MRG: fix CI build & tests

.github/workflows/build-test.yml

@@ -11,48 +11,48 @@ jobs:
       with:
         fetch-depth: 0
 
-    - name: Install latest stable rust
-      uses: actions-rs/toolchain@v1
-      with:
-         toolchain: stable
-         override: true
-         components: rustfmt, clippy
-
-    - name: Run cargo fmt
-      uses: actions-rs/cargo@v1
-      with:
-        command: fmt
-        args: --all -- --check
-
-    - name: cache rust
-      uses: Swatinem/rust-cache@v2
-
     - name: cache conda
       uses: actions/cache@v4
       env:
-        CACHE_NUMBER: 0
+        CACHE_NUMBER: 1
       with:
         path: ~/conda_pkgs_dir
         key:
           ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('environment.yml') }}
 
+    - name: cache rust
+      uses: Swatinem/rust-cache@v2
+
     - name: setup conda
-      uses: conda-incubator/setup-miniconda@a4260408e20b96e80095f42ff7f1a15b27dd94ca
+      uses: conda-incubator/setup-miniconda@v3
       with:
         auto-update-conda: true
-        python-version: 3.11
+        python-version: 3.12
         channels: conda-forge,bioconda
         miniforge-variant: Mambaforge
         miniforge-version: latest
         use-mamba: true
         mamba-version: "*"
         activate-environment: sourmash_dev
         auto-activate-base: false
-        use-only-tar-bz2: true
+#        use-only-tar-bz2: true
+
+    - run: conda info
+    - run: conda list
+    - run: conda config --show
+
+    - run: mamba search rust
 
     - name: install dependencies
       shell: bash -l {0}
-      run: mamba install git compilers maturin pytest pandas
+      run: mamba install rust==1.75.0
+
+    - name: install dependencies 2
+      shell: bash -l {0}
+      run: mamba install compilers maturin pytest pandas
+
+    - name: Run cargo fmt
+      run: cargo fmt --all -- --check --verbose
 
     - name: build
       shell: bash -l {0}

Cargo.toml

@@ -16,7 +16,7 @@ sourmash = { version = "0.13.1", features = ["branchwater"] }
 serde_json = "1.0.116"
 niffler = "2.4.0"
 log = "0.4.14"
-env_logger = "0.11.3"
+env_logger = { version = "0.11.3", optional = true }
 simple-error = "0.3.0"
 anyhow = "1.0.82"
 zip = { version = "0.6", default-features = false, features = ["deflate"] }
@@ -35,5 +35,5 @@ tempfile = "3.10.0"
 
 [profile.release]
 #target-cpu=native
-lto = "thin"
+#lto = "thin"
 opt-level = 3