Compiling serde_derive v1.0.15
error: attribute must only have one argument
  --> /Users/benjyw/.cache/pants/rust-toolchain/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.15/src/lib.rs:44:3
   |
44 | #[proc_macro_derive(Serialize, attributes(serde))]
   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^