remove the cargo-when dependency.

.github/workflows/main.yml

@@ -25,7 +25,6 @@ jobs:
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           args: --all-features
-      - run: cargo install cargo-when
       - name: Build
         run: ./build.sh
       - name: Run tests
@@ -48,7 +47,6 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
-      - run: cargo install cargo-when
       - name: Build
         run: ./build.sh
       - uses: actions/setup-go@v2

README.md

@@ -42,10 +42,6 @@ For other platforms, please use the devcontainer that we prepared.
 
 ## Building
 
-```sh
-$ cargo install cargo-when # installs prerequisite for building youki
-```
-
 ```sh
 $ git clone git@github.com:containers/youki.git
 $ cd youki

build.sh

@@ -8,8 +8,7 @@ VERSION=debug
 if [[ "$1" == "--release" ]]; then
     VERSION=release
 fi
-cargo when --channel=stable build --verbose $TGT $1 && \
-cargo when --channel=beta build --verbose $TGT $1 && \
-cargo when --channel=nightly build --verbose --features nightly $TGT $1 && \
+
+cargo build --verbose $TGT $1
 rm -f youki
 cp target/$TARGET/$VERSION/youki .