[INFO] fetching crate rocketmq-rust 0.6.0...
[INFO] testing rocketmq-rust-0.6.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rocketmq-rust 0.6.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rocketmq-rust 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rocketmq-rust 0.6.0
[INFO] tweaked toml for crates.io crate rocketmq-rust 0.6.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rocketmq-rust 0.6.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rocketmq-rust 0.6.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.100
[INFO] [stderr]   Downloaded unicode-ident v1.0.18
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[INFO] [stderr]   Downloaded bumpalo v3.17.0
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[INFO] [stderr]   Downloaded rocketmq-error v0.6.0
[INFO] [stderr]   Downloaded wasi v0.11.0+wasi-snapshot-preview1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1345b19a7a111dca19b7cf538addc28d187f6cd3bddf3e4a959b5f099d6f7f7f
[INFO] running `Command { std: "docker" "start" "-a" "1345b19a7a111dca19b7cf538addc28d187f6cd3bddf3e4a959b5f099d6f7f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1345b19a7a111dca19b7cf538addc28d187f6cd3bddf3e4a959b5f099d6f7f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1345b19a7a111dca19b7cf538addc28d187f6cd3bddf3e4a959b5f099d6f7f7f", kill_on_drop: false }`
[INFO] [stdout] 1345b19a7a111dca19b7cf538addc28d187f6cd3bddf3e4a959b5f099d6f7f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01e2997f55212698b7504a4f101e58359358f5676f2c85d5dbf31f48eeccbcd8
[INFO] running `Command { std: "docker" "start" "-a" "01e2997f55212698b7504a4f101e58359358f5676f2c85d5dbf31f48eeccbcd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling thiserror v2.0.15
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling winnow v0.6.26
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling uuid v1.18.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling cron v0.15.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.15
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling trait-variant v0.1.2
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling rocketmq-error v0.6.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling rocketmq-rust v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(sync_unsafe_cell)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rocketmq-rust` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "01e2997f55212698b7504a4f101e58359358f5676f2c85d5dbf31f48eeccbcd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01e2997f55212698b7504a4f101e58359358f5676f2c85d5dbf31f48eeccbcd8", kill_on_drop: false }`
[INFO] [stdout] 01e2997f55212698b7504a4f101e58359358f5676f2c85d5dbf31f48eeccbcd8