Update to rust v1.51.0

.circleci/config.yml

@@ -43,7 +43,7 @@ commands:
 jobs:
   rust_stable:
     docker:
-      - image: cimg/rust:1.50.0
+      - image: cimg/rust:1.51.0
     resource_class: 2xlarge
     steps:
       - checkout
@@ -72,11 +72,11 @@ jobs:
           command: >
             cd ~/project/project/ &&
             docker run --security-opt seccomp=unconfined -v ~/project/project/:/home/circleci/project/
-            howardwu/snarkos-codecov:2021-01-31 bash /home/circleci/project/ci/kcov.sh
+            howardwu/snarkos-codecov:2021-03-25 bash /home/circleci/project/ci/kcov.sh
       - run: cd ./project/ && bash <(curl -s https://codecov.io/bash)
   rust_nightly:
     docker:
-      - image: howardwu/snarkos-ci:2021-01-31
+      - image: howardwu/snarkos-ci:2021-03-25
     resource_class: 2xlarge
     steps:
       - checkout

ci/docker-kcov/README.md

@@ -1,10 +1,10 @@
 # To Update
 
 1. Go to [Rustup components availability page](https://rust-lang.github.io/rustup-components-history/)
-2. Find the latest version that supports `rustfmt` component (e.g. 2021-01-31)
-3. Update the Dockerfile by changing `RUST_VERSION` to the target version (e.g. nightly-2021-01-31)
+2. Find the latest version that supports `rustfmt` component (e.g. 2021-03-25)
+3. Update the Dockerfile by changing `RUST_VERSION` to the target version (e.g. nightly-2021-03-25)
 4. Build and push:
 ```bash
-docker build -t howardwu/snarkos-codecov:2021-01-31 .
-docker push howardwu/snarkos-codecov:2021-01-31
+docker build -t howardwu/snarkos-codecov:2021-03-25 .
+docker push howardwu/snarkos-codecov:2021-03-25
 ```

ci/docker-rust/Dockerfile

@@ -2,7 +2,7 @@ FROM buildpack-deps:buster
 
 FROM cimg/base:2020.09
 
-ENV RUST_VERSION=nightly-2021-01-31 \
+ENV RUST_VERSION=nightly-2021-03-25 \
 	PATH=/home/circleci/.cargo/bin:$PATH
 
 RUN curl -O https://static.rust-lang.org/rustup/dist/x86_64-unknown-linux-gnu/rustup-init && \

ci/docker-rust/README.md

@@ -1,9 +1,9 @@
 1. Go to [Rustup components availability page](https://rust-lang.github.io/rustup-components-history/)
-2. Find out latest version that supports `rustfmt` component (e.g. 2021-01-31)
-3. Edit Dockerfile. Change `RUST_VERSION` to the target version e.g. nightly-2021-01-31.
+2. Find out latest version that supports `rustfmt` component (e.g. 2021-03-25)
+3. Edit Dockerfile. Change `RUST_VERSION` to the target version e.g. nightly-2021-03-25.
 4. Build and push:
 
 ```bash
-docker build -t howardwu/snarkos-ci:2021-01-31 .
-docker push howardwu/snarkos-ci:2021-01-31
+docker build -t howardwu/snarkos-ci:2021-03-25 .
+docker push howardwu/snarkos-ci:2021-03-25
 ```