diff --git a/test_crates/catch_std_exception/check.sh b/test_crates/catch_std_exception/check.sh
index 455444b..9268c8a 100755
--- a/test_crates/catch_std_exception/check.sh
+++ b/test_crates/catch_std_exception/check.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -o pipefail
 trap "rm -f run.log" EXIT
-cargo run --release $BUILD_STD 2>&1 | tee run.log
+${CARGO:-cargo} run --release $BUILD_STD 2>&1 | tee run.log
 if [ $? -ne 134 ]; then
     echo process is not aborted
     exit 1
diff --git a/test_crates/std_catch_exception/check.sh b/test_crates/std_catch_exception/check.sh
index 408153a..e6f54a9 100755
--- a/test_crates/std_catch_exception/check.sh
+++ b/test_crates/std_catch_exception/check.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -o pipefail
 trap "rm -f run.log" EXIT
-cargo run --release $BUILD_STD 2>&1 | tee run.log
+${CARGO:-cargo} run --release $BUILD_STD 2>&1 | tee run.log
 if [ $? -ne 134 ]; then
     echo process is not aborted
     exit 1
diff --git a/test_crates/throw_and_catch/check.sh b/test_crates/throw_and_catch/check.sh
index 17e13fa..252e9d9 100755
--- a/test_crates/throw_and_catch/check.sh
+++ b/test_crates/throw_and_catch/check.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -o pipefail
 trap "rm -f run.log" EXIT
-cargo run --release $BUILD_STD 2>&1 | tee run.log
+${CARGO:-cargo} run --release $BUILD_STD 2>&1 | tee run.log
 if [ $? -ne 134 ]; then
     echo process is not aborted
     exit 1