diff --git a/common/web/keyboard-processor/build.sh b/common/web/keyboard-processor/build.sh
index 527b1e1407..fa62d86402 100755
--- a/common/web/keyboard-processor/build.sh
+++ b/common/web/keyboard-processor/build.sh
@@ -15,15 +15,6 @@ THIS_SCRIPT="$(greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null || readlink -f "${BA
 # This script runs from its own folder
 cd "$THIS_SCRIPT_PATH"
 
-action=
-function action_failure() {
-  if [ -n "$action" ]; then
-    builder_report failure $action
-  fi
-}
-
-trap action_failure err
-
 ################################ Main script ################################
 
 # Ensures color var use in `builder_describe`'s argument respects the specified
@@ -52,7 +43,6 @@ fi
 # END - Script parameter configuration
 
 if builder_has_action configure; then
-  action=configure
   verify_npm_setup
 
   "$KEYMAN_ROOT/common/web/keyman-version/build.sh"
@@ -61,22 +51,16 @@ if builder_has_action configure; then
 fi
 
 if builder_has_action clean; then
-  action=clean
   npm run clean
-
   builder_report success clean
 fi
 
 if builder_has_action build; then
-  action=build
   npm run tsc -- --build "$THIS_SCRIPT_PATH/src/tsconfig.json"
-
   builder_report success build
 fi
 
 if builder_has_action test; then
-  action=test
-
   # Build test dependency
   pushd "$KEYMAN_ROOT/common/web/recorder"
   ./build.sh
diff --git a/common/web/recorder/build.sh b/common/web/recorder/build.sh
index b74f5d2697..1b200dcb34 100755
--- a/common/web/recorder/build.sh
+++ b/common/web/recorder/build.sh
@@ -14,16 +14,6 @@ THIS_SCRIPT="$(greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null || readlink -f "${BA
 
 . "$KEYMAN_ROOT/resources/shellHelperFunctions.sh"
 
-action=
-target=
-function action_failure() {
-  if [ -n "$action" ]; then
-    builder_report failure $action $target
-  fi
-}
-
-trap action_failure err
-
 ################################ Main script ################################
 
 
@@ -57,9 +47,6 @@ if builder_has_action configure :proctor; then
 fi
 
 if [ $CONFIGURE==true ]; then
-  action=configure
-  target=:project
-
   verify_npm_setup
 
   "$KEYMAN_ROOT/common/web/keyman-version/build.sh"
@@ -69,33 +56,21 @@ if [ $CONFIGURE==true ]; then
 fi
 
 if builder_has_action clean :module; then
-  action=clean
-  target=:module
   npm run tsc -- -b --clean "src/tsconfig.json"
-
   builder_report success clean :module
 fi
 
 if builder_has_action clean :proctor; then
-  action=clean
-  target=:module
   npm run tsc -- -b --clean "$THIS_SCRIPT_PATH/src/nodeProctor.tsconfig.json"
-
   builder_report success clean :proctor
 fi
 
 if builder_has_action build :module; then
-  action=build
-  target=:module
   npm run tsc -- --build "$THIS_SCRIPT_PATH/src/tsconfig.json"
-
   builder_report success build :module
 fi
 
 if builder_has_action build :proctor; then
-  action=build
-  target=:proctor
   npm run tsc -- --build "$THIS_SCRIPT_PATH/src/nodeProctor.tsconfig.json"
-
   builder_report success build :proctor
 fi
\ No newline at end of file
diff --git a/common/web/utils/build.sh b/common/web/utils/build.sh
index b750ed931c..1418ce09d8 100755
--- a/common/web/utils/build.sh
+++ b/common/web/utils/build.sh
@@ -11,15 +11,6 @@ THIS_SCRIPT="$(greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null || readlink -f "${BA
 
 . "$KEYMAN_ROOT/resources/shellHelperFunctions.sh"
 
-action=
-function action_failure() {
-  if [ -n "$action" ]; then
-    builder_report failure $action
-  fi
-}
-
-trap action_failure err
-
 ################################ Main script ################################
 
 builder_describe \
@@ -29,24 +20,19 @@ builder_describe \
 builder_parse "$@"
 
 if builder_has_action configure; then
-  action=configure
   verify_npm_setup
 
-  "$THIS_SCRIPT_PATH/build.sh"
+  "$KEYMAN_ROOT/common/web/keyman-version/build.sh"
 
   builder_report success configure
 fi
 
 if builder_has_action clean; then
-  action=clean
   npm run clean
-
   builder_report success clean
 fi
 
 if builder_has_action build; then
-  action=build
   npm run tsc -- --build "$THIS_SCRIPT_PATH/tsconfig.json"
-
   builder_report success build
 fi
\ No newline at end of file
diff --git a/resources/build/build-utils.sh b/resources/build/build-utils.sh
index d6b481cd80..84ba86a14b 100755
--- a/resources/build/build-utils.sh
+++ b/resources/build/build-utils.sh
@@ -348,6 +348,22 @@ _builder_item_is_target() {
   return 0
 }
 
+function _builder_failure_trap() {
+  local action target
+
+  # Iterate across currently-active actions and report their failures.
+  for action in "${_builder_current_actions[@]}"; do
+    if [[ $action =~ : ]]; then
+      IFS=: read -r action target <<< $action
+      target=:$target
+    else
+      target=:project
+    fi
+
+    builder_report failure $action $target
+  done
+}
+
 #
 # Returns 0 if the user has asked to perform action on target on the command line
 #
@@ -687,6 +703,10 @@ builder_parse() {
       echo "* $e"
     done
   fi
+
+  # Now that we've successfully parsed options adhering to the _builder spec, we may activate the
+  # action_failure trap.  (We don't want it active on scripts not yet using said script.)
+  trap _builder_failure_trap err
 }
 
 _builder_pad() {