary/integer.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     compiler: &mut Compiler,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/expressions/primary/integer.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     env: &mut CompileEnvironment,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]   --> src/expressions/primary/unit.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     compiler: &mut Compiler,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]   --> src/expressions/primary/unit.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     expression: &TypedExpression,
[INFO] [stdout]    |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/expressions/primary/unit.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     env: &mut crate::compiler::Environment,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lexer/mod.rs:196:21
[INFO] [stdout]     |
[INFO] [stdout] 196 |                     other => {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/prelude.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 |     expected: &TokenKind,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `help`
[INFO] [stdout]    --> src/prelude.rs:409:5
[INFO] [stdout]     |
[INFO] [stdout] 409 |     help: impl Into<String>,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_help`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_checker`
[INFO] [stdout]   --> src/statements/extern_declaration.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     type_checker: &mut TypeChecker,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_checker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]   --> src/statements/extern_declaration.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     compiler: &mut Compiler,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `statement`
[INFO] [stdout]   --> src/statements/extern_declaration.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     statement: &TypedStatement,
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/statements/extern_declaration.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     body: &mut FunctionBuilder,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/statements/extern_declaration.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     env: &mut CompileEnvironment,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]    --> src/types/mod.rs:121:33
[INFO] [stdout]     |
[INFO] [stdout] 121 |             TypeValue::Function(function) => todo!(),
[INFO] [stdout]     |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Argument` is never constructed
[INFO] [stdout]   --> src/expressions/function.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Argument<Expression> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile` is never used
[INFO] [stdout]   --> src/expressions/group.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn compile(expression: &TypedExpression, function: &mut FunctionBuilder) -> CompileValue {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GroupExpression` is never constructed
[INFO] [stdout]  --> src/expressions/identifier.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct GroupExpression<Expression> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]   --> src/parser/mod.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'source> Parser<'source> {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn next(&mut self) -> Option<Result<Token>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Comma`, `Relational`, `Unary`, `Member`, and `Primary` are never constructed
[INFO] [stdout]   --> src/parser/lookup.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum BindingPower {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout]  7 |     None = 0,
[INFO] [stdout]  8 |     Comma = 1,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Relational = 4,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Unary = 7,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     Call = 8,
[INFO] [stdout] 16 |     Member = 9,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     Primary = 10,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BindingPower` 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: method `add_left_type_handler` is never used
[INFO] [stdout]   --> src/parser/lookup.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Lookup {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn add_left_type_handler(mut self, token: TokenKind, handler: LeftTypeHandler) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "de577a1a689a1eb31b558589855db9229dd9f5fa9c130a62e1a70a174e7a7351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de577a1a689a1eb31b558589855db9229dd9f5fa9c130a62e1a70a174e7a7351", kill_on_drop: false }`
[INFO] [stdout] de577a1a689a1eb31b558589855db9229dd9f5fa9c130a62e1a70a174e7a7351
