[CI] run-make/thumb: Add LD_LIBRARY_PATH experiment, etc.

Author: sekineh

src/test/run-make/thumb-none-cortex-m/Makefile

@@ -6,14 +6,15 @@ ifeq ($(TARGET),thumbv7m-none-eabi)
 #TMP_DIR := $(shell mktemp -d)
 TMP_DIR := /tmp/safe_place
 CRATE := cortex-m
+LD_LIBRARY_PATH=/home/sekineh/rustme9/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/thumbv7m-none-eabi/lib
 
 all:
 	env > env.txt
 	mkdir -p $(TMP_DIR)
 	-cd $(TMP_DIR) && rm -rf $(CRATE)
 	cd $(TMP_DIR) && $(CARGO) clone $(CRATE) --vers 0.5.0
 	pwd
-	cd $(TMP_DIR) && cd $(CRATE) && $(CARGO) build --target $(TARGET) -vv 2>&1 | tee cargo-fail-vv-9.2.log
+	cd $(TMP_DIR) && cd $(CRATE) && env RUST_LOG=debug $(CARGO) build -j 1 --target $(TARGET) -vv 2>&1 | tee cargo-fail-vv-9.2.log
 else
 
 all: