diff --git a/.travis.yml b/.travis.yml
index 3a8c9ceb..71c771d2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,7 +33,7 @@ matrix:
     # build documentation
     - os: linux
       env: TARGET=x86_64-unknown-linux-gnu
-      rust: nightly
+      rust: nightly-2016-11-26
       script: sh ci/dox.sh
 
     # stable compat
@@ -87,7 +87,10 @@ matrix:
       rust: stable
     - os: linux
       env: TARGET=mips64-unknown-linux-gnuabi64
-      rust: nightly
+      rust: beta
+    - os: linux
+      env: TARGET=mips-unknown-linux-gnu
+      rust: beta
 
     # beta
     - os: linux
@@ -100,14 +103,10 @@ matrix:
     # nightly
     - os: linux
       env: TARGET=x86_64-unknown-linux-gnu
-      rust: nightly
+      rust: nightly-2016-11-26
     - os: osx
       env: TARGET=x86_64-apple-darwin
-      rust: nightly
-    - os: linux
-      env: TARGET=mips-unknown-linux-gnu
-      # not sure why this has to be nightly...
-      rust: nightly
+      rust: nightly-2016-11-26
 
     # QEMU based targets that compile in an emulator
     - os: linux
diff --git a/Cargo.lock b/Cargo.lock
index 5332bf28..53b07dcc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,7 +3,7 @@ name = "libc-test"
 version = "0.1.0"
 dependencies = [
  "ctest 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.17",
+ "libc 0.2.18",
 ]
 
 [[package]]
@@ -48,7 +48,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.17"
+version = "0.2.18"
 
 [[package]]
 name = "log"
diff --git a/Cargo.toml b/Cargo.toml
index c08ab3aa..7ac523e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "libc"
-version = "0.2.17"
+version = "0.2.18"
 authors = ["The Rust Project Developers"]
 license = "MIT/Apache-2.0"
 readme = "README.md"
diff --git a/ci/docker/mips-unknown-linux-musl/Dockerfile b/ci/docker/mips-unknown-linux-musl/Dockerfile
index 77c6adb4..cbc41c24 100644
--- a/ci/docker/mips-unknown-linux-musl/Dockerfile
+++ b/ci/docker/mips-unknown-linux-musl/Dockerfile
@@ -6,7 +6,10 @@ RUN apt-get install -y --no-install-recommends \
         bzip2
 
 RUN mkdir /toolchain
-RUN curl -L https://downloads.openwrt.org/snapshots/trunk/ar71xx/generic/OpenWrt-SDK-ar71xx-generic_gcc-5.3.0_musl-1.1.15.Linux-x86_64.tar.bz2 | \
+
+# Note that this originally came from:
+# https://downloads.openwrt.org/snapshots/trunk/ar71xx/generic/OpenWrt-SDK-ar71xx-generic_gcc-5.3.0_musl-1.1.15.Linux-x86_64.tar.bz2
+RUN curl -L https://s3.amazonaws.com/rust-lang-ci/libc/OpenWrt-SDK-ar71xx-generic_gcc-5.3.0_musl-1.1.15.Linux-x86_64.tar.bz2 | \
       tar xjf - -C /toolchain --strip-components=1
 
 ENV PATH=$PATH:/rust/bin:/toolchain/staging_dir/toolchain-mips_34kc_gcc-5.3.0_musl-1.1.15/bin \