these 5 derivations will be built:
  /nix/store/hw8by2zs9dpp4d58r2sq3ixan4g3pni4-claude.drv
  /nix/store/hwiyykgjim23j408qdv380pdqj0xmpf6-claude.drv
  /nix/store/ysiczvykdyp6ykbbclgrd1sb5xjvacvj-claude-code-2.1.285.drv
  /nix/store/mpsg03fkj7plrrg72p7vjbgrws1adzsr-claudebox.drv
  /nix/store/d8krpigxiw33cn00bnlglca94fc6kj7j-check-claudebox.drv
building '/nix/store/mpsg03fkj7plrrg72p7vjbgrws1adzsr-claudebox.drv'
building '/nix/store/d8krpigxiw33cn00bnlglca94fc6kj7j-check-claudebox.drv'

upload niks3: ok