upgrade container & docker plugin versions

Also updated criterion version, so we can run critcmp.

Signed-off-by: Laura Loghin <lauralg@amazon.com>

Author: lauralt

.buildkite/bench_pipeline.yml

@@ -9,8 +9,8 @@ steps:
     agents:
       platform: x86_64.metal
     plugins:
-      - docker#v3.0.1:
-          image: "rustvmm/dev:v6"
+      - docker#v3.8.0:
+          image: "rustvmm/dev:v12"
           always-pull: true
           environment:
             - "PYTHONIOENCODING=utf-8"
@@ -24,8 +24,8 @@ steps:
     agents:
       platform: arm.metal
     plugins:
-      - docker#v3.0.1:
-          image: "rustvmm/dev:v6"
+      - docker#v3.8.0:
+          image: "rustvmm/dev:v12"
           always-pull: true
           environment:
             - "PYTHONIOENCODING=utf-8"

.buildkite/pipeline.yml

@@ -9,8 +9,8 @@ steps:
     agents:
       platform: x86_64.metal
     plugins:
-      - docker#v3.0.1:
-          image: "rustvmm/dev:v6"
+      - docker#v3.8.0:
+          image: "rustvmm/dev:v12"
           always-pull: true
 
   - label: "build-musl-x86-bzimage"
@@ -21,6 +21,6 @@ steps:
     agents:
       platform: x86_64.metal
     plugins:
-      - docker#v3.0.1:
-          image: "rustvmm/dev:v6"
+      - docker#v3.8.0:
+          image: "rustvmm/dev:v12"
           always-pull: true

Cargo.toml

@@ -21,7 +21,7 @@ pe = []
 vm-memory = ">=0.6.0"
 
 [dev-dependencies]
-criterion = "=0.3.0"
+criterion = "0.3.5"
 vm-memory = { version = ">=0.6.0", features = ["backend-mmap"] }
 
 [[bench]]