a248df69

By: Greg Pfeil <greg@technomadic.org>

Allow IFD in Nix CI

There was a bug in Nix CI that caused it to ignore its
`allow-import-from-derivation` setting, and a bug here that set it to false when
it needed to be true.

Both are now fixed.

Suite timing

Time to Start Worker time Duration Time to finish Idle
Config 19s 3s 3s 22s 19s
Eval 23s 2m18s 2m18s 2m42s 1s
Build 2m34s 13m08s 2m35s 5m10s 0s
Suite 19s 15m30s 4m50s 5m10s 20s

Timeline

0s20s40s1m1m20s1m40s2m2m20s2m40s3m3m20s3m40s4m4m20s4m40s5m