[INFO] fetching crate walle_mqtt_protocol 0.1.9... [INFO] checking walle_mqtt_protocol-0.1.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate walle_mqtt_protocol 0.1.9 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate walle_mqtt_protocol 0.1.9 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate walle_mqtt_protocol 0.1.9 [INFO] finished tweaking crates.io crate walle_mqtt_protocol 0.1.9 [INFO] tweaked toml for crates.io crate walle_mqtt_protocol 0.1.9 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 100 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (latest: v0.50.0) [INFO] [stderr] Adding opentelemetry v0.18.0 (latest: v0.22.0) [INFO] [stderr] Adding opentelemetry_api v0.18.0 (latest: v0.20.0) [INFO] [stderr] Adding opentelemetry_sdk v0.18.0 (latest: v0.22.1) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding regex-automata v0.1.10 (latest: v0.4.6) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding tracing-log v0.1.4 (latest: v0.2.0) [INFO] [stderr] Adding tracing-opentelemetry v0.18.0 (latest: v0.23.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded opentelemetry v0.18.0 [INFO] [stderr] Downloaded tracing-opentelemetry v0.18.0 [INFO] [stderr] Downloaded opentelemetry_sdk v0.18.0 [INFO] [stderr] Downloaded tracing-appender v0.2.3 [INFO] [stderr] Downloaded opentelemetry_api v0.18.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 792790e8f8077e6db2b4aa8e91c768fd9fae9e817bf4481e2d712f9b0bf4721b [INFO] running `Command { std: "docker" "start" "-a" "792790e8f8077e6db2b4aa8e91c768fd9fae9e817bf4481e2d712f9b0bf4721b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "792790e8f8077e6db2b4aa8e91c768fd9fae9e817bf4481e2d712f9b0bf4721b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "792790e8f8077e6db2b4aa8e91c768fd9fae9e817bf4481e2d712f9b0bf4721b", kill_on_drop: false }` [INFO] [stdout] 792790e8f8077e6db2b4aa8e91c768fd9fae9e817bf4481e2d712f9b0bf4721b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 746df6a0d38ee32db06e9edd5915bd39f4ff4fc186401ddf2cd53a732b85bbf6 [INFO] running `Command { std: "docker" "start" "-a" "746df6a0d38ee32db06e9edd5915bd39f4ff4fc186401ddf2cd53a732b85bbf6", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Checking tracing-log v0.1.4 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking opentelemetry_api v0.18.0 [INFO] [stderr] Checking opentelemetry_sdk v0.18.0 [INFO] [stderr] Checking opentelemetry v0.18.0 [INFO] [stderr] Checking tracing-serde v0.1.3 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking tracing-opentelemetry v0.18.0 [INFO] [stderr] Checking tracing-appender v0.2.3 [INFO] [stderr] Checking walle_mqtt_protocol v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `fixed_header` [INFO] [stdout] --> src/v4/dis_connect.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use super::{decoder, fixed_header, Decoder, Encoder}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/v4/fixed_header.rs:9:22 [INFO] [stdout] | [INFO] [stdout] 9 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Buf` [INFO] [stdout] --> src/v4/ping_req.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | use bytes::{Buf, BytesMut}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/v4/publish.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Bytes` [INFO] [stdout] --> src/v4/publish.rs:271:17 [INFO] [stdout] | [INFO] [stdout] 271 | use bytes::{Bytes, BytesMut}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tracing::info` [INFO] [stdout] --> src/v4/publish.rs:272:9 [INFO] [stdout] | [INFO] [stdout] 272 | use tracing::info; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `QoS` [INFO] [stdout] --> src/v4/sub_ack.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 121 | QoS, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FixedHeaderBuilder` [INFO] [stdout] --> src/v4/un_suback.rs:2:33 [INFO] [stdout] | [INFO] [stdout] 2 | fixed_header::{FixedHeader, FixedHeaderBuilder}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::v4::builder::MqttMessageBuilder` [INFO] [stdout] --> src/v4/un_suback.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::v4::builder::MqttMessageBuilder; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `MessageType` [INFO] [stdout] --> src/v4/un_suback.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::{error::ProtoError, MessageType}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fixed_header` [INFO] [stdout] --> src/v4/dis_connect.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use super::{decoder, fixed_header, Decoder, Encoder}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/v4/fixed_header.rs:9:22 [INFO] [stdout] | [INFO] [stdout] 9 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/v4/publish.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FixedHeaderBuilder` [INFO] [stdout] --> src/v4/un_suback.rs:2:33 [INFO] [stdout] | [INFO] [stdout] 2 | fixed_header::{FixedHeader, FixedHeaderBuilder}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::v4::builder::MqttMessageBuilder` [INFO] [stdout] --> src/v4/un_suback.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::v4::builder::MqttMessageBuilder; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `MessageType` [INFO] [stdout] --> src/v4/un_suback.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::{error::ProtoError, MessageType}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v4/builder.rs:523:18 [INFO] [stdout] | [INFO] [stdout] 523 | pub fn build(mut self) -> Result { [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] --> src/v4/builder.rs:648:18 [INFO] [stdout] | [INFO] [stdout] 648 | pub fn build(mut self) -> Result { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qos` [INFO] [stdout] --> src/v4/conn_ack.rs:170:34 [INFO] [stdout] | [INFO] [stdout] 170 | fn decode(bytes: &mut Bytes, qos: Option) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_qos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/v4/connect.rs:68:13 [INFO] [stdout] | [INFO] [stdout] 68 | let count = self.fixed_header.encode(buffer).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `connect_flags` is never read [INFO] [stdout] --> src/v4/connect.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | connect_flags |= login.write(buffer); [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: `e` [INFO] [stdout] --> src/v4/connect.rs:155:17 [INFO] [stdout] | [INFO] [stdout] 155 | Err(e) => Err(ProtoError::NotKnow), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/v4/connect.rs:236:17 [INFO] [stdout] | [INFO] [stdout] 236 | Err(e) => Err(ProtoError::NotKnow), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qos` [INFO] [stdout] --> src/v4/connect.rs:209:35 [INFO] [stdout] | [INFO] [stdout] 209 | fn decode(stream: &mut Bytes, qos: Option) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_qos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/v4/decoder.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | x => return Err(ProtoError::NotKnow), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v4/fixed_header.rs:91:18 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn check(mut byte1: &mut Bytes) -> Result { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `byte1` is never read [INFO] [stdout] --> src/v4/fixed_header.rs:207:13 [INFO] [stdout] | [INFO] [stdout] 207 | let mut byte1: u8 = 0b0000_0000; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v4/fixed_header.rs:283:9 [INFO] [stdout] | [INFO] [stdout] 283 | let mut byte1: u8 = 0b1000_0010; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `resp` is never read [INFO] [stdout] --> src/v4/fixed_header.rs:523:13 [INFO] [stdout] | [INFO] [stdout] 523 | let mut resp: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v4/builder.rs:523:18 [INFO] [stdout] | [INFO] [stdout] 523 | pub fn build(mut self) -> Result { [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] --> src/v4/builder.rs:648:18 [INFO] [stdout] | [INFO] [stdout] 648 | pub fn build(mut self) -> Result { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qos` [INFO] [stdout] --> src/v4/conn_ack.rs:170:34 [INFO] [stdout] | [INFO] [stdout] 170 | fn decode(bytes: &mut Bytes, qos: Option) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_qos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/v4/connect.rs:68:13 [INFO] [stdout] | [INFO] [stdout] 68 | let count = self.fixed_header.encode(buffer).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `connect_flags` is never read [INFO] [stdout] --> src/v4/connect.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | connect_flags |= login.write(buffer); [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: `e` [INFO] [stdout] --> src/v4/connect.rs:155:17 [INFO] [stdout] | [INFO] [stdout] 155 | Err(e) => Err(ProtoError::NotKnow), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/v4/connect.rs:236:17 [INFO] [stdout] | [INFO] [stdout] 236 | Err(e) => Err(ProtoError::NotKnow), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qos` [INFO] [stdout] --> src/v4/connect.rs:209:35 [INFO] [stdout] | [INFO] [stdout] 209 | fn decode(stream: &mut Bytes, qos: Option) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_qos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fixed_header` [INFO] [stdout] --> src/v4/connect.rs:457:13 [INFO] [stdout] | [INFO] [stdout] 457 | let fixed_header = FixedHeaderBuilder::new().connect().build(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fixed_header` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/v4/connect.rs:521:17 [INFO] [stdout] | [INFO] [stdout] 521 | Err(err) => println!("编解码出错"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/v4/decoder.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | x => return Err(ProtoError::NotKnow), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v4/fixed_header.rs:91:18 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn check(mut byte1: &mut Bytes) -> Result { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `byte1` is never read [INFO] [stdout] --> src/v4/fixed_header.rs:207:13 [INFO] [stdout] | [INFO] [stdout] 207 | let mut byte1: u8 = 0b0000_0000; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v4/fixed_header.rs:283:9 [INFO] [stdout] | [INFO] [stdout] 283 | let mut byte1: u8 = 0b1000_0010; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `resp` is never read [INFO] [stdout] --> src/v4/fixed_header.rs:523:13 [INFO] [stdout] | [INFO] [stdout] 523 | let mut resp: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qos` [INFO] [stdout] --> src/v4/mod.rs:133:34 [INFO] [stdout] | [INFO] [stdout] 133 | fn decode(bytes: &mut Bytes, qos: Option) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_qos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `remaining_len` [INFO] [stdout] --> src/v4/publish.rs:317:17 [INFO] [stdout] | [INFO] [stdout] 317 | let remaining_len = publish.fixed_header.remaining_length(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qos` [INFO] [stdout] --> src/v4/mod.rs:133:34 [INFO] [stdout] | [INFO] [stdout] 133 | fn decode(bytes: &mut Bytes, qos: Option) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_qos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `qos` is never read [INFO] [stdout] --> src/v4/builder.rs:538:5 [INFO] [stdout] | [INFO] [stdout] 537 | pub struct SubAckBuilder { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 538 | qos: QoS, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_ack.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct PubAck { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 23 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubAck` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_comp.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct PubComp { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 20 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubComp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_rec.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct PubRec { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 20 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubRec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_rel.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct PubRel { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 18 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubRel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `qos` is never read [INFO] [stdout] --> src/v4/builder.rs:538:5 [INFO] [stdout] | [INFO] [stdout] 537 | pub struct SubAckBuilder { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 538 | qos: QoS, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_fixed_header` is never used [INFO] [stdout] --> src/v4/connect.rs:460:8 [INFO] [stdout] | [INFO] [stdout] 460 | fn build_fixed_header() -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_connect_variable_header` is never used [INFO] [stdout] --> src/v4/connect.rs:474:8 [INFO] [stdout] | [INFO] [stdout] 474 | fn build_connect_variable_header() -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_ack.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct PubAck { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 23 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubAck` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_comp.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct PubComp { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 20 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubComp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_rec.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct PubRec { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 20 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubRec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_rel.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct PubRel { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 18 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubRel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/ping_req.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | ping_req.encode(&mut buffer); [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] 86 | let _ = ping_req.encode(&mut buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/publish.rs:292:13 [INFO] [stdout] | [INFO] [stdout] 292 | publish.encode(&mut buffer); [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] 292 | let _ = publish.encode(&mut buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/publish.rs:324:13 [INFO] [stdout] | [INFO] [stdout] 324 | publish.encode(&mut buffer); [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] 324 | let _ = publish.encode(&mut buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/publish.rs:337:13 [INFO] [stdout] | [INFO] [stdout] 337 | publish1.encode(&mut buffer1); [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] 337 | let _ = publish1.encode(&mut buffer1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/sub_ack.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | resp.encode(&mut bytes); [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] 135 | let _ = resp.encode(&mut bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/subscribe.rs:71:25 [INFO] [stdout] | [INFO] [stdout] 71 | temp.encode(buffer); [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] 71 | let _ = temp.encode(buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/subscribe.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 144 | sub.encode(&mut bytes); [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] 144 | let _ = sub.encode(&mut bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/un_subscribe.rs:127:9 [INFO] [stdout] | [INFO] [stdout] 127 | sub.encode(&mut bytes); [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] 127 | let _ = sub.encode(&mut bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/subscribe.rs:71:25 [INFO] [stdout] | [INFO] [stdout] 71 | temp.encode(buffer); [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] 71 | let _ = temp.encode(buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 42 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 26 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.89s [INFO] running `Command { std: "docker" "inspect" "746df6a0d38ee32db06e9edd5915bd39f4ff4fc186401ddf2cd53a732b85bbf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "746df6a0d38ee32db06e9edd5915bd39f4ff4fc186401ddf2cd53a732b85bbf6", kill_on_drop: false }` [INFO] [stdout] 746df6a0d38ee32db06e9edd5915bd39f4ff4fc186401ddf2cd53a732b85bbf6 [INFO] checking walle_mqtt_protocol-0.1.9 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate walle_mqtt_protocol 0.1.9 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate walle_mqtt_protocol 0.1.9 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate walle_mqtt_protocol 0.1.9 [INFO] finished tweaking crates.io crate walle_mqtt_protocol 0.1.9 [INFO] tweaked toml for crates.io crate walle_mqtt_protocol 0.1.9 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 093bf11d595d1bebf962e8bf75c7d52160fb90edcc21dfe2ef68722be9429c81 [INFO] running `Command { std: "docker" "start" "-a" "093bf11d595d1bebf962e8bf75c7d52160fb90edcc21dfe2ef68722be9429c81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "093bf11d595d1bebf962e8bf75c7d52160fb90edcc21dfe2ef68722be9429c81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "093bf11d595d1bebf962e8bf75c7d52160fb90edcc21dfe2ef68722be9429c81", kill_on_drop: false }` [INFO] [stdout] 093bf11d595d1bebf962e8bf75c7d52160fb90edcc21dfe2ef68722be9429c81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8a5af6c537c4ebf41da8b7bec91ef1580e99d2b1e836a6826952b0a32b9f4f2 [INFO] running `Command { std: "docker" "start" "-a" "e8a5af6c537c4ebf41da8b7bec91ef1580e99d2b1e836a6826952b0a32b9f4f2", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Checking tracing-log v0.1.4 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking opentelemetry_api v0.18.0 [INFO] [stderr] Checking opentelemetry_sdk v0.18.0 [INFO] [stderr] Checking opentelemetry v0.18.0 [INFO] [stderr] Checking tracing-serde v0.1.3 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking tracing-opentelemetry v0.18.0 [INFO] [stderr] Checking tracing-appender v0.2.3 [INFO] [stderr] Checking walle_mqtt_protocol v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `fixed_header` [INFO] [stdout] --> src/v4/dis_connect.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use super::{decoder, fixed_header, Decoder, Encoder}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/v4/fixed_header.rs:9:22 [INFO] [stdout] | [INFO] [stdout] 9 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/v4/publish.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FixedHeaderBuilder` [INFO] [stdout] --> src/v4/un_suback.rs:2:33 [INFO] [stdout] | [INFO] [stdout] 2 | fixed_header::{FixedHeader, FixedHeaderBuilder}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::v4::builder::MqttMessageBuilder` [INFO] [stdout] --> src/v4/un_suback.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::v4::builder::MqttMessageBuilder; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `MessageType` [INFO] [stdout] --> src/v4/un_suback.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::{error::ProtoError, MessageType}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fixed_header` [INFO] [stdout] --> src/v4/dis_connect.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use super::{decoder, fixed_header, Decoder, Encoder}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/v4/fixed_header.rs:9:22 [INFO] [stdout] | [INFO] [stdout] 9 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Buf` [INFO] [stdout] --> src/v4/ping_req.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | use bytes::{Buf, BytesMut}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/v4/publish.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Bytes` [INFO] [stdout] --> src/v4/publish.rs:271:17 [INFO] [stdout] | [INFO] [stdout] 271 | use bytes::{Bytes, BytesMut}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tracing::info` [INFO] [stdout] --> src/v4/publish.rs:272:9 [INFO] [stdout] | [INFO] [stdout] 272 | use tracing::info; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `QoS` [INFO] [stdout] --> src/v4/sub_ack.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 121 | QoS, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FixedHeaderBuilder` [INFO] [stdout] --> src/v4/un_suback.rs:2:33 [INFO] [stdout] | [INFO] [stdout] 2 | fixed_header::{FixedHeader, FixedHeaderBuilder}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::v4::builder::MqttMessageBuilder` [INFO] [stdout] --> src/v4/un_suback.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::v4::builder::MqttMessageBuilder; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `MessageType` [INFO] [stdout] --> src/v4/un_suback.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::{error::ProtoError, MessageType}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v4/builder.rs:523:18 [INFO] [stdout] | [INFO] [stdout] 523 | pub fn build(mut self) -> Result { [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] --> src/v4/builder.rs:648:18 [INFO] [stdout] | [INFO] [stdout] 648 | pub fn build(mut self) -> Result { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qos` [INFO] [stdout] --> src/v4/conn_ack.rs:170:34 [INFO] [stdout] | [INFO] [stdout] 170 | fn decode(bytes: &mut Bytes, qos: Option) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_qos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/v4/connect.rs:68:13 [INFO] [stdout] | [INFO] [stdout] 68 | let count = self.fixed_header.encode(buffer).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `connect_flags` is never read [INFO] [stdout] --> src/v4/connect.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | connect_flags |= login.write(buffer); [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: `e` [INFO] [stdout] --> src/v4/connect.rs:155:17 [INFO] [stdout] | [INFO] [stdout] 155 | Err(e) => Err(ProtoError::NotKnow), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/v4/connect.rs:236:17 [INFO] [stdout] | [INFO] [stdout] 236 | Err(e) => Err(ProtoError::NotKnow), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qos` [INFO] [stdout] --> src/v4/connect.rs:209:35 [INFO] [stdout] | [INFO] [stdout] 209 | fn decode(stream: &mut Bytes, qos: Option) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_qos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/v4/decoder.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | x => return Err(ProtoError::NotKnow), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v4/fixed_header.rs:91:18 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn check(mut byte1: &mut Bytes) -> Result { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `byte1` is never read [INFO] [stdout] --> src/v4/fixed_header.rs:207:13 [INFO] [stdout] | [INFO] [stdout] 207 | let mut byte1: u8 = 0b0000_0000; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v4/fixed_header.rs:283:9 [INFO] [stdout] | [INFO] [stdout] 283 | let mut byte1: u8 = 0b1000_0010; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `resp` is never read [INFO] [stdout] --> src/v4/fixed_header.rs:523:13 [INFO] [stdout] | [INFO] [stdout] 523 | let mut resp: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qos` [INFO] [stdout] --> src/v4/mod.rs:133:34 [INFO] [stdout] | [INFO] [stdout] 133 | fn decode(bytes: &mut Bytes, qos: Option) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_qos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `qos` is never read [INFO] [stdout] --> src/v4/builder.rs:538:5 [INFO] [stdout] | [INFO] [stdout] 537 | pub struct SubAckBuilder { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 538 | qos: QoS, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_ack.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct PubAck { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 23 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubAck` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_comp.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct PubComp { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 20 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubComp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_rec.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct PubRec { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 20 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubRec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_rel.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct PubRel { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 18 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubRel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/subscribe.rs:71:25 [INFO] [stdout] | [INFO] [stdout] 71 | temp.encode(buffer); [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] 71 | let _ = temp.encode(buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 26 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v4/builder.rs:523:18 [INFO] [stdout] | [INFO] [stdout] 523 | pub fn build(mut self) -> Result { [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] --> src/v4/builder.rs:648:18 [INFO] [stdout] | [INFO] [stdout] 648 | pub fn build(mut self) -> Result { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qos` [INFO] [stdout] --> src/v4/conn_ack.rs:170:34 [INFO] [stdout] | [INFO] [stdout] 170 | fn decode(bytes: &mut Bytes, qos: Option) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_qos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/v4/connect.rs:68:13 [INFO] [stdout] | [INFO] [stdout] 68 | let count = self.fixed_header.encode(buffer).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `connect_flags` is never read [INFO] [stdout] --> src/v4/connect.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | connect_flags |= login.write(buffer); [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: `e` [INFO] [stdout] --> src/v4/connect.rs:155:17 [INFO] [stdout] | [INFO] [stdout] 155 | Err(e) => Err(ProtoError::NotKnow), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/v4/connect.rs:236:17 [INFO] [stdout] | [INFO] [stdout] 236 | Err(e) => Err(ProtoError::NotKnow), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qos` [INFO] [stdout] --> src/v4/connect.rs:209:35 [INFO] [stdout] | [INFO] [stdout] 209 | fn decode(stream: &mut Bytes, qos: Option) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_qos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fixed_header` [INFO] [stdout] --> src/v4/connect.rs:457:13 [INFO] [stdout] | [INFO] [stdout] 457 | let fixed_header = FixedHeaderBuilder::new().connect().build(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fixed_header` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/v4/connect.rs:521:17 [INFO] [stdout] | [INFO] [stdout] 521 | Err(err) => println!("编解码出错"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/v4/decoder.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | x => return Err(ProtoError::NotKnow), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v4/fixed_header.rs:91:18 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn check(mut byte1: &mut Bytes) -> Result { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `byte1` is never read [INFO] [stdout] --> src/v4/fixed_header.rs:207:13 [INFO] [stdout] | [INFO] [stdout] 207 | let mut byte1: u8 = 0b0000_0000; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v4/fixed_header.rs:283:9 [INFO] [stdout] | [INFO] [stdout] 283 | let mut byte1: u8 = 0b1000_0010; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `resp` is never read [INFO] [stdout] --> src/v4/fixed_header.rs:523:13 [INFO] [stdout] | [INFO] [stdout] 523 | let mut resp: usize = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `remaining_len` [INFO] [stdout] --> src/v4/publish.rs:317:17 [INFO] [stdout] | [INFO] [stdout] 317 | let remaining_len = publish.fixed_header.remaining_length(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qos` [INFO] [stdout] --> src/v4/mod.rs:133:34 [INFO] [stdout] | [INFO] [stdout] 133 | fn decode(bytes: &mut Bytes, qos: Option) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_qos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `qos` is never read [INFO] [stdout] --> src/v4/builder.rs:538:5 [INFO] [stdout] | [INFO] [stdout] 537 | pub struct SubAckBuilder { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 538 | qos: QoS, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_fixed_header` is never used [INFO] [stdout] --> src/v4/connect.rs:460:8 [INFO] [stdout] | [INFO] [stdout] 460 | fn build_fixed_header() -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_connect_variable_header` is never used [INFO] [stdout] --> src/v4/connect.rs:474:8 [INFO] [stdout] | [INFO] [stdout] 474 | fn build_connect_variable_header() -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_ack.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct PubAck { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 23 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubAck` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_comp.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct PubComp { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 20 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubComp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_rec.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct PubRec { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 20 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubRec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fixed_header` is never read [INFO] [stdout] --> src/v4/pub_rel.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct PubRel { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 18 | fixed_header: FixedHeader, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PubRel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/ping_req.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | ping_req.encode(&mut buffer); [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] 86 | let _ = ping_req.encode(&mut buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/publish.rs:292:13 [INFO] [stdout] | [INFO] [stdout] 292 | publish.encode(&mut buffer); [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] 292 | let _ = publish.encode(&mut buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/publish.rs:324:13 [INFO] [stdout] | [INFO] [stdout] 324 | publish.encode(&mut buffer); [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] 324 | let _ = publish.encode(&mut buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/publish.rs:337:13 [INFO] [stdout] | [INFO] [stdout] 337 | publish1.encode(&mut buffer1); [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] 337 | let _ = publish1.encode(&mut buffer1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/sub_ack.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | resp.encode(&mut bytes); [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] 135 | let _ = resp.encode(&mut bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/subscribe.rs:71:25 [INFO] [stdout] | [INFO] [stdout] 71 | temp.encode(buffer); [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] 71 | let _ = temp.encode(buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/subscribe.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 144 | sub.encode(&mut bytes); [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] 144 | let _ = sub.encode(&mut bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v4/un_subscribe.rs:127:9 [INFO] [stdout] | [INFO] [stdout] 127 | sub.encode(&mut bytes); [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] 127 | let _ = sub.encode(&mut bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 42 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.54s [INFO] running `Command { std: "docker" "inspect" "e8a5af6c537c4ebf41da8b7bec91ef1580e99d2b1e836a6826952b0a32b9f4f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8a5af6c537c4ebf41da8b7bec91ef1580e99d2b1e836a6826952b0a32b9f4f2", kill_on_drop: false }` [INFO] [stdout] e8a5af6c537c4ebf41da8b7bec91ef1580e99d2b1e836a6826952b0a32b9f4f2