these 2 derivations will be built:
  /nix/store/510c40hihimcr4lj4k2gnbmhclzvqscj-flake-inputs.drv
  /nix/store/mjvzp4r3kv32x5rij0nd6jhp8glvv7dn-check-flake-inputs.drv
building '/nix/store/510c40hihimcr4lj4k2gnbmhclzvqscj-flake-inputs.drv'
building '/nix/store/mjvzp4r3kv32x5rij0nd6jhp8glvv7dn-check-flake-inputs.drv'

upload niks3: ok