On freebsd-amd64, tor master https://jenkins.torproject.org/view/Failed+Unstable/job/tor-ci-freebsd-amd64-master/4/consoleFull ``` 12:40:13 --- src/or/connection_edge.o --- 12:40:13 ../tor/src/or/connection_edge.c:1601:7: error: unused variable 'rv' [-Werror,-Wunused-variable] 12:40:13 int rv; 12:40:13 ^ 12:40:13 1 error generated. 12:40:13 *** [src/or/connection_edge.o] Error code 1 ```