these 3 derivations will be built:
  /nix/store/c6qw7cvxmc3x9793fx9pv0lfrr1j2cxy-freebuff-linux-arm64.tar.gz.drv
  /nix/store/iil1jhfai8i8w1i1g87dfdcih602bkdp-freebuff-0.0.201.drv
  /nix/store/gfpjvrxkh72m40vzd14fzq9r9dcikz17-check-freebuff.drv