Run emscripten builder as current user

scripts/build_emscripten.sh

@@ -35,6 +35,8 @@ else
 fi
 
 # solbuildpackpusher/solidity-buildpack-deps:emscripten-13
-docker run -v "$(pwd):/root/project" -w /root/project \
+docker run -v "$(pwd):/home/emscripten/project" \
+    -w /home/emscripten/project \
+    --user "$(id -u):$(id -g)" \
     solbuildpackpusher/solidity-buildpack-deps@sha256:f1c13f3450d1f2e53ea18ac1ac1a17e932573cb9a5ccd0fd9ef6dd44f6402fa9 \
-    ./scripts/ci/build_emscripten.sh "$BUILD_DIR"
+    ./scripts/ci/build_emscripten.sh "$BUILD_DIR"

scripts/ci/build_emscripten.sh

@@ -40,10 +40,7 @@ else
 	BUILD_DIR="$1"
 fi
 
-apt-get update
-apt-get install lz4 --no-install-recommends
-
-WORKSPACE=/root/project
+WORKSPACE=/home/emscripten/project
 
 cd $WORKSPACE