diff --git a/.gitignore b/.gitignore
index c116aa2..3ef96cc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 dist
 node_modules
 *.received.*
+*.log
diff --git a/test/check-metadata.sh b/test/check-metadata.sh
index 6b4ddc2..dba8924 100755
--- a/test/check-metadata.sh
+++ b/test/check-metadata.sh
@@ -44,7 +44,7 @@ for file in "$SCRIPT_PATH"/"$profile"/valid*.ttl; do
 
   name=$(basename "$file")
   {
-    npx barnard59 cube check-metadata --profile "$profilePath" > /dev/null 2>&1
+    npx barnard59 cube check-metadata --profile "$profilePath" > /dev/null 2>"$file.log"
     success=$?
   } < "$file"
 
@@ -64,7 +64,7 @@ for file in "$SCRIPT_PATH"/"$profile"/invalid*.ttl; do
   fi
 
   name=$(basename "$file")
-  report=$(npx barnard59 cube check-metadata --profile "$profilePath" < "$file" 2> /dev/null | "$SCRIPT_PATH"/pretty-print.mjs)
+  report=$(npx barnard59 cube check-metadata --profile "$profilePath" < "$file" 2> "$file.log" | "$SCRIPT_PATH"/pretty-print.mjs)
 
   if ! echo "$report" | approvals "$name" --outdir "$SCRIPT_PATH"/"$profile" "$approvalsFlags" > /dev/null 2>&1 ; then
     "$SCRIPT_PATH"/report-failure.sh "$file" "$(cat "$profilePath")" "$(cat "$file")" "check results"
diff --git a/test/check-observations.sh b/test/check-observations.sh
index f403f05..40fc21e 100755
--- a/test/check-observations.sh
+++ b/test/check-observations.sh
@@ -31,7 +31,7 @@ for file in "$SCRIPT_PATH"/observations/*.ttl; do
     fi
 
     name=$(basename "$file")
-    report=$(npx barnard59 cube check-observations --constraint "$file" < "$file" 2> /dev/null | "$SCRIPT_PATH"/pretty-print.mjs)
+    report=$(npx barnard59 cube check-observations --constraint "$file" < "$file" 2> "$file.log" | "$SCRIPT_PATH"/pretty-print.mjs)
 
     if ! echo "$report" | approvals "$name" --outdir "$SCRIPT_PATH"/observations "$approvalsFlags" > /dev/null 2>&1 ; then
       "$SCRIPT_PATH"/report-failure.sh "$file" "$(cat "$file")" "$(cat "$file")" "check results"