these 3 derivations will be built:
  /nix/store/iqq4hmk5gr2m73m9zj4jky4jj3n89pyp-source.drv
  /nix/store/5rf2rp2yr2dxxmawnib8zv40yizkb5q7-apm-0.34.0.drv
  /nix/store/rp1mrzviwh1p6i10cyp1b984k567g5x2-check-apm.drv