this derivation will be built: /nix/store/fxy3yaaqladnjqbd2mzrqldv4ld3kxkh-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/fxy3yaaqladnjqbd2mzrqldv4ld3kxkh-bcachefs-module-7.0.0-38-generic.drv'...