Closed
Description
Code
I tried to build docopt/docopt.rs@be4aaf2 then rustc panicked.
Meta
rustc --version --verbose:
rustc 1.44.0-nightly (f509b26a7 2020-03-18)
binary: rustc
commit-hash: f509b26a7730d721ef87423a72b3fdf8724b4afa
commit-date: 2020-03-18
host: x86_64-unknown-linux-gnu
release: 1.44.0-nightly
LLVM version: 9.0
Error output
thread 'rustc' panicked at 'called `Option::unwrap()` on a `None` value', src/librustc/hir/mod.rs:81:37
Backtrace
thread 'rustc' panicked at 'called `Option::unwrap()` on a `None` value', src/librustc/hir/mod.rs:81:37
stack backtrace:
0: backtrace::backtrace::libunwind::trace
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
1: backtrace::backtrace::trace_unsynchronized
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
2: std::sys_common::backtrace::_print_fmt
at src/libstd/sys_common/backtrace.rs:78
3: <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt
at src/libstd/sys_common/backtrace.rs:59
4: core::fmt::write
at src/libcore/fmt/mod.rs:1069
5: std::io::Write::write_fmt
at src/libstd/io/mod.rs:1427
6: std::sys_common::backtrace::_print
at src/libstd/sys_common/backtrace.rs:62
7: std::sys_common::backtrace::print
at src/libstd/sys_common/backtrace.rs:49
8: std::panicking::default_hook::{{closure}}
at src/libstd/panicking.rs:198
9: std::panicking::default_hook
at src/libstd/panicking.rs:218
10: rustc_driver::report_ice
11: <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call
at /rustc/f509b26a7730d721ef87423a72b3fdf8724b4afa/src/liballoc/boxed.rs:1031
12: proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}
at /rustc/f509b26a7730d721ef87423a72b3fdf8724b4afa/src/libproc_macro/bridge/client.rs:305
13: std::panicking::rust_panic_with_hook
at src/libstd/panicking.rs:515
14: rust_begin_unwind
at src/libstd/panicking.rs:419
15: core::panicking::panic_fmt
at src/libcore/panicking.rs:111
16: core::panicking::panic
at src/libcore/panicking.rs:54
17: core::ops::function::FnOnce::call_once
18: rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors for rustc::ty::query::queries::hir_owner>::compute
19: rustc::dep_graph::graph::DepGraph::with_task_impl
20: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt>::get_query
21: rustc::hir::map::Map::get_entry
22: rustc::hir::map::Map::find
23: rustc_passes::dead::MarkSymbolVisitor::check_def_id
24: rustc_hir::intravisit::walk_item
25: rustc_passes::dead::check_crate
26: rustc_session::utils::<impl rustc_session::session::Session>::time
27: rustc_interface::passes::analysis::{{closure}}::{{closure}}
28: rustc_session::utils::<impl rustc_session::session::Session>::time
29: rustc_interface::passes::analysis
30: rustc::ty::query::__query_compute::analysis
31: rustc::dep_graph::graph::DepGraph::with_task_impl
32: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt>::get_query
33: rustc::ty::context::tls::enter_global
34: rustc_interface::interface::run_compiler_in_existing_thread_pool
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
error: internal compiler error: unexpected panic
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 1.44.0-nightly (f509b26a7 2020-03-18) running on x86_64-unknown-linux-gnu
note: compiler flags: -C debuginfo=2 -C incremental --crate-type bin
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
#0 [hir_owner] processing `regex`
#1 [analysis] running analysis passes on this crate
end of query stack
error: could not compile `docopt`.