these 4 derivations will be built:
  /nix/store/fsll1fnjpcgdncgl3zpzxijppfdcccqx-dolt-2.4.1.drv
  /nix/store/jidr5bv34m4428fwvjkpc6r3ahhph5fr-beads-1.3.1.drv
  /nix/store/dn4c3s31cafwr3x6ngwglp7gfllw2cvf-gastown-1.2.1.drv
  /nix/store/1vxh06ipbqm2mky29g8jr0wj4vx7303n-check-gastown.drv