remove compiler warnings

3 jobs for v0.3.16 in 1 minute and 42 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Prepare
passed #663831
linux shell
docker

00:00:03

 
  Build
passed #663832
docker
build

00:01:13

 
  Test
passed #663833
docker
test:cargo

00:00:26