[INFO] fetching crate castle_query_parser 0.20.2...
[INFO] documenting castle_query_parser-0.20.2 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate castle_query_parser 0.20.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate castle_query_parser 0.20.2 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 castle_query_parser 0.20.2
[INFO] finished tweaking crates.io crate castle_query_parser 0.20.2
[INFO] tweaked toml for crates.io crate castle_query_parser 0.20.2 written to /workspace/builds/worker-1-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-recursion v1.0.4
[INFO] [stderr]   Downloaded byte v0.2.6
[INFO] [stderr]   Downloaded castle_shared_parser v0.20.2
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] [stderr]   Downloaded castle_tokenizer v0.20.2
[INFO] [stderr]   Downloaded castle_types v0.20.2
[INFO] [stderr]   Downloaded castle_input_cursor v0.20.2
[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] f439c5811e71b46e6fbb536107867c7fd72e59a74316cfe5d97a5b11bc078d32
[INFO] running `Command { std: "docker" "start" "-a" "f439c5811e71b46e6fbb536107867c7fd72e59a74316cfe5d97a5b11bc078d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f439c5811e71b46e6fbb536107867c7fd72e59a74316cfe5d97a5b11bc078d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f439c5811e71b46e6fbb536107867c7fd72e59a74316cfe5d97a5b11bc078d32", kill_on_drop: false }`
[INFO] [stdout] f439c5811e71b46e6fbb536107867c7fd72e59a74316cfe5d97a5b11bc078d32
[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] 9ba95b4802e240eaa2df3a03966b7019c4fc1e657d879b122226caf4130b1306
[INFO] running `Command { std: "docker" "start" "-a" "9ba95b4802e240eaa2df3a03966b7019c4fc1e657d879b122226caf4130b1306", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]     Checking serde v1.0.160
[INFO] [stderr]    Compiling async-recursion v1.0.4
[INFO] [stderr]     Checking byte v0.2.6
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking rmp-serde v1.1.1
[INFO] [stderr]     Checking castle_input_cursor v0.20.2
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking uuid v1.3.2
[INFO] [stderr]     Checking castle_types v0.20.2
[INFO] [stderr]     Checking castle_tokenizer v0.20.2
[INFO] [stderr]     Checking castle_shared_parser v0.20.2
[INFO] [stderr]  Documenting castle_query_parser v0.20.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(if_let_guard)]
[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 document `castle_query_parser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name castle_query_parser src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=695e7a298f297a79 -L dependency=/opt/rustwide/target/debug/deps --extern castle_shared_parser=/opt/rustwide/target/debug/deps/libcastle_shared_parser-f399bab669ea8323.rmeta --extern castle_tokenizer=/opt/rustwide/target/debug/deps/libcastle_tokenizer-221106d01737d90c.rmeta --extern castle_types=/opt/rustwide/target/debug/deps/libcastle_types-16b26c21eb0d96cb.rmeta --cap-lints=warn --crate-version 0.20.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9ba95b4802e240eaa2df3a03966b7019c4fc1e657d879b122226caf4130b1306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba95b4802e240eaa2df3a03966b7019c4fc1e657d879b122226caf4130b1306", kill_on_drop: false }`
[INFO] [stdout] 9ba95b4802e240eaa2df3a03966b7019c4fc1e657d879b122226caf4130b1306
