https://github.com/rust-lang/backtrace-rs/releases/tag/0.3.72
Backtrace 0.3.72 removed gimli-symbolize. https://github.com/rust-lang/backtrace-rs/pull/615/files
The feature didn't do anything anymore.
I think at a minimum color-eyre should update backtrace's version to 0.3.59. That way the feature can be removed.
Backtrace's version with the removal: 0.3.59: rust-lang/backtrace-rs@5fc4f79