Remove --no-tests=warn workarounds

Author: nothingmuch

.github/workflows/cargo.yml

@@ -17,7 +17,7 @@ jobs:
           components: clippy
       - uses: Swatinem/rust-cache@v2
       - uses: taiki-e/install-action@cargo-nextest
-      - run: cargo nextest run --no-tests=warn
+      - run: cargo nextest run
       # Warn-only: this toolchain is rolling (not pinned), which may cause
       # unrelated PRs to start failing due to nightly containing new lints.
       # Nix clippy checks in ci.yml, which pins the toolchain via a flake.lock,

Justfile

@@ -20,7 +20,7 @@ fmt:
 
 # Run tests via cargo-nextest
 test:
-    cargo nextest run --no-tests=warn
+    cargo nextest run
 
 # Run clippy lints
 clippy:

nix/checks.nix

@@ -34,7 +34,6 @@
           // {
             cargoArtifacts = deps;
             CARGO_PROFILE = profile;
-            cargoNextestExtraArgs = "--no-tests=warn";
           }
         );
 
@@ -59,12 +58,9 @@
               cargo-nextest
             ];
             buildPhaseCargoCommand = ''
-              cargo llvm-cov nextest --no-report --no-tests=warn --all-features
-
               mkdir -p $out
-              if [ -f target/llvm-cov-target/source.profdata ]; then
-                cargo llvm-cov report --lcov --output-path $out/coverage.lcov --fail-under-regions 100
-              fi
+              cargo llvm-cov nextest --all-features --lcov --output-path $out/coverage.lcov
+              cargo llvm-cov report --fail-under-regions 100
             '';
             installPhase = "true";
           }