===> Building for gurk-0.7.1
error: failed to load source for dependency `curve25519-dalek`

Caused by:
  Unable to update /usr/pkgsrc/wip/gurk/work/curve25519-dalek-fa033980129e3d7b806803b3f1a2a04399ea6fb7

Caused by:
  found a virtual manifest at `/usr/pkgsrc/wip/gurk/work/curve25519-dalek-fa033980129e3d7b806803b3f1a2a04399ea6fb7/Cargo.toml` instead of a package manifest
