these 2 derivations will be built:
  /nix/store/clk35qcmr5qgrgs25s0k7v0gc9ai5ssa-flake-inputs.drv
  /nix/store/74czzi1szvf8s1cnpdby4q8jy7ll4kyz-check-flake-inputs.drv
building '/nix/store/clk35qcmr5qgrgs25s0k7v0gc9ai5ssa-flake-inputs.drv'
building '/nix/store/74czzi1szvf8s1cnpdby4q8jy7ll4kyz-check-flake-inputs.drv'

upload niks3: ok