WIP: debug compilation of Cargo

Author: Kobzol

.github/workflows/ci.yml

@@ -115,7 +115,7 @@ jobs:
         # We want the four parts to have similar runtimes.
         BENCH_INCLUDE_EXCLUDE_OPTS: [
           "--include cargo-0.60.0,cargo-0.87.1,stm32f4-0.14.0,webrender-2022",
-          "--exclude cargo-0.60.0,cargo-0.87.1,stm32f4-0.14.0,webrender-2022",
+          #"--exclude cargo-0.60.0,cargo-0.87.1,stm32f4-0.14.0,webrender-2022",
         ]
         PROFILES: [
           "Check,Debug,Doc",
@@ -151,6 +151,18 @@ jobs:
       - name: Build collector
         run: cargo build -p collector
 
+      - name: Compile cargo
+        env:
+          JEMALLOC_OVERRIDE: /usr/lib/x86_64-linux-gnu/libjemalloc.so
+        run: |
+          RUST_BACKTRACE=1 RUST_LOG=raw_cargo_messages=trace,collector=debug,rust_sysroot=debug \
+            bindir=`cargo run -p collector --bin collector install_next --backends Llvm`
+          bindir=`realpath $bindir`
+          ls -lha ${bindir}
+          cd collector/compile-benchmarks/cargo-0.87.1
+          echo "compiling Cargo"
+          RUSTC=$bindir/rustc RUSTDOC=$bindir/rustdoc $bindir/cargo build --release
+
       - name: Check compile benchmarks
         run: sh -x -c "ci/check-compile-benchmarks.sh"
         env: