[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] dfcd57405a16c1784f1ebde9c22a56bf0fc50f95
[INFO] testing ajazam/MQTTBroker against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajazam%2FMQTTBroker" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajazam/MQTTBroker on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc2/source/Cargo.toml
[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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49bab9d34e81af8655d354a5b3a4a99ca237967498f0490cc0cc5b89c40851d4
[INFO] running `Command { std: "docker" "start" "-a" "49bab9d34e81af8655d354a5b3a4a99ca237967498f0490cc0cc5b89c40851d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49bab9d34e81af8655d354a5b3a4a99ca237967498f0490cc0cc5b89c40851d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bab9d34e81af8655d354a5b3a4a99ca237967498f0490cc0cc5b89c40851d4", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "9bd71ec537f641075c0d24dc6cb3a8a4c1c2b01218fe4e8abe49695cb9fb0ef8", kill_on_drop: false }`
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[INFO] [stderr]    Compiling deser v0.1.0 (/opt/rustwide/workdir/deser)
[INFO] [stderr]    Compiling common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/client)
[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)]` 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)]` 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`, `GeneratePacketParts`, `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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `Buf`, `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`, `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: `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)]` 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:1093:17
[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)]` on by default
[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: 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)]` 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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] [stderr]    Compiling broker v0.1.0 (/opt/rustwide/workdir/broker)
[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)]` 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)]` 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)]` 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:53:18
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 41 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`, `GeneratePacketParts`, `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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `Buf`, `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`, `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 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)]` 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:1093:17
[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)]` 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: 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]     = note: `#[warn(dead_code)]` on by default
[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:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | 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:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn utf8_string_pair(
[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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "9bd71ec537f641075c0d24dc6cb3a8a4c1c2b01218fe4e8abe49695cb9fb0ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd71ec537f641075c0d24dc6cb3a8a4c1c2b01218fe4e8abe49695cb9fb0ef8", kill_on_drop: false }`
[INFO] [stdout] 9bd71ec537f641075c0d24dc6cb3a8a4c1c2b01218fe4e8abe49695cb9fb0ef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50b1e51d9741c135d329c24a8d44f3de5ad2d02d00b6b2572e1633808ae7b52c
[INFO] running `Command { std: "docker" "start" "-a" "50b1e51d9741c135d329c24a8d44f3de5ad2d02d00b6b2572e1633808ae7b52c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling predicates-core v1.0.5
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling termtree v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling mockall_derive v0.11.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling predicates-tree v1.0.7
[INFO] [stderr]    Compiling fragile v2.0.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling test-log v0.2.11
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`, `GeneratePacketParts`, `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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `Buf`, `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`, `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: `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)]` 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:1093:17
[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)]` on by default
[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: 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)]` 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 41 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-test-macro v0.2.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[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)]` 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)]` 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)]` 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:53:18
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[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)]` 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)]` 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling tracing-test v0.2.4
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling mockall v0.11.3
[INFO] [stderr]    Compiling broker v0.1.0 (/opt/rustwide/workdir/broker)
[INFO] [stderr]    Compiling deser v0.1.0 (/opt/rustwide/workdir/deser)
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/client)
[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)]` on by default
[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)]` 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)]` 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: 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)]` 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)]` 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:53:18
[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)]` 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: 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)]` on by default
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`, `GeneratePacketParts`, `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`, `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`, `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: `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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`, `GeneratePacketParts`, `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`, `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`, `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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[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 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)]` 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: unused variable: `user_property`
[INFO] [stdout]    --> deser/src/packets/mod.rs:534:21
[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:1093:17
[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)]` 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: 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)]` 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: `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] 
[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: unused variable: `user_property`
[INFO] [stdout]    --> deser/src/packets/mod.rs:534:21
[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:1093:17
[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)]` on by default
[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: 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: 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: 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)]` on by default
[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)]` 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]     = note: `#[warn(dead_code)]` on by default
[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: 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 `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)]` 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: 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: 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: 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)]` 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: 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: 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: 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: 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: 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 `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: 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: 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: 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: 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: 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: 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] [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)]` 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: 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: 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: 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: 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: 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: 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: 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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 60 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 69 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "50b1e51d9741c135d329c24a8d44f3de5ad2d02d00b6b2572e1633808ae7b52c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b1e51d9741c135d329c24a8d44f3de5ad2d02d00b6b2572e1633808ae7b52c", kill_on_drop: false }`
[INFO] [stdout] 50b1e51d9741c135d329c24a8d44f3de5ad2d02d00b6b2572e1633808ae7b52c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63475c013bfd8cc6bcb3dd0686af3afb2a5fc340de295f32750d5f9dfd1b41d8
[INFO] running `Command { std: "docker" "start" "-a" "63475c013bfd8cc6bcb3dd0686af3afb2a5fc340de295f32750d5f9dfd1b41d8", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Decoder`, `Encoder`, `GeneratePacketParts`, `encode_properties`
[INFO] [stderr]  --> deser/src/packets/publish/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     encode_properties, Decoder, Encoder, GeneratePacketParts, PacketTypes, Properties,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufMut`, `Buf`, `BytesMut`
[INFO] [stderr]  --> deser/src/packets/publish/mod.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stderr]   |             ^^^  ^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `decode_property`, `utf8_string`, `varint`
[INFO] [stderr]   --> deser/src/packets/publish/mod.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 | use crate::decode::{decode_property, utf8_string, varint};
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::encode::utf8_encoded_string`
[INFO] [stderr]   --> deser/src/packets/publish/mod.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | use crate::encode::utf8_encoded_string;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PacketTypes`
[INFO] [stderr]    --> deser/src/lib.rs:123:31
[INFO] [stderr]     |
[INFO] [stderr] 123 | use crate::packets::{Decoder, PacketTypes};
[INFO] [stderr]     |                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Properties`
[INFO] [stderr]  --> deser/src/packets/connack/mod.rs:6:35
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::packets::{PacketTypes, Properties};
[INFO] [stderr]   |                                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Properties`
[INFO] [stderr]  --> deser/src/packets/publish/mod.rs:6:76
[INFO] [stderr]   |
[INFO] [stderr] 6 |     encode_properties, Decoder, Encoder, GeneratePacketParts, PacketTypes, Properties,
[INFO] [stderr]   |                                                                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Properties`
[INFO] [stderr]  --> deser/src/packets/suback/mod.rs:6:35
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::packets::{PacketTypes, Properties};
[INFO] [stderr]   |                                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet_size`
[INFO] [stderr]   --> deser/src/packets/auth/deser.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let packet_size = varint(bytes).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet_size`
[INFO] [stderr]   --> deser/src/packets/connack/deser.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let packet_size = varint(bytes).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet_size`
[INFO] [stderr]   --> deser/src/packets/publish/deser.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let packet_size = varint(bytes).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remaining_length`
[INFO] [stderr]   --> deser/src/packets/unsuback/deser.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let remaining_length = varint(bytes).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_length`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> deser/src/packets/mod.rs:260:37
[INFO] [stderr]     |
[INFO] [stderr] 260 |         fn user_property(&mut self, key: String) -> Option<&Vec<Utf8StringPair>> {
[INFO] [stderr]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `variable_header_properties` is never read
[INFO] [stderr]     --> deser/src/packets/mod.rs:1093:17
[INFO] [stderr]      |
[INFO] [stderr] 1093 |         let mut variable_header_properties = self.variable_header_properties();
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet_type`
[INFO] [stderr]   --> deser/src/lib.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let packet_type = buf_copy.get_u8();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> deser/src/lib.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |             Err(e) => break,
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: function `control_packet_to_frames` is never used
[INFO] [stderr]   --> deser/src/lib.rs:60:10
[INFO] [stderr]    |
[INFO] [stderr] 60 | async fn control_packet_to_frames(
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `bytes_to_control_packets` is never used
[INFO] [stderr]    --> deser/src/lib.rs:125:10
[INFO] [stderr]     |
[INFO] [stderr] 125 | async fn bytes_to_control_packets(
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `encode_two_byte_integer` is never used
[INFO] [stderr]   --> deser/src/encode/mod.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn encode_two_byte_integer(name: &str, i: TwoByteInteger, b: &mut BytesMut) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `encode_four_byte_integer` is never used
[INFO] [stderr]   --> deser/src/encode/mod.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn encode_four_byte_integer(name: &str, i: FourByteInteger, b: &mut BytesMut) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_reason_code` is never used
[INFO] [stderr]   --> deser/src/packets/auth/builder.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl AuthBuilder {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] 13 |     pub fn set_reason_code(mut self, reason_code: AUTH) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_session_present` and `set_connect_reason_code` are never used
[INFO] [stderr]   --> deser/src/packets/connack/builder.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl ConnAckBuilder {
[INFO] [stderr]    | ------------------- methods in this implementation
[INFO] [stderr] 14 |     pub fn set_session_present(mut self, session_present: bool) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn set_connect_reason_code(mut self, reason_code: CONNECTACK) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `will_topic` and `will_payload` are never used
[INFO] [stderr]   --> deser/src/packets/connect/builder.rs:89:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl ConnectBuilder {
[INFO] [stderr]    | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 89 |     fn will_topic(mut self, topic: String) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 94 |     fn will_payload(mut self, will_payload: Vec<u8>) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `client_id_correctly_formatted` is never used
[INFO] [stderr]  --> deser/src/packets/connect/validation.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn client_id_correctly_formatted(str: String) -> bool {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `will_properties_are_valid` is never used
[INFO] [stderr]   --> deser/src/packets/connect/validation.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn will_properties_are_valid(connect_packet: &Connect) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_will_flag_not_set_and_will_properties_set_error` is never used
[INFO] [stderr]   --> deser/src/packets/connect/validation.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn is_will_flag_not_set_and_will_properties_set_error(connect_packet: &Connect) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_will_flag_set_and_will_topic_is_empty_error` is never used
[INFO] [stderr]   --> deser/src/packets/connect/validation.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn is_will_flag_set_and_will_topic_is_empty_error(connect_packet: &Connect) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_will_flag_set_and_will_payload_is_empty_error` is never used
[INFO] [stderr]   --> deser/src/packets/connect/validation.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn is_will_flag_set_and_will_payload_is_empty_error(connect_packet: &Connect) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_will_flag_not_set_and_qos_not_0_error` is never used
[INFO] [stderr]   --> deser/src/packets/connect/validation.rs:88:8
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn is_will_flag_not_set_and_qos_not_0_error(connect_packet: &Connect) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_reason_code` is never used
[INFO] [stderr]   --> deser/src/packets/disconnect/builder.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl DisconnectBuilder {
[INFO] [stderr]    | ---------------------- method in this implementation
[INFO] [stderr] 13 |     pub fn set_reason_code(mut self, reason_code: DISCONNECT) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stderr]   --> deser/src/packets/puback/builder.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl PubAckBuilder {
[INFO] [stderr]    | ------------------ methods in this implementation
[INFO] [stderr] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn set_reason_code(mut self, reason_code: PUBACK) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stderr]   --> deser/src/packets/pubcomp/builder.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl PubCompBuilder {
[INFO] [stderr]    | ------------------- methods in this implementation
[INFO] [stderr] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn set_reason_code(mut self, reason_codes: PUBCOMP) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_topic_with_payload`, `set_qos_only`, and `set_qos` are never used
[INFO] [stderr]   --> deser/src/packets/publish/builder.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl PublishBuilder {
[INFO] [stderr]    | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 16 |     pub fn set_topic_with_payload(mut self, topic_name: String, payload: Option<Vec<u8>>) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     fn set_qos_only(mut self, qos: u8, packet_id: Option<u16>) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn set_qos(self, qos: Qos) -> Self {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stderr]   --> deser/src/packets/pubrec/builder.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl PubRecBuilder {
[INFO] [stderr]    | ------------------ methods in this implementation
[INFO] [stderr] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn set_reason_code(mut self, reason_code: PUBREC) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stderr]   --> deser/src/packets/pubrel/builder.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl PubRelBuilder {
[INFO] [stderr]    | ------------------ methods in this implementation
[INFO] [stderr] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn set_reason_code(mut self, reason_code: PUBREL) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_packet_id` and `set_reason_code` are never used
[INFO] [stderr]   --> deser/src/packets/suback/builder.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl SubAckBuilder {
[INFO] [stderr]    | ------------------ methods in this implementation
[INFO] [stderr] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn set_reason_code(mut self, reason_code: Vec<SUBACK>) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_packet_id` and `set_topic_filter` are never used
[INFO] [stderr]   --> deser/src/packets/subscribe/builder.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl SubscribeBuilder {
[INFO] [stderr]    | --------------------- methods in this implementation
[INFO] [stderr] 14 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn set_topic_filter(
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_qos`, `set_no_local`, `set_retain_as_published`, and `set_retain_handling_option` are never used
[INFO] [stderr]   --> deser/src/packets/subscribe/builder.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 61 | impl SubscriptionOptionsBuilder {
[INFO] [stderr]    | ------------------------------- methods in this implementation
[INFO] [stderr] 62 |     pub fn set_qos(mut self, qos: QOS) -> Self {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     pub fn set_no_local(mut self, set: bool) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 79 |     pub fn set_retain_as_published(mut self, set: bool) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 90 |     pub fn set_retain_handling_option(
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_packet_id` and `set_topic_filters` are never used
[INFO] [stderr]   --> deser/src/packets/unsuback/builder.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl UnSubAckBuilder {
[INFO] [stderr]    | -------------------- methods in this implementation
[INFO] [stderr] 13 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn set_topic_filters(mut self, topic_filter: Vec<UNSUBACK>) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_packet_id` and `set_topic_filters` are never used
[INFO] [stderr]   --> deser/src/packets/unsubscribe/builder.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl UnsubscribeBuilder {
[INFO] [stderr]    | ----------------------- methods in this implementation
[INFO] [stderr] 12 |     pub fn set_packet_id(mut self, packet_id: u16) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn set_topic_filters(mut self, topic_filters: Vec<String>) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `packet_identifier_present` is never used
[INFO] [stderr]    --> deser/src/properties.rs:501:4
[INFO] [stderr]     |
[INFO] [stderr] 501 | fn packet_identifier_present(mqtt_control_packet: PacketTypes, qos: u8) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> client/src/lib.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn connect(addr: String, user_name: String, password: String) -> Result<(), ClientError> {
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user_name`
[INFO] [stderr]   --> client/src/lib.rs:15:34
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn connect(addr: String, user_name: String, password: String) -> Result<(), ClientError> {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `password`
[INFO] [stderr]   --> client/src/lib.rs:15:53
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn connect(addr: String, user_name: String, password: String) -> Result<(), ClientError> {
[INFO] [stderr]    |                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Client` is never constructed
[INFO] [stderr]  --> client/src/lib.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Client {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `connect` is never used
[INFO] [stderr]   --> client/src/lib.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Client {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 15 |     pub fn connect(addr: String, user_name: String, password: String) -> Result<(), ClientError> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `deser` (lib) generated 41 warnings (run `cargo fix --lib -p deser` to apply 12 suggestions)
[INFO] [stderr] warning: `client` (lib) generated 5 warnings (run `cargo fix --lib -p client` to apply 3 suggestions)
[INFO] [stderr] warning: unused import: `deser::ControlPacket`
[INFO] [stderr]   --> broker/src/lib.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     use deser::ControlPacket;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> broker/src/lib.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let (tx, mut rx) = mpsc::channel::<BytesMut>(32);
[INFO] [stderr]    |              ----^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> broker/src/lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         addr: String,
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> broker/src/lib.rs:53:10
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let (tx, mut rx) = mpsc::channel::<BytesMut>(32);
[INFO] [stderr]    |          ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rx`
[INFO] [stderr]   --> broker/src/lib.rs:53:18
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let (tx, mut rx) = mpsc::channel::<BytesMut>(32);
[INFO] [stderr]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stderr] 
[INFO] [stderr] warning: function `sender_receiver_factory` is never used
[INFO] [stderr]   --> broker/src/lib.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub async fn sender_receiver_factory(
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `MQTTBroker` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `mqttbroker`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `broker` (lib) generated 7 warnings (run `cargo fix --lib -p broker` to apply 5 suggestions)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> broker/tests/integration_test.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         to_mqtt_client_sender.send(to_send).await;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let _ = to_mqtt_client_sender.send(to_send).await;
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> broker/tests/integration_test.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         stream.read_buf(&mut received).await;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let _ = stream.read_buf(&mut received).await;
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]    --> deser/src/decode/mod.rs:630:19
[INFO] [stderr]     |
[INFO] [stderr] 630 |     use tracing::{debug, event, info, span, trace, Level};
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Decoder`, `Encoder`, `GeneratePacketParts`, `encode_properties`
[INFO] [stderr]  --> deser/src/packets/publish/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     encode_properties, Decoder, Encoder, GeneratePacketParts, PacketTypes, Properties,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pretty_hex`
[INFO] [stderr]    --> deser/src/packets/publish/mod.rs:103:25
[INFO] [stderr]     |
[INFO] [stderr] 103 |     use nu_pretty_hex::{pretty_hex, PrettyHex};
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> deser/src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]   --> deser/src/main.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 | use tracing::{debug, event, span, trace, Level};
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DecodeReasonCode`
[INFO] [stderr]   --> deser/src/packets/pubcomp/mod.rs:40:40
[INFO] [stderr]    |
[INFO] [stderr] 40 |     use crate::packets::reason_codes::{DecodeReasonCode, PUBCOMP};
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decoded`
[INFO] [stderr]    --> deser/src/decode/mod.rs:747:13
[INFO] [stderr]     |
[INFO] [stderr] 747 |         let decoded = decode::utf8_string(name, b).unwrap();
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ignore`
[INFO] [stderr]    --> deser/src/decode/mod.rs:853:13
[INFO] [stderr]     |
[INFO] [stderr] 853 |         let ignore = decode_utf8_string_pair(String::from("property name"), b).unwrap();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ignore`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]     --> deser/src/decode/mod.rs:1625:13
[INFO] [stderr]      |
[INFO] [stderr] 1625 |         let key = b"Hello";
[INFO] [stderr]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]     --> deser/src/decode/mod.rs:1626:13
[INFO] [stderr]      |
[INFO] [stderr] 1626 |         let value = b"World";
[INFO] [stderr]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]     --> deser/src/decode/mod.rs:1682:13
[INFO] [stderr]      |
[INFO] [stderr] 1682 |         let span = span!(Level::TRACE, "my first span");
[INFO] [stderr]      |             ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet_size`
[INFO] [stderr]   --> deser/src/packets/auth/deser.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let packet_size = varint(bytes).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> deser/src/packets/connack/mod.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let res = packet_builder.set_properties(&props);
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet_type`
[INFO] [stderr]    --> deser/src/packets/connect/mod.rs:133:66
[INFO] [stderr]     |
[INFO] [stderr] 133 |         if let Err(PropertyError::InvalidProperty(invalid_props, packet_type)) = res {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> deser/src/packets/connect/mod.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let res = original_packet.will_message(&vec![], "topic".to_string(), vec![1, 2, 3, 4]);
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> deser/src/packets/publish/mod.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let res = packet_builder.set_properties(&props);
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `props`
[INFO] [stderr]    --> deser/src/packets/subscribe/mod.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let props = vec![Property::SubscriptionIdentifier(VariableByteInteger(100))];
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_props`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user_property`
[INFO] [stderr]    --> deser/src/packets/mod.rs:534:21
[INFO] [stderr]     |
[INFO] [stderr] 534 |             let mut user_property: PublishProperties = Default::default();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_property`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> deser/src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let b = BytesMut::with_capacity(100);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v1`
[INFO] [stderr]   --> deser/src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let v1 = b1.get_u8();
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v2`
[INFO] [stderr]   --> deser/src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let v2 = b1.get_u8();
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> deser/src/packets/mod.rs:534:17
[INFO] [stderr]     |
[INFO] [stderr] 534 |             let mut user_property: PublishProperties = Default::default();
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `session_expiry_interval` is never used
[INFO] [stderr]    --> deser/src/decode/mod.rs:661:8
[INFO] [stderr]     |
[INFO] [stderr] 661 |     fn session_expiry_interval(value: u32, buf: &mut BytesMut) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `assigned_client_identifier` is never used
[INFO] [stderr]    --> deser/src/decode/mod.rs:666:8
[INFO] [stderr]     |
[INFO] [stderr] 666 |     fn assigned_client_identifier(value: &str, buf: &mut BytesMut) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `user_property` is never used
[INFO] [stderr]    --> deser/src/decode/mod.rs:671:8
[INFO] [stderr]     |
[INFO] [stderr] 671 |     fn user_property(key: &str, value: &str, buf: &mut BytesMut) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_retain_as_published` is never used
[INFO] [stderr]   --> deser/src/packets/subscribe/builder.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 61 | impl SubscriptionOptionsBuilder {
[INFO] [stderr]    | ------------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 79 |     pub fn set_retain_as_published(mut self, set: bool) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_topic_filters` is never used
[INFO] [stderr]   --> deser/src/packets/unsubscribe/builder.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl UnsubscribeBuilder {
[INFO] [stderr]    | ----------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn set_topic_filters(mut self, topic_filters: Vec<String>) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1016:9
[INFO] [stderr]      |
[INFO] [stderr] 1016 | /         variable_byte_integer(
[INFO] [stderr] 1017 | |             "property size",
[INFO] [stderr] 1018 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stderr] 1019 | |             &mut b,
[INFO] [stderr] 1020 | |         );
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1016 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1036:9
[INFO] [stderr]      |
[INFO] [stderr] 1036 | /         variable_byte_integer(
[INFO] [stderr] 1037 | |             "property size",
[INFO] [stderr] 1038 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stderr] 1039 | |             &mut b,
[INFO] [stderr] 1040 | |         );
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1036 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1059:9
[INFO] [stderr]      |
[INFO] [stderr] 1059 | /         variable_byte_integer(
[INFO] [stderr] 1060 | |             "property size",
[INFO] [stderr] 1061 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stderr] 1062 | |             &mut b,
[INFO] [stderr] 1063 | |         );
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1059 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1088:9
[INFO] [stderr]      |
[INFO] [stderr] 1088 |         subscription_identifier(1, &mut b_prop);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1088 |         let _ = subscription_identifier(1, &mut b_prop);
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1091:9
[INFO] [stderr]      |
[INFO] [stderr] 1091 | /         variable_byte_integer(
[INFO] [stderr] 1092 | |             "property size",
[INFO] [stderr] 1093 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stderr] 1094 | |             &mut b,
[INFO] [stderr] 1095 | |         );
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1091 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1118:9
[INFO] [stderr]      |
[INFO] [stderr] 1118 |         subscription_identifier(12345, &mut b_prop);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1118 |         let _ = subscription_identifier(12345, &mut b_prop);
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1126:9
[INFO] [stderr]      |
[INFO] [stderr] 1126 | /         variable_byte_integer(
[INFO] [stderr] 1127 | |             "property size",
[INFO] [stderr] 1128 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stderr] 1129 | |             &mut b,
[INFO] [stderr] 1130 | |         );
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1126 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1478:9
[INFO] [stderr]      |
[INFO] [stderr] 1478 | /         variable_byte_integer(
[INFO] [stderr] 1479 | |             "property size",
[INFO] [stderr] 1480 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stderr] 1481 | |             &mut b,
[INFO] [stderr] 1482 | |         );
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1478 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1503:9
[INFO] [stderr]      |
[INFO] [stderr] 1503 | /         variable_byte_integer(
[INFO] [stderr] 1504 | |             "property size",
[INFO] [stderr] 1505 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stderr] 1506 | |             &mut b,
[INFO] [stderr] 1507 | |         );
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1503 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1529:9
[INFO] [stderr]      |
[INFO] [stderr] 1529 | /         variable_byte_integer(
[INFO] [stderr] 1530 | |             "property size",
[INFO] [stderr] 1531 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stderr] 1532 | |             &mut b,
[INFO] [stderr] 1533 | |         );
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1529 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1551:9
[INFO] [stderr]      |
[INFO] [stderr] 1551 | /         variable_byte_integer(
[INFO] [stderr] 1552 | |             "property size",
[INFO] [stderr] 1553 | |             &VariableByteInteger::new(b_integer),
[INFO] [stderr] 1554 | |             &mut b_prop,
[INFO] [stderr] 1555 | |         );
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1551 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1557:9
[INFO] [stderr]      |
[INFO] [stderr] 1557 | /         variable_byte_integer(
[INFO] [stderr] 1558 | |             "property size",
[INFO] [stderr] 1559 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stderr] 1560 | |             &mut b,
[INFO] [stderr] 1561 | |         ); // size of property
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1557 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1583:9
[INFO] [stderr]      |
[INFO] [stderr] 1583 | /         variable_byte_integer(
[INFO] [stderr] 1584 | |             "property size",
[INFO] [stderr] 1585 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stderr] 1586 | |             &mut b,
[INFO] [stderr] 1587 | |         );
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1583 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1608:9
[INFO] [stderr]      |
[INFO] [stderr] 1608 | /         variable_byte_integer(
[INFO] [stderr] 1609 | |             "property size",
[INFO] [stderr] 1610 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stderr] 1611 | |             &mut b,
[INFO] [stderr] 1612 | |         );
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1608 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> deser/src/decode/mod.rs:1636:9
[INFO] [stderr]      |
[INFO] [stderr] 1636 | /         variable_byte_integer(
[INFO] [stderr] 1637 | |             "property size",
[INFO] [stderr] 1638 | |             &VariableByteInteger::new(b_prop.len() as u32),
[INFO] [stderr] 1639 | |             &mut b,
[INFO] [stderr] 1640 | |         );
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1636 |         let _ = variable_byte_integer(
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> deser/src/packets/connect/mod.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         original_packet.set_properties(&props);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let _ = original_packet.set_properties(&props);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: function `should_return_rx_tx_channels_for_a_new_client_connection` is never used
[INFO] [stderr]    --> broker/src/lib.rs:101:18
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub async fn should_return_rx_tx_channels_for_a_new_client_connection() {}
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> deser/src/net/mod.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let n = match socket.read(&mut buf).await {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> deser/src/net/mod.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let res = original_packet.will_message(&vec![], "topic".to_string(), vec![1, 2, 3, 4]);
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `received`
[INFO] [stderr]    --> deser/src/lib.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let received = control_packet_bytes_receiver.recv().await;
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_received`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `props`
[INFO] [stderr]    --> deser/src/lib.rs:318:13
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let props: Vec<Property> = vec![];
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_props`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> deser/src/lib.rs:328:13
[INFO] [stderr]     |
[INFO] [stderr] 328 |         let res = original_packet.will_message(&vec![], "topic".to_string(), vec![1, 2, 3, 4]);
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: function `session_expiry_interval` is never used
[INFO] [stderr]    --> deser/src/decode/mod.rs:661:8
[INFO] [stderr]     |
[INFO] [stderr] 661 |     fn session_expiry_interval(value: u32, buf: &mut BytesMut) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> deser/src/net/mod.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         original_packet.set_properties(&props);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let _ = original_packet.set_properties(&props);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> deser/src/lib.rs:260:13
[INFO] [stderr]     |
[INFO] [stderr] 260 |             bytes_to_control_packets(rx, control_packet_bytes_sender).await;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 260 |             let _ = bytes_to_control_packets(rx, control_packet_bytes_sender).await;
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> deser/src/lib.rs:262:9
[INFO] [stderr]     |
[INFO] [stderr] 262 |         tx.send(BytesMut::from(bytes.as_slice())).await;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let _ = tx.send(BytesMut::from(bytes.as_slice())).await;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> deser/src/lib.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |         tracing::subscriber::set_global_default(subscriber);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 276 |         let _ = tracing::subscriber::set_global_default(subscriber);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> deser/src/lib.rs:300:9
[INFO] [stderr]     |
[INFO] [stderr] 300 | /         control_packet_to_bytes_sender
[INFO] [stderr] 301 | |             .send(ControlPacket::Connect(original_packet.clone()))
[INFO] [stderr] 302 | |             .await;
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 300 |         let _ = control_packet_to_bytes_sender
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `broker` (test "integration_test") generated 2 warnings
[INFO] [stderr] warning: `client` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: `deser` (bin "deser" test) generated 60 warnings (17 duplicates) (run `cargo fix --bin "deser" --tests` to apply 20 suggestions)
[INFO] [stderr] warning: `broker` (lib test) generated 8 warnings (7 duplicates)
[INFO] [stderr] warning: `deser` (lib test) generated 69 warnings (58 duplicates) (run `cargo fix --lib -p deser --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/MQTTBroker-56b9855e56aed709)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-9e2976e2ab06a245)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test server_test::should_act_as_loopback ... ok
[INFO] [stdout] test server_test::should_send_data_over_streams ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- server_test::should_send_data_over_streams stdout ----
[INFO] [stdout] thread 'server_test::should_send_data_over_streams' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" }', broker/tests/integration_test.rs:32:69
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5570cf0ef61a - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x5570cf0ef61a - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5570cf0ef61a - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x5570cf0ef61a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5570cf114b1f - core::fmt::write::h78109e6f466b3af6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stdout]    5:     0x5570cf0ec225 - std::io::Write::write_fmt::hd24bfb68a1b35a25
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stdout]    6:     0x5570cf0ef3e5 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x5570cf0ef3e5 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x5570cf0f109e - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stdout]    9:     0x5570cf0f0dd1 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:285:9
[INFO] [stdout]   10:     0x5570cefe393b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h87fe9f7b2fd49e4c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   11:     0x5570cefe393b - test::test_main::{{closure}}::he94d679243a7531b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5570cf0f1784 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3f2d6d8b14c4769f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   13:     0x5570cf0f1784 - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:695:13
[INFO] [stdout]   14:     0x5570cf0f14f9 - std::panicking::begin_panic_handler::{{closure}}::h91bc7f36a4be011b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:582:13
[INFO] [stdout]   15:     0x5570cf0efa86 - std::sys_common::backtrace::__rust_end_short_backtrace::h8b3d3717114f9e59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x5570cf0f1252 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:578:5
[INFO] [stdout]   17:     0x5570cef6cdb3 - core::panicking::panic_fmt::hfd368e3fbdabea26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:67:14
[INFO] [stdout]   18:     0x5570cef6d2f3 - core::result::unwrap_failed::he54eb4b2f125b26f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/result.rs:1687:5
[INFO] [stdout]   19:     0x5570cef8751d - core::result::Result<T,E>::unwrap::h541b1139a0fd1672
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/result.rs:1089:23
[INFO] [stdout]   20:     0x5570cefafbab - integration_test::server_test::should_send_data_over_streams::{{closure}}::h2499b8aed84fc170
[INFO] [stdout]                                at /opt/rustwide/workdir/broker/tests/integration_test.rs:32:26
[INFO] [stdout]   21:     0x5570cefae8f8 - <core::pin::Pin<P> as core::future::future::Future>::poll::hf904c99f5e19bf41
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/future/future.rs:125:9
[INFO] [stdout]   22:     0x5570cefae94b - <core::pin::Pin<P> as core::future::future::Future>::poll::hfccc92160e378332
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/future/future.rs:125:9
[INFO] [stdout]   23:     0x5570cefa0654 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::h16347265b5bbe180
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.24.2/src/runtime/scheduler/current_thread.rs:541:57
[INFO] [stdout]   24:     0x5570cefa0501 - tokio::runtime::coop::with_budget::h680c0234f9872d0f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.24.2/src/runtime/coop.rs:102:5
[INFO] [stdout]   25:     0x5570cefa0501 - tokio::runtime::coop::budget::h65c62c29310a127f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.24.2/src/runtime/coop.rs:68:5
[INFO] [stdout]   26:     0x5570cefa0501 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h023162ca03e41048
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.24.2/src/runtime/scheduler/current_thread.rs:541:25
[INFO] [stdout]   27:     0x5570cef9eca9 - tokio::runtime::scheduler::current_thread::Context::enter::h1a46aca4b48a7f8f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.24.2/src/runtime/scheduler/current_thread.rs:350:19
[INFO] [stdout]   28:     0x5570cef9fa9a - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::h5400b1614d3243f3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.24.2/src/runtime/scheduler/current_thread.rs:540:36
[INFO] [stdout]   29:     0x5570cef9f7ab - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h5aba0ece45b059b3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.24.2/src/runtime/scheduler/current_thread.rs:615:57
[INFO] [stdout]   30:     0x5570cefa5a1d - tokio::macros::scoped_tls::ScopedKey<T>::set::h68eeacde2a82d715
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.24.2/src/macros/scoped_tls.rs:61:9
[INFO] [stdout]   31:     0x5570cef9f546 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h1000ac3bc6e3e74a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.24.2/src/runtime/scheduler/current_thread.rs:615:27
[INFO] [stdout]   32:     0x5570cef9f7dc - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::h3a7826a27d7f2f50
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.24.2/src/runtime/scheduler/current_thread.rs:530:19
[INFO] [stdout]   33:     0x5570cef9d79d - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h56b95e494d980845
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.24.2/src/runtime/scheduler/current_thread.rs:154:24
[INFO] [stdout]   34:     0x5570cef9d585 - tokio::runtime::runtime::Runtime::block_on::h7c2fca2bc9ff7ed6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.24.2/src/runtime/runtime.rs:282:47
[INFO] [stdout]   35:     0x5570cefaf5e8 - integration_test::server_test::should_send_data_over_streams::h847f6b361276042a
[INFO] [stdout]                                at /opt/rustwide/workdir/broker/tests/integration_test.rs:48:9
[INFO] [stdout]   36:     0x5570cefaf477 - integration_test::server_test::should_send_data_over_streams::{{closure}}::h792ae0aeb666f96f
[INFO] [stdout]                                at /opt/rustwide/workdir/broker/tests/integration_test.rs:22:46
[INFO] [stdout]   37:     0x5570cefa14e5 - core::ops::function::FnOnce::call_once::hff4f8a11d4f16c30
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   38:     0x5570cefe880f - core::ops::function::FnOnce::call_once::ha6a70e79f7481a7e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   39:     0x5570cefe880f - test::__rust_begin_short_backtrace::hce33033019b61e69
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:655:18
[INFO] [stdout]   40:     0x5570cefb5ffc - test::run_test::{{closure}}::h858d3528838ae3e5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:646:30
[INFO] [stdout]   41:     0x5570cefb5ffc - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8ac2b00f01ae79e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5570cefe78e6 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8093d25b522725ef
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   43:     0x5570cefe78e6 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5c334c204e4a3913
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   44:     0x5570cefe78e6 - std::panicking::try::do_call::ha8b740c7b9478074
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   45:     0x5570cefe78e6 - std::panicking::try::h5d34f63d0e41b64e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   46:     0x5570cefe78e6 - std::panic::catch_unwind::hcfbb511e1aa7fc67
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   47:     0x5570cefe78e6 - test::run_test_in_process::h9abda90f802eaf21
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:678:27
[INFO] [stdout]   48:     0x5570cefe78e6 - test::run_test::run_test_inner::{{closure}}::h0f058de91f6c6edf
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:572:39
[INFO] [stdout]   49:     0x5570cefb0805 - test::run_test::run_test_inner::{{closure}}::h5ca48a4c59c6c1fb
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:599:37
[INFO] [stdout]   50:     0x5570cefb0805 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32bd51e1495d4a33
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   51:     0x5570cefb5d41 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc086fae9b128b2db
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:526:17
[INFO] [stdout]   52:     0x5570cefb5d41 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb66571888d270d43
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   53:     0x5570cefb5d41 - std::panicking::try::do_call::h4fa2ef4f6e51fecf
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   54:     0x5570cefb5d41 - std::panicking::try::h1e9e22b8584489b5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   55:     0x5570cefb5d41 - std::panic::catch_unwind::h44698a3de0e0769e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   56:     0x5570cefb5d41 - std::thread::Builder::spawn_unchecked_::{{closure}}::h50153abde3fe239e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:525:30
[INFO] [stdout]   57:     0x5570cefb5d41 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hbe5bbf6f38394364
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   58:     0x5570cf0f5d65 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0d83cb2920a49046
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   59:     0x5570cf0f5d65 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbe0a008aa7d9ef59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   60:     0x5570cf0f5d65 - std::sys::unix::thread::Thread::new::thread_start::h3a466996bdf6b1f9
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   61:     0x7f1b59483b43 - <unknown>
[INFO] [stdout]   62:     0x7f1b59514bb4 - __clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     server_test::should_send_data_over_streams
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p broker --test integration_test`
[INFO] running `Command { std: "docker" "inspect" "63475c013bfd8cc6bcb3dd0686af3afb2a5fc340de295f32750d5f9dfd1b41d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63475c013bfd8cc6bcb3dd0686af3afb2a5fc340de295f32750d5f9dfd1b41d8", kill_on_drop: false }`
[INFO] [stdout] 63475c013bfd8cc6bcb3dd0686af3afb2a5fc340de295f32750d5f9dfd1b41d8
