- librust-fnv-1+default-dev (>= 1.0.6-~~)
- librust-ident-case-1+default-dev
- librust-proc-macro2-1+default-dev
- librust-quote-1+default-dev
- librust-syn-1+default-dev (>= 1.0.1-~~)
- librust-syn-1+extra-traits-dev (>= 1.0.1-~~)
- librust-syn-1+full-dev (>= 1.0.1-~~)