these 2 derivations will be built: /nix/store/76wkkwx0nn96icq2rfl6n2mfcmd32s1n-flake-inputs.drv /nix/store/ywwpk59qzyq6fjsbzrc4ynj6wb36ndf0-check-flake-inputs.drv building '/nix/store/76wkkwx0nn96icq2rfl6n2mfcmd32s1n-flake-inputs.drv' building '/nix/store/ywwpk59qzyq6fjsbzrc4ynj6wb36ndf0-check-flake-inputs.drv' upload niks3: ok