this derivation will be built: /nix/store/s1i4md5nxlbkldm5g5bn0n9g8w2wrxx3-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/s1i4md5nxlbkldm5g5bn0n9g8w2wrxx3-bcachefs-module-7.0.0-38-generic.drv'...