Auto merge of #38697 - alexcrichton:rollup, r=alexcrichton

Rollup of 25 pull requests

- Successful merges: #37149, #38491, #38517, #38559, #38587, #38609, #38611, #38622, #38628, #38630, #38631, #38632, #38635, #38647, #38649, #38655, #38659, #38660, #38662, #38665, #38671, #38674, #38676, #38693, #38695
- Failed merges: #38657, #38680

13 files changed, 29 insertions, 39 deletions

diff --git a/src/ci/docker/arm-android/Dockerfile b/src/ci/docker/arm-android/Dockerfile
index 8911b4ff0cb..a40e76839ec 100644
--- a/src/ci/docker/arm-android/Dockerfile
+++ b/src/ci/docker/arm-android/Dockerfile
@@ -11,7 +11,6 @@ RUN dpkg --add-architecture i386 && \
   python2.7 \
   git \
   cmake \
-  ccache \
   unzip \
   expect \
   openjdk-9-jre \
@@ -50,5 +49,3 @@ ENV RUST_CONFIGURE_ARGS \
       --i686-linux-android-ndk=/android/ndk-x86-9 \
       --aarch64-linux-android-ndk=/android/ndk-aarch64
 ENV XPY_CHECK test --target arm-linux-androideabi
-RUN mkdir /tmp/obj
-RUN chmod 777 /tmp/obj
diff --git a/src/ci/docker/cross/Dockerfile b/src/ci/docker/cross/Dockerfile
index 08b436313f6..c5aa323f50c 100644
--- a/src/ci/docker/cross/Dockerfile
+++ b/src/ci/docker/cross/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   python2.7 \
   git \
   cmake \
-  ccache \
   sudo \
   gcc-aarch64-linux-gnu libc6-dev-arm64-cross \
   gcc-arm-linux-gnueabi libc6-dev-armel-cross \
@@ -70,6 +69,3 @@ ENV AR_s390x_unknown_linux_gnu=s390x-linux-gnu-ar \
 
 # FIXME(rust-lang/rust#36150): powerpc unfortunately aborts right now
 ENV NO_LLVM_ASSERTIONS=1
-
-RUN mkdir /tmp/obj
-RUN chmod 777 /tmp/obj
diff --git a/src/ci/docker/i686-gnu-nopt/Dockerfile b/src/ci/docker/i686-gnu-nopt/Dockerfile
index 1da33c94c7b..1ffb24981c5 100644
--- a/src/ci/docker/i686-gnu-nopt/Dockerfile
+++ b/src/ci/docker/i686-gnu-nopt/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   python2.7 \
   git \
   cmake \
-  ccache \
   sudo \
   gdb \
   xz-utils
@@ -25,5 +24,3 @@ ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 
 ENV RUST_CONFIGURE_ARGS --build=i686-unknown-linux-gnu --disable-optimize-tests
 ENV RUST_CHECK_TARGET check
-RUN mkdir /tmp/obj
-RUN chmod 777 /tmp/obj
diff --git a/src/ci/docker/i686-gnu/Dockerfile b/src/ci/docker/i686-gnu/Dockerfile
index 9e5b0e0435e..e4310232d78 100644
--- a/src/ci/docker/i686-gnu/Dockerfile
+++ b/src/ci/docker/i686-gnu/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   python2.7 \
   git \
   cmake \
-  ccache \
   sudo \
   gdb \
   xz-utils
@@ -25,5 +24,3 @@ ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 
 ENV RUST_CONFIGURE_ARGS --build=i686-unknown-linux-gnu
 ENV RUST_CHECK_TARGET check
-RUN mkdir /tmp/obj
-RUN chmod 777 /tmp/obj
diff --git a/src/ci/docker/x86_64-freebsd/Dockerfile b/src/ci/docker/x86_64-freebsd/Dockerfile
index 75f3174e2c0..86efa74ba3b 100644
--- a/src/ci/docker/x86_64-freebsd/Dockerfile
+++ b/src/ci/docker/x86_64-freebsd/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   python2.7 \
   git \
   cmake \
-  ccache \
   sudo \
   bzip2 \
   xz-utils \
@@ -33,5 +32,3 @@ ENV \
 
 ENV RUST_CONFIGURE_ARGS --target=x86_64-unknown-freebsd
 ENV RUST_CHECK_TARGET ""
-RUN mkdir /tmp/obj
-RUN chmod 777 /tmp/obj
diff --git a/src/ci/docker/x86_64-gnu-cargotest/Dockerfile b/src/ci/docker/x86_64-gnu-aux/Dockerfile
index 2c3db87d9fb..0ec0bfd1897 100644
--- a/src/ci/docker/x86_64-gnu-cargotest/Dockerfile
+++ b/src/ci/docker/x86_64-gnu-aux/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   python2.7 \
   git \
   cmake \
-  ccache \
   libssl-dev \
   sudo \
   xz-utils \
@@ -25,7 +24,5 @@ RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-ini
 ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 
 ENV RUST_CONFIGURE_ARGS --build=x86_64-unknown-linux-gnu
-ENV RUST_CHECK_TARGET check-cargotest
+ENV RUST_CHECK_TARGET check-aux
 ENV NO_VENDOR 1
-RUN mkdir /tmp/obj
-RUN chmod 777 /tmp/obj
diff --git a/src/ci/docker/x86_64-gnu-debug/Dockerfile b/src/ci/docker/x86_64-gnu-debug/Dockerfile
index eec88442293..9ec8c6059ec 100644
--- a/src/ci/docker/x86_64-gnu-debug/Dockerfile
+++ b/src/ci/docker/x86_64-gnu-debug/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   python2.7 \
   git \
   cmake \
-  ccache \
   sudo \
   gdb \
   xz-utils
@@ -28,5 +27,3 @@ ENV RUST_CONFIGURE_ARGS \
       --enable-debug \
       --enable-optimize
 ENV RUST_CHECK_TARGET ""
-RUN mkdir /tmp/obj
-RUN chmod 777 /tmp/obj
diff --git a/src/ci/docker/x86_64-gnu-full-bootstrap/Dockerfile b/src/ci/docker/x86_64-gnu-full-bootstrap/Dockerfile
new file mode 100644
index 00000000000..7c079e45751
--- /dev/null
+++ b/src/ci/docker/x86_64-gnu-full-bootstrap/Dockerfile
@@ -0,0 +1,28 @@
+FROM ubuntu:16.04
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+  g++ \
+  make \
+  file \
+  curl \
+  ca-certificates \
+  python2.7 \
+  git \
+  cmake \
+  sudo \
+  gdb \
+  xz-utils
+
+ENV SCCACHE_DIGEST=7237e38e029342fa27b7ac25412cb9d52554008b12389727320bd533fd7f05b6a96d55485f305caf95e5c8f5f97c3313e10012ccad3e752aba2518f3522ba783
+RUN curl -L https://api.pub.build.mozilla.org/tooltool/sha512/$SCCACHE_DIGEST | \
+      tar xJf - -C /usr/local/bin --strip-components=1
+
+RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \
+    dpkg -i dumb-init_*.deb && \
+    rm dumb-init_*.deb
+ENTRYPOINT ["/usr/bin/dumb-init", "--"]
+
+ENV RUST_CONFIGURE_ARGS \
+      --build=x86_64-unknown-linux-gnu \
+      --enable-full-bootstrap
+ENV RUST_CHECK_TARGET ""
diff --git a/src/ci/docker/x86_64-gnu-llvm-3.7/Dockerfile b/src/ci/docker/x86_64-gnu-llvm-3.7/Dockerfile
index 4c9198d88eb..aabfc0cd1bd 100644
--- a/src/ci/docker/x86_64-gnu-llvm-3.7/Dockerfile
+++ b/src/ci/docker/x86_64-gnu-llvm-3.7/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   python2.7 \
   git \
   cmake \
-  ccache \
   sudo \
   gdb \
   llvm-3.7-tools \
@@ -30,5 +29,3 @@ ENV RUST_CONFIGURE_ARGS \
       --build=x86_64-unknown-linux-gnu \
       --llvm-root=/usr/lib/llvm-3.7
 ENV RUST_CHECK_TARGET check
-RUN mkdir /tmp/obj
-RUN chmod 777 /tmp/obj
diff --git a/src/ci/docker/x86_64-gnu-make/Dockerfile b/src/ci/docker/x86_64-gnu-make/Dockerfile
index 1c503aea13d..c6071d704f5 100644
--- a/src/ci/docker/x86_64-gnu-make/Dockerfile
+++ b/src/ci/docker/x86_64-gnu-make/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   python2.7 \
   git \
   cmake \
-  ccache \
   sudo \
   gdb \
   xz-utils
@@ -25,5 +24,3 @@ ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 
 ENV RUST_CONFIGURE_ARGS --build=x86_64-unknown-linux-gnu --disable-rustbuild
 ENV RUST_CHECK_TARGET check
-RUN mkdir /tmp/obj
-RUN chmod 777 /tmp/obj
diff --git a/src/ci/docker/x86_64-gnu-nopt/Dockerfile b/src/ci/docker/x86_64-gnu-nopt/Dockerfile
index 66de6ea13ac..d28dc3de1b4 100644
--- a/src/ci/docker/x86_64-gnu-nopt/Dockerfile
+++ b/src/ci/docker/x86_64-gnu-nopt/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   python2.7 \
   git \
   cmake \
-  ccache \
   sudo \
   gdb \
   xz-utils
@@ -25,5 +24,3 @@ ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 
 ENV RUST_CONFIGURE_ARGS --build=x86_64-unknown-linux-gnu --disable-optimize-tests
 ENV RUST_CHECK_TARGET check
-RUN mkdir /tmp/obj
-RUN chmod 777 /tmp/obj
diff --git a/src/ci/docker/x86_64-gnu/Dockerfile b/src/ci/docker/x86_64-gnu/Dockerfile
index 3d71b7ffb9a..9d8b75c80c7 100644
--- a/src/ci/docker/x86_64-gnu/Dockerfile
+++ b/src/ci/docker/x86_64-gnu/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   python2.7 \
   git \
   cmake \
-  ccache \
   sudo \
   gdb \
   xz-utils
@@ -25,5 +24,3 @@ ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 
 ENV RUST_CONFIGURE_ARGS --build=x86_64-unknown-linux-gnu
 ENV RUST_CHECK_TARGET check
-RUN mkdir /tmp/obj
-RUN chmod 777 /tmp/obj
diff --git a/src/ci/docker/x86_64-musl/Dockerfile b/src/ci/docker/x86_64-musl/Dockerfile
index 96b38067cbb..49954157ec0 100644
--- a/src/ci/docker/x86_64-musl/Dockerfile
+++ b/src/ci/docker/x86_64-musl/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   python2.7 \
   git \
   cmake \
-  ccache \
   xz-utils \
   sudo \
   gdb
@@ -33,6 +32,3 @@ ENV RUST_CONFIGURE_ARGS \
 ENV RUST_CHECK_TARGET check-stage2-T-x86_64-unknown-linux-musl-H-x86_64-unknown-linux-gnu
 ENV PATH=$PATH:/musl-x86_64/bin
 ENV XPY_CHECK test --target x86_64-unknown-linux-musl
-
-RUN mkdir /tmp/obj
-RUN chmod 777 /tmp/obj