Don't install clippy/rustfmt until after we mess with the Windows target

.travis.yml

@@ -11,15 +11,13 @@ cache:
 
 before_script:
   - rustup show
-  - rustup set profile minimal
-  - rustup update
-  - rustup component add clippy
-  - rustup component add rustfmt
   # CMake doesn't like the `sh.exe` provided by Git being in PATH
   - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then rm "C:/Program Files/Git/usr/bin/sh.exe"; fi
   # MinGW doesn't implement the `poll` functions we need, so default to MSVC
   # TODO: Attempt compilation with MSYS on Travis
   - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then rustup default stable-x86_64-pc-windows-msvc; fi
+  - rustup component add clippy
+  - rustup component add rustfmt
 
 script:
   - cargo clippy --all