Show cargo output in CI logs

Author: Mark-Simulacrum

ci/check-benchmarks.sh

@@ -5,7 +5,7 @@ set -x;
 bash -c "while true; do sleep 30; echo \$(date) - running ...; done" &
 PING_LOOP_PID=$!
 trap - ERR
-RUST_BACKTRACE=1 RUST_LOG=collector=debug,rust_sysroot=debug \
+RUST_BACKTRACE=1 RUST_LOG=collector_raw_cargo=trace,collector=debug,rust_sysroot=debug \
     cargo run -p collector --bin collector -- \
     bench_test $BENCH_TEST_OPTS
 code=$?