[INFO] fetching crate mqttier 0.7.0... [INFO] testing mqttier-0.7.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate mqttier 0.7.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate mqttier 0.7.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate mqttier 0.7.0 [INFO] tweaked toml for crates.io crate mqttier 0.7.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mqttier 0.7.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mqttier 0.7.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0dce1660659431bb8504ca85beb0ad92e41ee03a8c095211041bda14147ed605 [INFO] running `Command { std: "docker" "start" "-a" "0dce1660659431bb8504ca85beb0ad92e41ee03a8c095211041bda14147ed605", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0dce1660659431bb8504ca85beb0ad92e41ee03a8c095211041bda14147ed605", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dce1660659431bb8504ca85beb0ad92e41ee03a8c095211041bda14147ed605", kill_on_drop: false }` [INFO] [stdout] 0dce1660659431bb8504ca85beb0ad92e41ee03a8c095211041bda14147ed605 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53bb57f4317429020212ca2798ebcbac8628bb7246498d5fc5c5caaddc03dd9c [INFO] running `Command { std: "docker" "start" "-a" "53bb57f4317429020212ca2798ebcbac8628bb7246498d5fc5c5caaddc03dd9c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling cc v1.2.43 [INFO] [stderr] Compiling rustls v0.22.4 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling rustls-pemfile v2.2.0 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling flume v0.11.1 [INFO] [stderr] Compiling rustls-native-certs v0.7.3 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling uuid v1.18.1 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling tokio v1.48.0 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling rustls-webpki v0.102.8 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Compiling derive_builder_core v0.20.2 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling derive_builder_macro v0.20.2 [INFO] [stderr] Compiling derive_builder v0.20.2 [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling tokio-rustls v0.25.0 [INFO] [stderr] Compiling stinger-mqtt-trait v0.5.1 [INFO] [stderr] Compiling rumqttc v0.24.0 [INFO] [stderr] Compiling mqttier v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `topic_to_subscription_ids` [INFO] [stdout] --> src/lib.rs:651:9 [INFO] [stdout] | [INFO] [stdout] 651 | topic_to_subscription_ids: Arc>>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_topic_to_subscription_ids` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mqtt_options` is never read [INFO] [stdout] --> src/lib.rs:168:5 [INFO] [stdout] | [INFO] [stdout] 128 | pub struct MqttierClient { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 168 | mqtt_options: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MqttierClient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.78s [INFO] running `Command { std: "docker" "inspect" "53bb57f4317429020212ca2798ebcbac8628bb7246498d5fc5c5caaddc03dd9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53bb57f4317429020212ca2798ebcbac8628bb7246498d5fc5c5caaddc03dd9c", kill_on_drop: false }` [INFO] [stdout] 53bb57f4317429020212ca2798ebcbac8628bb7246498d5fc5c5caaddc03dd9c [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a60c753c6364ad074fe0c03a0f5e773ef0736039846c93a04d8c05df6f6e45f6 [INFO] running `Command { std: "docker" "start" "-a" "a60c753c6364ad074fe0c03a0f5e773ef0736039846c93a04d8c05df6f6e45f6", kill_on_drop: false }` [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling rustls v0.22.4 [INFO] [stderr] Compiling matchers v0.2.0 [INFO] [stderr] Compiling tokio-rustls v0.25.0 [INFO] [stderr] Compiling tracing-subscriber v0.3.20 [INFO] [stderr] Compiling rumqttc v0.24.0 [INFO] [stderr] Compiling stinger-mqtt-trait v0.5.1 [INFO] [stderr] Compiling mqttier v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `topic_to_subscription_ids` [INFO] [stdout] --> src/lib.rs:651:9 [INFO] [stdout] | [INFO] [stdout] 651 | topic_to_subscription_ids: Arc>>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_topic_to_subscription_ids` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topic_to_subscription_ids` [INFO] [stdout] --> src/lib.rs:651:9 [INFO] [stdout] | [INFO] [stdout] 651 | topic_to_subscription_ids: Arc>>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_topic_to_subscription_ids` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mqtt_options` is never read [INFO] [stdout] --> src/lib.rs:168:5 [INFO] [stdout] | [INFO] [stdout] 128 | pub struct MqttierClient { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 168 | mqtt_options: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MqttierClient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mqtt_options` is never read [INFO] [stdout] --> src/lib.rs:168:5 [INFO] [stdout] | [INFO] [stdout] 128 | pub struct MqttierClient { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 168 | mqtt_options: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MqttierClient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stinger_mqtt_trait::Mqtt5PubSub` [INFO] [stdout] --> examples/metrics_demo.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use stinger_mqtt_trait::Mqtt5PubSub; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 19.05s [INFO] running `Command { std: "docker" "inspect" "a60c753c6364ad074fe0c03a0f5e773ef0736039846c93a04d8c05df6f6e45f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a60c753c6364ad074fe0c03a0f5e773ef0736039846c93a04d8c05df6f6e45f6", kill_on_drop: false }` [INFO] [stdout] a60c753c6364ad074fe0c03a0f5e773ef0736039846c93a04d8c05df6f6e45f6 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0fc9ef5d02cf5535da585e94117469202a1881553343ffa0431155730822efc7 [INFO] running `Command { std: "docker" "start" "-a" "0fc9ef5d02cf5535da585e94117469202a1881553343ffa0431155730822efc7", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `topic_to_subscription_ids` [INFO] [stderr] --> src/lib.rs:651:9 [INFO] [stderr] | [INFO] [stderr] 651 | topic_to_subscription_ids: Arc>>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_topic_to_subscription_ids` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `mqtt_options` is never read [INFO] [stderr] --> src/lib.rs:168:5 [INFO] [stderr] | [INFO] [stderr] 128 | pub struct MqttierClient { [INFO] [stderr] | ------------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 168 | mqtt_options: Arc>, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `MqttierClient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `mqttier` (lib) generated 2 warnings (run `cargo fix --lib -p mqttier` to apply 1 suggestion) [INFO] [stderr] warning: unused import: `stinger_mqtt_trait::Mqtt5PubSub` [INFO] [stderr] --> examples/metrics_demo.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use stinger_mqtt_trait::Mqtt5PubSub; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `mqttier` (example "metrics_demo") generated 1 warning (run `cargo fix --example "metrics_demo" -p mqttier` to apply 1 suggestion) [INFO] [stderr] warning: `mqttier` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mqttier-37bce8fa970c8b29) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_client_creation_with_id ... ok [INFO] [stdout] test validation_tests::test_mqtt_client_trait_implementation ... ok [INFO] [stdout] test tests::test_client_creation ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests mqttier [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0fc9ef5d02cf5535da585e94117469202a1881553343ffa0431155730822efc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fc9ef5d02cf5535da585e94117469202a1881553343ffa0431155730822efc7", kill_on_drop: false }` [INFO] [stdout] 0fc9ef5d02cf5535da585e94117469202a1881553343ffa0431155730822efc7