fix(rust): clean up +EXECUTE

earthly/rust/Earthfile

@@ -190,15 +190,11 @@ EXECUTE:
     # We then check the existence of the "fail" file after any artifacts are saved that
     # should be saved regardless.
     RUN --mount=$EARTHLY_RUST_CARGO_HOME_CACHE --mount=$EARTHLY_RUST_TARGET_CACHE \
-        env | grep EARTHLY; \
         set +e; \
         rm -f fail; \
-        $cmd $args1 $args2 $args3 $args4 $args5 $args6 ; \
-        if [ $? -ne 0 ]; then \
-            touch fail; \
-        fi \
+        $cmd $args1 $args2 $args3 $args4 $args5 $args6 || touch fail; \
         cargo sweep -r -t $EARTHLY_SWEEP_DAYS; \
-        cargo sweep -r -i; \
+        cargo sweep -r -i
 
 
     # We always want to save these (if requested) even if the command fails.
@@ -243,6 +239,8 @@ CARGO:
     ARG --required args
     ARG output
     ARG ALLOW_DEBUG_TARGET="false"
+    ARG junit
+    ARG coverage
     ARG docs="false"
 
     DO +EXECUTE \