Cheers!
FWIW, just to add half a data point, I recently tried backporting
rustc-1.83 to bookworm (that is, using the source from unstable), and
this bug didn't show up neither on amd64 nor on arm64. My logs look
exactly the same as Fabian's.
- Bug#1091609: rustc: FTBFS: dwz: debian/rust-llvm/usr/l... Lucas Nussbaum
- Bug#1091609: [Pkg-rust-maintainers] Bug#1091609: ... Fabian Grünbichler
- Bug#1091609: [Pkg-rust-maintainers] Bug#10916... NoisyCoil