revert some

ci/test-dev-context-only-utils.sh

@@ -2,44 +2,30 @@
 
 set -eo pipefail
 
-check_dcou1() {
+check_dcou() {
   scripts/check-dev-context-only-utils.sh check-all-targets "$@"
-}
-
-check_dcou2() {
   scripts/check-dev-context-only-utils.sh check-bins-and-lib "$@"
 }
 
 shard=$1
 shift
 case "$shard" in
   1-of-4)
-    check_dcou1 --partition 1/1
-    #check_dcou1 --partition 1/9
-    #check_dcou1 --partition 2/9
-    #check_dcou1 --partition 3/9
-    #check_dcou1 --partition 4/9
-    #check_dcou1 --partition 5/9
-    #check_dcou2 --partition 1/9
-    #check_dcou2 --partition 2/9
-    #check_dcou2 --partition 3/9
-    #check_dcou2 --partition 4/9
-    #check_dcou2 --partition 5/9
+    check_dcou --partition 1/9
+    check_dcou --partition 2/9
+    check_dcou --partition 3/9
+    check_dcou --partition 4/9
+    check_dcou --partition 5/9
     ;;
   2-of-4)
-    check_dcou2 --partition 1/1
-    #check_dcou1 --partition 6/9
-    #check_dcou1 --partition 7/9
-    #check_dcou2 --partition 6/9
-    #check_dcou2 --partition 7/9
+    check_dcou --partition 6/9
+    check_dcou --partition 7/9
     ;;
   3-of-4)
-    #check_dcou1 --partition 8/9
-    #check_dcou2 --partition 8/9
+    check_dcou --partition 8/9
     ;;
   4-of-4)
-    #check_dcou1 --partition 9/9
-    #check_dcou2 --partition 9/9
+    check_dcou --partition 9/9
     ;;
   *)
     echo "$0: unrecognized shard: $shard";

scripts/check-dev-context-only-utils.sh

@@ -149,9 +149,7 @@ fi
 # dcou tends to newly trigger `unused_imports` and `dead_code` lints.
 # We could selectively deny (= `-D`) them here, however, deny all warnings for
 # consistency with other CI steps and for the possibility of new similar lints.
-# shellcheck disable=SC2155
-export RUSTFLAGS="-D warnings -Z threads=$(nproc) $RUSTFLAGS"
-unset RUST_WRAPPER
+export RUSTFLAGS="-D warnings -Z threads=8 $RUSTFLAGS"
 
 if [[ $mode = "check-bins-and-lib" || $mode = "full" ]]; then
   _ cargo "+${rust_nightly}" hack "$@" check