Merge pull request #81 from japaric/cache

cache Cargo artifacts

Author: Jorge Aparicio

.travis.yml

@@ -1,3 +1,4 @@
+cache: cargo
 dist: trusty
 language: rust
 services: docker
@@ -45,13 +46,13 @@ install:
 script:
   - cargo generate-lockfile
   - if [[ $TRAVIS_OS_NAME = "linux" ]]; then
-      sudo apt-get remove -y qemu-user-static &&
-      sudo apt-get install -y qemu-user-static &&
       sh ci/run-docker.sh $TARGET;
     else
       cargo test --target $TARGET &&
       cargo test --target $TARGET --release;
     fi
+  # Travis can't cache files that are not readable by "others"
+  - chmod -R a+r $HOME/.cargo
 
 branches:
   only:

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

@@ -5,6 +5,5 @@ RUN apt-get install -y --no-install-recommends \
   gcc-aarch64-linux-gnu libc6-dev-arm64-cross \
   qemu-user-static
 ENV CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc \
-    PATH=$PATH:/rust/bin \
     QEMU_LD_PREFIX=/usr/aarch64-linux-gnu \
     RUST_TEST_THREADS=1

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

@@ -4,7 +4,6 @@ RUN apt-get install -y --no-install-recommends \
   gcc libc6-dev ca-certificates \
   gcc-arm-linux-gnueabi libc6-dev-armel-cross qemu-user-static
 ENV CARGO_TARGET_ARM_UNKNOWN_LINUX_GNUEABI_LINKER=arm-linux-gnueabi-gcc \
-    PATH=$PATH:/rust/bin \
     QEMU_LD_PREFIX=/usr/arm-linux-gnueabi \
     RUST_TEST_THREADS=1
 

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

@@ -4,6 +4,5 @@ RUN apt-get install -y --no-install-recommends \
   gcc libc6-dev ca-certificates \
   gcc-arm-linux-gnueabihf libc6-dev-armhf-cross qemu-user-static
 ENV CARGO_TARGET_ARM_UNKNOWN_LINUX_GNUEABIHF_LINKER=arm-linux-gnueabihf-gcc \
-    PATH=$PATH:/rust/bin \
     QEMU_LD_PREFIX=/usr/arm-linux-gnueabihf \
     RUST_TEST_THREADS=1

ci/docker/armv7-unknown-linux-gnueabihf/Dockerfile

@@ -4,6 +4,5 @@ RUN apt-get install -y --no-install-recommends \
   gcc libc6-dev ca-certificates \
   gcc-arm-linux-gnueabihf libc6-dev-armhf-cross qemu-user-static
 ENV CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_LINKER=arm-linux-gnueabihf-gcc \
-    PATH=$PATH:/rust/bin \
     QEMU_LD_PREFIX=/usr/arm-linux-gnueabihf \
     RUST_TEST_THREADS=1

ci/docker/i586-unknown-linux-gnu/Dockerfile

@@ -2,4 +2,3 @@ FROM ubuntu:16.04
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \
   gcc-multilib libc6-dev ca-certificates
-ENV PATH=$PATH:/rust/bin

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

@@ -2,4 +2,3 @@ FROM ubuntu:16.04
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \
   gcc-multilib libc6-dev ca-certificates
-ENV PATH=$PATH:/rust/bin

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

@@ -7,6 +7,5 @@ RUN apt-get install -y --no-install-recommends \
         binfmt-support qemu-user-static qemu-system-mips
 
 ENV CARGO_TARGET_MIPS_UNKNOWN_LINUX_GNU_LINKER=mips-linux-gnu-gcc \
-    PATH=$PATH:/rust/bin \
     QEMU_LD_PREFIX=/usr/mips-linux-gnu \
     RUST_TEST_THREADS=1

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

@@ -7,6 +7,5 @@ RUN apt-get install -y --no-install-recommends \
         binfmt-support qemu-user-static
 
 ENV CARGO_TARGET_MIPSEL_UNKNOWN_LINUX_GNU_LINKER=mipsel-linux-gnu-gcc \
-    PATH=$PATH:/rust/bin \
     QEMU_LD_PREFIX=/usr/mipsel-linux-gnu \
     RUST_TEST_THREADS=1

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

@@ -7,6 +7,5 @@ RUN apt-get install -y --no-install-recommends \
         qemu-system-ppc
 
 ENV CARGO_TARGET_POWERPC_UNKNOWN_LINUX_GNU_LINKER=powerpc-linux-gnu-gcc \
-    PATH=$PATH:/rust/bin \
     QEMU_LD_PREFIX=/usr/powerpc-linux-gnu \
     RUST_TEST_THREADS=1