Internal compiler error encountered while using Nightly v1.51.0-nightly (04caa632d 2021-01-30)

[saki-osive]

While building Polkadot, I encountered this error at the module Compiling libp2p-mdns v0.26.0

Code

The code lives here: https://github.com/paritytech/polkadot

Meta

rustc --version --verbose:

rustc 1.51.0-nightly (04caa632d 2021-01-30)
binary: rustc
commit-hash: 04caa632dd10c2bf64b69524c7f9c4c30a436877
commit-date: 2021-01-30
host: x86_64-unknown-linux-gnu
release: 1.51.0-nightly
LLVM version: 11.0.1

Error output

Compiling libp2p-mdns v0.26.0
error: internal compiler error: failed to process buffered lint here
   --> /home/vagrant/.cargo/registry/src/github.com-1ecc6299db9ec823/libp2p-mdns-0.26.0/src/service.rs:293:37
    |
293 |                         Err(err) => log::error!("if watch returned an error: {}", err),
    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: delayed at /rustc/04caa632dd10c2bf64b69524c7f9c4c30a436877/compiler/rustc_lint/src/early.rs:384:18
    = note: this error: internal compiler error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', compiler/rustc_errors/src/lib.rs:974:13
note: run with `RUST_BACKTRACE=1` environment variable to display a 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/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.51.0-nightly (04caa632d 2021-01-30) running on x86_64-unknown-linux-gnu

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

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

query stack during panic:
end of query stack
error: could not compile `libp2p-mdns`

To learn more, run the command again with --verbose.
warning: build failed, waiting for other jobs to finish...
error: failed to compile `polkadot v0.8.27 (https://github.com/paritytech/polkadot?tag=v0.8.27#2f845699)`, intermediate artifacts can be found at `/tmp/cargo-install30MKt1`

Caused by:
  build failed

Backtrace

<backtrace>

[jonas-schievink]

duplicate of #81531