[INFO] cloning repository https://github.com/HoloTheDrunk/impl_macro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HoloTheDrunk/impl_macro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoloTheDrunk%2Fimpl_macro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoloTheDrunk%2Fimpl_macro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 557cfc72569bbe22692dcabdba76377f6fed2720
[INFO] testing HoloTheDrunk/impl_macro against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoloTheDrunk%2Fimpl_macro" "/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/HoloTheDrunk/impl_macro
[INFO] finished tweaking git repo https://github.com/HoloTheDrunk/impl_macro
[INFO] tweaked toml for git repo https://github.com/HoloTheDrunk/impl_macro written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HoloTheDrunk/impl_macro on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/HoloTheDrunk/impl_macro 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" "+beta-2026-04-21" "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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32a50f2ec1f8be22ed8f531e0e64ce799ebb0aeafe54b33d936c055b2470f575
[INFO] running `Command { std: "docker" "start" "-a" "32a50f2ec1f8be22ed8f531e0e64ce799ebb0aeafe54b33d936c055b2470f575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32a50f2ec1f8be22ed8f531e0e64ce799ebb0aeafe54b33d936c055b2470f575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a50f2ec1f8be22ed8f531e0e64ce799ebb0aeafe54b33d936c055b2470f575", kill_on_drop: false }`
[INFO] [stdout] 32a50f2ec1f8be22ed8f531e0e64ce799ebb0aeafe54b33d936c055b2470f575
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 803ab5837657c4e7ec48666e1f8fbb8b1a73edb9c993bd12486e12588286d519
[INFO] running `Command { std: "docker" "start" "-a" "803ab5837657c4e7ec48666e1f8fbb8b1a73edb9c993bd12486e12588286d519", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling impl_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "803ab5837657c4e7ec48666e1f8fbb8b1a73edb9c993bd12486e12588286d519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803ab5837657c4e7ec48666e1f8fbb8b1a73edb9c993bd12486e12588286d519", kill_on_drop: false }`
[INFO] [stdout] 803ab5837657c4e7ec48666e1f8fbb8b1a73edb9c993bd12486e12588286d519
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3138719454eadb215f634ad3feb3ddfe70a64576a4668cd8963c950b8187e9d0
[INFO] running `Command { std: "docker" "start" "-a" "3138719454eadb215f634ad3feb3ddfe70a64576a4668cd8963c950b8187e9d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling impl_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] [src/lib.rs:10:21] syn::parse_macro_input!(item as syn::ItemImpl) = ItemImpl {
[INFO] [stderr]     attrs: [],
[INFO] [stderr]     defaultness: None,
[INFO] [stderr]     unsafety: None,
[INFO] [stderr]     impl_token: Impl,
[INFO] [stderr]     generics: Generics {
[INFO] [stderr]         lt_token: None,
[INFO] [stderr]         params: [],
[INFO] [stderr]         gt_token: None,
[INFO] [stderr]         where_clause: None,
[INFO] [stderr]     },
[INFO] [stderr]     trait_: None,
[INFO] [stderr]     self_ty: Type::Path {
[INFO] [stderr]         qself: None,
[INFO] [stderr]         path: Path {
[INFO] [stderr]             leading_colon: None,
[INFO] [stderr]             segments: [
[INFO] [stderr]                 PathSegment {
[INFO] [stderr]                     ident: Ident {
[INFO] [stderr]                         ident: "MyStruct",
[INFO] [stderr]                         span: #0 bytes(91..99),
[INFO] [stderr]                     },
[INFO] [stderr]                     arguments: PathArguments::None,
[INFO] [stderr]                 },
[INFO] [stderr]             ],
[INFO] [stderr]         },
[INFO] [stderr]     },
[INFO] [stderr]     brace_token: Brace,
[INFO] [stderr]     items: [
[INFO] [stderr]         ImplItem::Fn {
[INFO] [stderr]             attrs: [
[INFO] [stderr]                 Attribute {
[INFO] [stderr]                     pound_token: Pound,
[INFO] [stderr]                     style: AttrStyle::Outer,
[INFO] [stderr]                     bracket_token: Bracket,
[INFO] [stderr]                     meta: Meta::Path {
[INFO] [stderr]                         leading_colon: None,
[INFO] [stderr]                         segments: [
[INFO] [stderr]                             PathSegment {
[INFO] [stderr]                                 ident: Ident {
[INFO] [stderr]                                     ident: "export",
[INFO] [stderr]                                     span: #0 bytes(108..114),
[INFO] [stderr]                                 },
[INFO] [stderr]                                 arguments: PathArguments::None,
[INFO] [stderr]                             },
[INFO] [stderr]                         ],
[INFO] [stderr]                     },
[INFO] [stderr]                 },
[INFO] [stderr]             ],
[INFO] [stderr]             vis: Visibility::Inherited,
[INFO] [stderr]             defaultness: None,
[INFO] [stderr]             sig: Signature {
[INFO] [stderr]                 constness: None,
[INFO] [stderr]                 asyncness: None,
[INFO] [stderr]                 unsafety: None,
[INFO] [stderr]                 abi: None,
[INFO] [stderr]                 fn_token: Fn,
[INFO] [stderr]                 ident: Ident {
[INFO] [stderr]                     ident: "sum",
[INFO] [stderr]                     span: #0 bytes(123..126),
[INFO] [stderr]                 },
[INFO] [stderr]                 generics: Generics {
[INFO] [stderr]                     lt_token: None,
[INFO] [stderr]                     params: [],
[INFO] [stderr]                     gt_token: None,
[INFO] [stderr]                     where_clause: None,
[INFO] [stderr]                 },
[INFO] [stderr]                 paren_token: Paren,
[INFO] [stderr]                 inputs: [
[INFO] [stderr]                     FnArg::Receiver(
[INFO] [stderr]                         Receiver {
[INFO] [stderr]                             attrs: [],
[INFO] [stderr]                             reference: Some(
[INFO] [stderr]                                 (
[INFO] [stderr]                                     And,
[INFO] [stderr]                                     None,
[INFO] [stderr]                                 ),
[INFO] [stderr]                             ),
[INFO] [stderr]                             mutability: None,
[INFO] [stderr]                             self_token: SelfValue,
[INFO] [stderr]                             colon_token: None,
[INFO] [stderr]                             ty: Type::Reference {
[INFO] [stderr]                                 and_token: And,
[INFO] [stderr]                                 lifetime: None,
[INFO] [stderr]                                 mutability: None,
[INFO] [stderr]                                 elem: Type::Path {
[INFO] [stderr]                                     qself: None,
[INFO] [stderr]                                     path: Path {
[INFO] [stderr]                                         leading_colon: None,
[INFO] [stderr]                                         segments: [
[INFO] [stderr]                                             PathSegment {
[INFO] [stderr]                                                 ident: Ident {
[INFO] [stderr]                                                     ident: "Self",
[INFO] [stderr]                                                     span: #0 bytes(128..132),
[INFO] [stderr]                                                 },
[INFO] [stderr]                                                 arguments: PathArguments::None,
[INFO] [stderr]                                             },
[INFO] [stderr]                                         ],
[INFO] [stderr]                                     },
[INFO] [stderr]                                 },
[INFO] [stderr]                             },
[INFO] [stderr]                         },
[INFO] [stderr]                     ),
[INFO] [stderr]                 ],
[INFO] [stderr]                 variadic: None,
[INFO] [stderr]                 output: ReturnType::Type(
[INFO] [stderr]                     RArrow,
[INFO] [stderr]                     Type::Path {
[INFO] [stderr]                         qself: None,
[INFO] [stderr]                         path: Path {
[INFO] [stderr]                             leading_colon: None,
[INFO] [stderr]                             segments: [
[INFO] [stderr]                                 PathSegment {
[INFO] [stderr]                                     ident: Ident {
[INFO] [stderr]                                         ident: "i32",
[INFO] [stderr]                                         span: #0 bytes(137..140),
[INFO] [stderr]                                     },
[INFO] [stderr]                                     arguments: PathArguments::None,
[INFO] [stderr]                                 },
[INFO] [stderr]                             ],
[INFO] [stderr]                         },
[INFO] [stderr]                     },
[INFO] [stderr]                 ),
[INFO] [stderr]             },
[INFO] [stderr]             block: Block {
[INFO] [stderr]                 brace_token: Brace,
[INFO] [stderr]                 stmts: [
[INFO] [stderr]                     Stmt::Expr(
[INFO] [stderr]                         Expr::Binary {
[INFO] [stderr]                             attrs: [],
[INFO] [stderr]                             left: Expr::Field {
[INFO] [stderr]                                 attrs: [],
[INFO] [stderr]                                 base: Expr::Path {
[INFO] [stderr]                                     attrs: [],
[INFO] [stderr]                                     qself: None,
[INFO] [stderr]                                     path: Path {
[INFO] [stderr]                                         leading_colon: None,
[INFO] [stderr]                                         segments: [
[INFO] [stderr]                                             PathSegment {
[INFO] [stderr]                                                 ident: Ident {
[INFO] [stderr]                                                     ident: "self",
[INFO] [stderr]                                                     span: #0 bytes(151..155),
[INFO] [stderr]                                                 },
[INFO] [stderr]                                                 arguments: PathArguments::None,
[INFO] [stderr]                                             },
[INFO] [stderr]                                         ],
[INFO] [stderr]                                     },
[INFO] [stderr]                                 },
[INFO] [stderr]                                 dot_token: Dot,
[INFO] [stderr]                                 member: Member::Named(
[INFO] [stderr]                                     Ident {
[INFO] [stderr]                                         ident: "x",
[INFO] [stderr]                                         span: #0 bytes(156..157),
[INFO] [stderr]                                     },
[INFO] [stderr]                                 ),
[INFO] [stderr]                             },
[INFO] [stderr]                             op: BinOp::Add(
[INFO] [stderr]                                 Plus,
[INFO] [stderr]                             ),
[INFO] [stderr]                             right: Expr::Field {
[INFO] [stderr]                                 attrs: [],
[INFO] [stderr]                                 base: Expr::Path {
[INFO] [stderr]                                     attrs: [],
[INFO] [stderr]                                     qself: None,
[INFO] [stderr]                                     path: Path {
[INFO] [stderr]                                         leading_colon: None,
[INFO] [stderr]                                         segments: [
[INFO] [stderr]                                             PathSegment {
[INFO] [stderr]                                                 ident: Ident {
[INFO] [stderr]                                                     ident: "self",
[INFO] [stderr]                                                     span: #0 bytes(160..164),
[INFO] [stderr]                                                 },
[INFO] [stderr]                                                 arguments: PathArguments::None,
[INFO] [stderr]                                             },
[INFO] [stderr]                                         ],
[INFO] [stderr]                                     },
[INFO] [stderr]                                 },
[INFO] [stderr]                                 dot_token: Dot,
[INFO] [stderr]                                 member: Member::Named(
[INFO] [stderr]                                     Ident {
[INFO] [stderr]                                         ident: "y",
[INFO] [stderr]                                         span: #0 bytes(165..166),
[INFO] [stderr]                                     },
[INFO] [stderr]                                 ),
[INFO] [stderr]                             },
[INFO] [stderr]                         },
[INFO] [stderr]                         None,
[INFO] [stderr]                     ),
[INFO] [stderr]                 ],
[INFO] [stderr]             },
[INFO] [stderr]         },
[INFO] [stderr]         ImplItem::Fn {
[INFO] [stderr]             attrs: [],
[INFO] [stderr]             vis: Visibility::Inherited,
[INFO] [stderr]             defaultness: None,
[INFO] [stderr]             sig: Signature {
[INFO] [stderr]                 constness: None,
[INFO] [stderr]                 asyncness: None,
[INFO] [stderr]                 unsafety: None,
[INFO] [stderr]                 abi: None,
[INFO] [stderr]                 fn_token: Fn,
[INFO] [stderr]                 ident: Ident {
[INFO] [stderr]                     ident: "mul",
[INFO] [stderr]                     span: #0 bytes(181..184),
[INFO] [stderr]                 },
[INFO] [stderr]                 generics: Generics {
[INFO] [stderr]                     lt_token: None,
[INFO] [stderr]                     params: [],
[INFO] [stderr]                     gt_token: None,
[INFO] [stderr]                     where_clause: None,
[INFO] [stderr]                 },
[INFO] [stderr]                 paren_token: Paren,
[INFO] [stderr]                 inputs: [
[INFO] [stderr]                     FnArg::Receiver(
[INFO] [stderr]                         Receiver {
[INFO] [stderr]                             attrs: [],
[INFO] [stderr]                             reference: Some(
[INFO] [stderr]                                 (
[INFO] [stderr]                                     And,
[INFO] [stderr]                                     None,
[INFO] [stderr]                                 ),
[INFO] [stderr]                             ),
[INFO] [stderr]                             mutability: None,
[INFO] [stderr]                             self_token: SelfValue,
[INFO] [stderr]                             colon_token: None,
[INFO] [stderr]                             ty: Type::Reference {
[INFO] [stderr]                                 and_token: And,
[INFO] [stderr]                                 lifetime: None,
[INFO] [stderr]                                 mutability: None,
[INFO] [stderr]                                 elem: Type::Path {
[INFO] [stderr]                                     qself: None,
[INFO] [stderr]                                     path: Path {
[INFO] [stderr]                                         leading_colon: None,
[INFO] [stderr]                                         segments: [
[INFO] [stderr]                                             PathSegment {
[INFO] [stderr]                                                 ident: Ident {
[INFO] [stderr]                                                     ident: "Self",
[INFO] [stderr]                                                     span: #0 bytes(186..190),
[INFO] [stderr]                                                 },
[INFO] [stderr]                                                 arguments: PathArguments::None,
[INFO] [stderr]                                             },
[INFO] [stderr]                                         ],
[INFO] [stderr]                                     },
[INFO] [stderr]                                 },
[INFO] [stderr]                             },
[INFO] [stderr]                         },
[INFO] [stderr]                     ),
[INFO] [stderr]                 ],
[INFO] [stderr]                 variadic: None,
[INFO] [stderr]                 output: ReturnType::Type(
[INFO] [stderr]                     RArrow,
[INFO] [stderr]                     Type::Path {
[INFO] [stderr]                         qself: None,
[INFO] [stderr]                         path: Path {
[INFO] [stderr]                             leading_colon: None,
[INFO] [stderr]                             segments: [
[INFO] [stderr]                                 PathSegment {
[INFO] [stderr]                                     ident: Ident {
[INFO] [stderr]                                         ident: "i32",
[INFO] [stderr]                                         span: #0 bytes(195..198),
[INFO] [stderr]                                     },
[INFO] [stderr]                                     arguments: PathArguments::None,
[INFO] [stderr]                                 },
[INFO] [stderr]                             ],
[INFO] [stderr]                         },
[INFO] [stderr]                     },
[INFO] [stderr]                 ),
[INFO] [stderr]             },
[INFO] [stderr]             block: Block {
[INFO] [stderr]                 brace_token: Brace,
[INFO] [stderr]                 stmts: [
[INFO] [stderr]                     Stmt::Expr(
[INFO] [stderr]                         Expr::Binary {
[INFO] [stderr]                             attrs: [],
[INFO] [stderr]                             left: Expr::Field {
[INFO] [stderr]                                 attrs: [],
[INFO] [stderr]                                 base: Expr::Path {
[INFO] [stderr]                                     attrs: [],
[INFO] [stderr]                                     qself: None,
[INFO] [stderr]                                     path: Path {
[INFO] [stderr]                                         leading_colon: None,
[INFO] [stderr]                                         segments: [
[INFO] [stderr]                                             PathSegment {
[INFO] [stderr]                                                 ident: Ident {
[INFO] [stderr]                                                     ident: "self",
[INFO] [stderr]                                                     span: #0 bytes(209..213),
[INFO] [stderr]                                                 },
[INFO] [stderr]                                                 arguments: PathArguments::None,
[INFO] [stderr]                                             },
[INFO] [stderr]                                         ],
[INFO] [stderr]                                     },
[INFO] [stderr]                                 },
[INFO] [stderr]                                 dot_token: Dot,
[INFO] [stderr]                                 member: Member::Named(
[INFO] [stderr]                                     Ident {
[INFO] [stderr]                                         ident: "x",
[INFO] [stderr]                                         span: #0 bytes(214..215),
[INFO] [stderr]                                     },
[INFO] [stderr]                                 ),
[INFO] [stderr]                             },
[INFO] [stderr]                             op: BinOp::Mul(
[INFO] [stderr]                                 Star,
[INFO] [stderr]                             ),
[INFO] [stderr]                             right: Expr::Field {
[INFO] [stderr]                                 attrs: [],
[INFO] [stderr]                                 base: Expr::Path {
[INFO] [stderr]                                     attrs: [],
[INFO] [stderr]                                     qself: None,
[INFO] [stderr]                                     path: Path {
[INFO] [stderr]                                         leading_colon: None,
[INFO] [stderr]                                         segments: [
[INFO] [stderr]                                             PathSegment {
[INFO] [stderr]                                                 ident: Ident {
[INFO] [stderr]                                                     ident: "self",
[INFO] [stderr]                                                     span: #0 bytes(218..222),
[INFO] [stderr]                                                 },
[INFO] [stderr]                                                 arguments: PathArguments::None,
[INFO] [stderr]                                             },
[INFO] [stderr]                                         ],
[INFO] [stderr]                                     },
[INFO] [stderr]                                 },
[INFO] [stderr]                                 dot_token: Dot,
[INFO] [stderr]                                 member: Member::Named(
[INFO] [stderr]                                     Ident {
[INFO] [stderr]                                         ident: "y",
[INFO] [stderr]                                         span: #0 bytes(223..224),
[INFO] [stderr]                                     },
[INFO] [stderr]                                 ),
[INFO] [stderr]                             },
[INFO] [stderr]                         },
[INFO] [stderr]                         None,
[INFO] [stderr]                     ),
[INFO] [stderr]                 ],
[INFO] [stderr]             },
[INFO] [stderr]         },
[INFO] [stderr]     ],
[INFO] [stderr] }
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> examples/simple.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct MyStruct {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 4 |     x: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout] 5 |     y: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `sum` and `mul` are never used
[INFO] [stdout]   --> examples/simple.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl MyStruct {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 10 |     #[export]
[INFO] [stdout] 11 |     fn sum(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn mul(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "3138719454eadb215f634ad3feb3ddfe70a64576a4668cd8963c950b8187e9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3138719454eadb215f634ad3feb3ddfe70a64576a4668cd8963c950b8187e9d0", kill_on_drop: false }`
[INFO] [stdout] 3138719454eadb215f634ad3feb3ddfe70a64576a4668cd8963c950b8187e9d0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56f59aa3b98fa10c5cb110548db4c45d38029ad61dd585804e6d99102008f1d6
[INFO] running `Command { std: "docker" "start" "-a" "56f59aa3b98fa10c5cb110548db4c45d38029ad61dd585804e6d99102008f1d6", kill_on_drop: false }`
[INFO] [stderr] [src/lib.rs:10:21] syn::parse_macro_input!(item as syn::ItemImpl) = ItemImpl {
[INFO] [stderr]     attrs: [],
[INFO] [stderr]     defaultness: None,
[INFO] [stderr]     unsafety: None,
[INFO] [stderr]     impl_token: Impl,
[INFO] [stderr]     generics: Generics {
[INFO] [stderr]         lt_token: None,
[INFO] [stderr]         params: [],
[INFO] [stderr]         gt_token: None,
[INFO] [stderr]         where_clause: None,
[INFO] [stderr]     },
[INFO] [stderr]     trait_: None,
[INFO] [stderr]     self_ty: Type::Path {
[INFO] [stderr]         qself: None,
[INFO] [stderr]         path: Path {
[INFO] [stderr]             leading_colon: None,
[INFO] [stderr]             segments: [
[INFO] [stderr]                 PathSegment {
[INFO] [stderr]                     ident: Ident {
[INFO] [stderr]                         ident: "MyStruct",
[INFO] [stderr]                         span: #0 bytes(91..99),
[INFO] [stderr]                     },
[INFO] [stderr]                     arguments: PathArguments::None,
[INFO] [stderr]                 },
[INFO] [stderr]             ],
[INFO] [stderr]         },
[INFO] [stderr]     },
[INFO] [stderr]     brace_token: Brace,
[INFO] [stderr]     items: [
[INFO] [stderr]         ImplItem::Fn {
[INFO] [stderr]             attrs: [
[INFO] [stderr]                 Attribute {
[INFO] [stderr]                     pound_token: Pound,
[INFO] [stderr]                     style: AttrStyle::Outer,
[INFO] [stderr]                     bracket_token: Bracket,
[INFO] [stderr]                     meta: Meta::Path {
[INFO] [stderr]                         leading_colon: None,
[INFO] [stderr]                         segments: [
[INFO] [stderr]                             PathSegment {
[INFO] [stderr]                                 ident: Ident {
[INFO] [stderr]                                     ident: "export",
[INFO] [stderr]                                     span: #0 bytes(108..114),
[INFO] [stderr]                                 },
[INFO] [stderr]                                 arguments: PathArguments::None,
[INFO] [stderr]                             },
[INFO] [stderr]                         ],
[INFO] [stderr]                     },
[INFO] [stderr]                 },
[INFO] [stderr]             ],
[INFO] [stderr]             vis: Visibility::Inherited,
[INFO] [stderr]             defaultness: None,
[INFO] [stderr]             sig: Signature {
[INFO] [stderr]                 constness: None,
[INFO] [stderr]                 asyncness: None,
[INFO] [stderr]                 unsafety: None,
[INFO] [stderr]                 abi: None,
[INFO] [stderr]                 fn_token: Fn,
[INFO] [stderr]                 ident: Ident {
[INFO] [stderr]                     ident: "sum",
[INFO] [stderr]                     span: #0 bytes(123..126),
[INFO] [stderr]                 },
[INFO] [stderr]                 generics: Generics {
[INFO] [stderr]                     lt_token: None,
[INFO] [stderr]                     params: [],
[INFO] [stderr]                     gt_token: None,
[INFO] [stderr]                     where_clause: None,
[INFO] [stderr]                 },
[INFO] [stderr]                 paren_token: Paren,
[INFO] [stderr]                 inputs: [
[INFO] [stderr]                     FnArg::Receiver(
[INFO] [stderr]                         Receiver {
[INFO] [stderr]                             attrs: [],
[INFO] [stderr]                             reference: Some(
[INFO] [stderr]                                 (
[INFO] [stderr]                                     And,
[INFO] [stderr]                                     None,
[INFO] [stderr]                                 ),
[INFO] [stderr]                             ),
[INFO] [stderr]                             mutability: None,
[INFO] [stderr]                             self_token: SelfValue,
[INFO] [stderr]                             colon_token: None,
[INFO] [stderr]                             ty: Type::Reference {
[INFO] [stderr]                                 and_token: And,
[INFO] [stderr]                                 lifetime: None,
[INFO] [stderr]                                 mutability: None,
[INFO] [stderr]                                 elem: Type::Path {
[INFO] [stderr]                                     qself: None,
[INFO] [stderr]                                     path: Path {
[INFO] [stderr]                                         leading_colon: None,
[INFO] [stderr]                                         segments: [
[INFO] [stderr]                                             PathSegment {
[INFO] [stderr]                                                 ident: Ident {
[INFO] [stderr]                                                     ident: "Self",
[INFO] [stderr]                                                     span: #0 bytes(128..132),
[INFO] [stderr]                                                 },
[INFO] [stderr]                                                 arguments: PathArguments::None,
[INFO] [stderr]                                             },
[INFO] [stderr]                                         ],
[INFO] [stderr]                                     },
[INFO] [stderr]                                 },
[INFO] [stderr]                             },
[INFO] [stderr]                         },
[INFO] [stderr]                     ),
[INFO] [stderr]                 ],
[INFO] [stderr]                 variadic: None,
[INFO] [stderr]                 output: ReturnType::Type(
[INFO] [stderr]                     RArrow,
[INFO] [stderr]                     Type::Path {
[INFO] [stderr]                         qself: None,
[INFO] [stderr]                         path: Path {
[INFO] [stderr]                             leading_colon: None,
[INFO] [stderr]                             segments: [
[INFO] [stderr]                                 PathSegment {
[INFO] [stderr]                                     ident: Ident {
[INFO] [stderr]                                         ident: "i32",
[INFO] [stderr]                                         span: #0 bytes(137..140),
[INFO] [stderr]                                     },
[INFO] [stderr]                                     arguments: PathArguments::None,
[INFO] [stderr]                                 },
[INFO] [stderr]                             ],
[INFO] [stderr]                         },
[INFO] [stderr]                     },
[INFO] [stderr]                 ),
[INFO] [stderr]             },
[INFO] [stderr]             block: Block {
[INFO] [stderr]                 brace_token: Brace,
[INFO] [stderr]                 stmts: [
[INFO] [stderr]                     Stmt::Expr(
[INFO] [stderr]                         Expr::Binary {
[INFO] [stderr]                             attrs: [],
[INFO] [stderr]                             left: Expr::Field {
[INFO] [stderr]                                 attrs: [],
[INFO] [stderr]                                 base: Expr::Path {
[INFO] [stderr]                                     attrs: [],
[INFO] [stderr]                                     qself: None,
[INFO] [stderr]                                     path: Path {
[INFO] [stderr]                                         leading_colon: None,
[INFO] [stderr]                                         segments: [
[INFO] [stderr]                                             PathSegment {
[INFO] [stderr]                                                 ident: Ident {
[INFO] [stderr]                                                     ident: "self",
[INFO] [stderr]                                                     span: #0 bytes(151..155),
[INFO] [stderr]                                                 },
[INFO] [stderr]                                                 arguments: PathArguments::None,
[INFO] [stderr]                                             },
[INFO] [stderr]                                         ],
[INFO] [stderr]                                     },
[INFO] [stderr]                                 },
[INFO] [stderr]                                 dot_token: Dot,
[INFO] [stderr]                                 member: Member::Named(
[INFO] [stderr]                                     Ident {
[INFO] [stderr]                                         ident: "x",
[INFO] [stderr]                                         span: #0 bytes(156..157),
[INFO] [stderr]                                     },
[INFO] [stderr]                                 ),
[INFO] [stderr]                             },
[INFO] [stderr]                             op: BinOp::Add(
[INFO] [stderr]                                 Plus,
[INFO] [stderr]                             ),
[INFO] [stderr]                             right: Expr::Field {
[INFO] [stderr]                                 attrs: [],
[INFO] [stderr]                                 base: Expr::Path {
[INFO] [stderr]                                     attrs: [],
[INFO] [stderr]                                     qself: None,
[INFO] [stderr]                                     path: Path {
[INFO] [stderr]                                         leading_colon: None,
[INFO] [stderr]                                         segments: [
[INFO] [stderr]                                             PathSegment {
[INFO] [stderr]                                                 ident: Ident {
[INFO] [stderr]                                                     ident: "self",
[INFO] [stderr]                                                     span: #0 bytes(160..164),
[INFO] [stderr]                                                 },
[INFO] [stderr]                                                 arguments: PathArguments::None,
[INFO] [stderr]                                             },
[INFO] [stderr]                                         ],
[INFO] [stderr]                                     },
[INFO] [stderr]                                 },
[INFO] [stderr]                                 dot_token: Dot,
[INFO] [stderr]                                 member: Member::Named(
[INFO] [stderr]                                     Ident {
[INFO] [stderr]                                         ident: "y",
[INFO] [stderr]                                         span: #0 bytes(165..166),
[INFO] [stderr]                                     },
[INFO] [stderr]                                 ),
[INFO] [stderr]                             },
[INFO] [stderr]                         },
[INFO] [stderr]                         None,
[INFO] [stderr]                     ),
[INFO] [stderr]                 ],
[INFO] [stderr]             },
[INFO] [stderr]         },
[INFO] [stderr]         ImplItem::Fn {
[INFO] [stderr]             attrs: [],
[INFO] [stderr]             vis: Visibility::Inherited,
[INFO] [stderr]             defaultness: None,
[INFO] [stderr]             sig: Signature {
[INFO] [stderr]                 constness: None,
[INFO] [stderr]                 asyncness: None,
[INFO] [stderr]                 unsafety: None,
[INFO] [stderr]                 abi: None,
[INFO] [stderr]                 fn_token: Fn,
[INFO] [stderr]                 ident: Ident {
[INFO] [stderr]                     ident: "mul",
[INFO] [stderr]                     span: #0 bytes(181..184),
[INFO] [stderr]                 },
[INFO] [stderr]                 generics: Generics {
[INFO] [stderr]                     lt_token: None,
[INFO] [stderr]                     params: [],
[INFO] [stderr]                     gt_token: None,
[INFO] [stderr]                     where_clause: None,
[INFO] [stderr]                 },
[INFO] [stderr]                 paren_token: Paren,
[INFO] [stderr]                 inputs: [
[INFO] [stderr]                     FnArg::Receiver(
[INFO] [stderr]                         Receiver {
[INFO] [stderr]                             attrs: [],
[INFO] [stderr]                             reference: Some(
[INFO] [stderr]                                 (
[INFO] [stderr]                                     And,
[INFO] [stderr]                                     None,
[INFO] [stderr]                                 ),
[INFO] [stderr]                             ),
[INFO] [stderr]                             mutability: None,
[INFO] [stderr]                             self_token: SelfValue,
[INFO] [stderr]                             colon_token: None,
[INFO] [stderr]                             ty: Type::Reference {
[INFO] [stderr]                                 and_token: And,
[INFO] [stderr]                                 lifetime: None,
[INFO] [stderr]                                 mutability: None,
[INFO] [stderr]                                 elem: Type::Path {
[INFO] [stderr]                                     qself: None,
[INFO] [stderr]                                     path: Path {
[INFO] [stderr]                                         leading_colon: None,
[INFO] [stderr]                                         segments: [
[INFO] [stderr]                                             PathSegment {
[INFO] [stderr]                                                 ident: Ident {
[INFO] [stderr]                                                     ident: "Self",
[INFO] [stderr]                                                     span: #0 bytes(186..190),
[INFO] [stderr]                                                 },
[INFO] [stderr]                                                 arguments: PathArguments::None,
[INFO] [stderr]                                             },
[INFO] [stderr]                                         ],
[INFO] [stderr]                                     },
[INFO] [stderr]                                 },
[INFO] [stderr]                             },
[INFO] [stderr]                         },
[INFO] [stderr]                     ),
[INFO] [stderr]                 ],
[INFO] [stderr]                 variadic: None,
[INFO] [stderr]                 output: ReturnType::Type(
[INFO] [stderr]                     RArrow,
[INFO] [stderr]                     Type::Path {
[INFO] [stderr]                         qself: None,
[INFO] [stderr]                         path: Path {
[INFO] [stderr]                             leading_colon: None,
[INFO] [stderr]                             segments: [
[INFO] [stderr]                                 PathSegment {
[INFO] [stderr]                                     ident: Ident {
[INFO] [stderr]                                         ident: "i32",
[INFO] [stderr]                                         span: #0 bytes(195..198),
[INFO] [stderr]                                     },
[INFO] [stderr]                                     arguments: PathArguments::None,
[INFO] [stderr]                                 },
[INFO] [stderr]                             ],
[INFO] [stderr]                         },
[INFO] [stderr]                     },
[INFO] [stderr]                 ),
[INFO] [stderr]             },
[INFO] [stderr]             block: Block {
[INFO] [stderr]                 brace_token: Brace,
[INFO] [stderr]                 stmts: [
[INFO] [stderr]                     Stmt::Expr(
[INFO] [stderr]                         Expr::Binary {
[INFO] [stderr]                             attrs: [],
[INFO] [stderr]                             left: Expr::Field {
[INFO] [stderr]                                 attrs: [],
[INFO] [stderr]                                 base: Expr::Path {
[INFO] [stderr]                                     attrs: [],
[INFO] [stderr]                                     qself: None,
[INFO] [stderr]                                     path: Path {
[INFO] [stderr]                                         leading_colon: None,
[INFO] [stderr]                                         segments: [
[INFO] [stderr]                                             PathSegment {
[INFO] [stderr]                                                 ident: Ident {
[INFO] [stderr]                                                     ident: "self",
[INFO] [stderr]                                                     span: #0 bytes(209..213),
[INFO] [stderr]                                                 },
[INFO] [stderr]                                                 arguments: PathArguments::None,
[INFO] [stderr]                                             },
[INFO] [stderr]                                         ],
[INFO] [stderr]                                     },
[INFO] [stderr]                                 },
[INFO] [stderr]                                 dot_token: Dot,
[INFO] [stderr]                                 member: Member::Named(
[INFO] [stderr]                                     Ident {
[INFO] [stderr]                                         ident: "x",
[INFO] [stderr]                                         span: #0 bytes(214..215),
[INFO] [stderr]                                     },
[INFO] [stderr]                                 ),
[INFO] [stderr]                             },
[INFO] [stderr]                             op: BinOp::Mul(
[INFO] [stderr]                                 Star,
[INFO] [stderr]                             ),
[INFO] [stderr]                             right: Expr::Field {
[INFO] [stderr]                                 attrs: [],
[INFO] [stderr]                                 base: Expr::Path {
[INFO] [stderr]                                     attrs: [],
[INFO] [stderr]                                     qself: None,
[INFO] [stderr]                                     path: Path {
[INFO] [stderr]                                         leading_colon: None,
[INFO] [stderr]                                         segments: [
[INFO] [stderr]                                             PathSegment {
[INFO] [stderr]                                                 ident: Ident {
[INFO] [stderr]                                                     ident: "self",
[INFO] [stderr]                                                     span: #0 bytes(218..222),
[INFO] [stderr]                                                 },
[INFO] [stderr]                                                 arguments: PathArguments::None,
[INFO] [stderr]                                             },
[INFO] [stderr]                                         ],
[INFO] [stderr]                                     },
[INFO] [stderr]                                 },
[INFO] [stderr]                                 dot_token: Dot,
[INFO] [stderr]                                 member: Member::Named(
[INFO] [stderr]                                     Ident {
[INFO] [stderr]                                         ident: "y",
[INFO] [stderr]                                         span: #0 bytes(223..224),
[INFO] [stderr]                                     },
[INFO] [stderr]                                 ),
[INFO] [stderr]                             },
[INFO] [stderr]                         },
[INFO] [stderr]                         None,
[INFO] [stderr]                     ),
[INFO] [stderr]                 ],
[INFO] [stderr]             },
[INFO] [stderr]         },
[INFO] [stderr]     ],
[INFO] [stderr] }
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]  --> examples/simple.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct MyStruct {
[INFO] [stderr]   |        -------- fields in this struct
[INFO] [stderr] 4 |     x: i32,
[INFO] [stderr]   |     ^
[INFO] [stderr] 5 |     y: i32,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `sum` and `mul` are never used
[INFO] [stderr]   --> examples/simple.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl MyStruct {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] 10 |     #[export]
[INFO] [stderr] 11 |     fn sum(&self) -> i32 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     fn mul(&self) -> i32 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `impl_macro` (example "simple") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/impl_macro-9fa1b2e2d0fe6daf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests impl_macro
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "56f59aa3b98fa10c5cb110548db4c45d38029ad61dd585804e6d99102008f1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f59aa3b98fa10c5cb110548db4c45d38029ad61dd585804e6d99102008f1d6", kill_on_drop: false }`
[INFO] [stdout] 56f59aa3b98fa10c5cb110548db4c45d38029ad61dd585804e6d99102008f1d6