these 5 derivations will be built:
  /nix/store/3m5a5kkql5pj1wb6cjv1vdl73qsx26dg-source.drv
  /nix/store/lf58bqmjzxs11yb04wxxy4d0sldw56y8-workmux-0.1.269-vendor-staging.drv
  /nix/store/wfkhp43jspq2wabp7j92zzfidqskbarp-workmux-0.1.269-vendor.drv
  /nix/store/r0djd7acmcbpxwjrqwdmnimihsqlr12m-workmux-0.1.269.drv
  /nix/store/c9whqrzsbpav54ix5hmsg1qkjlc3rqhk-check-workmux.drv