Pin nightly rust for more controlled updating

2018-08-20 09:59:26 -07:00
parent ecddff98f5
commit a1ec549630
3 changed files with 27 additions and 5 deletions
--- a/ci/docker-rust-nightly/Dockerfile
+++ b/ci/docker-rust-nightly/Dockerfile
@ -1,8 +1,9 @@
 FROM solanalabs/rust
+ARG nightly=nightly-2018-08-14

 RUN set -x && \
-    rustup install nightly && \
-    rustup default nightly && \
-    rustup component add clippy-preview --toolchain=nightly && \
+    rustup install $nightly && \
+    rustup default $nightly && \
+    rustup component add clippy-preview --toolchain=$nightly && \
    rustc --version && \
    cargo --version