Add try builders

Author: tmandry

.github/workflows/ci.yml

@@ -586,6 +586,12 @@ jobs:
             env:
               CODEGEN_BACKENDS: "llvm,cranelift"
             os: ubuntu-20.04-16core-64gb
+          - name: x86_64-gnu-integration
+            os: ubuntu-20.04-16core-64gb
+            env: {}
+          - name: dist-various-2
+            os: ubuntu-20.04-8core-32gb
+            env: {}
     timeout-minutes: 600
     runs-on: "${{ matrix.os }}"
     steps:

src/ci/github-actions/ci.yml

@@ -737,6 +737,10 @@ jobs:
             env:
               CODEGEN_BACKENDS: llvm,cranelift
             <<: *job-linux-16c
+          - name: x86_64-gnu-integration
+            <<: *job-linux-16c
+          - name: dist-various-2
+            <<: *job-linux-8c
 
 
   master: