Merge pull request #1669 from JohnTitor/focal

Update Ubuntu images to 19.10

ci/azure.yml

@@ -12,7 +12,7 @@ pr: ["master"]
 jobs:
   - job: DockerLinuxTier1
     pool:
-      vmImage: ubuntu-16.04
+      vmImage: ubuntu-18.04
     steps:
       - template: azure-install-rust.yml
       - bash: LIBC_CI=1 sh ./ci/run-docker.sh $TARGET
@@ -27,7 +27,7 @@ jobs:
   - job: DockerLinuxTier2
     #dependsOn: DockerLinuxTier1
     pool:
-      vmImage: ubuntu-16.04
+      vmImage: ubuntu-18.04
     steps:
       - template: azure-install-rust.yml
       - bash: LIBC_CI=1 sh ./ci/run-docker.sh $TARGET

ci/docker/aarch64-linux-android/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN dpkg --add-architecture i386 && \
     apt-get update && \

ci/docker/aarch64-unknown-linux-gnu/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc libc6-dev ca-certificates \
   gcc-aarch64-linux-gnu libc6-dev-arm64-cross qemu-user

ci/docker/aarch64-unknown-linux-musl/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates \

ci/docker/arm-linux-androideabi/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN dpkg --add-architecture i386 && \
     apt-get update && \

ci/docker/arm-unknown-linux-gnueabihf/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc libc6-dev ca-certificates \
   gcc-arm-linux-gnueabihf libc6-dev-armhf-cross qemu-user

ci/docker/arm-unknown-linux-musleabihf/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates \

ci/docker/asmjs-unknown-emscripten/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \

ci/docker/i686-linux-android/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN dpkg --add-architecture i386 && \
     apt-get update && \

ci/docker/i686-unknown-linux-gnu/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \
   gcc-multilib libc6-dev ca-certificates

ci/docker/i686-unknown-linux-musl/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN dpkg --add-architecture i386
 RUN apt-get update

ci/docker/mips-unknown-linux-gnu/Dockerfile

+# FIXME: Ubuntu 19.10 is missing gcc-mips-linux-gnu.
 FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \

ci/docker/mips-unknown-linux-musl/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates qemu-system-mips curl \

ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \

ci/docker/mips64-unknown-linux-muslabi64/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates \

ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile

+# FIXME: Ubuntu 19.10 is missing gcc-mips-linux-gnu.
 FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \

ci/docker/mips64el-unknown-linux-muslabi64/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates \

ci/docker/mipsel-unknown-linux-musl/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates qemu-system-mipsel curl \

ci/docker/powerpc-unknown-linux-gnu/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \

ci/docker/powerpc64-unknown-linux-gnu/Dockerfile

-FROM ubuntu:19.04
+FROM ubuntu:19.10
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \