this derivation will be built: /nix/store/1gybb8gf6a9r16dmx0w2vl513hlrqb62-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/1gybb8gf6a9r16dmx0w2vl513hlrqb62-bcachefs-module-7.0.0-31-generic.drv'...