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),
...  |
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 544 bytes
...  |
43 | |     Key(sc_cli::KeySubcommand),
44 | | }
   | |_^ the entire enum is at least 544 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>),
   |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

warning: this match could be replaced by its body itself
   --> runtime/testnet/src/extensions.rs:180:15
    |
180 |       let result = match key {
    |  __________________^
181 | |         _ => Vec::<u8>::default(),
182 | |     }
    | |_____^ help: consider using the match body instead: `Vec::<u8>::default()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_single_binding
    = note: `#[warn(clippy::match_single_binding)]` on by default

warning: this match could be replaced by its body itself
   --> runtime/devnet/src/extensions.rs:180:15
    |
180 |       let result = match key {
    |  __________________^
181 | |         _ => Vec::<u8>::default(),
182 | |     }
    | |_____^ help: consider using the match body instead: `Vec::<u8>::default()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_single_binding
    = note: `#[warn(clippy::match_single_binding)]` on by default

warning: bound is defined in more than one place
  --> runtime/testnet/src/extensions.rs:32:10
   |
32 |     fn call<E: Ext>(&mut self, env: Environment<E, InitState>) -> Result<RetVal, DispatchError>
   |             ^
33 |     where
34 |         E: Ext<T = T>,
   |         ^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#multiple_bound_locations
   = note: `#[warn(clippy::multiple_bound_locations)]` on by default

warning: bound is defined in more than one place
  --> runtime/devnet/src/extensions.rs:32:10
   |
32 |     fn call<E: Ext>(&mut self, env: Environment<E, InitState>) -> Result<RetVal, DispatchError>
   |             ^
33 |     where
34 |         E: Ext<T = T>,
   |         ^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#multiple_bound_locations
   = note: `#[warn(clippy::multiple_bound_locations)]` on by default

warning: unexpected `cfg` condition value: `metadata-hash`
 --> runtime/testnet/build.rs:8:32
  |
8 | #[cfg(all(feature = "std", not(feature = "metadata-hash")))]
  |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: expected values for `feature` are: `default`, `runtime-benchmarks`, `std`, and `try-runtime`
  = help: consider adding `metadata-hash` as a feature in `Cargo.toml`
  = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration

warning: unexpected `cfg` condition value: `metadata-hash`
 --> runtime/testnet/build.rs:1:28
  |
1 | #[cfg(all(feature = "std", feature = "metadata-hash"))]
  |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: expected values for `feature` are: `default`, `runtime-benchmarks`, `std`, and `try-runtime`
  = help: consider adding `metadata-hash` as a feature in `Cargo.toml`
  = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
  = note: `#[warn(unexpected_cfgs)]` on by default