[INFO] fetching crate context-rs 0.2.2...
[INFO] documenting context-rs-0.2.2 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate context-rs 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate context-rs 0.2.2 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 context-rs 0.2.2
[INFO] finished tweaking crates.io crate context-rs 0.2.2
[INFO] tweaked toml for crates.io crate context-rs 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1d2f58988bb4024811b4308d48015990239fe6004049d7d224578546ff25e200
[INFO] running `Command { std: "docker" "start" "-a" "1d2f58988bb4024811b4308d48015990239fe6004049d7d224578546ff25e200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d2f58988bb4024811b4308d48015990239fe6004049d7d224578546ff25e200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2f58988bb4024811b4308d48015990239fe6004049d7d224578546ff25e200", kill_on_drop: false }`
[INFO] [stdout] 1d2f58988bb4024811b4308d48015990239fe6004049d7d224578546ff25e200
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] afb0213d6ddec22adc9b1e669f03d07c8aed6da48ed77ab8f0534629251796f9
[INFO] running `Command { std: "docker" "start" "-a" "afb0213d6ddec22adc9b1e669f03d07c8aed6da48ed77ab8f0534629251796f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]  Documenting context-rs v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(waker_getters, provide_any)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(waker_getters, provide_any)]
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `context-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name context_rs src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="tokio"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=306593351c359e7b -L dependency=/opt/rustwide/target/debug/deps --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-1bf3a2ea87bd405a.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-bea91086a9b516e0.rmeta --cap-lints=warn --crate-version 0.2.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "afb0213d6ddec22adc9b1e669f03d07c8aed6da48ed77ab8f0534629251796f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb0213d6ddec22adc9b1e669f03d07c8aed6da48ed77ab8f0534629251796f9", kill_on_drop: false }`
[INFO] [stdout] afb0213d6ddec22adc9b1e669f03d07c8aed6da48ed77ab8f0534629251796f9
