diff --git a/Jenkinsfile b/Jenkinsfile
index aa3076d..751e44f 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -9,132 +9,132 @@ pipeline {
     stages {
 
         stage('Chibi primitives') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=chibi' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=chibi' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=chibi TESTNAME=primitives' } }
         }
         stage('Chibi addressof') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=chibi' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=chibi' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=chibi TESTNAME=addressof' } }
         }
         stage('Chibi callback') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=chibi' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=chibi' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=chibi TESTNAME=callback' } }
         }
 
         stage('Chicken primitives') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=chicken' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=chicken' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=chicken TESTNAME=primitives' } }
         }
         stage('Chicken addressof') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=chicken' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=chicken' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=chicken TESTNAME=addressof' } }
         }
         stage('Chicken callback') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=chicken' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=chicken' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=chicken TESTNAME=callback' } }
         }
 
         stage('Gauche primitives') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=gauche' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=gauche' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=gauche TESTNAME=primitives' } }
         }
         stage('Gauche addressof') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=gauche' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=gauche' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=gauche TESTNAME=addressof' } }
         }
         stage('Gauche callback') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=gauche' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=gauche' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=gauche TESTNAME=callback' } }
         }
 
         stage('Guile primitives') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=guile' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=guile' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=guile TESTNAME=primitives' } }
         }
         stage('Guile addressof') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=guile' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=guile' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=guile TESTNAME=addressof' } }
         }
         stage('Guile callback') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=guile' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=guile' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=guile TESTNAME=callback' } }
         }
 
         stage('Kawa primitives') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=kawa' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=kawa' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=kawa TESTNAME=primitives' } }
         }
         stage('Kawa addressof') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=kawa' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=kawa' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=kawa TESTNAME=addressof' } }
         }
         stage('Kawa callback') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=kawa' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=kawa' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=kawa TESTNAME=callback' } }
         }
 
         stage('Mosh primitives') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=mosh' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=mosh' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=mosh TESTNAME=primitives' } }
         }
         stage('Mosh addressof') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=mosh' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=mosh' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=mosh TESTNAME=addressof' } }
         }
         stage('Mosh callback') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=mosh' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=mosh' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=mosh TESTNAME=callback' } }
         }
 
         stage('Racket primitives') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=racket' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=racket' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=racket TESTNAME=primitives' } }
         }
         stage('Racket addressof') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=racket' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=racket' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=racket TESTNAME=addressof' } }
         }
         stage('Racket callback') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=racket' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=racket' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=racket TESTNAME=callback' } }
         }
 
         stage('Sagittarius primitives') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=sagittarius' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=sagittarius' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=sagittarius TESTNAME=primitives' } }
         }
         stage('Sagittarius addressof') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=sagittarius' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=sagittarius' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=sagittarius TESTNAME=addressof' } }
         }
         stage('Sagittarius callback') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=sagittarius' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=sagittarius' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=sagittarius TESTNAME=callback' } }
         }
 
         stage('STklos primitives') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=stklos' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=stklos' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=stklos TESTNAME=primitives' } }
         }
         stage('STklos addressof') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=stklos' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=stklos' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=stklos TESTNAME=addressof' } }
         }
         stage('STklos callback') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=stklos' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=stklos' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=stklos TESTNAME=callback' } }
         }
 
         stage('Ypsilon primitives') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=ypsilon' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=ypsilon' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=ypsilon TESTNAME=primitives' } }
         }
         stage('Ypsilon addressof') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=ypsilon' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=ypsilon' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=ypsilon TESTNAME=addressof' } }
         }
         stage('Ypsilon callback') {
-            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--build-arg COMPILE_R7RS=ypsilon' } }
+            agent { dockerfile { filename 'Dockerfile.test'; additionalBuildArgs '--user=root --build-arg COMPILE_R7RS=ypsilon' } }
             steps { catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') { sh 'make test-compile-r7rs COMPILE_R7RS=ypsilon TESTNAME=callback' } }
         }
 
diff --git a/Makefile b/Makefile
index 8166af0..6fee509 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ test-compile-r7rs: tmp/test/libtest.o tmp/test/libtest.so tmp/test/libtest.a
 
 test-compile-r7rs-docker:
 	docker build --build-arg COMPILE_R7RS=${COMPILE_R7RS} --tag=r7rs-pffi-test-${COMPILE_R7RS} -f Dockerfile.test .
-	docker run -v "${PWD}":/workdir -w /workdir -t r7rs-pffi-test-${COMPILE_R7RS} sh -c "make COMPILE_R7RS=${COMPILE_R7RS} test-compile-r7rs"
+	docker run -v "${PWD}":/workdir -w /workdir -t r7rs-pffi-test-${COMPILE_R7RS} sh -c "make COMPILE_R7RS=${COMPILE_R7RS} TESTNAME=${TESTNAME} test-compile-r7rs"
 
 tmp/test/libtest.o: tests/c-src/libtest.c
 	mkdir -p tmp/test