these 5 derivations will be built:
  /nix/store/7wd65rmsjbv167xfplifd0w99k1xwqdb-source.drv
  /nix/store/gswfag3pi13yvlmf72pcxcsflk24dcnm-ctx-2.3.0-vendor-staging.drv
  /nix/store/hdf76bq241pc2sbzxhb6ciqzrl5x2c6j-ctx-2.3.0-vendor.drv
  /nix/store/61hlfzhxqdx9rlr2nb6i2v4d28zpa6d6-ctx-2.3.0.drv
  /nix/store/yqs22034b551vwjipng4gl3iayarrkx3-check-ctx.drv