these 3 derivations will be built:
  /nix/store/iqzxqxy76yscf067vqlwp241mng4aajk-sandbox-runtime-src-with-lock.drv
  /nix/store/kbb7y4bn68i6qfvd7hcsyyk99skdwf0m-sandbox-runtime-0.0.81.drv
  /nix/store/arv3h2k1k0nrh4hm5j6g8qyffxl5i4hf-check-sandbox-runtime.drv