these 2 derivations will be built:
  /nix/store/wsjwxzg7y12ha6psx8x1w0cbivhpg87m-flake-inputs.drv
  /nix/store/587f6fm461hvl79a3wcf2p4fq1qhrzaz-check-flake-inputs.drv
building '/nix/store/wsjwxzg7y12ha6psx8x1w0cbivhpg87m-flake-inputs.drv'
building '/nix/store/587f6fm461hvl79a3wcf2p4fq1qhrzaz-check-flake-inputs.drv'

upload niks3: ok