[INFO] fetching crate simdnbt 0.3.0...
[INFO] documenting simdnbt-0.3.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate simdnbt 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate simdnbt 0.3.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simdnbt 0.3.0
[INFO] finished tweaking crates.io crate simdnbt 0.3.0
[INFO] tweaked toml for crates.io crate simdnbt 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate simdnbt 0.3.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hematite-nbt v0.5.2
[INFO] [stderr]   Downloaded simdnbt-derive v0.3.0
[INFO] [stderr]   Downloaded graphite_binary v0.1.0
[INFO] [stderr]   Downloaded valence_nbt v0.8.0
[INFO] [stderr]   Downloaded fastnbt v2.4.4
[INFO] [stderr]   Downloaded residua-mutf8 v2.0.0
[INFO] [stderr]   Downloaded residua-cesu8 v2.0.0
[INFO] [stderr]   Downloaded graphite_binary_macros v0.1.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59e8fd8679ae00cb27d932f65274d1b6c6d1e1dd21ba534f15b3d8547f4f7751
[INFO] running `Command { std: "docker" "start" "-a" "59e8fd8679ae00cb27d932f65274d1b6c6d1e1dd21ba534f15b3d8547f4f7751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59e8fd8679ae00cb27d932f65274d1b6c6d1e1dd21ba534f15b3d8547f4f7751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e8fd8679ae00cb27d932f65274d1b6c6d1e1dd21ba534f15b3d8547f4f7751", kill_on_drop: false }`
[INFO] [stdout] 59e8fd8679ae00cb27d932f65274d1b6c6d1e1dd21ba534f15b3d8547f4f7751
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 100c2874574e779150d39e1cd822db5918d14f84591d2235afbee08ef85e3074
[INFO] running `Command { std: "docker" "start" "-a" "100c2874574e779150d39e1cd822db5918d14f84591d2235afbee08ef85e3074", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking residua-cesu8 v2.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking residua-mutf8 v2.0.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling simdnbt-derive v0.3.0
[INFO] [stderr]  Documenting simdnbt v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(portable_simd)]
[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:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(array_chunks)]
[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:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(split_array)]
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/common.rs:135:28
[INFO] [stdout]     |
[INFO] [stdout] 135 | /// Write a string to a Vec<u8> without checking if the Vec has enough capacity.
[INFO] [stdout]     |                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 135 | /// Write a string to a `Vec<u8>` without checking if the Vec has enough capacity.
[INFO] [stdout]     |                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/common.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 | /// Extend a Vec<u8> with a slice of u8 without checking if the Vec has enough capacity.
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 147 | /// Extend a `Vec<u8>` with a slice of u8 without checking if the Vec has enough capacity.
[INFO] [stdout]     |              +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/common.rs:177:43
[INFO] [stdout]     |
[INFO] [stdout] 177 | /// Convert a slice of any type into a Vec<u8>. This will return the data as big endian (the
[INFO] [stdout]     |                                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 177 | /// Convert a slice of any type into a `Vec<u8>`. This will return the data as big endian (the
[INFO] [stdout]     |                                        +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings 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 `simdnbt`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name simdnbt src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="derive"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=47808cc03ab3d36b -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-7620dcb02882a88c.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-d210b61afa84184e.rmeta --extern mutf8=/opt/rustwide/target/debug/deps/libmutf8-0d64c77d24ebc5eb.rmeta --extern simdnbt_derive=/opt/rustwide/target/debug/deps/libsimdnbt_derive-31b36838a9678863.so --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-a1039150ce9f1f45.rmeta --cap-lints=warn --crate-version 0.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "100c2874574e779150d39e1cd822db5918d14f84591d2235afbee08ef85e3074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "100c2874574e779150d39e1cd822db5918d14f84591d2235afbee08ef85e3074", kill_on_drop: false }`
[INFO] [stdout] 100c2874574e779150d39e1cd822db5918d14f84591d2235afbee08ef85e3074
