add backtrace env variable

run_tests.sh

@@ -9,6 +9,7 @@ timestamp="$(date '+%Y-%m-%d_%H-%M-%S')"
 directory_path="target/coverage/${timestamp}"
 
 # build
+export RUST_BACKTRACE=full
 export LLVM_PROFILE_FILE="${directory_path}/%p-%m.profraw"
 export RUSTFLAGS="-Cinstrument-coverage"
 cargo build --workspace
@@ -20,7 +21,7 @@ cargo test --workspace
 find . -path "*/${timestamp}/*" -name '*.profraw' -exec mv {} "./${directory_path}" \;
 
 # generate report
-grcov "target/coverage/${timestamp}" --binary-path target/debug -s . -o "${directory_path}" --ignore "target/debug/*" --ignore "integrtion-tests/*" --output-types html
+grcov "${directory_path}" --binary-path target/debug -s . -o "${directory_path}" --ignore "target/debug/*" --ignore "integrtion-tests/*" --output-types html
 
 # open report
 open "./${directory_path}/html/index.html"