port the app! macro to the latest syn crate about rtic HOT 3 CLOSED

➜  cortex-m-rtfm git:(master) ✗ cargo run --example one-task
   Compiling compiletest_rs v0.3.6
error[E0433]: failed to resolve. Could not find `OutputFormat` in `test`
  --> /home/creativcoder/.cargo/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.6/src/lib.rs:97:41
   |
97 |         format: if config.quiet { test::OutputFormat::Terse } else { test::OutputFormat::Pretty },
   |                                         ^^^^^^^^^^^^ Could not find `OutputFormat` in `test`

error[E0433]: failed to resolve. Could not find `OutputFormat` in `test`
  --> /home/creativcoder/.cargo/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.6/src/lib.rs:97:76
   |
97 |         format: if config.quiet { test::OutputFormat::Terse } else { test::OutputFormat::Pretty },
   |                                                                            ^^^^^^^^^^^^ Could not find `OutputFormat` in `test`

error[E0560]: struct `test::TestOpts` has no field named `format`
  --> /home/creativcoder/.cargo/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.6/src/lib.rs:97:9
   |
97 |         format: if config.quiet { test::OutputFormat::Terse } else { test::OutputFormat::Pretty },
   |         ^^^^^^^ `test::TestOpts` does not have this field
   |
   = note: available fields are: `list`, `filter`, `filter_exact`, `run_ignored`, `run_tests` ... and 8 others

error: aborting due to 3 previous errors

error: Could not compile `compiletest_rs`.