[INFO] crate c3_sdk 0.1.0 is already in cache
[INFO] extracting crate c3_sdk 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/c3_sdk/0.1.0
[INFO] extracting crate c3_sdk 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/c3_sdk/0.1.0
[INFO] validating manifest of c3_sdk-0.1.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of c3_sdk-0.1.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing c3_sdk-0.1.0
[INFO] finished frobbing c3_sdk-0.1.0
[INFO] frobbed toml for c3_sdk-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/c3_sdk/0.1.0/Cargo.toml
[INFO] started frobbing c3_sdk-0.1.0
[INFO] finished frobbing c3_sdk-0.1.0
[INFO] frobbed toml for c3_sdk-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/c3_sdk/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting c3_sdk-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/c3_sdk/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7ac7697c3afedd28217132ed68ad0332895acf01cf317e9a14c8e41864e2359c
[INFO] running `"docker" "start" "-a" "7ac7697c3afedd28217132ed68ad0332895acf01cf317e9a14c8e41864e2359c"`
[INFO] [stderr]     Checking mac v0.0.2
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking buffer v0.1.8
[INFO] [stderr]     Checking c3_sdk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             store: store,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `store`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             registered_methods: registered_methods,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `registered_methods`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             state: state,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `state`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             store: store,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `store`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             registered_methods: registered_methods,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `registered_methods`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             state: state,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `state`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     return add_prefix(hex::encode(s).to_lowercase());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `add_prefix(hex::encode(s).to_lowercase())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     return hex::decode(strip_prefix(hex_str)).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `hex::decode(strip_prefix(hex_str)).unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     return add_prefix(hex::encode(bufstr)).to_lowercase();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `add_prefix(hex::encode(bufstr)).to_lowercase()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     return bufstr.to_string();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `bufstr.to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     return strip_prefix(encode_to_string(src)).to_owned().into_bytes()
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `strip_prefix(encode_to_string(src)).to_owned().into_bytes()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     return hex::decode(bufstr).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `hex::decode(bufstr).unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     return BigInt::new(Sign::Plus, vec![0]);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `BigInt::new(Sign::Plus, vec![0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     return re.replace_all(&s, "").to_string();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `re.replace_all(&s, "").to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hashutil.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     return Vec::from(format!("{:x}", hasher.result()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec::from(format!("{:x}", hasher.result()))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hashutil.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     return Vec::from(format!("{:x}", hasher.result()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec::from(format!("{:x}", hasher.result()))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hashutil.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     return hexutil::add_prefix(format!("{:x}", result));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `hexutil::add_prefix(format!("{:x}", result))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hashutil.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     return hex_str.to_lowercase() == hash_to_hex_string(bytes);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `hex_str.to_lowercase() == hash_to_hex_string(bytes)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/client.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         return State{
[INFO] [stderr] 24 | |             store: store,
[INFO] [stderr] 25 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 23 |         State{
[INFO] [stderr] 24 |             store: store,
[INFO] [stderr] 25 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/client.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         return result.to_string();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `result.to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/client.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         return client;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `client`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/client.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     return newstr.to_string();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `newstr.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     return add_prefix(hex::encode(s).to_lowercase());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `add_prefix(hex::encode(s).to_lowercase())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     return hex::decode(strip_prefix(hex_str)).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `hex::decode(strip_prefix(hex_str)).unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     return add_prefix(hex::encode(bufstr)).to_lowercase();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `add_prefix(hex::encode(bufstr)).to_lowercase()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     return bufstr.to_string();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `bufstr.to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     return strip_prefix(encode_to_string(src)).to_owned().into_bytes()
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `strip_prefix(encode_to_string(src)).to_owned().into_bytes()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     return hex::decode(bufstr).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `hex::decode(bufstr).unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     return BigInt::new(Sign::Plus, vec![0]);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `BigInt::new(Sign::Plus, vec![0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hexutil.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     return re.replace_all(&s, "").to_string();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `re.replace_all(&s, "").to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hashutil.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     return Vec::from(format!("{:x}", hasher.result()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec::from(format!("{:x}", hasher.result()))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hashutil.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     return Vec::from(format!("{:x}", hasher.result()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec::from(format!("{:x}", hasher.result()))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hashutil.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     return hexutil::add_prefix(format!("{:x}", result));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `hexutil::add_prefix(format!("{:x}", result))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hashutil.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     return hex_str.to_lowercase() == hash_to_hex_string(bytes);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `hex_str.to_lowercase() == hash_to_hex_string(bytes)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/client.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         return State{
[INFO] [stderr] 24 | |             store: store,
[INFO] [stderr] 25 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 23 |         State{
[INFO] [stderr] 24 |             store: store,
[INFO] [stderr] 25 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/client.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         return result.to_string();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `result.to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/client.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         return client;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `client`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/client.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     return newstr.to_string();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `newstr.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: trivial regex
[INFO] [stderr]   --> src/hexutil.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let re = regex::Regex::new(r"^0x").unwrap();
[INFO] [stderr]    |                                ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivial_regex)] on by default
[INFO] [stderr]    = help: consider using `str::starts_with`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivial_regex
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `client::Client`
[INFO] [stderr]   --> src/client.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     pub fn new() -> Client {
[INFO] [stderr] 62 | |         let registered_methods = HashMap::new();
[INFO] [stderr] 63 | |         let store = HashMap::new();
[INFO] [stderr] 64 | |         let state = State::new(store);
[INFO] [stderr] ...  |
[INFO] [stderr] 72 | |         return client;
[INFO] [stderr] 73 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 55 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trivial regex
[INFO] [stderr]   --> src/hexutil.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let re = regex::Regex::new(r"^0x").unwrap();
[INFO] [stderr]    |                                ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivial_regex)] on by default
[INFO] [stderr]    = help: consider using `str::starts_with`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivial_regex
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `client::Client`
[INFO] [stderr]   --> src/client.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     pub fn new() -> Client {
[INFO] [stderr] 62 | |         let registered_methods = HashMap::new();
[INFO] [stderr] 63 | |         let store = HashMap::new();
[INFO] [stderr] 64 | |         let state = State::new(store);
[INFO] [stderr] ...  |
[INFO] [stderr] 72 | |         return client;
[INFO] [stderr] 73 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 55 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> tests/client.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             return key;
[INFO] [stderr]    |             ^^^^^^^^^^^ help: remove `return` as shown: `key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.72s
[INFO] running `"docker" "inspect" "7ac7697c3afedd28217132ed68ad0332895acf01cf317e9a14c8e41864e2359c"`
[INFO] running `"docker" "rm" "-f" "7ac7697c3afedd28217132ed68ad0332895acf01cf317e9a14c8e41864e2359c"`
[INFO] [stdout] 7ac7697c3afedd28217132ed68ad0332895acf01cf317e9a14c8e41864e2359c