Make citool compilation faster

.github/workflows/ci.yml

@@ -58,8 +58,8 @@ jobs:
           COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
         run: |
           cd src/ci/citool
-          cargo test
-          cargo run calculate-job-matrix >> $GITHUB_OUTPUT
+          CARGO_INCREMENTAL=0 cargo test
+          CARGO_INCREMENTAL=0 cargo run calculate-job-matrix >> $GITHUB_OUTPUT
         id: jobs
   job:
     name: ${{ matrix.full_name }}
@@ -187,7 +187,7 @@ jobs:
       - name: build citool
         run: |
           cd src/ci/citool
-          CARGO_TARGET_DIR=../../../build/citool cargo build
+          CARGO_INCREMENTAL=0 CARGO_TARGET_DIR=../../../build/citool cargo build
 
       - name: run the build
         # Redirect stderr to stdout to avoid reordering the two streams in the GHA logs.

src/ci/citool/Cargo.toml

@@ -19,3 +19,7 @@ insta = "1"
 # If this is omitted, cargo will look for a workspace elsewhere.
 # We want to avoid this, since citool is independent of the other crates.
 [workspace]
+
+# Make compilation faster
+[profile.dev]
+debug = 0