[INFO] cloning repository https://github.com/chirpstack/chirpstack-mqtt-forwarder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chirpstack/chirpstack-mqtt-forwarder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirpstack%2Fchirpstack-mqtt-forwarder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirpstack%2Fchirpstack-mqtt-forwarder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f955af7889808a0b64e215197cae8ae353eaa429
[INFO] checking chirpstack/chirpstack-mqtt-forwarder against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirpstack%2Fchirpstack-mqtt-forwarder" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder 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] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder
[INFO] finished tweaking git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder
[INFO] tweaked toml for git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6ae714c013435682c4e2e636725576157050984409793b982ae597c39623aa44
[INFO] running `Command { std: "docker" "start" "-a" "6ae714c013435682c4e2e636725576157050984409793b982ae597c39623aa44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae714c013435682c4e2e636725576157050984409793b982ae597c39623aa44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae714c013435682c4e2e636725576157050984409793b982ae597c39623aa44", kill_on_drop: false }`
[INFO] [stdout] 6ae714c013435682c4e2e636725576157050984409793b982ae597c39623aa44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4665a8ebfc306e94267a55254608aa208aa3a5663d16873f4dc2119db5e31175
[INFO] running `Command { std: "docker" "start" "-a" "4665a8ebfc306e94267a55254608aa208aa3a5663d16873f4dc2119db5e31175", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
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[INFO] [stderr]    Compiling prost v0.12.3
[INFO] [stderr]    Compiling pest v2.7.8
[INFO] [stderr]     Checking sha1 v0.10.6
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[INFO] [stderr]    Compiling prost-types v0.12.3
[INFO] [stderr]     Checking url v2.5.0
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[INFO] [stderr]    Compiling async_io_stream v0.3.3
[INFO] [stderr]     Checking utf-8 v0.7.6
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[INFO] [stderr]     Checking openssl-probe v0.1.5
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[INFO] [stderr]    Compiling num-conv v0.1.0
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[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling prost-build v0.12.3
[INFO] [stderr]    Compiling pbjson-build v0.6.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]    Compiling pest_meta v2.7.8
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling tonic-build v0.10.2
[INFO] [stderr]    Compiling pbjson-types v0.6.0
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[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling serde_json v1.0.114
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[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking chrono v0.4.35
[INFO] [stderr]    Compiling chirpstack_api v4.7.0
[INFO] [stderr]     Checking async-tungstenite v0.25.0
[INFO] [stderr]    Compiling pest_generator v2.7.8
[INFO] [stderr]    Compiling zmq v0.10.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking pbjson v0.6.0
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[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling async-trait v0.1.78
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[INFO] [stderr]     Checking colored v2.1.0
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[INFO] [stderr]    Compiling clap_derive v4.5.3
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[INFO] [stderr]     Checking rumqttc v0.24.0
[INFO] [stderr]     Checking humantime-serde v1.1.1
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[INFO] [stderr]     Checking clap v4.5.3
[INFO] [stderr]     Checking chirpstack-mqtt-forwarder v4.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/backend/semtech_udp/structs.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/backend/semtech_udp/structs.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandTopicContext` is never constructed
[INFO] [stdout]   --> src/mqtt.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct CommandTopicContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EventTopicContext` is never constructed
[INFO] [stdout]   --> src/mqtt.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct EventTopicContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StateTopciContext` is never constructed
[INFO] [stdout]   --> src/mqtt.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct StateTopciContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandTopicContext` is never constructed
[INFO] [stdout]   --> src/mqtt.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct CommandTopicContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EventTopicContext` is never constructed
[INFO] [stdout]   --> src/mqtt.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct EventTopicContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StateTopciContext` is never constructed
[INFO] [stdout]   --> src/mqtt.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct StateTopciContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 08s
[INFO] running `Command { std: "docker" "inspect" "4665a8ebfc306e94267a55254608aa208aa3a5663d16873f4dc2119db5e31175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4665a8ebfc306e94267a55254608aa208aa3a5663d16873f4dc2119db5e31175", kill_on_drop: false }`
[INFO] [stdout] 4665a8ebfc306e94267a55254608aa208aa3a5663d16873f4dc2119db5e31175
[INFO] checking chirpstack/chirpstack-mqtt-forwarder against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirpstack%2Fchirpstack-mqtt-forwarder" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder 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] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder
[INFO] finished tweaking git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder
[INFO] tweaked toml for git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 58b889a103eafb1b0b5feb015a1bfcf5f880c14c5b364404b4e9834ad0e6bb48
[INFO] running `Command { std: "docker" "start" "-a" "58b889a103eafb1b0b5feb015a1bfcf5f880c14c5b364404b4e9834ad0e6bb48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58b889a103eafb1b0b5feb015a1bfcf5f880c14c5b364404b4e9834ad0e6bb48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b889a103eafb1b0b5feb015a1bfcf5f880c14c5b364404b4e9834ad0e6bb48", kill_on_drop: false }`
[INFO] [stdout] 58b889a103eafb1b0b5feb015a1bfcf5f880c14c5b364404b4e9834ad0e6bb48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3069ea422184c09db88ac7de1967587668136bd58a7b17308ba33eab12a2839a
[INFO] running `Command { std: "docker" "start" "-a" "3069ea422184c09db88ac7de1967587668136bd58a7b17308ba33eab12a2839a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
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[INFO] [stderr]    Compiling async-trait v0.1.78
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling zmq v0.10.0
[INFO] [stderr]    Compiling pest_derive v2.7.8
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling clap_derive v4.5.3
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking rumqttc v0.24.0
[INFO] [stderr]     Checking handlebars v5.1.0
[INFO] [stderr]     Checking syslog v6.1.0
[INFO] [stderr]     Checking simple_logger v4.3.3
[INFO] [stderr]     Checking lrwn_filters v4.7.0
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking clap v4.5.3
[INFO] [stderr]     Checking chirpstack-mqtt-forwarder v4.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/backend/semtech_udp/structs.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/backend/semtech_udp/structs.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandTopicContext` is never constructed
[INFO] [stdout]   --> src/mqtt.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct CommandTopicContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EventTopicContext` is never constructed
[INFO] [stdout]   --> src/mqtt.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct EventTopicContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StateTopciContext` is never constructed
[INFO] [stdout]   --> src/mqtt.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct StateTopciContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandTopicContext` is never constructed
[INFO] [stdout]   --> src/mqtt.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct CommandTopicContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EventTopicContext` is never constructed
[INFO] [stdout]   --> src/mqtt.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct EventTopicContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StateTopciContext` is never constructed
[INFO] [stdout]   --> src/mqtt.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct StateTopciContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 09s
[INFO] running `Command { std: "docker" "inspect" "3069ea422184c09db88ac7de1967587668136bd58a7b17308ba33eab12a2839a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3069ea422184c09db88ac7de1967587668136bd58a7b17308ba33eab12a2839a", kill_on_drop: false }`
[INFO] [stdout] 3069ea422184c09db88ac7de1967587668136bd58a7b17308ba33eab12a2839a