these 3 derivations will be built:
  /nix/store/f7a11lq6s17ivn6g9kmh5833f4pdy0n9-freebuff-linux-arm64.tar.gz.drv
  /nix/store/4df79ypp3riwz8jj6ajkaw2r75g4k2l9-freebuff-0.2.36.drv
  /nix/store/i78r8jyryh9r37f5dvs0byqr217fzdsy-check-freebuff.drv