these 4 derivations will be built:
  /nix/store/9gmx2r3hkci02z8y6klqs15n0swccp4p-find-msvc-tools-0.1.15.drv
  /nix/store/dh3n6pa7xv65232398p7nsf2nk68ggqk-cc-1.10.0.drv
  /nix/store/sk9zi7hmqjsj0jrcs33169hgw278jyd3-cargo-vendor-dir.drv
  /nix/store/qiimcma09cddd48wvsj3ahkgm65rqns4-nix-ld.drv