this derivation will be built:
  /nix/store/l95yjl00a8vgfd5cvr9gz0l0w45cz4v4-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/l95yjl00a8vgfd5cvr9gz0l0w45cz4v4-bcachefs-module-7.0.0-28-generic.drv'...