[INFO] fetching crate tinymqtt 0.1.3...
[INFO] testing tinymqtt-0.1.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tinymqtt 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tinymqtt 0.1.3
[INFO] finished tweaking crates.io crate tinymqtt 0.1.3
[INFO] tweaked toml for crates.io crate tinymqtt 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tinymqtt 0.1.3 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 tinymqtt 0.1.3 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c0130f2f9890bef4dc1488d392d9c272828ed9f828fbf525b86275c8290205d4
[INFO] running `Command { std: "docker" "start" "-a" "c0130f2f9890bef4dc1488d392d9c272828ed9f828fbf525b86275c8290205d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0130f2f9890bef4dc1488d392d9c272828ed9f828fbf525b86275c8290205d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0130f2f9890bef4dc1488d392d9c272828ed9f828fbf525b86275c8290205d4", kill_on_drop: false }`
[INFO] [stdout] c0130f2f9890bef4dc1488d392d9c272828ed9f828fbf525b86275c8290205d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5dc850e52789ea1b695aef317d00ff73fa52b56d5e23b8898adbbc796f06a807
[INFO] running `Command { std: "docker" "start" "-a" "5dc850e52789ea1b695aef317d00ff73fa52b56d5e23b8898adbbc796f06a807", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling tinymqtt v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "5dc850e52789ea1b695aef317d00ff73fa52b56d5e23b8898adbbc796f06a807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc850e52789ea1b695aef317d00ff73fa52b56d5e23b8898adbbc796f06a807", kill_on_drop: false }`
[INFO] [stdout] 5dc850e52789ea1b695aef317d00ff73fa52b56d5e23b8898adbbc796f06a807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8729f7887ce095de235df3d9170bba51d1e630c125aaf53349786d110acdee80
[INFO] running `Command { std: "docker" "start" "-a" "8729f7887ce095de235df3d9170bba51d1e630c125aaf53349786d110acdee80", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinymqtt v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> examples/example.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |             .receive_packet(&rx_bytes[..len], |client, topic, data| {
[INFO] [stdout]    |                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> examples/example.rs:20:44
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .receive_packet(&rx_bytes[..len], |client, topic, data| {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "8729f7887ce095de235df3d9170bba51d1e630c125aaf53349786d110acdee80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8729f7887ce095de235df3d9170bba51d1e630c125aaf53349786d110acdee80", kill_on_drop: false }`
[INFO] [stdout] 8729f7887ce095de235df3d9170bba51d1e630c125aaf53349786d110acdee80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2066aa17ca8dff57d6751a4ec13cce8eca1962d417cdddfe8fd19dc6af88300e
[INFO] running `Command { std: "docker" "start" "-a" "2066aa17ca8dff57d6751a4ec13cce8eca1962d417cdddfe8fd19dc6af88300e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `client`
[INFO] [stderr]   --> examples/example.rs:36:48
[INFO] [stderr]    |
[INFO] [stderr] 36 |             .receive_packet(&rx_bytes[..len], |client, topic, data| {
[INFO] [stderr]    |                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `client`
[INFO] [stderr]   --> examples/example.rs:20:44
[INFO] [stderr]    |
[INFO] [stderr] 20 |         .receive_packet(&rx_bytes[..len], |client, topic, data| {
[INFO] [stderr]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stderr] 
[INFO] [stderr] warning: `tinymqtt` (example "example") generated 2 warnings (run `cargo fix --example "example" -p tinymqtt` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tinymqtt-93a463bb3aa7658f)
[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] [stderr]    Doc-tests tinymqtt
[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" "2066aa17ca8dff57d6751a4ec13cce8eca1962d417cdddfe8fd19dc6af88300e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2066aa17ca8dff57d6751a4ec13cce8eca1962d417cdddfe8fd19dc6af88300e", kill_on_drop: false }`
[INFO] [stdout] 2066aa17ca8dff57d6751a4ec13cce8eca1962d417cdddfe8fd19dc6af88300e