these 3 derivations will be built:
  /nix/store/lq1i4vlf0fs6rf7r9c8d3wiya4jhfly0-treefmt.toml.drv
  /nix/store/xs1j4jvnb7daa1hrn9yyn505f867z099-examples.drv
  /nix/store/x4afqc85ar5hrrfy32xlfx9p53r8y7dc-test-examples.drv