[INFO] cloning repository https://github.com/ajazam/MQTTBroker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajazam/MQTTBroker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajazam%2FMQTTBroker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajazam%2FMQTTBroker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 416998b9beb736a59aa1739c58e5e3660207f951
[INFO] checking ajazam/MQTTBroker against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajazam%2FMQTTBroker" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ajazam/MQTTBroker
[INFO] finished tweaking git repo https://github.com/ajazam/MQTTBroker
[INFO] tweaked toml for git repo https://github.com/ajazam/MQTTBroker written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ajazam/MQTTBroker on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ajazam/MQTTBroker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1594fe2fcc38c59cc118f0571d6e879fe5046b9a82fc0cf540eb7c33eeb653eb
[INFO] running `Command { std: "docker" "start" "-a" "1594fe2fcc38c59cc118f0571d6e879fe5046b9a82fc0cf540eb7c33eeb653eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1594fe2fcc38c59cc118f0571d6e879fe5046b9a82fc0cf540eb7c33eeb653eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1594fe2fcc38c59cc118f0571d6e879fe5046b9a82fc0cf540eb7c33eeb653eb", kill_on_drop: false }`
[INFO] [stdout] 1594fe2fcc38c59cc118f0571d6e879fe5046b9a82fc0cf540eb7c33eeb653eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 977c1b6cbeb8dd1fdae59b7061e7a919c130ce7527d0f673e76e9aece0b2354a
[INFO] running `Command { std: "docker" "start" "-a" "977c1b6cbeb8dd1fdae59b7061e7a919c130ce7527d0f673e76e9aece0b2354a", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling syn v1.0.107
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[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling tracing-test-macro v0.2.4
[INFO] [stderr]     Checking thiserror v1.0.38
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking test-case v2.2.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
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[INFO] [stderr]     Checking mockall v0.11.3
[INFO] [stderr]     Checking deser v0.1.0 (/opt/rustwide/workdir/deser)
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
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[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> client/src/lib.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn connect(addr: String, user_name: String, password: String) -> Result<(), ClientError> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_name`
[INFO] [stdout]   --> client/src/lib.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn connect(addr: String, user_name: String, password: String) -> Result<(), ClientError> {
[INFO] [stdout]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `password`
[INFO] [stdout]   --> client/src/lib.rs:15:53
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn connect(addr: String, user_name: String, password: String) -> Result<(), ClientError> {
[INFO] [stdout]    |                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Client` is never constructed
[INFO] [stdout]  --> client/src/lib.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Client {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `connect` is never used
[INFO] [stdout]   --> client/src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Client {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn connect(addr: String, user_name: String, password: String) -> Result<(), ClientError> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> client/src/lib.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn connect(addr: String, user_name: String, password: String) -> Result<(), ClientError> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_name`
[INFO] [stdout]   --> client/src/lib.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn connect(addr: String, user_name: String, password: String) -> Result<(), ClientError> {
[INFO] [stdout]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `password`
[INFO] [stdout]   --> client/src/lib.rs:15:53
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn connect(addr: String, user_name: String, password: String) -> Result<(), ClientError> {
[INFO] [stdout]    |                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Client` is never constructed
[INFO] [stdout]  --> client/src/lib.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Client {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `connect` is never used
[INFO] [stdout]   --> client/src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Client {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn connect(addr: String, user_name: String, password: String) -> Result<(), ClientError> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`, `GeneratePacketParts`, and `encode_properties`
[INFO] [stdout]  --> deser/src/packets/publish/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     encode_properties, Decoder, Encoder, GeneratePacketParts, PacketTypes, Properties,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `Buf`, and `BytesMut`
[INFO] [stdout]  --> deser/src/packets/publish/mod.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |             ^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `decode_property`, `utf8_string`, and `varint`
[INFO] [stdout]   --> deser/src/packets/publish/mod.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 | use crate::decode::{decode_property, utf8_string, varint};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::encode::utf8_encoded_string`
[INFO] [stdout]   --> deser/src/packets/publish/mod.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use crate::encode::utf8_encoded_string;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PacketTypes`
[INFO] [stdout]    --> deser/src/lib.rs:123:31
[INFO] [stdout]     |
[INFO] [stdout] 123 | use crate::packets::{Decoder, PacketTypes};
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]    --> deser/src/decode/mod.rs:630:19
[INFO] [stdout]     |
[INFO] [stdout] 630 |     use tracing::{debug, event, info, span, trace, Level};
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`, `GeneratePacketParts`, and `encode_properties`
[INFO] [stdout]  --> deser/src/packets/publish/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     encode_properties, Decoder, Encoder, GeneratePacketParts, PacketTypes, Properties,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `Buf`, and `BytesMut`
[INFO] [stdout]  --> deser/src/packets/publish/mod.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |             ^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `decode_property`, `utf8_string`, and `varint`
[INFO] [stdout]   --> deser/src/packets/publish/mod.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 | use crate::decode::{decode_property, utf8_string, varint};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::encode::utf8_encoded_string`
[INFO] [stdout]   --> deser/src/packets/publish/mod.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use crate::encode::utf8_encoded_string;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pretty_hex`
[INFO] [stdout]    --> deser/src/packets/publish/mod.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |     use nu_pretty_hex::{pretty_hex, PrettyHex};
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PacketTypes`
[INFO] [stdout]    --> deser/src/lib.rs:123:31
[INFO] [stdout]     |
[INFO] [stdout] 123 | use crate::packets::{Decoder, PacketTypes};
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Properties`
[INFO] [stdout]  --> deser/src/packets/connack/mod.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::packets::{PacketTypes, Properties};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Properties`
[INFO] [stdout]  --> deser/src/packets/publish/mod.rs:6:76
[INFO] [stdout]   |
[INFO] [stdout] 6 |     encode_properties, Decoder, Encoder, GeneratePacketParts, PacketTypes, Properties,
[INFO] [stdout]   |                                                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Properties`
[INFO] [stdout]  --> deser/src/packets/suback/mod.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::packets::{PacketTypes, Properties};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_size`
[INFO] [stdout]   --> deser/src/packets/auth/deser.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let packet_size = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_size`
[INFO] [stdout]   --> deser/src/packets/connack/deser.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let packet_size = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_size`
[INFO] [stdout]   --> deser/src/packets/publish/deser.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let packet_size = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_length`
[INFO] [stdout]   --> deser/src/packets/unsuback/deser.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let remaining_length = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> deser/src/packets/mod.rs:260:37
[INFO] [stdout]     |
[INFO] [stdout] 260 |         fn user_property(&mut self, key: String) -> Option<&Vec<Utf8StringPair>> {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `variable_header_properties` is never read
[INFO] [stdout]     --> deser/src/packets/mod.rs:1093:46
[INFO] [stdout]      |
[INFO] [stdout] 1093 |         let mut variable_header_properties = self.variable_header_properties();
[INFO] [stdout]      |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking broker v0.1.0 (/opt/rustwide/workdir/broker)
[INFO] [stdout] warning: unused variable: `packet_type`
[INFO] [stdout]   --> deser/src/lib.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let packet_type = buf_copy.get_u8();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> deser/src/lib.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |             Err(e) => break,
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `control_packet_to_frames` is never used
[INFO] [stdout]   --> deser/src/lib.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | async fn control_packet_to_frames(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bytes_to_control_packets` is never used
[INFO] [stdout]    --> deser/src/lib.rs:125:10
[INFO] [stdout]     |
[INFO] [stdout] 125 | async fn bytes_to_control_packets(
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_two_byte_integer` is never used
[INFO] [stdout]   --> deser/src/encode/mod.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn encode_two_byte_integer(name: &str, i: TwoByteInteger, b: &mut BytesMut) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_four_byte_integer` is never used
[INFO] [stdout]   --> deser/src/encode/mod.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn encode_four_byte_integer(name: &str, i: FourByteInteger, b: &mut BytesMut) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AuthBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/auth/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct AuthBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_reason_code` is never used
[INFO] [stdout]   --> deser/src/packets/auth/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl AuthBuilder {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 13 |     pub fn set_reason_code(mut self, reason_code: AUTH) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConnAckBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/connack/builder.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ConnAckBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_session_present` and `set_connect_reason_code` are never used
[INFO] [stdout]   --> deser/src/packets/connack/builder.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ConnAckBuilder {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 14 |     pub fn set_session_present(mut self, session_present: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn set_connect_reason_code(mut self, reason_code: CONNECTACK) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `will_topic` and `will_payload` are never used
[INFO] [stdout]   --> deser/src/packets/connect/builder.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl ConnectBuilder {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn will_topic(mut self, topic: String) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     fn will_payload(mut self, will_payload: Vec<u8>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `client_id_correctly_formatted` is never used
[INFO] [stdout]  --> deser/src/packets/connect/validation.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn client_id_correctly_formatted(str: String) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `will_properties_are_valid` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn will_properties_are_valid(connect_packet: &Connect) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_will_flag_not_set_and_will_properties_set_error` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn is_will_flag_not_set_and_will_properties_set_error(connect_packet: &Connect) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_will_flag_set_and_will_topic_is_empty_error` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn is_will_flag_set_and_will_topic_is_empty_error(connect_packet: &Connect) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_will_flag_set_and_will_payload_is_empty_error` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn is_will_flag_set_and_will_payload_is_empty_error(connect_packet: &Connect) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_will_flag_not_set_and_qos_not_0_error` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn is_will_flag_not_set_and_qos_not_0_error(connect_packet: &Connect) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisconnectBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/disconnect/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct DisconnectBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_reason_code` is never used
[INFO] [stdout]   --> deser/src/packets/disconnect/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl DisconnectBuilder {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 13 |     pub fn set_reason_code(mut self, reason_code: DISCONNECT) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PingReqBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/pingreq/builder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PingReqBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PingRespBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/pingresp/builder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PingRespBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PubAckBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/puback/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PubAckBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stdout]   --> deser/src/packets/puback/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl PubAckBuilder {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_reason_code(mut self, reason_code: PUBACK) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PubCompBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/pubcomp/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PubCompBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stdout]   --> deser/src/packets/pubcomp/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl PubCompBuilder {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_reason_code(mut self, reason_codes: PUBCOMP) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PublishBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/publish/builder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PublishBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_topic_with_payload`, `set_qos_only`, and `set_qos` are never used
[INFO] [stdout]   --> deser/src/packets/publish/builder.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl PublishBuilder {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn set_topic_with_payload(mut self, topic_name: String, payload: Option<Vec<u8>>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn set_qos_only(mut self, qos: u8, packet_id: Option<u16>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn set_qos(self, qos: Qos) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_qos_and_packet_id_valid` is never used
[INFO] [stdout]  --> deser/src/packets/publish/validation.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn is_qos_and_packet_id_valid(s: &PublishBuilder) -> Result<(), PublishError> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_dup_valid` is never used
[INFO] [stdout]   --> deser/src/packets/publish/validation.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn is_dup_valid(s: &PublishBuilder) -> Result<(), PublishError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_both_qos_bits_set` is never used
[INFO] [stdout]   --> deser/src/packets/publish/validation.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn is_both_qos_bits_set(s: &PublishBuilder) -> Result<(), PublishError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_topic_name_present` is never used
[INFO] [stdout]   --> deser/src/packets/publish/validation.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn is_topic_name_present(s: &PublishBuilder) -> Result<(), PublishError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validation_checks` is never used
[INFO] [stdout]   --> deser/src/packets/publish/validation.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn validation_checks(s: &PublishBuilder) -> Result<(), Vec<PublishError>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PubRecBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/pubrec/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PubRecBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stdout]   --> deser/src/packets/pubrec/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl PubRecBuilder {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_reason_code(mut self, reason_code: PUBREC) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PubRelBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/pubrel/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PubRelBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stdout]   --> deser/src/packets/pubrel/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl PubRelBuilder {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_reason_code(mut self, reason_code: PUBREL) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubAckBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/suback/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct SubAckBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stdout]   --> deser/src/packets/suback/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl SubAckBuilder {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn set_reason_code(mut self, reason_code: Vec<SUBACK>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubscribeBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/subscribe/builder.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SubscribeBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_topic_filter` are never used
[INFO] [stdout]   --> deser/src/packets/subscribe/builder.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl SubscribeBuilder {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 14 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_topic_filter(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubscriptionOptionsBuilder` is never constructed
[INFO] [stdout]   --> deser/src/packets/subscribe/builder.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct SubscriptionOptionsBuilder {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_qos`, `set_no_local`, `set_retain_as_published`, and `set_retain_handling_option` are never used
[INFO] [stdout]   --> deser/src/packets/subscribe/builder.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl SubscriptionOptionsBuilder {
[INFO] [stdout]    | ------------------------------- methods in this implementation
[INFO] [stdout] 62 |     pub fn set_qos(mut self, qos: QOS) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn set_no_local(mut self, set: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn set_retain_as_published(mut self, set: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn set_retain_handling_option(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnSubAckBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/unsuback/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct UnSubAckBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_topic_filters` are never used
[INFO] [stdout]   --> deser/src/packets/unsuback/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl UnSubAckBuilder {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_topic_filters(mut self, topic_filter: Vec<UNSUBACK>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsubscribeBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/unsubscribe/builder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct UnsubscribeBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_topic_filters` are never used
[INFO] [stdout]   --> deser/src/packets/unsubscribe/builder.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl UnsubscribeBuilder {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] 12 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn set_topic_filters(mut self, topic_filters: Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UserProperty` is never used
[INFO] [stdout]    --> deser/src/packets/mod.rs:248:11
[INFO] [stdout]     |
[INFO] [stdout] 248 |     trait UserProperty: ModifyProperties {
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `packet_identifier_present` is never used
[INFO] [stdout]    --> deser/src/properties.rs:501:4
[INFO] [stdout]     |
[INFO] [stdout] 501 | fn packet_identifier_present(mqtt_control_packet: PacketTypes, qos: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `deser::ControlPacket`
[INFO] [stdout]   --> broker/src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     use deser::ControlPacket;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> broker/src/lib.rs:53:14
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (tx, mut rx) = mpsc::channel::<BytesMut>(32);
[INFO] [stdout]    |              ----^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> broker/src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         addr: String,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> broker/src/lib.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (tx, mut rx) = mpsc::channel::<BytesMut>(32);
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> broker/src/lib.rs:53:14
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (tx, mut rx) = mpsc::channel::<BytesMut>(32);
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sender_receiver_factory` is never used
[INFO] [stdout]   --> broker/src/lib.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub async fn sender_receiver_factory(
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `should_return_rx_tx_channels_for_a_new_client_connection` is never used
[INFO] [stdout]    --> broker/src/lib.rs:101:18
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub async fn should_return_rx_tx_channels_for_a_new_client_connection() {}
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `deser::ControlPacket`
[INFO] [stdout]   --> broker/src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     use deser::ControlPacket;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> broker/src/lib.rs:53:14
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (tx, mut rx) = mpsc::channel::<BytesMut>(32);
[INFO] [stdout]    |              ----^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> broker/src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         addr: String,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> broker/src/lib.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (tx, mut rx) = mpsc::channel::<BytesMut>(32);
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> broker/src/lib.rs:53:14
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (tx, mut rx) = mpsc::channel::<BytesMut>(32);
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sender_receiver_factory` is never used
[INFO] [stdout]   --> broker/src/lib.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub async fn sender_receiver_factory(
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `MQTTBroker` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `mqttbroker`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`, `GeneratePacketParts`, and `encode_properties`
[INFO] [stdout]  --> deser/src/packets/publish/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     encode_properties, Decoder, Encoder, GeneratePacketParts, PacketTypes, Properties,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `Buf`, and `BytesMut`
[INFO] [stdout]  --> deser/src/packets/publish/mod.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |             ^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `decode_property`, `utf8_string`, and `varint`
[INFO] [stdout]   --> deser/src/packets/publish/mod.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 | use crate::decode::{decode_property, utf8_string, varint};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::encode::utf8_encoded_string`
[INFO] [stdout]   --> deser/src/packets/publish/mod.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use crate::encode::utf8_encoded_string;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> deser/src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> deser/src/main.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tracing::{debug, event, span, trace, Level};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> broker/tests/integration_test.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         to_mqtt_client_sender.send(to_send).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let _ = to_mqtt_client_sender.send(to_send).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> broker/tests/integration_test.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         stream.read_buf(&mut received).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let _ = stream.read_buf(&mut received).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]    --> deser/src/decode/mod.rs:630:19
[INFO] [stdout]     |
[INFO] [stdout] 630 |     use tracing::{debug, event, info, span, trace, Level};
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`, `GeneratePacketParts`, and `encode_properties`
[INFO] [stdout]  --> deser/src/packets/publish/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     encode_properties, Decoder, Encoder, GeneratePacketParts, PacketTypes, Properties,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `Buf`, and `BytesMut`
[INFO] [stdout]  --> deser/src/packets/publish/mod.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |             ^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `decode_property`, `utf8_string`, and `varint`
[INFO] [stdout]   --> deser/src/packets/publish/mod.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 | use crate::decode::{decode_property, utf8_string, varint};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::encode::utf8_encoded_string`
[INFO] [stdout]   --> deser/src/packets/publish/mod.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use crate::encode::utf8_encoded_string;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pretty_hex`
[INFO] [stdout]    --> deser/src/packets/publish/mod.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |     use nu_pretty_hex::{pretty_hex, PrettyHex};
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> deser/src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> deser/src/main.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tracing::{debug, event, span, trace, Level};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Properties`
[INFO] [stdout]  --> deser/src/packets/connack/mod.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::packets::{PacketTypes, Properties};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodeReasonCode`
[INFO] [stdout]   --> deser/src/packets/pubcomp/mod.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use crate::packets::reason_codes::{DecodeReasonCode, PUBCOMP};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Properties`
[INFO] [stdout]  --> deser/src/packets/publish/mod.rs:6:76
[INFO] [stdout]   |
[INFO] [stdout] 6 |     encode_properties, Decoder, Encoder, GeneratePacketParts, PacketTypes, Properties,
[INFO] [stdout]   |                                                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Properties`
[INFO] [stdout]  --> deser/src/packets/suback/mod.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::packets::{PacketTypes, Properties};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]    --> deser/src/decode/mod.rs:747:13
[INFO] [stdout]     |
[INFO] [stdout] 747 |         let decoded = decode::utf8_string(name, b).unwrap();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ignore`
[INFO] [stdout]    --> deser/src/decode/mod.rs:853:13
[INFO] [stdout]     |
[INFO] [stdout] 853 |         let ignore = decode_utf8_string_pair(String::from("property name"), b).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ignore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]     --> deser/src/decode/mod.rs:1625:13
[INFO] [stdout]      |
[INFO] [stdout] 1625 |         let key = b"Hello";
[INFO] [stdout]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]     --> deser/src/decode/mod.rs:1626:13
[INFO] [stdout]      |
[INFO] [stdout] 1626 |         let value = b"World";
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]     --> deser/src/decode/mod.rs:1682:13
[INFO] [stdout]      |
[INFO] [stdout] 1682 |         let span = span!(Level::TRACE, "my first span");
[INFO] [stdout]      |             ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Properties`
[INFO] [stdout]  --> deser/src/packets/connack/mod.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::packets::{PacketTypes, Properties};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Properties`
[INFO] [stdout]  --> deser/src/packets/publish/mod.rs:6:76
[INFO] [stdout]   |
[INFO] [stdout] 6 |     encode_properties, Decoder, Encoder, GeneratePacketParts, PacketTypes, Properties,
[INFO] [stdout]   |                                                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Properties`
[INFO] [stdout]  --> deser/src/packets/suback/mod.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::packets::{PacketTypes, Properties};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> deser/src/net/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let n = match socket.read(&mut buf).await {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> deser/src/net/mod.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let res = original_packet.will_message(&vec![], "topic".to_string(), vec![1, 2, 3, 4]);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_size`
[INFO] [stdout]   --> deser/src/packets/auth/deser.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let packet_size = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_size`
[INFO] [stdout]   --> deser/src/packets/auth/deser.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let packet_size = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_size`
[INFO] [stdout]   --> deser/src/packets/connack/deser.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let packet_size = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_size`
[INFO] [stdout]   --> deser/src/packets/connack/deser.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let packet_size = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> deser/src/packets/connack/mod.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let res = packet_builder.set_properties(&props);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_size`
[INFO] [stdout]   --> deser/src/packets/publish/deser.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let packet_size = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_length`
[INFO] [stdout]   --> deser/src/packets/unsuback/deser.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let remaining_length = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_type`
[INFO] [stdout]    --> deser/src/packets/connect/mod.rs:133:66
[INFO] [stdout]     |
[INFO] [stdout] 133 |         if let Err(PropertyError::InvalidProperty(invalid_props, packet_type)) = res {
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> deser/src/packets/connect/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let res = original_packet.will_message(&vec![], "topic".to_string(), vec![1, 2, 3, 4]);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> deser/src/packets/mod.rs:260:37
[INFO] [stdout]     |
[INFO] [stdout] 260 |         fn user_property(&mut self, key: String) -> Option<&Vec<Utf8StringPair>> {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_size`
[INFO] [stdout]   --> deser/src/packets/publish/deser.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let packet_size = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> deser/src/packets/publish/mod.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let res = packet_builder.set_properties(&props);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `variable_header_properties` is never read
[INFO] [stdout]     --> deser/src/packets/mod.rs:1093:46
[INFO] [stdout]      |
[INFO] [stdout] 1093 |         let mut variable_header_properties = self.variable_header_properties();
[INFO] [stdout]      |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `props`
[INFO] [stdout]    --> deser/src/packets/subscribe/mod.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let props = vec![Property::SubscriptionIdentifier(VariableByteInteger(100))];
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_props`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_length`
[INFO] [stdout]   --> deser/src/packets/unsuback/deser.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let remaining_length = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> deser/src/packets/mod.rs:260:37
[INFO] [stdout]     |
[INFO] [stdout] 260 |         fn user_property(&mut self, key: String) -> Option<&Vec<Utf8StringPair>> {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> deser/src/packets/mod.rs:534:17
[INFO] [stdout]     |
[INFO] [stdout] 534 |             let mut user_property: PublishProperties = Default::default();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_property`
[INFO] [stdout]    --> deser/src/packets/mod.rs:534:17
[INFO] [stdout]     |
[INFO] [stdout] 534 |             let mut user_property: PublishProperties = Default::default();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_property`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> deser/src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let b = BytesMut::with_capacity(100);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]   --> deser/src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let v1 = b1.get_u8();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]   --> deser/src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let v2 = b1.get_u8();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `variable_header_properties` is never read
[INFO] [stdout]     --> deser/src/packets/mod.rs:1093:46
[INFO] [stdout]      |
[INFO] [stdout] 1093 |         let mut variable_header_properties = self.variable_header_properties();
[INFO] [stdout]      |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PayLoad` is never used
[INFO] [stdout]    --> deser/src/decode/mod.rs:124:10
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub enum PayLoad {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_byte_integer` is never used
[INFO] [stdout]    --> deser/src/decode/mod.rs:317:8
[INFO] [stdout]     |
[INFO] [stdout] 317 | pub fn two_byte_integer(name: String, b: &mut BytesMut) -> Result<TwoByteInteger, DecodeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `four_byte_integer` is never used
[INFO] [stdout]    --> deser/src/decode/mod.rs:325:8
[INFO] [stdout]     |
[INFO] [stdout] 325 | pub fn four_byte_integer(name: String, b: &mut BytesMut) -> Result<FourByteInteger, DecodeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_two_byte_integer` is never used
[INFO] [stdout]   --> deser/src/encode/mod.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn encode_two_byte_integer(name: &str, i: TwoByteInteger, b: &mut BytesMut) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_four_byte_integer` is never used
[INFO] [stdout]   --> deser/src/encode/mod.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn encode_four_byte_integer(name: &str, i: FourByteInteger, b: &mut BytesMut) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binary_data` is never used
[INFO] [stdout]   --> deser/src/encode/mod.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn binary_data(name: &str, binary_data: &BytesMut, buffer: &mut BytesMut) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `utf8_string_pair` is never used
[INFO] [stdout]   --> deser/src/encode/mod.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn utf8_string_pair(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AuthBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/auth/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct AuthBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_reason_code` is never used
[INFO] [stdout]   --> deser/src/packets/auth/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl AuthBuilder {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 13 |     pub fn set_reason_code(mut self, reason_code: AUTH) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConnAckBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/connack/builder.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ConnAckBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_session_present` and `set_connect_reason_code` are never used
[INFO] [stdout]   --> deser/src/packets/connack/builder.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ConnAckBuilder {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 14 |     pub fn set_session_present(mut self, session_present: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn set_connect_reason_code(mut self, reason_code: CONNECTACK) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `will_topic` and `will_payload` are never used
[INFO] [stdout]   --> deser/src/packets/connect/builder.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl ConnectBuilder {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn will_topic(mut self, topic: String) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     fn will_payload(mut self, will_payload: Vec<u8>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `client_id_correctly_formatted` is never used
[INFO] [stdout]  --> deser/src/packets/connect/validation.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn client_id_correctly_formatted(str: String) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `will_properties_are_valid` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn will_properties_are_valid(connect_packet: &Connect) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_will_flag_not_set_and_will_properties_set_error` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn is_will_flag_not_set_and_will_properties_set_error(connect_packet: &Connect) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_will_flag_set_and_will_topic_is_empty_error` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn is_will_flag_set_and_will_topic_is_empty_error(connect_packet: &Connect) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_will_flag_set_and_will_payload_is_empty_error` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn is_will_flag_set_and_will_payload_is_empty_error(connect_packet: &Connect) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_will_flag_not_set_and_qos_not_0_error` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn is_will_flag_not_set_and_qos_not_0_error(connect_packet: &Connect) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisconnectBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/disconnect/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct DisconnectBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_reason_code` is never used
[INFO] [stdout]   --> deser/src/packets/disconnect/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl DisconnectBuilder {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 13 |     pub fn set_reason_code(mut self, reason_code: DISCONNECT) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_type`
[INFO] [stdout]   --> deser/src/lib.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let packet_type = buf_copy.get_u8();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PingReqBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/pingreq/builder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PingReqBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> deser/src/lib.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |             Err(e) => break,
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PingRespBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/pingresp/builder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PingRespBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PubAckBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/puback/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PubAckBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stdout]   --> deser/src/packets/puback/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl PubAckBuilder {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_reason_code(mut self, reason_code: PUBACK) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PubCompBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/pubcomp/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PubCompBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stdout]   --> deser/src/packets/pubcomp/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl PubCompBuilder {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_reason_code(mut self, reason_codes: PUBCOMP) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PublishBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/publish/builder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PublishBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_topic_with_payload`, `set_qos_only`, and `set_qos` are never used
[INFO] [stdout]   --> deser/src/packets/publish/builder.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl PublishBuilder {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn set_topic_with_payload(mut self, topic_name: String, payload: Option<Vec<u8>>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn set_qos_only(mut self, qos: u8, packet_id: Option<u16>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn set_qos(self, qos: Qos) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_qos_and_packet_id_valid` is never used
[INFO] [stdout]  --> deser/src/packets/publish/validation.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn is_qos_and_packet_id_valid(s: &PublishBuilder) -> Result<(), PublishError> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_dup_valid` is never used
[INFO] [stdout]   --> deser/src/packets/publish/validation.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn is_dup_valid(s: &PublishBuilder) -> Result<(), PublishError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_both_qos_bits_set` is never used
[INFO] [stdout]   --> deser/src/packets/publish/validation.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn is_both_qos_bits_set(s: &PublishBuilder) -> Result<(), PublishError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_topic_name_present` is never used
[INFO] [stdout]   --> deser/src/packets/publish/validation.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn is_topic_name_present(s: &PublishBuilder) -> Result<(), PublishError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validation_checks` is never used
[INFO] [stdout]   --> deser/src/packets/publish/validation.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn validation_checks(s: &PublishBuilder) -> Result<(), Vec<PublishError>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PubRecBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/pubrec/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PubRecBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stdout]   --> deser/src/packets/pubrec/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl PubRecBuilder {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_reason_code(mut self, reason_code: PUBREC) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PubRelBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/pubrel/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PubRelBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stdout]   --> deser/src/packets/pubrel/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl PubRelBuilder {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_reason_code(mut self, reason_code: PUBREL) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubAckBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/suback/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct SubAckBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stdout]   --> deser/src/packets/suback/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl SubAckBuilder {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn set_reason_code(mut self, reason_code: Vec<SUBACK>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubscribeBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/subscribe/builder.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SubscribeBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_topic_filter` are never used
[INFO] [stdout]   --> deser/src/packets/subscribe/builder.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl SubscribeBuilder {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 14 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_topic_filter(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubscriptionOptionsBuilder` is never constructed
[INFO] [stdout]   --> deser/src/packets/subscribe/builder.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct SubscriptionOptionsBuilder {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_qos`, `set_no_local`, `set_retain_as_published`, and `set_retain_handling_option` are never used
[INFO] [stdout]   --> deser/src/packets/subscribe/builder.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl SubscriptionOptionsBuilder {
[INFO] [stdout]    | ------------------------------- methods in this implementation
[INFO] [stdout] 62 |     pub fn set_qos(mut self, qos: QOS) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn set_no_local(mut self, set: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn set_retain_as_published(mut self, set: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn set_retain_handling_option(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnSubAckBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/unsuback/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct UnSubAckBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_topic_filters` are never used
[INFO] [stdout]   --> deser/src/packets/unsuback/builder.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl UnSubAckBuilder {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_topic_filters(mut self, topic_filter: Vec<UNSUBACK>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsubscribeBuilder` is never constructed
[INFO] [stdout]  --> deser/src/packets/unsubscribe/builder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct UnsubscribeBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_packet_id` and `set_topic_filters` are never used
[INFO] [stdout]   --> deser/src/packets/unsubscribe/builder.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl UnsubscribeBuilder {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] 12 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn set_topic_filters(mut self, topic_filters: Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UserProperty` is never used
[INFO] [stdout]    --> deser/src/packets/mod.rs:248:11
[INFO] [stdout]     |
[INFO] [stdout] 248 |     trait UserProperty: ModifyProperties {
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `packet_identifier_present` is never used
[INFO] [stdout]    --> deser/src/properties.rs:501:4
[INFO] [stdout]     |
[INFO] [stdout] 501 | fn packet_identifier_present(mqtt_control_packet: PacketTypes, qos: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `received`
[INFO] [stdout]    --> deser/src/lib.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |         let received = control_packet_bytes_receiver.recv().await;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_received`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `props`
[INFO] [stdout]    --> deser/src/lib.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let props: Vec<Property> = vec![];
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_props`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> deser/src/lib.rs:328:13
[INFO] [stdout]     |
[INFO] [stdout] 328 |         let res = original_packet.will_message(&vec![], "topic".to_string(), vec![1, 2, 3, 4]);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `control_packet_to_frames` is never used
[INFO] [stdout]   --> deser/src/lib.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | async fn control_packet_to_frames(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `session_expiry_interval` is never used
[INFO] [stdout]    --> deser/src/decode/mod.rs:661:8
[INFO] [stdout]     |
[INFO] [stdout] 661 |     fn session_expiry_interval(value: u32, buf: &mut BytesMut) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assigned_client_identifier` is never used
[INFO] [stdout]    --> deser/src/decode/mod.rs:666:8
[INFO] [stdout]     |
[INFO] [stdout] 666 |     fn assigned_client_identifier(value: &str, buf: &mut BytesMut) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `user_property` is never used
[INFO] [stdout]    --> deser/src/decode/mod.rs:671:8
[INFO] [stdout]     |
[INFO] [stdout] 671 |     fn user_property(key: &str, value: &str, buf: &mut BytesMut) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_two_byte_integer` is never used
[INFO] [stdout]   --> deser/src/encode/mod.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn encode_two_byte_integer(name: &str, i: TwoByteInteger, b: &mut BytesMut) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_four_byte_integer` is never used
[INFO] [stdout]   --> deser/src/encode/mod.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn encode_four_byte_integer(name: &str, i: FourByteInteger, b: &mut BytesMut) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `will_topic` and `will_payload` are never used
[INFO] [stdout]   --> deser/src/packets/connect/builder.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl ConnectBuilder {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn will_topic(mut self, topic: String) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     fn will_payload(mut self, will_payload: Vec<u8>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `will_properties_are_valid` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn will_properties_are_valid(connect_packet: &Connect) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_will_flag_not_set_and_qos_not_0_error` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn is_will_flag_not_set_and_qos_not_0_error(connect_packet: &Connect) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_retain_as_published` is never used
[INFO] [stdout]   --> deser/src/packets/subscribe/builder.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl SubscriptionOptionsBuilder {
[INFO] [stdout]    | ------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn set_retain_as_published(mut self, set: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_topic_filters` is never used
[INFO] [stdout]   --> deser/src/packets/unsubscribe/builder.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl UnsubscribeBuilder {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn set_topic_filters(mut self, topic_filters: Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UserProperty` is never used
[INFO] [stdout]    --> deser/src/packets/mod.rs:248:11
[INFO] [stdout]     |
[INFO] [stdout] 248 |     trait UserProperty: ModifyProperties {
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `packet_identifier_present` is never used
[INFO] [stdout]    --> deser/src/properties.rs:501:4
[INFO] [stdout]     |
[INFO] [stdout] 501 | fn packet_identifier_present(mqtt_control_packet: PacketTypes, qos: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:633:53
[INFO] [stdout]     |
[INFO] [stdout] 633 |         buf.put_u8(Property::PayloadFormatIndicator as u8);
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 633 |         buf.put_u8(Property::PayloadFormatIndicator as *const () as u8);
[INFO] [stdout]     |                                                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:638:52
[INFO] [stdout]     |
[INFO] [stdout] 638 |         buf.put_u8(Property::MessageExpiryInterval as u8);
[INFO] [stdout]     |                                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 638 |         buf.put_u8(Property::MessageExpiryInterval as *const () as u8);
[INFO] [stdout]     |                                                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:643:42
[INFO] [stdout]     |
[INFO] [stdout] 643 |         buf.put_u8(Property::ContentType as u8);
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 643 |         buf.put_u8(Property::ContentType as *const () as u8);
[INFO] [stdout]     |                                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:648:46
[INFO] [stdout]     |
[INFO] [stdout] 648 |         buf.put_u8(Property::CorrelationData as u8);
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 648 |         buf.put_u8(Property::CorrelationData as *const () as u8);
[INFO] [stdout]     |                                              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:653:53
[INFO] [stdout]     |
[INFO] [stdout] 653 |         buf.put_u8(Property::SubscriptionIdentifier as u8);
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 653 |         buf.put_u8(Property::SubscriptionIdentifier as *const () as u8);
[INFO] [stdout]     |                                                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:662:52
[INFO] [stdout]     |
[INFO] [stdout] 662 |         buf.put_u8(Property::SessionExpiryInterval as u8);
[INFO] [stdout]     |                                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 662 |         buf.put_u8(Property::SessionExpiryInterval as *const () as u8);
[INFO] [stdout]     |                                                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:667:55
[INFO] [stdout]     |
[INFO] [stdout] 667 |         buf.put_u8(Property::AssignedClientIdentifier as u8);
[INFO] [stdout]     |                                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 667 |         buf.put_u8(Property::AssignedClientIdentifier as *const () as u8);
[INFO] [stdout]     |                                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:672:35
[INFO] [stdout]     |
[INFO] [stdout] 672 |         buf.put_u8(Property::User as u8);
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 672 |         buf.put_u8(Property::User as *const () as u8);
[INFO] [stdout]     |                                   ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:998:56
[INFO] [stdout]     |
[INFO] [stdout] 998 |         b_prop.put_u8(Property::PayloadFormatIndicator as u8); // property identifier
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 998 |         b_prop.put_u8(Property::PayloadFormatIndicator as *const () as u8); // property identifier
[INFO] [stdout]     |                                                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1016:9
[INFO] [stdout]      |
[INFO] [stdout] 1016 | /         variable_byte_integer(
[INFO] [stdout] 1017 | |             "property size",
[INFO] [stdout] 1018 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1019 | |             &mut b,
[INFO] [stdout] 1020 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1016 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1033:56
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         b_prop.put_u8(Property::PayloadFormatIndicator as u8); // property identifier, Payload format indicator
[INFO] [stdout]      |                                                        ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         b_prop.put_u8(Property::PayloadFormatIndicator as *const () as u8); // property identifier, Payload format indicator
[INFO] [stdout]      |                                                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1036:9
[INFO] [stdout]      |
[INFO] [stdout] 1036 | /         variable_byte_integer(
[INFO] [stdout] 1037 | |             "property size",
[INFO] [stdout] 1038 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1039 | |             &mut b,
[INFO] [stdout] 1040 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1036 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1053:56
[INFO] [stdout]      |
[INFO] [stdout] 1053 |         b_prop.put_u8(Property::PayloadFormatIndicator as u8); // property identifier, Payload format indicator
[INFO] [stdout]      |                                                        ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1053 |         b_prop.put_u8(Property::PayloadFormatIndicator as *const () as u8); // property identifier, Payload format indicator
[INFO] [stdout]      |                                                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1056:56
[INFO] [stdout]      |
[INFO] [stdout] 1056 |         b_prop.put_u8(Property::PayloadFormatIndicator as u8); // property identifier, Payload format indicator
[INFO] [stdout]      |                                                        ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1056 |         b_prop.put_u8(Property::PayloadFormatIndicator as *const () as u8); // property identifier, Payload format indicator
[INFO] [stdout]      |                                                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1059:9
[INFO] [stdout]      |
[INFO] [stdout] 1059 | /         variable_byte_integer(
[INFO] [stdout] 1060 | |             "property size",
[INFO] [stdout] 1061 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1062 | |             &mut b,
[INFO] [stdout] 1063 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1059 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1088:9
[INFO] [stdout]      |
[INFO] [stdout] 1088 |         subscription_identifier(1, &mut b_prop);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1088 |         let _ = subscription_identifier(1, &mut b_prop);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1091:9
[INFO] [stdout]      |
[INFO] [stdout] 1091 | /         variable_byte_integer(
[INFO] [stdout] 1092 | |             "property size",
[INFO] [stdout] 1093 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1094 | |             &mut b,
[INFO] [stdout] 1095 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1091 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1118:9
[INFO] [stdout]      |
[INFO] [stdout] 1118 |         subscription_identifier(12345, &mut b_prop);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1118 |         let _ = subscription_identifier(12345, &mut b_prop);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1126:9
[INFO] [stdout]      |
[INFO] [stdout] 1126 | /         variable_byte_integer(
[INFO] [stdout] 1127 | |             "property size",
[INFO] [stdout] 1128 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1129 | |             &mut b,
[INFO] [stdout] 1130 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1126 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1478:9
[INFO] [stdout]      |
[INFO] [stdout] 1478 | /         variable_byte_integer(
[INFO] [stdout] 1479 | |             "property size",
[INFO] [stdout] 1480 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1481 | |             &mut b,
[INFO] [stdout] 1482 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1478 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1498:45
[INFO] [stdout]      |
[INFO] [stdout] 1498 |         b_prop.put_u8(Property::ContentType as u8); // property identifier, UTF-8 Encoded String
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1498 |         b_prop.put_u8(Property::ContentType as *const () as u8); // property identifier, UTF-8 Encoded String
[INFO] [stdout]      |                                             ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1503:9
[INFO] [stdout]      |
[INFO] [stdout] 1503 | /         variable_byte_integer(
[INFO] [stdout] 1504 | |             "property size",
[INFO] [stdout] 1505 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1506 | |             &mut b,
[INFO] [stdout] 1507 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1503 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1526:49
[INFO] [stdout]      |
[INFO] [stdout] 1526 |         b_prop.put_u8(Property::CorrelationData as u8);
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1526 |         b_prop.put_u8(Property::CorrelationData as *const () as u8);
[INFO] [stdout]      |                                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1529:9
[INFO] [stdout]      |
[INFO] [stdout] 1529 | /         variable_byte_integer(
[INFO] [stdout] 1530 | |             "property size",
[INFO] [stdout] 1531 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1532 | |             &mut b,
[INFO] [stdout] 1533 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1529 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1550:56
[INFO] [stdout]      |
[INFO] [stdout] 1550 |         b_prop.put_u8(Property::SubscriptionIdentifier as u8);
[INFO] [stdout]      |                                                        ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1550 |         b_prop.put_u8(Property::SubscriptionIdentifier as *const () as u8);
[INFO] [stdout]      |                                                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1551:9
[INFO] [stdout]      |
[INFO] [stdout] 1551 | /         variable_byte_integer(
[INFO] [stdout] 1552 | |             "property size",
[INFO] [stdout] 1553 | |             &VariableByteInteger::new(b_integer),
[INFO] [stdout] 1554 | |             &mut b_prop,
[INFO] [stdout] 1555 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1551 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1557:9
[INFO] [stdout]      |
[INFO] [stdout] 1557 | /         variable_byte_integer(
[INFO] [stdout] 1558 | |             "property size",
[INFO] [stdout] 1559 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1560 | |             &mut b,
[INFO] [stdout] 1561 | |         ); // size of property
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1557 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1581:55
[INFO] [stdout]      |
[INFO] [stdout] 1581 |         b_prop.put_u8(Property::SessionExpiryInterval as u8);
[INFO] [stdout]      |                                                       ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1581 |         b_prop.put_u8(Property::SessionExpiryInterval as *const () as u8);
[INFO] [stdout]      |                                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1583:9
[INFO] [stdout]      |
[INFO] [stdout] 1583 | /         variable_byte_integer(
[INFO] [stdout] 1584 | |             "property size",
[INFO] [stdout] 1585 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1586 | |             &mut b,
[INFO] [stdout] 1587 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1583 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1605:49
[INFO] [stdout]      |
[INFO] [stdout] 1605 |         b_prop.put_u8(Property::ServerKeepAlive as u8);
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1605 |         b_prop.put_u8(Property::ServerKeepAlive as *const () as u8);
[INFO] [stdout]      |                                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1608:9
[INFO] [stdout]      |
[INFO] [stdout] 1608 | /         variable_byte_integer(
[INFO] [stdout] 1609 | |             "property size",
[INFO] [stdout] 1610 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1611 | |             &mut b,
[INFO] [stdout] 1612 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1608 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1628:38
[INFO] [stdout]      |
[INFO] [stdout] 1628 |         b_prop.put_u8(Property::User as u8);
[INFO] [stdout]      |                                      ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1628 |         b_prop.put_u8(Property::User as *const () as u8);
[INFO] [stdout]      |                                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1636:9
[INFO] [stdout]      |
[INFO] [stdout] 1636 | /         variable_byte_integer(
[INFO] [stdout] 1637 | |             "property size",
[INFO] [stdout] 1638 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1639 | |             &mut b,
[INFO] [stdout] 1640 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1636 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> deser/src/net/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         original_packet.set_properties(&props);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let _ = original_packet.set_properties(&props);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> deser/src/packets/connect/mod.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         original_packet.set_properties(&props);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let _ = original_packet.set_properties(&props);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> deser/src/lib.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |             bytes_to_control_packets(rx, control_packet_bytes_sender).await;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let _ = bytes_to_control_packets(rx, control_packet_bytes_sender).await;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> deser/src/lib.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |         tx.send(BytesMut::from(bytes.as_slice())).await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let _ = tx.send(BytesMut::from(bytes.as_slice())).await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> deser/src/lib.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         tracing::subscriber::set_global_default(subscriber);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let _ = tracing::subscriber::set_global_default(subscriber);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> deser/src/lib.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 | /         control_packet_to_bytes_sender
[INFO] [stdout] 301 | |             .send(ControlPacket::Connect(original_packet.clone()))
[INFO] [stdout] 302 | |             .await;
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let _ = control_packet_to_bytes_sender
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Properties`
[INFO] [stdout]  --> deser/src/packets/connack/mod.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::packets::{PacketTypes, Properties};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodeReasonCode`
[INFO] [stdout]   --> deser/src/packets/pubcomp/mod.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use crate::packets::reason_codes::{DecodeReasonCode, PUBCOMP};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Properties`
[INFO] [stdout]  --> deser/src/packets/publish/mod.rs:6:76
[INFO] [stdout]   |
[INFO] [stdout] 6 |     encode_properties, Decoder, Encoder, GeneratePacketParts, PacketTypes, Properties,
[INFO] [stdout]   |                                                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Properties`
[INFO] [stdout]  --> deser/src/packets/suback/mod.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::packets::{PacketTypes, Properties};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]    --> deser/src/decode/mod.rs:747:13
[INFO] [stdout]     |
[INFO] [stdout] 747 |         let decoded = decode::utf8_string(name, b).unwrap();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ignore`
[INFO] [stdout]    --> deser/src/decode/mod.rs:853:13
[INFO] [stdout]     |
[INFO] [stdout] 853 |         let ignore = decode_utf8_string_pair(String::from("property name"), b).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ignore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]     --> deser/src/decode/mod.rs:1625:13
[INFO] [stdout]      |
[INFO] [stdout] 1625 |         let key = b"Hello";
[INFO] [stdout]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]     --> deser/src/decode/mod.rs:1626:13
[INFO] [stdout]      |
[INFO] [stdout] 1626 |         let value = b"World";
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]     --> deser/src/decode/mod.rs:1682:13
[INFO] [stdout]      |
[INFO] [stdout] 1682 |         let span = span!(Level::TRACE, "my first span");
[INFO] [stdout]      |             ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_size`
[INFO] [stdout]   --> deser/src/packets/auth/deser.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let packet_size = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_size`
[INFO] [stdout]   --> deser/src/packets/connack/deser.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let packet_size = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> deser/src/packets/connack/mod.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let res = packet_builder.set_properties(&props);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_type`
[INFO] [stdout]    --> deser/src/packets/connect/mod.rs:133:66
[INFO] [stdout]     |
[INFO] [stdout] 133 |         if let Err(PropertyError::InvalidProperty(invalid_props, packet_type)) = res {
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> deser/src/packets/connect/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let res = original_packet.will_message(&vec![], "topic".to_string(), vec![1, 2, 3, 4]);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_size`
[INFO] [stdout]   --> deser/src/packets/publish/deser.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let packet_size = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> deser/src/packets/publish/mod.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let res = packet_builder.set_properties(&props);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `props`
[INFO] [stdout]    --> deser/src/packets/subscribe/mod.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let props = vec![Property::SubscriptionIdentifier(VariableByteInteger(100))];
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_props`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_length`
[INFO] [stdout]   --> deser/src/packets/unsuback/deser.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let remaining_length = varint(bytes).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> deser/src/packets/mod.rs:260:37
[INFO] [stdout]     |
[INFO] [stdout] 260 |         fn user_property(&mut self, key: String) -> Option<&Vec<Utf8StringPair>> {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> deser/src/packets/mod.rs:534:17
[INFO] [stdout]     |
[INFO] [stdout] 534 |             let mut user_property: PublishProperties = Default::default();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_property`
[INFO] [stdout]    --> deser/src/packets/mod.rs:534:17
[INFO] [stdout]     |
[INFO] [stdout] 534 |             let mut user_property: PublishProperties = Default::default();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_property`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `variable_header_properties` is never read
[INFO] [stdout]     --> deser/src/packets/mod.rs:1093:46
[INFO] [stdout]      |
[INFO] [stdout] 1093 |         let mut variable_header_properties = self.variable_header_properties();
[INFO] [stdout]      |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> deser/src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let b = BytesMut::with_capacity(100);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]   --> deser/src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let v1 = b1.get_u8();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]   --> deser/src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let v2 = b1.get_u8();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PayLoad` is never used
[INFO] [stdout]    --> deser/src/decode/mod.rs:124:10
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub enum PayLoad {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `session_expiry_interval` is never used
[INFO] [stdout]    --> deser/src/decode/mod.rs:661:8
[INFO] [stdout]     |
[INFO] [stdout] 661 |     fn session_expiry_interval(value: u32, buf: &mut BytesMut) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assigned_client_identifier` is never used
[INFO] [stdout]    --> deser/src/decode/mod.rs:666:8
[INFO] [stdout]     |
[INFO] [stdout] 666 |     fn assigned_client_identifier(value: &str, buf: &mut BytesMut) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `user_property` is never used
[INFO] [stdout]    --> deser/src/decode/mod.rs:671:8
[INFO] [stdout]     |
[INFO] [stdout] 671 |     fn user_property(key: &str, value: &str, buf: &mut BytesMut) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_two_byte_integer` is never used
[INFO] [stdout]   --> deser/src/encode/mod.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn encode_two_byte_integer(name: &str, i: TwoByteInteger, b: &mut BytesMut) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_four_byte_integer` is never used
[INFO] [stdout]   --> deser/src/encode/mod.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn encode_four_byte_integer(name: &str, i: FourByteInteger, b: &mut BytesMut) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `will_topic` and `will_payload` are never used
[INFO] [stdout]   --> deser/src/packets/connect/builder.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl ConnectBuilder {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn will_topic(mut self, topic: String) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     fn will_payload(mut self, will_payload: Vec<u8>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `will_properties_are_valid` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn will_properties_are_valid(connect_packet: &Connect) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_will_flag_not_set_and_qos_not_0_error` is never used
[INFO] [stdout]   --> deser/src/packets/connect/validation.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn is_will_flag_not_set_and_qos_not_0_error(connect_packet: &Connect) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_retain_as_published` is never used
[INFO] [stdout]   --> deser/src/packets/subscribe/builder.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl SubscriptionOptionsBuilder {
[INFO] [stdout]    | ------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn set_retain_as_published(mut self, set: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_topic_filters` is never used
[INFO] [stdout]   --> deser/src/packets/unsubscribe/builder.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl UnsubscribeBuilder {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn set_topic_filters(mut self, topic_filters: Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UserProperty` is never used
[INFO] [stdout]    --> deser/src/packets/mod.rs:248:11
[INFO] [stdout]     |
[INFO] [stdout] 248 |     trait UserProperty: ModifyProperties {
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `packet_identifier_present` is never used
[INFO] [stdout]    --> deser/src/properties.rs:501:4
[INFO] [stdout]     |
[INFO] [stdout] 501 | fn packet_identifier_present(mqtt_control_packet: PacketTypes, qos: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:633:53
[INFO] [stdout]     |
[INFO] [stdout] 633 |         buf.put_u8(Property::PayloadFormatIndicator as u8);
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 633 |         buf.put_u8(Property::PayloadFormatIndicator as *const () as u8);
[INFO] [stdout]     |                                                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:638:52
[INFO] [stdout]     |
[INFO] [stdout] 638 |         buf.put_u8(Property::MessageExpiryInterval as u8);
[INFO] [stdout]     |                                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 638 |         buf.put_u8(Property::MessageExpiryInterval as *const () as u8);
[INFO] [stdout]     |                                                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:643:42
[INFO] [stdout]     |
[INFO] [stdout] 643 |         buf.put_u8(Property::ContentType as u8);
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 643 |         buf.put_u8(Property::ContentType as *const () as u8);
[INFO] [stdout]     |                                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:648:46
[INFO] [stdout]     |
[INFO] [stdout] 648 |         buf.put_u8(Property::CorrelationData as u8);
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 648 |         buf.put_u8(Property::CorrelationData as *const () as u8);
[INFO] [stdout]     |                                              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:653:53
[INFO] [stdout]     |
[INFO] [stdout] 653 |         buf.put_u8(Property::SubscriptionIdentifier as u8);
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 653 |         buf.put_u8(Property::SubscriptionIdentifier as *const () as u8);
[INFO] [stdout]     |                                                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:662:52
[INFO] [stdout]     |
[INFO] [stdout] 662 |         buf.put_u8(Property::SessionExpiryInterval as u8);
[INFO] [stdout]     |                                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 662 |         buf.put_u8(Property::SessionExpiryInterval as *const () as u8);
[INFO] [stdout]     |                                                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:667:55
[INFO] [stdout]     |
[INFO] [stdout] 667 |         buf.put_u8(Property::AssignedClientIdentifier as u8);
[INFO] [stdout]     |                                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 667 |         buf.put_u8(Property::AssignedClientIdentifier as *const () as u8);
[INFO] [stdout]     |                                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:672:35
[INFO] [stdout]     |
[INFO] [stdout] 672 |         buf.put_u8(Property::User as u8);
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 672 |         buf.put_u8(Property::User as *const () as u8);
[INFO] [stdout]     |                                   ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> deser/src/decode/mod.rs:998:56
[INFO] [stdout]     |
[INFO] [stdout] 998 |         b_prop.put_u8(Property::PayloadFormatIndicator as u8); // property identifier
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 998 |         b_prop.put_u8(Property::PayloadFormatIndicator as *const () as u8); // property identifier
[INFO] [stdout]     |                                                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1016:9
[INFO] [stdout]      |
[INFO] [stdout] 1016 | /         variable_byte_integer(
[INFO] [stdout] 1017 | |             "property size",
[INFO] [stdout] 1018 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1019 | |             &mut b,
[INFO] [stdout] 1020 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1016 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1033:56
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         b_prop.put_u8(Property::PayloadFormatIndicator as u8); // property identifier, Payload format indicator
[INFO] [stdout]      |                                                        ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         b_prop.put_u8(Property::PayloadFormatIndicator as *const () as u8); // property identifier, Payload format indicator
[INFO] [stdout]      |                                                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1036:9
[INFO] [stdout]      |
[INFO] [stdout] 1036 | /         variable_byte_integer(
[INFO] [stdout] 1037 | |             "property size",
[INFO] [stdout] 1038 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1039 | |             &mut b,
[INFO] [stdout] 1040 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1036 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1053:56
[INFO] [stdout]      |
[INFO] [stdout] 1053 |         b_prop.put_u8(Property::PayloadFormatIndicator as u8); // property identifier, Payload format indicator
[INFO] [stdout]      |                                                        ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1053 |         b_prop.put_u8(Property::PayloadFormatIndicator as *const () as u8); // property identifier, Payload format indicator
[INFO] [stdout]      |                                                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1056:56
[INFO] [stdout]      |
[INFO] [stdout] 1056 |         b_prop.put_u8(Property::PayloadFormatIndicator as u8); // property identifier, Payload format indicator
[INFO] [stdout]      |                                                        ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1056 |         b_prop.put_u8(Property::PayloadFormatIndicator as *const () as u8); // property identifier, Payload format indicator
[INFO] [stdout]      |                                                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1059:9
[INFO] [stdout]      |
[INFO] [stdout] 1059 | /         variable_byte_integer(
[INFO] [stdout] 1060 | |             "property size",
[INFO] [stdout] 1061 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1062 | |             &mut b,
[INFO] [stdout] 1063 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1059 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1088:9
[INFO] [stdout]      |
[INFO] [stdout] 1088 |         subscription_identifier(1, &mut b_prop);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1088 |         let _ = subscription_identifier(1, &mut b_prop);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1091:9
[INFO] [stdout]      |
[INFO] [stdout] 1091 | /         variable_byte_integer(
[INFO] [stdout] 1092 | |             "property size",
[INFO] [stdout] 1093 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1094 | |             &mut b,
[INFO] [stdout] 1095 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1091 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1118:9
[INFO] [stdout]      |
[INFO] [stdout] 1118 |         subscription_identifier(12345, &mut b_prop);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1118 |         let _ = subscription_identifier(12345, &mut b_prop);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1126:9
[INFO] [stdout]      |
[INFO] [stdout] 1126 | /         variable_byte_integer(
[INFO] [stdout] 1127 | |             "property size",
[INFO] [stdout] 1128 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1129 | |             &mut b,
[INFO] [stdout] 1130 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1126 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1478:9
[INFO] [stdout]      |
[INFO] [stdout] 1478 | /         variable_byte_integer(
[INFO] [stdout] 1479 | |             "property size",
[INFO] [stdout] 1480 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1481 | |             &mut b,
[INFO] [stdout] 1482 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1478 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1498:45
[INFO] [stdout]      |
[INFO] [stdout] 1498 |         b_prop.put_u8(Property::ContentType as u8); // property identifier, UTF-8 Encoded String
[INFO] [stdout]      |                                             ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1498 |         b_prop.put_u8(Property::ContentType as *const () as u8); // property identifier, UTF-8 Encoded String
[INFO] [stdout]      |                                             ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1503:9
[INFO] [stdout]      |
[INFO] [stdout] 1503 | /         variable_byte_integer(
[INFO] [stdout] 1504 | |             "property size",
[INFO] [stdout] 1505 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1506 | |             &mut b,
[INFO] [stdout] 1507 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1503 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1526:49
[INFO] [stdout]      |
[INFO] [stdout] 1526 |         b_prop.put_u8(Property::CorrelationData as u8);
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1526 |         b_prop.put_u8(Property::CorrelationData as *const () as u8);
[INFO] [stdout]      |                                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1529:9
[INFO] [stdout]      |
[INFO] [stdout] 1529 | /         variable_byte_integer(
[INFO] [stdout] 1530 | |             "property size",
[INFO] [stdout] 1531 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1532 | |             &mut b,
[INFO] [stdout] 1533 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1529 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1550:56
[INFO] [stdout]      |
[INFO] [stdout] 1550 |         b_prop.put_u8(Property::SubscriptionIdentifier as u8);
[INFO] [stdout]      |                                                        ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1550 |         b_prop.put_u8(Property::SubscriptionIdentifier as *const () as u8);
[INFO] [stdout]      |                                                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1551:9
[INFO] [stdout]      |
[INFO] [stdout] 1551 | /         variable_byte_integer(
[INFO] [stdout] 1552 | |             "property size",
[INFO] [stdout] 1553 | |             &VariableByteInteger::new(b_integer),
[INFO] [stdout] 1554 | |             &mut b_prop,
[INFO] [stdout] 1555 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1551 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1557:9
[INFO] [stdout]      |
[INFO] [stdout] 1557 | /         variable_byte_integer(
[INFO] [stdout] 1558 | |             "property size",
[INFO] [stdout] 1559 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1560 | |             &mut b,
[INFO] [stdout] 1561 | |         ); // size of property
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1557 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1581:55
[INFO] [stdout]      |
[INFO] [stdout] 1581 |         b_prop.put_u8(Property::SessionExpiryInterval as u8);
[INFO] [stdout]      |                                                       ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1581 |         b_prop.put_u8(Property::SessionExpiryInterval as *const () as u8);
[INFO] [stdout]      |                                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1583:9
[INFO] [stdout]      |
[INFO] [stdout] 1583 | /         variable_byte_integer(
[INFO] [stdout] 1584 | |             "property size",
[INFO] [stdout] 1585 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1586 | |             &mut b,
[INFO] [stdout] 1587 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1583 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1605:49
[INFO] [stdout]      |
[INFO] [stdout] 1605 |         b_prop.put_u8(Property::ServerKeepAlive as u8);
[INFO] [stdout]      |                                                 ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1605 |         b_prop.put_u8(Property::ServerKeepAlive as *const () as u8);
[INFO] [stdout]      |                                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1608:9
[INFO] [stdout]      |
[INFO] [stdout] 1608 | /         variable_byte_integer(
[INFO] [stdout] 1609 | |             "property size",
[INFO] [stdout] 1610 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1611 | |             &mut b,
[INFO] [stdout] 1612 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1608 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]     --> deser/src/decode/mod.rs:1628:38
[INFO] [stdout]      |
[INFO] [stdout] 1628 |         b_prop.put_u8(Property::User as u8);
[INFO] [stdout]      |                                      ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]      |
[INFO] [stdout] 1628 |         b_prop.put_u8(Property::User as *const () as u8);
[INFO] [stdout]      |                                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> deser/src/decode/mod.rs:1636:9
[INFO] [stdout]      |
[INFO] [stdout] 1636 | /         variable_byte_integer(
[INFO] [stdout] 1637 | |             "property size",
[INFO] [stdout] 1638 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stdout] 1639 | |             &mut b,
[INFO] [stdout] 1640 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1636 |         let _ = variable_byte_integer(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> deser/src/packets/connect/mod.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         original_packet.set_properties(&props);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let _ = original_packet.set_properties(&props);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.86s
[INFO] running `Command { std: "docker" "inspect" "977c1b6cbeb8dd1fdae59b7061e7a919c130ce7527d0f673e76e9aece0b2354a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977c1b6cbeb8dd1fdae59b7061e7a919c130ce7527d0f673e76e9aece0b2354a", kill_on_drop: false }`
[INFO] [stdout] 977c1b6cbeb8dd1fdae59b7061e7a919c130ce7527d0f673e76e9aece0b2354a
