these 5 derivations will be built:
  /nix/store/sxdvnxg6mzp4cj9dwizy1920hdxbzvyr-source.drv
  /nix/store/9r21aw26g7rjrlrhwv5ml4d0k5k7v9y2-ctx-2.2.8-vendor-staging.drv
  /nix/store/cpagjpvkag277i68yicq6sbikzgyh2bl-ctx-2.2.8-vendor.drv
  /nix/store/zky4j7vl60msy50yfakpakj8w5j9rmch-ctx-2.2.8.drv
  /nix/store/5492v0xz3x9bjfsrym3c2n3h8c59wmxq-check-ctx.drv