error: cannot find derive macro RustcDecodable in this scope

[davehorner]

trying to run nannou examples on macosx 15.2

.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/biguint.rs:50:64
   |
50 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
   |                                                                ^^^^^^^^^^^^^^

error: cannot find derive macro `RustcEncodable` in this scope

Didn't see this reported on another issue. All the samples fail with the above error.

[davehorner]

I did a cargo update and whatever the issue was is fixed. hope this helps someone. cheers.

[cuviper]

Yep, it was patched in #319.