[INFO] crate arkecosystem-crypto 0.1.0 is already in cache
[INFO] extracting crate arkecosystem-crypto 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/arkecosystem-crypto/0.1.0
[INFO] extracting crate arkecosystem-crypto 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/arkecosystem-crypto/0.1.0
[INFO] validating manifest of arkecosystem-crypto-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 arkecosystem-crypto-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 arkecosystem-crypto-0.1.0
[INFO] finished frobbing arkecosystem-crypto-0.1.0
[INFO] frobbed toml for arkecosystem-crypto-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/arkecosystem-crypto/0.1.0/Cargo.toml
[INFO] started frobbing arkecosystem-crypto-0.1.0
[INFO] finished frobbing arkecosystem-crypto-0.1.0
[INFO] frobbed toml for arkecosystem-crypto-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/arkecosystem-crypto/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 arkecosystem-crypto-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-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/arkecosystem-crypto/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] ca3041fad6c4786c0a4ce05963c7a863636aa822eff17066eb05ca13576a1145
[INFO] running `"docker" "start" "-a" "ca3041fad6c4786c0a4ce05963c7a863636aa822eff17066eb05ca13576a1145"`
[INFO] [stderr]     Checking bitcoin v0.14.2
[INFO] [stderr]     Checking arkecosystem-crypto v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/transactions/serializer.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::deprecated_cfg_attr)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/transactions/serializer.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::deprecated_cfg_attr)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]    --> src/transactions/deserializer.rs:288:17
[INFO] [stderr]     |
[INFO] [stderr] 288 |                 min: _,
[INFO] [stderr]     |                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]    --> src/transactions/deserializer.rs:289:17
[INFO] [stderr]     |
[INFO] [stderr] 289 |                 lifetime: _,
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Try with `MultiSignatureRegistration { ref mut keysgroup, .. }`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]    --> src/transactions/deserializer.rs:288:17
[INFO] [stderr]     |
[INFO] [stderr] 288 |                 min: _,
[INFO] [stderr]     |                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]    --> src/transactions/deserializer.rs:289:17
[INFO] [stderr]     |
[INFO] [stderr] 289 |                 lifetime: _,
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Try with `MultiSignatureRegistration { ref mut keysgroup, .. }`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/enums/transaction_types.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn fee(&self) -> u64 {
[INFO] [stderr]    |                ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> src/transactions/deserializer.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     bytes.read(&mut sender_public_key_buf).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> src/transactions/deserializer.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         bytes.read(&mut vendor_field_buf).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/transactions/deserializer.rs:57:19
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let type_id = transaction.type_id.clone();
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `transaction.type_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/transactions/deserializer.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     bytes.read(&mut recipient_id_buf).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/transactions/deserializer.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |         bytes.read(&mut public_key_buf).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/deserializer.rs:204:8
[INFO] [stderr]     |
[INFO] [stderr] 204 |     if signature.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/deserializer.rs:222:12
[INFO] [stderr]     |
[INFO] [stderr] 222 |         if second_signature.len() > 0 && !second_signature.starts_with("ff") {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!second_signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/deserializer.rs:276:8
[INFO] [stderr]     |
[INFO] [stderr] 276 |     if transaction.second_signature.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.second_signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/transactions/deserializer.rs:286:56
[INFO] [stderr]     |
[INFO] [stderr] 286 |           TransactionType::MultiSignatureRegistration => match &mut transaction.asset {
[INFO] [stderr]     |  ________________________________________________________^
[INFO] [stderr] 287 | |             &mut Asset::MultiSignatureRegistration {
[INFO] [stderr] 288 | |                 min: _,
[INFO] [stderr] 289 | |                 lifetime: _,
[INFO] [stderr] ...   |
[INFO] [stderr] 297 | |             _ => (),
[INFO] [stderr] 298 | |         },
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 286 |         TransactionType::MultiSignatureRegistration => if let &mut Asset::MultiSignatureRegistration {
[INFO] [stderr] 287 |                 min: _,
[INFO] [stderr] 288 |                 lifetime: _,
[INFO] [stderr] 289 |                 ref mut keysgroup,
[INFO] [stderr] 290 |             } = &mut transaction.asset {
[INFO] [stderr] 291 |     let mut keysgroup = keysgroup.as_mut_slice();
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/transactions/deserializer.rs:286:56
[INFO] [stderr]     |
[INFO] [stderr] 286 |           TransactionType::MultiSignatureRegistration => match &mut transaction.asset {
[INFO] [stderr]     |  ________________________________________________________^
[INFO] [stderr] 287 | |             &mut Asset::MultiSignatureRegistration {
[INFO] [stderr] 288 | |                 min: _,
[INFO] [stderr] 289 | |                 lifetime: _,
[INFO] [stderr] ...   |
[INFO] [stderr] 297 | |             _ => (),
[INFO] [stderr] 298 | |         },
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 286 |         TransactionType::MultiSignatureRegistration => match *(&mut transaction.asset) {
[INFO] [stderr] 287 |             Asset::MultiSignatureRegistration {
[INFO] [stderr] 288 |                 min: _,
[INFO] [stderr] 289 |                 lifetime: _,
[INFO] [stderr] 290 |                 ref mut keysgroup,
[INFO] [stderr] 291 |             } => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/deserializer.rs:302:8
[INFO] [stderr]     |
[INFO] [stderr] 302 |     if transaction.vendor_field_hex.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.vendor_field_hex.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/transactions/serializer.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     bytes.write(&hex::decode(&transaction.sender_public_key).unwrap()).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/transactions/serializer.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     if transaction.vendor_field.len() > 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.vendor_field.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/transactions/serializer.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         bytes.write(transaction.vendor_field.as_bytes()).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/transactions/serializer.rs:33:15
[INFO] [stderr]    |
[INFO] [stderr] 33 |     } else if transaction.vendor_field_hex.len() > 0 {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.vendor_field_hex.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/transactions/serializer.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 | /         bytes
[INFO] [stderr] 37 | |             .write(transaction.vendor_field_hex.as_bytes())
[INFO] [stderr] 38 | |             .unwrap();
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/transactions/serializer.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     bytes.write(&recipient_id).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/transactions/serializer.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     match &transaction.asset {
[INFO] [stderr] 76 | |         Asset::Signature { public_key } => {
[INFO] [stderr] 77 | |             let public_key_bytes = hex::decode(public_key).unwrap();
[INFO] [stderr] 78 | |             bytes.write(&public_key_bytes).unwrap();
[INFO] [stderr] 79 | |         }
[INFO] [stderr] 80 | |         _ => (),
[INFO] [stderr] 81 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 75 |     if let Asset::Signature { public_key } = &transaction.asset {
[INFO] [stderr] 76 |     let public_key_bytes = hex::decode(public_key).unwrap();
[INFO] [stderr] 77 |     bytes.write(&public_key_bytes).unwrap();
[INFO] [stderr] 78 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/transactions/serializer.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             bytes.write(&public_key_bytes).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/transactions/serializer.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 | /     match &transaction.asset {
[INFO] [stderr] 86 | |         Asset::Delegate { username } => {
[INFO] [stderr] 87 | |             bytes.write_u8(username.len() as u8).unwrap();
[INFO] [stderr] 88 | |             bytes.write(&username.as_bytes()).unwrap();
[INFO] [stderr] 89 | |         }
[INFO] [stderr] 90 | |         _ => (),
[INFO] [stderr] 91 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 85 |     if let Asset::Delegate { username } = &transaction.asset {
[INFO] [stderr] 86 |     bytes.write_u8(username.len() as u8).unwrap();
[INFO] [stderr] 87 |     bytes.write(&username.as_bytes()).unwrap();
[INFO] [stderr] 88 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/transactions/serializer.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |             bytes.write(&username.as_bytes()).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/transactions/serializer.rs:95:5
[INFO] [stderr]     |
[INFO] [stderr] 95  | /     match &transaction.asset {
[INFO] [stderr] 96  | |         Asset::Votes(votes) => {
[INFO] [stderr] 97  | |             let mut vote_bytes = vec![];
[INFO] [stderr] 98  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 110 | |         _ => (),
[INFO] [stderr] 111 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 95  |     if let Asset::Votes(votes) = &transaction.asset {
[INFO] [stderr] 96  |     let mut vote_bytes = vec![];
[INFO] [stderr] 97  | 
[INFO] [stderr] 98  |     for vote in votes {
[INFO] [stderr] 99  |         let prefix = if vote.starts_with("+") { "01" } else { "00" };
[INFO] [stderr] 100 |         let _vote: String = vote.chars().skip(1).collect();
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/transactions/serializer.rs:100:50
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 let prefix = if vote.starts_with("+") { "01" } else { "00" };
[INFO] [stderr]     |                                                  ^^^ help: try using a char instead: `'+'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/transactions/serializer.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 | /             bytes
[INFO] [stderr] 107 | |                 .write(&hex::decode(&vote_bytes.join("")).unwrap())
[INFO] [stderr] 108 | |                 .unwrap();
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/transactions/serializer.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 | /     match &transaction.asset {
[INFO] [stderr] 116 | |         Asset::MultiSignatureRegistration {
[INFO] [stderr] 117 | |             min,
[INFO] [stderr] 118 | |             keysgroup,
[INFO] [stderr] ...   |
[INFO] [stderr] 140 | |         _ => (),
[INFO] [stderr] 141 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 115 |     if let Asset::MultiSignatureRegistration {
[INFO] [stderr] 116 |             min,
[INFO] [stderr] 117 |             keysgroup,
[INFO] [stderr] 118 |             lifetime,
[INFO] [stderr] 119 |         } = &transaction.asset {
[INFO] [stderr] 120 |     let keysgroup_string: String = keysgroup
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/transactions/serializer.rs:124:40
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     if key.starts_with("+") {
[INFO] [stderr]     |                                        ^^^ help: try using a char instead: `'+'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/transactions/serializer.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 | /             bytes
[INFO] [stderr] 137 | |                 .write(&hex::decode(keysgroup_string).unwrap())
[INFO] [stderr] 138 | |                 .unwrap();
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/serializer.rs:145:8
[INFO] [stderr]     |
[INFO] [stderr] 145 |     if transaction.signature.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/transactions/serializer.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         bytes.write(&signature_bytes).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/serializer.rs:150:8
[INFO] [stderr]     |
[INFO] [stderr] 150 |     if transaction.second_signature.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.second_signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/transactions/serializer.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         bytes.write(&second_signature_bytes).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/serializer.rs:153:15
[INFO] [stderr]     |
[INFO] [stderr] 153 |     } else if transaction.sign_signature.len() > 0 {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.sign_signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/transactions/serializer.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         bytes.write(&sign_signature_bytes).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/serializer.rs:158:8
[INFO] [stderr]     |
[INFO] [stderr] 158 |     if transaction.signatures.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.signatures.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/transactions/serializer.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         bytes.write(&signatures_bytes).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/enums/transaction_types.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn fee(&self) -> u64 {
[INFO] [stderr]    |                ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> src/transactions/deserializer.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     bytes.read(&mut sender_public_key_buf).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> src/transactions/deserializer.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         bytes.read(&mut vendor_field_buf).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/transactions/deserializer.rs:57:19
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let type_id = transaction.type_id.clone();
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `transaction.type_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/transactions/deserializer.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     bytes.read(&mut recipient_id_buf).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/transactions/transaction.rs:125:25
[INFO] [stderr]     |
[INFO] [stderr] 125 |         buffer.write_u8(self.type_id.clone() as u8).unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.type_id`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/transaction.rs:130:31
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let recipient_id = if self.recipient_id.len() > 0 {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.recipient_id.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/transaction.rs:138:40
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let vendor_field: Vec<u8> = if self.vendor_field.len() > 0 {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.vendor_field.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/transactions/transaction.rs:162:32
[INFO] [stderr]     |
[INFO] [stderr] 162 |           let payload: Vec<u8> = match &self.asset {
[INFO] [stderr]     |  ________________________________^
[INFO] [stderr] 163 | |             &Asset::Signature { ref public_key } => hex::decode(&public_key).unwrap(),
[INFO] [stderr] 164 | |             &Asset::Delegate { ref username } => username.to_owned().as_bytes().to_vec(),
[INFO] [stderr] 165 | |             &Asset::Votes(ref votes) => votes.join("").as_bytes().to_vec(),
[INFO] [stderr] ...   |
[INFO] [stderr] 178 | |             _ => vec![],
[INFO] [stderr] 179 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let payload: Vec<u8> = match self.asset {
[INFO] [stderr] 163 |             Asset::Signature { ref public_key } => hex::decode(&public_key).unwrap(),
[INFO] [stderr] 164 |             Asset::Delegate { ref username } => username.to_owned().as_bytes().to_vec(),
[INFO] [stderr] 165 |             Asset::Votes(ref votes) => votes.join("").as_bytes().to_vec(),
[INFO] [stderr] 166 |             Asset::MultiSignatureRegistration {
[INFO] [stderr] 167 |                 min,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/transactions/deserializer.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |         bytes.read(&mut public_key_buf).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/transaction.rs:184:31
[INFO] [stderr]     |
[INFO] [stderr] 184 |         if !skip_signature && self.signature.len() > 0 {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/transaction.rs:189:38
[INFO] [stderr]     |
[INFO] [stderr] 189 |         if !skip_second_signature && self.second_signature.len() > 0 {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.second_signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/deserializer.rs:204:8
[INFO] [stderr]     |
[INFO] [stderr] 204 |     if signature.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/deserializer.rs:222:12
[INFO] [stderr]     |
[INFO] [stderr] 222 |         if second_signature.len() > 0 && !second_signature.starts_with("ff") {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!second_signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/deserializer.rs:276:8
[INFO] [stderr]     |
[INFO] [stderr] 276 |     if transaction.second_signature.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.second_signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/transactions/deserializer.rs:286:56
[INFO] [stderr]     |
[INFO] [stderr] 286 |           TransactionType::MultiSignatureRegistration => match &mut transaction.asset {
[INFO] [stderr]     |  ________________________________________________________^
[INFO] [stderr] 287 | |             &mut Asset::MultiSignatureRegistration {
[INFO] [stderr] 288 | |                 min: _,
[INFO] [stderr] 289 | |                 lifetime: _,
[INFO] [stderr] ...   |
[INFO] [stderr] 297 | |             _ => (),
[INFO] [stderr] 298 | |         },
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 286 |         TransactionType::MultiSignatureRegistration => if let &mut Asset::MultiSignatureRegistration {
[INFO] [stderr] 287 |                 min: _,
[INFO] [stderr] 288 |                 lifetime: _,
[INFO] [stderr] 289 |                 ref mut keysgroup,
[INFO] [stderr] 290 |             } = &mut transaction.asset {
[INFO] [stderr] 291 |     let mut keysgroup = keysgroup.as_mut_slice();
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/transactions/deserializer.rs:286:56
[INFO] [stderr]     |
[INFO] [stderr] 286 |           TransactionType::MultiSignatureRegistration => match &mut transaction.asset {
[INFO] [stderr]     |  ________________________________________________________^
[INFO] [stderr] 287 | |             &mut Asset::MultiSignatureRegistration {
[INFO] [stderr] 288 | |                 min: _,
[INFO] [stderr] 289 | |                 lifetime: _,
[INFO] [stderr] ...   |
[INFO] [stderr] 297 | |             _ => (),
[INFO] [stderr] 298 | |         },
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 286 |         TransactionType::MultiSignatureRegistration => match *(&mut transaction.asset) {
[INFO] [stderr] 287 |             Asset::MultiSignatureRegistration {
[INFO] [stderr] 288 |                 min: _,
[INFO] [stderr] 289 |                 lifetime: _,
[INFO] [stderr] 290 |                 ref mut keysgroup,
[INFO] [stderr] 291 |             } => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/deserializer.rs:302:8
[INFO] [stderr]     |
[INFO] [stderr] 302 |     if transaction.vendor_field_hex.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.vendor_field_hex.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/transactions/serializer.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     bytes.write(&hex::decode(&transaction.sender_public_key).unwrap()).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/transactions/serializer.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     if transaction.vendor_field.len() > 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.vendor_field.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/transactions/serializer.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         bytes.write(transaction.vendor_field.as_bytes()).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/transactions/serializer.rs:33:15
[INFO] [stderr]    |
[INFO] [stderr] 33 |     } else if transaction.vendor_field_hex.len() > 0 {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.vendor_field_hex.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/transactions/serializer.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 | /         bytes
[INFO] [stderr] 37 | |             .write(transaction.vendor_field_hex.as_bytes())
[INFO] [stderr] 38 | |             .unwrap();
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/transactions/serializer.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     bytes.write(&recipient_id).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/transactions/serializer.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     match &transaction.asset {
[INFO] [stderr] 76 | |         Asset::Signature { public_key } => {
[INFO] [stderr] 77 | |             let public_key_bytes = hex::decode(public_key).unwrap();
[INFO] [stderr] 78 | |             bytes.write(&public_key_bytes).unwrap();
[INFO] [stderr] 79 | |         }
[INFO] [stderr] 80 | |         _ => (),
[INFO] [stderr] 81 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 75 |     if let Asset::Signature { public_key } = &transaction.asset {
[INFO] [stderr] 76 |     let public_key_bytes = hex::decode(public_key).unwrap();
[INFO] [stderr] 77 |     bytes.write(&public_key_bytes).unwrap();
[INFO] [stderr] 78 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/transactions/serializer.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             bytes.write(&public_key_bytes).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/transactions/serializer.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 | /     match &transaction.asset {
[INFO] [stderr] 86 | |         Asset::Delegate { username } => {
[INFO] [stderr] 87 | |             bytes.write_u8(username.len() as u8).unwrap();
[INFO] [stderr] 88 | |             bytes.write(&username.as_bytes()).unwrap();
[INFO] [stderr] 89 | |         }
[INFO] [stderr] 90 | |         _ => (),
[INFO] [stderr] 91 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 85 |     if let Asset::Delegate { username } = &transaction.asset {
[INFO] [stderr] 86 |     bytes.write_u8(username.len() as u8).unwrap();
[INFO] [stderr] 87 |     bytes.write(&username.as_bytes()).unwrap();
[INFO] [stderr] 88 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/transactions/serializer.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |             bytes.write(&username.as_bytes()).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/transactions/serializer.rs:95:5
[INFO] [stderr]     |
[INFO] [stderr] 95  | /     match &transaction.asset {
[INFO] [stderr] 96  | |         Asset::Votes(votes) => {
[INFO] [stderr] 97  | |             let mut vote_bytes = vec![];
[INFO] [stderr] 98  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 110 | |         _ => (),
[INFO] [stderr] 111 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 95  |     if let Asset::Votes(votes) = &transaction.asset {
[INFO] [stderr] 96  |     let mut vote_bytes = vec![];
[INFO] [stderr] 97  | 
[INFO] [stderr] 98  |     for vote in votes {
[INFO] [stderr] 99  |         let prefix = if vote.starts_with("+") { "01" } else { "00" };
[INFO] [stderr] 100 |         let _vote: String = vote.chars().skip(1).collect();
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/transactions/serializer.rs:100:50
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 let prefix = if vote.starts_with("+") { "01" } else { "00" };
[INFO] [stderr]     |                                                  ^^^ help: try using a char instead: `'+'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/transactions/serializer.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 | /             bytes
[INFO] [stderr] 107 | |                 .write(&hex::decode(&vote_bytes.join("")).unwrap())
[INFO] [stderr] 108 | |                 .unwrap();
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/transactions/serializer.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 | /     match &transaction.asset {
[INFO] [stderr] 116 | |         Asset::MultiSignatureRegistration {
[INFO] [stderr] 117 | |             min,
[INFO] [stderr] 118 | |             keysgroup,
[INFO] [stderr] ...   |
[INFO] [stderr] 140 | |         _ => (),
[INFO] [stderr] 141 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 115 |     if let Asset::MultiSignatureRegistration {
[INFO] [stderr] 116 |             min,
[INFO] [stderr] 117 |             keysgroup,
[INFO] [stderr] 118 |             lifetime,
[INFO] [stderr] 119 |         } = &transaction.asset {
[INFO] [stderr] 120 |     let keysgroup_string: String = keysgroup
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/transactions/serializer.rs:124:40
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     if key.starts_with("+") {
[INFO] [stderr]     |                                        ^^^ help: try using a char instead: `'+'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/transactions/serializer.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 | /             bytes
[INFO] [stderr] 137 | |                 .write(&hex::decode(keysgroup_string).unwrap())
[INFO] [stderr] 138 | |                 .unwrap();
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/serializer.rs:145:8
[INFO] [stderr]     |
[INFO] [stderr] 145 |     if transaction.signature.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/transactions/serializer.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         bytes.write(&signature_bytes).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/serializer.rs:150:8
[INFO] [stderr]     |
[INFO] [stderr] 150 |     if transaction.second_signature.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.second_signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/transactions/serializer.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         bytes.write(&second_signature_bytes).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/serializer.rs:153:15
[INFO] [stderr]     |
[INFO] [stderr] 153 |     } else if transaction.sign_signature.len() > 0 {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.sign_signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/transactions/serializer.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         bytes.write(&sign_signature_bytes).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/serializer.rs:158:8
[INFO] [stderr]     |
[INFO] [stderr] 158 |     if transaction.signatures.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!transaction.signatures.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/transactions/serializer.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         bytes.write(&signatures_bytes).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `arkecosystem-crypto`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/transactions/transaction.rs:125:25
[INFO] [stderr]     |
[INFO] [stderr] 125 |         buffer.write_u8(self.type_id.clone() as u8).unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.type_id`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/transaction.rs:130:31
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let recipient_id = if self.recipient_id.len() > 0 {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.recipient_id.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/transaction.rs:138:40
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let vendor_field: Vec<u8> = if self.vendor_field.len() > 0 {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.vendor_field.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/transactions/transaction.rs:162:32
[INFO] [stderr]     |
[INFO] [stderr] 162 |           let payload: Vec<u8> = match &self.asset {
[INFO] [stderr]     |  ________________________________^
[INFO] [stderr] 163 | |             &Asset::Signature { ref public_key } => hex::decode(&public_key).unwrap(),
[INFO] [stderr] 164 | |             &Asset::Delegate { ref username } => username.to_owned().as_bytes().to_vec(),
[INFO] [stderr] 165 | |             &Asset::Votes(ref votes) => votes.join("").as_bytes().to_vec(),
[INFO] [stderr] ...   |
[INFO] [stderr] 178 | |             _ => vec![],
[INFO] [stderr] 179 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let payload: Vec<u8> = match self.asset {
[INFO] [stderr] 163 |             Asset::Signature { ref public_key } => hex::decode(&public_key).unwrap(),
[INFO] [stderr] 164 |             Asset::Delegate { ref username } => username.to_owned().as_bytes().to_vec(),
[INFO] [stderr] 165 |             Asset::Votes(ref votes) => votes.join("").as_bytes().to_vec(),
[INFO] [stderr] 166 |             Asset::MultiSignatureRegistration {
[INFO] [stderr] 167 |                 min,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/transaction.rs:184:31
[INFO] [stderr]     |
[INFO] [stderr] 184 |         if !skip_signature && self.signature.len() > 0 {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/transactions/transaction.rs:189:38
[INFO] [stderr]     |
[INFO] [stderr] 189 |         if !skip_second_signature && self.second_signature.len() > 0 {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.second_signature.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `arkecosystem-crypto`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ca3041fad6c4786c0a4ce05963c7a863636aa822eff17066eb05ca13576a1145"`
[INFO] running `"docker" "rm" "-f" "ca3041fad6c4786c0a4ce05963c7a863636aa822eff17066eb05ca13576a1145"`
[INFO] [stdout] ca3041fad6c4786c0a4ce05963c7a863636aa822eff17066eb05ca13576a1145