these 2 derivations will be built:
  /nix/store/mfhgkkzlxsl4d4mwfd5753dqhyn4zr99-flake-inputs.drv
  /nix/store/v44hy84kmkpq3bxxhgrk6bn649015wzg-check-flake-inputs.drv
building '/nix/store/mfhgkkzlxsl4d4mwfd5753dqhyn4zr99-flake-inputs.drv'
building '/nix/store/v44hy84kmkpq3bxxhgrk6bn649015wzg-check-flake-inputs.drv'

upload niks3: ok