no errors encountered even though `delay_span_bug` issued

[infiniwave]

The compiler panics while compiling, both for debug and release. cargo check does not find any errors. The code compiles on stable except for the nightly-only features.

Meta

rustc --version --verbose:

rustc 1.65.0-nightly (78a891d36 2022-09-06)
binary: rustc
commit-hash: 78a891d364a7358ed9eb9c93099ba2f3e6817ca6
commit-date: 2022-09-06
host: x86_64-unknown-linux-gnu
release: 1.65.0-nightly
LLVM version: 15.0.0

Error output

error: internal compiler error: no errors encountered even though `delay_span_bug` issued

error: internal compiler error: broken MIR in DropGlue(DefId(2:2767 ~ core[31aa]::ptr::drop_in_place), Some(tokio::runtime::task::core::Stage<warp::hyper::server::server::new_svc::NewSvcTask<warp::hyper::server::conn::AddrStream, futures_util::future::Ready<std::result::Result<warp::hyper::service::util::ServiceFn<[closure@warp::Server<warp::filter::map::Map<warp::filter::and::And<warp::filter::and::And<warp::filter::FilterFn<[closure@warp::filters::method::method_is<[closure@warp::post::{closure#0}]>::{closure#0}]>, warp::filter::and::And<warp::filter::and::And<warp::filter::and::And<warp::filters::any::Any, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::filter::FilterFn<[closure@warp::path::end::{closure#0}]>>>, warp::filter::and_then::AndThen<warp::filter::FilterFn<[closure@warp::filter::filter_fn_one<[closure@warp::body::body::{closure#0}], futures_util::future::Ready<std::result::Result<warp::hyper::Body, warp::Rejection>>>::{closure#0}]>, [closure@warp::body::bytes::{closure#0}]>>, fn(warp::hyper::body::Bytes) -> impl warp::Reply {methods::rpc::routes}>>::bind_ephemeral<([u8; 4], u16)>::{closure#1}::{closure#0}::{closure#0}], warp::hyper::Body>, std::convert::Infallible>>, warp::hyper::service::util::ServiceFn<[closure@warp::Server<warp::filter::map::Map<warp::filter::and::And<warp::filter::and::And<warp::filter::FilterFn<[closure@warp::filters::method::method_is<[closure@warp::post::{closure#0}]>::{closure#0}]>, warp::filter::and::And<warp::filter::and::And<warp::filter::and::And<warp::filters::any::Any, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::filter::FilterFn<[closure@warp::path::end::{closure#0}]>>>, warp::filter::and_then::AndThen<warp::filter::FilterFn<[closure@warp::filter::filter_fn_one<[closure@warp::body::body::{closure#0}], futures_util::future::Ready<std::result::Result<warp::hyper::Body, warp::Rejection>>>::{closure#0}]>, [closure@warp::body::bytes::{closure#0}]>>, fn(warp::hyper::body::Bytes) -> impl warp::Reply {methods::rpc::routes}>>::bind_ephemeral<([u8; 4], u16)>::{closure#1}::{closure#0}::{closure#0}], warp::hyper::Body>, warp::hyper::common::exec::Exec, warp::hyper::server::server::NoopWatcher>>)) (after pass PhaseChange-Runtime(Optimized)) at bb3[0]:
                                Field projection `((*_1) as Finished).field[0]` specified type `std::result::Result<(), tokio::runtime::task::error::JoinError>`, but actual type is std::result::Result<<warp::hyper::server::server::new_svc::NewSvcTask<warp::hyper::server::conn::AddrStream, futures_util::future::Ready<std::result::Result<warp::hyper::service::util::ServiceFn<[closure@warp::Server<warp::filter::map::Map<warp::filter::and::And<warp::filter::and::And<warp::filter::FilterFn<[closure@warp::filters::method::method_is<[closure@warp::post::{closure#0}]>::{closure#0}]>, warp::filter::and::And<warp::filter::and::And<warp::filter::and::And<warp::filters::any::Any, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::filter::FilterFn<[closure@warp::path::end::{closure#0}]>>>, warp::filter::and_then::AndThen<warp::filter::FilterFn<[closure@warp::filter::filter_fn_one<[closure@warp::body::body::{closure#0}], futures_util::future::Ready<std::result::Result<warp::hyper::Body, warp::Rejection>>>::{closure#0}]>, [closure@warp::body::bytes::{closure#0}]>>, fn(warp::hyper::body::Bytes) -> impl warp::Reply {methods::rpc::routes}>>::bind_ephemeral<([u8; 4], u16)>::{closure#1}::{closure#0}::{closure#0}], warp::hyper::Body>, std::convert::Infallible>>, warp::hyper::service::util::ServiceFn<[closure@warp::Server<warp::filter::map::Map<warp::filter::and::And<warp::filter::and::And<warp::filter::FilterFn<[closure@warp::filters::method::method_is<[closure@warp::post::{closure#0}]>::{closure#0}]>, warp::filter::and::And<warp::filter::and::And<warp::filter::and::And<warp::filters::any::Any, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::filter::FilterFn<[closure@warp::path::end::{closure#0}]>>>, warp::filter::and_then::AndThen<warp::filter::FilterFn<[closure@warp::filter::filter_fn_one<[closure@warp::body::body::{closure#0}], futures_util::future::Ready<std::result::Result<warp::hyper::Body, warp::Rejection>>>::{closure#0}]>, [closure@warp::body::bytes::{closure#0}]>>, fn(warp::hyper::body::Bytes) -> impl warp::Reply {methods::rpc::routes}>>::bind_ephemeral<([u8; 4], u16)>::{closure#1}::{closure#0}::{closure#0}], warp::hyper::Body>, warp::hyper::common::exec::Exec, warp::hyper::server::server::NoopWatcher> as warp::Future>::Output, tokio::runtime::task::error::JoinError>
   --> /home/administrator/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:487:1
    |
487 | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: delayed at compiler/rustc_const_eval/src/transform/validate.rs:127:36

error: internal compiler error: broken MIR in DropGlue(DefId(2:2767 ~ core[31aa]::ptr::drop_in_place), Some(warp::hyper::server::server::new_svc::State<warp::hyper::server::conn::AddrStream, futures_util::future::Ready<std::result::Result<warp::hyper::service::util::ServiceFn<[closure@warp::Server<warp::filter::map::Map<warp::filter::and::And<warp::filter::and::And<warp::filter::FilterFn<[closure@warp::filters::method::method_is<[closure@warp::post::{closure#0}]>::{closure#0}]>, warp::filter::and::And<warp::filter::and::And<warp::filter::and::And<warp::filters::any::Any, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::filter::FilterFn<[closure@warp::path::end::{closure#0}]>>>, warp::filter::and_then::AndThen<warp::filter::FilterFn<[closure@warp::filter::filter_fn_one<[closure@warp::body::body::{closure#0}], futures_util::future::Ready<std::result::Result<warp::hyper::Body, warp::Rejection>>>::{closure#0}]>, [closure@warp::body::bytes::{closure#0}]>>, fn(warp::hyper::body::Bytes) -> impl warp::Reply {methods::rpc::routes}>>::bind_ephemeral<([u8; 4], u16)>::{closure#1}::{closure#0}::{closure#0}], warp::hyper::Body>, std::convert::Infallible>>, warp::hyper::service::util::ServiceFn<[closure@warp::Server<warp::filter::map::Map<warp::filter::and::And<warp::filter::and::And<warp::filter::FilterFn<[closure@warp::filters::method::method_is<[closure@warp::post::{closure#0}]>::{closure#0}]>, warp::filter::and::And<warp::filter::and::And<warp::filter::and::And<warp::filters::any::Any, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::filter::FilterFn<[closure@warp::path::end::{closure#0}]>>>, warp::filter::and_then::AndThen<warp::filter::FilterFn<[closure@warp::filter::filter_fn_one<[closure@warp::body::body::{closure#0}], futures_util::future::Ready<std::result::Result<warp::hyper::Body, warp::Rejection>>>::{closure#0}]>, [closure@warp::body::bytes::{closure#0}]>>, fn(warp::hyper::body::Bytes) -> impl warp::Reply {methods::rpc::routes}>>::bind_ephemeral<([u8; 4], u16)>::{closure#1}::{closure#0}::{closure#0}], warp::hyper::Body>, warp::hyper::common::exec::Exec, warp::hyper::server::server::NoopWatcher>)) (after pass PhaseChange-Runtime(Optimized)) at bb3[0]:
                                Field projection `((*_1) as Connected).field[0]` specified type `warp::hyper::server::conn::upgrades::UpgradeableConnection<warp::hyper::server::conn::AddrStream, warp::hyper::service::util::ServiceFn<[closure@warp::Server<warp::filter::map::Map<warp::filter::and::And<warp::filter::and::And<warp::filter::FilterFn<[closure@warp::filters::method::method_is<[closure@warp::post::{closure#0}]>::{closure#0}]>, warp::filter::and::And<warp::filter::and::And<warp::filter::and::And<warp::filters::any::Any, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::filter::FilterFn<[closure@warp::path::end::{closure#0}]>>>, warp::filter::and_then::AndThen<warp::filter::FilterFn<[closure@warp::filter::filter_fn_one<[closure@warp::body::body::{closure#0}], futures_util::future::Ready<std::result::Result<warp::hyper::Body, warp::Rejection>>>::{closure#0}]>, [closure@warp::body::bytes::{closure#0}]>>, fn(warp::hyper::body::Bytes) -> impl warp::Reply {methods::rpc::routes}>>::bind_ephemeral<([u8; 4], u16)>::{closure#1}::{closure#0}::{closure#0}], warp::hyper::Body>, warp::hyper::common::exec::Exec>`, but actual type is <warp::hyper::server::server::NoopWatcher as warp::hyper::server::server::Watcher<warp::hyper::server::conn::AddrStream, warp::hyper::service::util::ServiceFn<[closure@warp::Server<warp::filter::map::Map<warp::filter::and::And<warp::filter::and::And<warp::filter::FilterFn<[closure@warp::filters::method::method_is<[closure@warp::post::{closure#0}]>::{closure#0}]>, warp::filter::and::And<warp::filter::and::And<warp::filter::and::And<warp::filters::any::Any, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::path::Exact<warp::path::internal::Opaque<main::main::{closure#0}::__StaticPath>>>, warp::filter::FilterFn<[closure@warp::path::end::{closure#0}]>>>, warp::filter::and_then::AndThen<warp::filter::FilterFn<[closure@warp::filter::filter_fn_one<[closure@warp::body::body::{closure#0}], futures_util::future::Ready<std::result::Result<warp::hyper::Body, warp::Rejection>>>::{closure#0}]>, [closure@warp::body::bytes::{closure#0}]>>, fn(warp::hyper::body::Bytes) -> impl warp::Reply {methods::rpc::routes}>>::bind_ephemeral<([u8; 4], u16)>::{closure#1}::{closure#0}::{closure#0}], warp::hyper::Body>, warp::hyper::common::exec::Exec>>::Future
   --> /home/administrator/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:487:1
    |
487 | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: delayed at compiler/rustc_const_eval/src/transform/validate.rs:127:36

thread 'rustc' panicked at 'Box<dyn Any>', compiler/rustc_errors/src/lib.rs:1494:13
<backtrace>

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.65.0-nightly (78a891d36 2022-09-06) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type bin -C opt-level=3 -C embed-bitcode=no

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
error: could not compile `easylink`

Backtrace

stack backtrace:
   0:     0x7fd95152d210 - std::backtrace_rs::backtrace::libunwind::trace::h21646be08690cc40
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   1:     0x7fd95152d210 - std::backtrace_rs::backtrace::trace_unsynchronized::h9f1fe42f44553716
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7fd95152d210 - std::sys_common::backtrace::_print_fmt::hab0a8a42ed612520
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/std/src/sys_common/backtrace.rs:66:5
   3:     0x7fd95152d210 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8335f52e54d46ccf
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/std/src/sys_common/backtrace.rs:45:22
   4:     0x7fd95158802e - core::fmt::write::hfcbb54030acb2744
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/core/src/fmt/mod.rs:1202:17
   5:     0x7fd95151dcd5 - std::io::Write::write_fmt::hed351c44331cd179
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/std/src/io/mod.rs:1679:15
   6:     0x7fd95152fe63 - std::sys_common::backtrace::_print::h40cfc30b9abc5c43
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/std/src/sys_common/backtrace.rs:48:5
   7:     0x7fd95152fe63 - std::sys_common::backtrace::print::h9d34bfe87c2cc4a0
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/std/src/sys_common/backtrace.rs:35:9
   8:     0x7fd95152fe63 - std::panicking::default_hook::{{closure}}::h7e3919c83aded8ae
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/std/src/panicking.rs:295:22
   9:     0x7fd95152fb4f - std::panicking::default_hook::h7f7edfc94586dad5
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/std/src/panicking.rs:314:9
  10:     0x7fd953d9c4e1 - rustc_driver[2795d98b07d801db]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7fd95153069d - std::panicking::rust_panic_with_hook::h62ce697bbafdcf0b
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/std/src/panicking.rs:702:17
  12:     0x7fd954ee2041 - std[8e0d3d70c3a8d58a]::panicking::begin_panic::<rustc_errors[bdb1f8fbd8907e61]::ExplicitBug>::{closure#0}
  13:     0x7fd954ee1b96 - std[8e0d3d70c3a8d58a]::sys_common::backtrace::__rust_end_short_backtrace::<std[8e0d3d70c3a8d58a]::panicking::begin_panic<rustc_errors[bdb1f8fbd8907e61]::ExplicitBug>::{closure#0}, !>
  14:     0x7fd954ee1b56 - std[8e0d3d70c3a8d58a]::panicking::begin_panic::<rustc_errors[bdb1f8fbd8907e61]::ExplicitBug>
  15:     0x7fd954ee4776 - std[8e0d3d70c3a8d58a]::panic::panic_any::<rustc_errors[bdb1f8fbd8907e61]::ExplicitBug>
  16:     0x7fd9538f2cd8 - <rustc_errors[bdb1f8fbd8907e61]::HandlerInner as core[31aaf346d0c050fe]::ops::drop::Drop>::drop
  17:     0x7fd952b96c68 - core[31aaf346d0c050fe]::ptr::drop_in_place::<rustc_session[e3515b6a49b6e8ce]::parse::ParseSess>
  18:     0x7fd952b54fe8 - <alloc[812cd34b3dffb023]::rc::Rc<rustc_session[e3515b6a49b6e8ce]::session::Session> as core[31aaf346d0c050fe]::ops::drop::Drop>::drop
  19:     0x7fd952b51f9d - core[31aaf346d0c050fe]::ptr::drop_in_place::<rustc_interface[9bc1f0c6c5e6f2d9]::interface::Compiler>
  20:     0x7fd952b4f7cf - rustc_interface[9bc1f0c6c5e6f2d9]::interface::create_compiler_and_run::<core[31aaf346d0c050fe]::result::Result<(), rustc_errors[bdb1f8fbd8907e61]::ErrorGuaranteed>, rustc_driver[2795d98b07d801db]::run_compiler::{closure#1}>
  21:     0x7fd952b4dce1 - <scoped_tls[cfe2a4079d5abda6]::ScopedKey<rustc_span[fcbe8f7b61d422ec]::SessionGlobals>>::set::<rustc_interface[9bc1f0c6c5e6f2d9]::interface::run_compiler<core[31aaf346d0c050fe]::result::Result<(), rustc_errors[bdb1f8fbd8907e61]::ErrorGuaranteed>, rustc_driver[2795d98b07d801db]::run_compiler::{closure#1}>::{closure#0}, core[31aaf346d0c050fe]::result::Result<(), rustc_errors[bdb1f8fbd8907e61]::ErrorGuaranteed>>
  22:     0x7fd952b4d9cf - std[8e0d3d70c3a8d58a]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[9bc1f0c6c5e6f2d9]::util::run_in_thread_pool_with_globals<rustc_interface[9bc1f0c6c5e6f2d9]::interface::run_compiler<core[31aaf346d0c050fe]::result::Result<(), rustc_errors[bdb1f8fbd8907e61]::ErrorGuaranteed>, rustc_driver[2795d98b07d801db]::run_compiler::{closure#1}>::{closure#0}, core[31aaf346d0c050fe]::result::Result<(), rustc_errors[bdb1f8fbd8907e61]::ErrorGuaranteed>>::{closure#0}, core[31aaf346d0c050fe]::result::Result<(), rustc_errors[bdb1f8fbd8907e61]::ErrorGuaranteed>>
  23:     0x7fd953c0aba9 - <<std[8e0d3d70c3a8d58a]::thread::Builder>::spawn_unchecked_<rustc_interface[9bc1f0c6c5e6f2d9]::util::run_in_thread_pool_with_globals<rustc_interface[9bc1f0c6c5e6f2d9]::interface::run_compiler<core[31aaf346d0c050fe]::result::Result<(), rustc_errors[bdb1f8fbd8907e61]::ErrorGuaranteed>, rustc_driver[2795d98b07d801db]::run_compiler::{closure#1}>::{closure#0}, core[31aaf346d0c050fe]::result::Result<(), rustc_errors[bdb1f8fbd8907e61]::ErrorGuaranteed>>::{closure#0}, core[31aaf346d0c050fe]::result::Result<(), rustc_errors[bdb1f8fbd8907e61]::ErrorGuaranteed>>::{closure#1} as core[31aaf346d0c050fe]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  24:     0x7fd95153a4f3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hdf9c758750ff5822
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/alloc/src/boxed.rs:1940:9
  25:     0x7fd95153a4f3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0f4b4f05b38d1a00
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/alloc/src/boxed.rs:1940:9
  26:     0x7fd95153a4f3 - std::sys::unix::thread::Thread::new::thread_start::hfdfaccc5f3b267e1
                               at /rustc/78a891d364a7358ed9eb9c93099ba2f3e6817ca6/library/std/src/sys/unix/thread.rs:108:17
  27:     0x7fd95128fb43 - <unknown>
  28:     0x7fd951321a00 - <unknown>
  29:                0x0 - <unknown>

[compiler-errors]

This should be fixed by #101437

[infiniwave]

With the fix it now builds on last night's nightly build.