this derivation will be built: /nix/store/m5zbq2a0vcmjxr0r5g1dqyxmgz4bm006-check-gitnexus.drv building '/nix/store/m5zbq2a0vcmjxr0r5g1dqyxmgz4bm006-check-gitnexus.drv' upload niks3: ok