[INFO] fetching crate tinymqtt 0.1.3...
[INFO] testing tinymqtt-0.1.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tinymqtt 0.1.3 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tinymqtt 0.1.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e08b175ed8699fc5a7da01c685e6b0742be08a35cfe6b6539d4474869c6a042
[INFO] running `Command { std: "docker" "start" "-a" "0e08b175ed8699fc5a7da01c685e6b0742be08a35cfe6b6539d4474869c6a042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e08b175ed8699fc5a7da01c685e6b0742be08a35cfe6b6539d4474869c6a042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e08b175ed8699fc5a7da01c685e6b0742be08a35cfe6b6539d4474869c6a042", kill_on_drop: false }`
[INFO] [stdout] 0e08b175ed8699fc5a7da01c685e6b0742be08a35cfe6b6539d4474869c6a042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5819c19d225b5baa40c33530bf0977e8c5de5bb9181d43d7b0b44dd803927e70
[INFO] running `Command { std: "docker" "start" "-a" "5819c19d225b5baa40c33530bf0977e8c5de5bb9181d43d7b0b44dd803927e70", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[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 4.56s
[INFO] running `Command { std: "docker" "inspect" "5819c19d225b5baa40c33530bf0977e8c5de5bb9181d43d7b0b44dd803927e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5819c19d225b5baa40c33530bf0977e8c5de5bb9181d43d7b0b44dd803927e70", kill_on_drop: false }`
[INFO] [stdout] 5819c19d225b5baa40c33530bf0977e8c5de5bb9181d43d7b0b44dd803927e70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d2d0b726c43b1d42e8d9c7fd5e94362882cdca0f244f0b2f9d15074331057a2
[INFO] running `Command { std: "docker" "start" "-a" "6d2d0b726c43b1d42e8d9c7fd5e94362882cdca0f244f0b2f9d15074331057a2", 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 0.64s
[INFO] running `Command { std: "docker" "inspect" "6d2d0b726c43b1d42e8d9c7fd5e94362882cdca0f244f0b2f9d15074331057a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2d0b726c43b1d42e8d9c7fd5e94362882cdca0f244f0b2f9d15074331057a2", kill_on_drop: false }`
[INFO] [stdout] 6d2d0b726c43b1d42e8d9c7fd5e94362882cdca0f244f0b2f9d15074331057a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce217b5b45f99e5f849486a3b1d66d1d3f05311ee535eebd289a3845499f3c63
[INFO] running `Command { std: "docker" "start" "-a" "ce217b5b45f99e5f849486a3b1d66d1d3f05311ee535eebd289a3845499f3c63", 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tinymqtt-fa5ea5ecfad7f8ee)
[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" "ce217b5b45f99e5f849486a3b1d66d1d3f05311ee535eebd289a3845499f3c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce217b5b45f99e5f849486a3b1d66d1d3f05311ee535eebd289a3845499f3c63", kill_on_drop: false }`
[INFO] [stdout] ce217b5b45f99e5f849486a3b1d66d1d3f05311ee535eebd289a3845499f3c63
