build: Bump MSRV to 1.77.0

The ability to control the rustc flags (required for adding new
attributes to the allowed list of #[cfg(..)]) requires bumping the MSRV
to 1.77.0

Signed-off-by: Rob Bradford <rbradford@rivosinc.com>

.github/workflows/build.yaml

@@ -15,7 +15,7 @@ jobs:
           - stable
           - beta
           - nightly
-          - "1.74.1"
+          - "1.77.0"
         target:
           - x86_64-unknown-linux-gnu
           - x86_64-unknown-linux-musl

.github/workflows/docker-image.yaml

@@ -41,7 +41,7 @@ jobs:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           # generate Docker tags based on the following events/attributes
           tags: |
-            type=raw,value=20240407-0
+            type=raw,value=20240507-0
             type=sha
 
       - name: Build and push

Cargo.toml

@@ -15,7 +15,7 @@ homepage = "https://github.com/cloud-hypervisor/cloud-hypervisor"
 # a.) A dependency requires it,
 # b.) If we want to use a new feature and that MSRV is at least 6 months old,
 # c.) There is a security issue that is addressed by the toolchain update.
-rust-version = "1.74.1"
+rust-version = "1.77.0"
 
 [profile.release]
 lto = true

resources/Dockerfile

@@ -8,7 +8,7 @@
 FROM ubuntu:22.04 as dev
 
 ARG TARGETARCH
-ARG RUST_TOOLCHAIN="1.74.1"
+ARG RUST_TOOLCHAIN="1.77.0"
 ARG CLH_SRC_DIR="/cloud-hypervisor"
 ARG CLH_BUILD_DIR="$CLH_SRC_DIR/build"
 ARG CARGO_REGISTRY_DIR="$CLH_BUILD_DIR/cargo_registry"

scripts/dev_cli.sh

@@ -9,7 +9,7 @@ CLI_NAME="Cloud Hypervisor"
 CTR_IMAGE_TAG="ghcr.io/cloud-hypervisor/cloud-hypervisor"
 
 # Needs to match explicit version in docker-image.yaml workflow
-CTR_IMAGE_VERSION="20240407-0"
+CTR_IMAGE_VERSION="20240507-0"
 : "${CTR_IMAGE:=${CTR_IMAGE_TAG}:${CTR_IMAGE_VERSION}}"
 
 DOCKER_RUNTIME="docker"