print debug messages during test run

Author: stlankes

.gitlab-ci.yml

@@ -75,7 +75,7 @@ test:uhyve:
    script:
      - lscpu
      - kvm-ok
-     - uhyve -v -c 1 rusty-hermit/target/x86_64-unknown-hermit/debug/rusty_demo
+     - RUST_LOG=debug uhyve -v -c 1 rusty-hermit/target/x86_64-unknown-hermit/debug/rusty_demo
      - uhyve -v -c 2 rusty-hermit/target/x86_64-unknown-hermit/debug/rusty_demo
      - uhyve -v -c 1 rusty-hermit/target/x86_64-unknown-hermit/release/rusty_demo
      - uhyve -v -c 2 rusty-hermit/target/x86_64-unknown-hermit/release/rusty_demo