try a thing

Author: folkertdev

.github/workflows/checks.yaml

@@ -279,7 +279,7 @@ jobs:
           toolchain: nightly
           components: llvm-tools-preview
       - name: Install cargo fuzz & rustfilt
-        uses: taiki-e/install-action@56ab7930c591507f833cbaed864d201386d518a8
+        uses: taiki-e/install-action@a48a50298f98c47e46a957ae6f82c44cc4878e42 # v2.49.47
         with:
           tool: cargo-fuzz,rustfilt
       - name: Download custom decompression corpus
@@ -288,11 +288,21 @@ jobs:
           wget https://github.com/trifectatechfoundation/compression-corpus/releases/download/2025-04-14-103007/gzip-files.zip
           unzip gzip-files.zip -d gzip-files
       - name: Run `cargo fuzz`
+        env:
+          RUST_BACKTRACE: "1"
+          # prevents `cargo fuzz coverage` from rebuilding everything
+          RUSTFLAGS: "-C instrument-coverage"
         run: |
-          cargo fuzz run ${{matrix.features}} ${{matrix.fuzz_target}} ${{matrix.corpus}} -- -max_total_time=10
+          cargo fuzz run --target $(rustc --print host-tuple) ${{matrix.features}} ${{matrix.fuzz_target}} ${{matrix.corpus}} -- -max_total_time=10
       - name: Fuzz codecov
         run: |
-          cargo fuzz coverage ${{matrix.features}} ${{matrix.fuzz_target}} ${{matrix.corpus}}
+          cargo fuzz coverage --target $(rustc --print host-tuple) ${{matrix.features}} ${{matrix.fuzz_target}} ${{matrix.corpus}}
+          ls target
+          ls target/x86_64-unknown-linux-gnu
+          ls target/x86_64-unknown-linux-gnu/coverage
+          ls target/x86_64-unknown-linux-gnu/coverage/x86_64-unknown-linux-gnu
+          ls target/x86_64-unknown-linux-gnu/coverage/x86_64-unknown-linux-gnu/release
+          ls target/x86_64-unknown-linux-gnu/coverage/x86_64-unknown-linux-gnu/release/uncompress
           $(rustc --print sysroot)/lib/rustlib/$(rustc --print host-tuple)/bin/llvm-cov export -Xdemangler=rustfilt \
               target/$(rustc --print host-tuple)/coverage/$(rustc --print host-tuple)/release/${{matrix.fuzz_target}} \
               -instr-profile=fuzz/coverage/${{matrix.fuzz_target}}/coverage.profdata \