this derivation will be built: /nix/store/389av0wsymxsa1nykcfpbp5qc9ybf7sc-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/389av0wsymxsa1nykcfpbp5qc9ybf7sc-bcachefs-module-7.0.0-38-generic.drv'...