Closed
Description
use proc_macro_attribute;
$ RUST_BACKTRACE=1 rustdoc +nightly z.rs --edition 2018
error: internal compiler error: src/librustc/hir/def.rs:257: attempted .def_id() on invalid def: NonMacroAttr(Builtin)
thread 'rustc' panicked at 'Box<Any>', src/librustc_errors/lib.rs:605:9
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
stack backtrace:
0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace
at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
1: std::sys_common::backtrace::_print
at src/libstd/sys_common/backtrace.rs:70
2: std::panicking::default_hook::{{closure}}
at src/libstd/sys_common/backtrace.rs:58
at src/libstd/panicking.rs:200
3: std::panicking::default_hook
at src/libstd/panicking.rs:215
4: std::panicking::rust_panic_with_hook
at src/libstd/panicking.rs:478
5: std::panicking::begin_panic
6: rustc_errors::Handler::bug
7: rustc::util::bug::opt_span_bug_fmt::{{closure}}
8: rustc::ty::context::tls::with_opt::{{closure}}
9: rustc::ty::context::tls::with_context_opt
10: rustc::ty::context::tls::with_opt
11: rustc::util::bug::opt_span_bug_fmt
12: rustc::util::bug::bug_fmt
13: rustc::hir::def::Def::def_id::{{closure}}
14: rustc::hir::def::Def::def_id
15: rustdoc::clean::register_def
at src/librustdoc/clean/mod.rs:3809
16: <rustdoc::doctree::Import as rustdoc::clean::Clean<alloc::vec::Vec<rustdoc::clean::Item>>>::clean [20/1873]
at src/librustdoc/clean/mod.rs:3824
at src/librustdoc/clean/mod.rs:3586
17: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::spec_extend
at src/librustdoc/clean/mod.rs:591
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/libcore/ops/function.rs:279
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/libcore/option.rs:414
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/libcore/iter/adapters/mod.rs:567
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/libcore/iter/adapters/flatten.rs:218
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/libcore/iter/adapters/flatten.rs:48
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/liballoc/vec.rs:1933
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/liballoc/vec.rs:1830
18: <rustdoc::doctree::Module as rustdoc::clean::Clean<rustdoc::clean::Item>>::clean
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/liballoc/vec.rs:1794
at src/librustdoc/clean/mod.rs:591
19: <rustdoc::visit_ast::RustdocVisitor<'a, 'tcx, 'rcx> as rustdoc::clean::Clean<rustdoc::clean::Crate>>::clean
at src/librustdoc/clean/mod.rs:162
20: rustdoc::core::run_core::{{closure}}::{{closure}}
at src/librustdoc/core.rs:540
21: <std::thread::local::LocalKey<T>>::with
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc_driver/driver.rs:1318
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc/ty/context.rs:1990
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc/ty/context.rs:1956
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc/ty/context.rs:1889
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc/ty/context.rs:1955
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc/ty/context.rs:1989
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc/ty/context.rs:1944
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/libstd/thread/local.rs:296
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/libstd/thread/local.rs:242
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc/ty/context.rs:1936
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/libstd/thread/local.rs:296
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/libstd/thread/local.rs:242
22: rustc::ty::context::TyCtxt::create_and_enter
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc/ty/context.rs:1928
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc/ty/context.rs:1967
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc/ty/context.rs:1287
23: rustc_driver::driver::phase_3_run_analysis_passes
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc_driver/driver.rs:1208
24: <scoped_tls::ScopedKey<T>>::set
at src/librustdoc/core.rs:485
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc_driver/driver.rs:65
at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155
25: rustdoc::core::run_core
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/librustc_driver/driver.rs:64
at src/librustdoc/core.rs:391
26: <scoped_tls::ScopedKey<T>>::set
at src/librustdoc/lib.rs:435
at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/libsyntax/lib.rs:112
at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155
27: syntax::with_globals
at /rustc/f29b4fbd742b8180edb5e06cad0977b08881541b/src/libsyntax/lib.rs:111
note: the compiler unexpectedly panicked. this is a bug.
note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports
note: rustc 1.34.0-nightly (f29b4fbd7 2019-01-31) running on x86_64-unknown-linux-gnu
Error found when documenting the diff-enum
crate on docs.rs.