these 2 derivations will be built: /nix/store/fbwr9sl7wy5yf8daxvkq127ygybz09dw-flake-inputs.drv /nix/store/9sgaqkmz3l6kbnn9mrnq29p4zyv4i5hy-check-flake-inputs.drv building '/nix/store/fbwr9sl7wy5yf8daxvkq127ygybz09dw-flake-inputs.drv' building '/nix/store/9sgaqkmz3l6kbnn9mrnq29p4zyv4i5hy-check-flake-inputs.drv' upload niks3: ok