these 3 derivations will be built:
  /nix/store/7x32lqgf4a01vwb1l9r1v7jj8m7swlmr-source.drv
  /nix/store/ni04993grb3jr9mkjls0z1k1af5j58by-agentty-0.9.10.drv
  /nix/store/a07c1ippmx8p1nsx85r2vhssy8608agd-check-agentty.drv