these 4 derivations will be built:
  /nix/store/nkp26mk4s6zywww7l82nqy6bjpfa1hqp-source.drv
  /nix/store/sxlw2qfzlxkk1mnyg49r1yarkdcall3a-ctx-1.4.10-vendor-staging.drv
  /nix/store/0anl5bwl0xmgb6zifhpym5gg79vlikka-ctx-1.4.10-vendor.drv
  /nix/store/jc4jlxadgkxvnaxrvllcmy7mcp9v796r-ctx-1.4.10.drv