[DO NOT MERGE] Disable fail-fast for easy debugging

 - Make tests single-threaded

Author: sayantn

.github/workflows/main.yml

@@ -40,6 +40,7 @@ jobs:
     name: Test
     runs-on: ${{ matrix.target.os }}
     strategy:
+      fail-fast: false
       matrix:
         profile:
         - dev

ci/run.sh

@@ -8,7 +8,7 @@ set -ex
 # having only one thread increases debuggability to be worth it.
 #export RUST_BACKTRACE=full
 #export RUST_TEST_NOCAPTURE=1
-#export RUST_TEST_THREADS=1
+export RUST_TEST_THREADS=1
 
 export RUSTFLAGS="${RUSTFLAGS} -D warnings -Z merge-functions=disabled "
 export HOST_RUSTFLAGS="${RUSTFLAGS}"