maint/CICD ~ add work-around for absorption of cargo tree into cargo

- see [GH:rust-lang/cargo#8062](rust-lang/cargo#8062) for more information

Author: rivy

.github/workflows/CICD.yml

@@ -103,11 +103,11 @@ jobs:
         rustup show active-toolchain
         cargo -V
         rustc -V
-        cargo tree -V
+        cargo-tree tree -V
         ## dependencies
         echo "## dependency list"
         cargo +stable fetch --quiet
-        cargo +stable tree --all --no-dev-dependencies --no-indent --features ${{ matrix.job.features }} | grep -vE "$PWD" | sort --unique
+        cargo-tree +stable tree --all --no-dev-dependencies --no-indent --features ${{ matrix.job.features }} | grep -vE "$PWD" | sort --unique
     - name: Test
       uses: actions-rs/cargo@v1
       with:
@@ -131,7 +131,7 @@ jobs:
           - { os: macos-latest   , target: x86_64-apple-darwin         , features: feat_os_unix }
           - { os: windows-latest , target: i686-pc-windows-gnu         , features: feat_os_windows }
           - { os: windows-latest , target: i686-pc-windows-msvc        , features: feat_os_windows }
-          # - { os: windows-latest , target: x86_64-pc-windows-gnu       , features: feat_os_windows , toolchain: nightly-x86_64-pc-windows-gnu }   ## !maint: [rivy; due 2020-21-03] disable/remove when rust beta >= v1.43.0 is available (~mid-March)
+          - { os: windows-latest , target: x86_64-pc-windows-gnu       , features: feat_os_windows , toolchain: nightly-x86_64-pc-windows-gnu }   ## !maint: [rivy; due 2020-21-03] disable/remove when rust beta >= v1.43.0 is available (~mid-March)
           - { os: windows-latest , target: x86_64-pc-windows-gnu       , features: feat_os_windows , toolchain: beta-x86_64-pc-windows-gnu }      ## maint: [rivy; due 2020-21-03; due 2020-01-05] enable when rust beta >= v1.43.0 is available (~mid-March); disable when rust stable >= 1.43.0 is available (~early-May)
           # - { os: windows-latest , target: x86_64-pc-windows-gnu       , features: feat_os_windows } ## note: requires rust >= 1.43.0 to link correctly # ! maint: [rivy; due 2020-01-05] enable when rust stable >= 1.43.0 is available
           - { os: windows-latest , target: x86_64-pc-windows-msvc      , features: feat_os_windows }
@@ -265,11 +265,11 @@ jobs:
         rustup show active-toolchain
         cargo -V
         rustc -V
-        cargo tree -V
+        cargo-tree tree -V
         ## dependencies
         echo "## dependency list"
         cargo fetch --quiet
-        cargo tree --target=${{ matrix.job.target }} ${{ matrix.job.cargo-options }} ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }} --all --no-dev-dependencies --no-indent | grep -vE "$PWD" | sort --unique
+        cargo-tree tree --target=${{ matrix.job.target }} ${{ matrix.job.cargo-options }} ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }} --all --no-dev-dependencies --no-indent | grep -vE "$PWD" | sort --unique
     - name: Build
       uses: actions-rs/cargo@v1
       with: