this derivation will be built: /nix/store/wvryf5ysjb6cbcb51bq5ksgfbhbsr2s5-bcachefs-module-7.0.0-28-generic.drv building '/nix/store/wvryf5ysjb6cbcb51bq5ksgfbhbsr2s5-bcachefs-module-7.0.0-28-generic.drv'...