these 2 derivations will be built:
  /nix/store/j5x4z942z834kram9n74hm17xm1r5g72-claudebox.drv
  /nix/store/vb8dl9hjnhbcxb9chmpcswmbamsbcnmm-check-claudebox.drv
building '/nix/store/j5x4z942z834kram9n74hm17xm1r5g72-claudebox.drv'
building '/nix/store/vb8dl9hjnhbcxb9chmpcswmbamsbcnmm-check-claudebox.drv'

upload niks3: ok