warning: large size difference between variants
  --> node/src/cli.rs:5:1
   |
5  | / pub enum Subcommand {
6  | |     /// Build a chain specification.
7  | |     BuildSpec(sc_cli::BuildSpecCmd),
8  | |
...  |
19 | |     ImportBlocks(sc_cli::ImportBlocksCmd),
   | |     ------------------------------------- the second-largest variant contains at least 240 bytes
...  |
39 | |     Benchmark(frame_benchmarking_cli::BenchmarkCmd),
   | |     ----------------------------------------------- the largest variant contains at least 512 bytes
...  |
48 | |     Key(sc_cli::KeySubcommand),
49 | | }
   | |_^ the entire enum is at least 512 bytes
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
   = note: `#[warn(clippy::large_enum_variant)]` on by default
help: consider boxing the large fields to reduce the total size of the enum
   |
39 |     Benchmark(Box<frame_benchmarking_cli::BenchmarkCmd>),
   |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~