these 3 derivations will be built:
  /nix/store/0jwcl33lccwmjdgdyq86vfv58kzzmsfv-pi-1.5.0.drv
  /nix/store/cl21f8hk4lp24w0p7saxhkizy6rm0093-pi-acp-0.0.34.drv
  /nix/store/czhshi7mhd41njzzq7nr32q80ydxjvbz-check-pi-acp.drv