Make go-acc run verbose on stderr

default.run.do

@@ -2,7 +2,7 @@ case $2 in
 */tests)
   redo-ifchange mod.dep tool/go-acc
   mkdir -p "$1.tmp" >&2
-  tool/go-acc --output="$1.tmp/coverage.txt" ./... -- -v > "$1.tmp/tests.txt"
+  tool/go-acc --output="$1.tmp/coverage.txt" ./... -- -v | tee "$1.tmp/tests.txt" >&2
   touch "$3"
 ;;
 esac
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