these 2 derivations will be built:
  /nix/store/i2vccqxa73q5wv2fjil23qrjcgbn04id-claudebox.drv
  /nix/store/jm12204g8717kx54jwmikrz0kgw03z84-check-claudebox.drv
building '/nix/store/i2vccqxa73q5wv2fjil23qrjcgbn04id-claudebox.drv'
building '/nix/store/jm12204g8717kx54jwmikrz0kgw03z84-check-claudebox.drv'

upload niks3: ok