these 2 derivations will be built: /nix/store/fsm51cd9n0b66hcxilb3xvn5r4b47yg2-flake-inputs.drv /nix/store/4nd7sgp4qikfn8dh8lr79yg9rm3i2138-check-flake-inputs.drv building '/nix/store/fsm51cd9n0b66hcxilb3xvn5r4b47yg2-flake-inputs.drv' building '/nix/store/4nd7sgp4qikfn8dh8lr79yg9rm3i2138-check-flake-inputs.drv' upload niks3: ok