Panic still: proc-macro

error: internal compiler error: ../src/librustc_metadata/decoder.rs:490: entry: id not found: DefIndex(1) in crate "serde_derive" with number 105

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

thread 'rustc' panicked at 'Box', ../src/librustc_errors/lib.rs:424
note: Run with RUST_BACKTRACE=1 for a backtrace.

with serde-derive.
rustc-nightly_11-17

[keeperofdakeys]

This looks like the same issue as #37788, which should be fixed in the next nightly.