these 2 derivations will be built: /nix/store/nhsaphwp65i7z58jdcvj6is43fk2cz60-flake-inputs.drv /nix/store/0w1rs4620y3x5yk91ms1440pxpnfsls3-check-flake-inputs.drv building '/nix/store/nhsaphwp65i7z58jdcvj6is43fk2cz60-flake-inputs.drv' building '/nix/store/0w1rs4620y3x5yk91ms1440pxpnfsls3-check-flake-inputs.drv' upload niks3: ok