[INFO] fetching crate case-conv 0.1.6...
[INFO] documenting case-conv-0.1.6 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate case-conv 0.1.6 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate case-conv 0.1.6 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate case-conv 0.1.6
[INFO] finished tweaking crates.io crate case-conv 0.1.6
[INFO] tweaked toml for crates.io crate case-conv 0.1.6 written to /workspace/builds/worker-1-tc2/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" "+beta-2023-04-20" "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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d22bf0962fe347d66f9db1ca1a9cf6f794123d84b9da1a84d8eac2239cc20eb2
[INFO] running `Command { std: "docker" "start" "-a" "d22bf0962fe347d66f9db1ca1a9cf6f794123d84b9da1a84d8eac2239cc20eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d22bf0962fe347d66f9db1ca1a9cf6f794123d84b9da1a84d8eac2239cc20eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d22bf0962fe347d66f9db1ca1a9cf6f794123d84b9da1a84d8eac2239cc20eb2", kill_on_drop: false }`
[INFO] [stdout] d22bf0962fe347d66f9db1ca1a9cf6f794123d84b9da1a84d8eac2239cc20eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d5e4dddcd4c527344aa8232c21c5c75c84f6c1a9a897d319eb1a8261adf9f26
[INFO] running `Command { std: "docker" "start" "-a" "3d5e4dddcd4c527344aa8232c21c5c75c84f6c1a9a897d319eb1a8261adf9f26", kill_on_drop: false }`
[INFO] [stderr]  Documenting case-conv v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unicode_internals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `usize`
[INFO] [stdout]   --> src/lib.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | /// SAFETY: N*size_of::<usize>() bytes must be valid of b
[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] 13 | /// SAFETY: N*`size_of::<usize>`() bytes must be valid of b
[INFO] [stdout]    |               +                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 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 `case-conv`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name case_conv src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cb68239305a3aaa9 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.6` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3d5e4dddcd4c527344aa8232c21c5c75c84f6c1a9a897d319eb1a8261adf9f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5e4dddcd4c527344aa8232c21c5c75c84f6c1a9a897d319eb1a8261adf9f26", kill_on_drop: false }`
[INFO] [stdout] 3d5e4dddcd4c527344aa8232c21c5c75c84f6c1a9a897d319eb1a8261adf9f26
