Always use cargo +nightly in Justfile

Justfile

@@ -4,37 +4,39 @@ set shell := ["/bin/bash", "-c"]
 
 static_target := "x86_64-unknown-linux-musl"
 
+cargo := "cargo +nightly"
+
 check: fmt-check lint test
-    cargo check
+    {{cargo}} check
 
 clean:
-    cargo clean
+    {{cargo}} clean
     git clean -f -d -X
 
 fmt:
-    cargo fmt
+    {{cargo}} fmt
     git ls-files | grep '\.py$' | xargs isort
     git ls-files | grep '\.py$' | xargs black
     git ls-files | grep '\.sh$' | xargs -L 1 shfmt --indent 4 --write
 
 fmt-check:
-    cargo fmt --check
+    {{cargo}} fmt --check
     git ls-files | grep '\.py$' | xargs black --check
     git ls-files | grep '\.sh$' | xargs -L 1 shfmt --indent 4 --diff
 
 lint:
-    cargo clippy --no-deps -- -Dwarnings
+    {{cargo}} clippy --no-deps -- -Dwarnings
     git ls-files | grep '\.py$' | xargs ruff --ignore E501
     git ls-files | grep '\.sh$' | xargs -L 1 shellcheck --norc
 
 lint-fix:
-    cargo clippy --no-deps --fix
+    {{cargo}} clippy --no-deps --fix
 
 build-release:
-    cargo build --release
+    {{cargo}} build --release
 
 build-release-static:
-    cargo build --release --target {{static_target}} --features=static-build
+    {{cargo}} build --release --target {{static_target}} --features=static-build
 
 pushall:
     for r in $(git remote) ; do \
@@ -50,27 +52,27 @@ test-binary:
     env \
         GITHUB_API_BASEURL=http://rest:5000/github \
         GITLAB_API_BASEURL=http://rest:5000/gitlab \
-        cargo build --profile e2e-tests --target {{static_target}} --features=static-build
+        {{cargo}} build --profile e2e-tests --target {{static_target}} --features=static-build
 
 install:
-    cargo install --path .
+    {{cargo}} install --path .
 
 install-static:
-    cargo install --target {{static_target}} --features=static-build --path .
+    {{cargo}} install --target {{static_target}} --features=static-build --path .
 
 build:
-    cargo build
+    {{cargo}} build
 
 build-static:
-    cargo build --target {{static_target}} --features=static-build
+    {{cargo}} build --target {{static_target}} --features=static-build
 
 test: test-unit test-integration test-e2e
 
 test-unit +tests="":
-    cargo test --lib --bins -- --show-output {{tests}}
+    {{cargo}} test --lib --bins -- --show-output {{tests}}
 
 test-integration:
-    cargo test --test "*"
+    {{cargo}} test --test "*"
 
 test-e2e +tests=".": test-binary
     cd ./e2e_tests \