this derivation will be built:
  /nix/store/y8ismd5sxq4jb4zn20kvckzk2nh4fdjq-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/y8ismd5sxq4jb4zn20kvckzk2nh4fdjq-bcachefs-module-7.0.0-39-generic.drv'...