these 5 derivations will be built:
  /nix/store/npzixmvdmpc7r6bi6hh8c3f3gibxp11p-source.drv
  /nix/store/n3pcf68hrpvpzhzhvq97a75z98y68dyy-beads-1.3.3-go-modules.drv
  /nix/store/p0q0001bsxb1vwzwl9h2dha6iyifrnih-beads-1.3.3.drv
  /nix/store/m3gvk1x0qdw9bn0i15xg4w6brhrrcxgr-gastown-1.2.1.drv
  /nix/store/5c2nwm8lw9q096nbmk3qcbh499v9aywk-check-gastown.drv