structuredAttrs is enabled
created 2 symlinks in user environment
+++++ ls -A /nix/store/0dn29rcjdxsrq72i2f4h6bj5wv11vj0h-plan_filter/lib/plan_filter-0.1.so /nix/store/0dn29rcjdxsrq72i2f4h6bj5wv11vj0h-plan_filter/lib/plan_filter.so
+++++ wc -l
++++ test 2 = 2