this derivation will be built:
  /nix/store/qb6s2w0mij6nn4d8zw38gy5jbpnk3v69-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/qb6s2w0mij6nn4d8zw38gy5jbpnk3v69-bcachefs-module-7.0.0-30-generic.drv'...