this derivation will be built: /nix/store/6r1sdma1dw69scbqd7m96fpkql1li0a0-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/6r1sdma1dw69scbqd7m96fpkql1li0a0-bcachefs-module-7.0.0-38-generic.drv'...