ci: upload toolstates.json to rust-lang-ci2

Uploading the toolstate data for each commit will help our release
tooling understand which components are failing, to possibly skip
shipping broken tools to users.

Author: pietroalbini

src/ci/azure-pipelines/auto.yml

@@ -140,6 +140,7 @@ jobs:
         IMAGE: x86_64-gnu-aux
       x86_64-gnu-tools:
         IMAGE: x86_64-gnu-tools
+        DEPLOY_TOOLSTATES_JSON: toolstates-linux.json
       x86_64-gnu-debug:
         IMAGE: x86_64-gnu-debug
       x86_64-gnu-nopt:
@@ -264,6 +265,7 @@ jobs:
         MSYS_BITS: 64
         SCRIPT: src/ci/docker/x86_64-gnu-tools/checktools.sh x.py /tmp/toolstates.json windows
         RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --save-toolstates=/tmp/toolstates.json
+        DEPLOY_TOOLSTATES_JSON: toolstates-windows.json
 
       # 32/64-bit MinGW builds.
       #

src/ci/scripts/upload-artifacts.sh

@@ -23,6 +23,11 @@ fi
 # CPU usage statistics.
 cp cpu-usage.csv "${upload_dir}/cpu-${CI_JOB_NAME}.csv"
 
+# Toolstate data.
+if [[ ! -z "${DEPLOY_TOOLSTATES_JSON+x}" ]]; then
+    cp /tmp/toolstates.json "${upload_dir}/${DEPLOY_TOOLSTATES_JSON}"
+fi
+
 echo "Files that will be uploaded:"
 ls -lah "${upload_dir}"
 echo