[INFO] fetching crate notedown_ast 0.16.3...
[INFO] documenting notedown_ast-0.16.3 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate notedown_ast 0.16.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate notedown_ast 0.16.3 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 notedown_ast 0.16.3
[INFO] finished tweaking crates.io crate notedown_ast 0.16.3
[INFO] tweaked toml for crates.io crate notedown_ast 0.16.3 written to /workspace/builds/worker-6-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 notedown-error v1.1.10
[INFO] [stderr]   Downloaded css-color-parser v0.1.2
[INFO] [stderr]   Downloaded yggdrasil-shared v0.2.2
[INFO] [stderr]   Downloaded text-utils v0.4.3
[INFO] [stderr]   Downloaded slugify v0.1.0
[INFO] [stderr]   Downloaded str_indices v0.4.1
[INFO] [stderr]   Downloaded unidecode v0.3.0
[INFO] [stderr]   Downloaded ropey v1.6.0
[INFO] [stderr]   Downloaded emojic v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d69b37672ec5caf8300f3254971cb0e0697cf20b404289afdf02aa6127383eac
[INFO] running `Command { std: "docker" "start" "-a" "d69b37672ec5caf8300f3254971cb0e0697cf20b404289afdf02aa6127383eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d69b37672ec5caf8300f3254971cb0e0697cf20b404289afdf02aa6127383eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69b37672ec5caf8300f3254971cb0e0697cf20b404289afdf02aa6127383eac", kill_on_drop: false }`
[INFO] [stdout] d69b37672ec5caf8300f3254971cb0e0697cf20b404289afdf02aa6127383eac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7cc2e082c76e53004d2c28251c6a1703a1463f2c68195fa8c48100485492f340
[INFO] running `Command { std: "docker" "start" "-a" "7cc2e082c76e53004d2c28251c6a1703a1463f2c68195fa8c48100485492f340", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling rust_decimal v1.29.1
[INFO] [stderr]     Checking str_indices v0.4.1
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking ropey v1.6.0
[INFO] [stderr]     Checking ariadne v0.1.5
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking unidecode v0.3.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking css-color-parser v0.1.2
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking slugify v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]     Checking yggdrasil-shared v0.2.2
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking emojic v0.4.1
[INFO] [stderr]    Compiling unicode-linebreak v0.1.4
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking notedown-error v1.1.10
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking text-utils v0.4.3
[INFO] [stderr]  Documenting notedown_ast v0.16.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(map_first_last)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(arbitrary_enum_discriminant)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `arbitrary_enum_discriminant` has been stable since `1.66.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 <https://github.com/rust-lang/rust/issues/59159> for more information
[INFO] [stdout]   --> src/value/collections/sparse_array.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     #[allow(mutable_borrow_reservation_conflict)]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `notedown_ast`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name notedown_ast src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bd8577b07bf3dcb0 -L dependency=/opt/rustwide/target/debug/deps --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-533d771e22effa04.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-578991b5e0b8e761.rmeta --extern notedown_error=/opt/rustwide/target/debug/deps/libnotedown_error-9a4edcb271889cf4.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-cfb04597ab80527c.rmeta --extern rust_decimal=/opt/rustwide/target/debug/deps/librust_decimal-46b26b248b153ade.rmeta --extern text_utils=/opt/rustwide/target/debug/deps/libtext_utils-a84a07b0f8f570c0.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-6e5df2884b0d3805.rmeta --cap-lints=warn --crate-version 0.16.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7cc2e082c76e53004d2c28251c6a1703a1463f2c68195fa8c48100485492f340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc2e082c76e53004d2c28251c6a1703a1463f2c68195fa8c48100485492f340", kill_on_drop: false }`
[INFO] [stdout] 7cc2e082c76e53004d2c28251c6a1703a1463f2c68195fa8c48100485492f340
