this derivation will be built:
  /nix/store/ls5d5v9d5mf6r2f68b992fdxj19xdp78-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/ls5d5v9d5mf6r2f68b992fdxj19xdp78-bcachefs-module-7.0.0-27-generic.drv'...