[INFO] fetching crate mcai_worker_sdk 2.0.0-rc5...
[INFO] documenting mcai_worker_sdk-2.0.0-rc5 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate mcai_worker_sdk 2.0.0-rc5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mcai_worker_sdk 2.0.0-rc5 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcai_worker_sdk 2.0.0-rc5
[INFO] finished tweaking crates.io crate mcai_worker_sdk 2.0.0-rc5
[INFO] tweaked toml for crates.io crate mcai_worker_sdk 2.0.0-rc5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate mcai_worker_sdk 2.0.0-rc5 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bc89ad153dd11c022c08ec1b5796e10a5cffa2930450c66b0065f5aa66bf214
[INFO] running `Command { std: "docker" "start" "-a" "5bc89ad153dd11c022c08ec1b5796e10a5cffa2930450c66b0065f5aa66bf214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bc89ad153dd11c022c08ec1b5796e10a5cffa2930450c66b0065f5aa66bf214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc89ad153dd11c022c08ec1b5796e10a5cffa2930450c66b0065f5aa66bf214", kill_on_drop: false }`
[INFO] [stdout] 5bc89ad153dd11c022c08ec1b5796e10a5cffa2930450c66b0065f5aa66bf214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78619f669aac4e968290eff0e79f304c097b93a6253877dd6bac0ec8eb3cf8d6
[INFO] running `Command { std: "docker" "start" "-a" "78619f669aac4e968290eff0e79f304c097b93a6253877dd6bac0ec8eb3cf8d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling serde_derive v1.0.159
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[INFO] [stderr]    Compiling serde_json v1.0.95
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[INFO] [stderr]    Compiling openssl v0.10.48
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[INFO] [stderr]     Checking thread-id v4.0.0
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[INFO] [stderr]    Compiling xml-rs v0.8.4
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[INFO] [stderr]     Checking bytecount v0.6.3
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[INFO] [stderr]     Checking clap_builder v4.1.14
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking fraction v0.12.2
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking ctrlc v3.2.5
[INFO] [stderr]    Compiling tokio-macros v2.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling clap_derive v4.1.14
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]     Checking backtrace v0.3.67
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.27
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling schemars_derive v0.8.12
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/thiserror-1.0.40/src/lib.rs:239:34
[INFO] [stdout]     |
[INFO] [stdout] 239 | #![cfg_attr(provide_any, feature(provide_any))]
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thiserror` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "78619f669aac4e968290eff0e79f304c097b93a6253877dd6bac0ec8eb3cf8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78619f669aac4e968290eff0e79f304c097b93a6253877dd6bac0ec8eb3cf8d6", kill_on_drop: false }`
[INFO] [stdout] 78619f669aac4e968290eff0e79f304c097b93a6253877dd6bac0ec8eb3cf8d6
