[INFO] fetching crate tuit 0.0.0...
[INFO] documenting tuit-0.0.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate tuit 0.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate tuit 0.0.0 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] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tuit 0.0.0
[INFO] finished tweaking crates.io crate tuit 0.0.0
[INFO] tweaked toml for crates.io crate tuit 0.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate tuit 0.0.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-core v1.0.38
[INFO] [stderr]   Downloaded thiserror-core-impl v1.0.38
[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] ceb0a8fdbc1d2503f97d6ce6d71b28c94b0be654d6f08ffd6573665e7f10b4ad
[INFO] running `Command { std: "docker" "start" "-a" "ceb0a8fdbc1d2503f97d6ce6d71b28c94b0be654d6f08ffd6573665e7f10b4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceb0a8fdbc1d2503f97d6ce6d71b28c94b0be654d6f08ffd6573665e7f10b4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb0a8fdbc1d2503f97d6ce6d71b28c94b0be654d6f08ffd6573665e7f10b4ad", kill_on_drop: false }`
[INFO] [stdout] ceb0a8fdbc1d2503f97d6ce6d71b28c94b0be654d6f08ffd6573665e7f10b4ad
[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] 39babe5b961f14b1ac1130a7d7d7048062d4597e2c245b83362b5f9207ab864b
[INFO] running `Command { std: "docker" "start" "-a" "39babe5b961f14b1ac1130a7d7d7048062d4597e2c245b83362b5f9207ab864b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror-core v1.0.38
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]    Compiling thiserror-core-impl v1.0.38
[INFO] [stderr]  Documenting tuit v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(rustdoc_missing_doc_code_examples)]
[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:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(slice_flatten, int_roundings, associated_type_bounds)]
[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 `tuit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name tuit src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="widgets"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f696913555da8a25 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-bd46d31f09dc8c20.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-1a1c34f79f6e612c.rmeta --extern owo_colors=/opt/rustwide/target/debug/deps/libowo_colors-04eca8a59d9af202.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror_core-97071f856ec93ed9.rmeta --cap-lints=warn --crate-version 0.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "39babe5b961f14b1ac1130a7d7d7048062d4597e2c245b83362b5f9207ab864b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39babe5b961f14b1ac1130a7d7d7048062d4597e2c245b83362b5f9207ab864b", kill_on_drop: false }`
[INFO] [stdout] 39babe5b961f14b1ac1130a7d7d7048062d4597e2c245b83362b5f9207ab864b
