these 4 derivations will be built:
  /nix/store/95ldsfkpbvfn9ybrddf7nw66xiw79x6b-claude.drv
  /nix/store/askcqfl3bk20ghp8rsrj9rfp6mz0r42w-claude-code-2.1.307.drv
  /nix/store/pfh5wl9irxs33g3rw0804cxlaapnp28k-claudebox.drv
  /nix/store/qf2a27y2wyvfvmvfal8pzsbrlncniscg-check-claudebox.drv
building '/nix/store/pfh5wl9irxs33g3rw0804cxlaapnp28k-claudebox.drv'
building '/nix/store/qf2a27y2wyvfvmvfal8pzsbrlncniscg-check-claudebox.drv'

upload niks3: ok