[INFO] fetching crate mleml 0.1.0...
[INFO] documenting mleml-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate mleml 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate mleml 0.1.0 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 mleml 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mleml 0.1.0
[INFO] tweaked toml for crates.io crate mleml 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate mleml 0.1.0 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 slice-dst v1.5.1
[INFO] [stderr]   Downloaded dasp v0.11.0
[INFO] [stderr]   Downloaded dasp_window v0.11.1
[INFO] [stderr]   Downloaded dasp_interpolate v0.11.0
[INFO] [stderr]   Downloaded dasp_ring_buffer v0.11.0
[INFO] [stderr]   Downloaded dasp_peak v0.11.0
[INFO] [stderr]   Downloaded dasp_slice v0.11.0
[INFO] [stderr]   Downloaded dasp_envelope v0.11.0
[INFO] [stderr]   Downloaded dasp_rms v0.11.0
[INFO] [stderr]   Downloaded dasp_signal v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cb3cc10042151dc147d9962e5dc1c94052e742fab04ecfccbd42b4002a471d60
[INFO] running `Command { std: "docker" "start" "-a" "cb3cc10042151dc147d9962e5dc1c94052e742fab04ecfccbd42b4002a471d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb3cc10042151dc147d9962e5dc1c94052e742fab04ecfccbd42b4002a471d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3cc10042151dc147d9962e5dc1c94052e742fab04ecfccbd42b4002a471d60", kill_on_drop: false }`
[INFO] [stdout] cb3cc10042151dc147d9962e5dc1c94052e742fab04ecfccbd42b4002a471d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 987b47bc227e027c8a3e8f60e347abec74ccf9c30d7334be13e947b98350adac
[INFO] running `Command { std: "docker" "start" "-a" "987b47bc227e027c8a3e8f60e347abec74ccf9c30d7334be13e947b98350adac", kill_on_drop: false }`
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking dasp_ring_buffer v0.11.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]     Checking dasp_window v0.11.1
[INFO] [stderr]    Compiling erasable v1.2.1
[INFO] [stderr]    Compiling slice-dst v1.5.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking dasp_peak v0.11.0
[INFO] [stderr]     Checking dasp_rms v0.11.0
[INFO] [stderr]     Checking dasp_interpolate v0.11.0
[INFO] [stderr]     Checking dasp_slice v0.11.0
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking dasp_envelope v0.11.0
[INFO] [stderr]     Checking dasp_signal v0.11.0
[INFO] [stderr]     Checking dasp v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]  Documenting mleml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(ptr_from_ref)]
[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:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(feature = "extra", feature(hash_set_entry))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `dyn`
[INFO] [stdout]   --> src/lib.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | //! Vec<Rc<dyn Mod>> is extended with Pipeline trait, adding functions to help with
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `dyn`
[INFO] [stdout]    --> src/resource.rs:305:30
[INFO] [stdout]     |
[INFO] [stdout] 305 | /// Trait that extends Vec<Rc<dyn Mod>> with helpful functions
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 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 `mleml`
[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 mleml src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="extra"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d4e0c61a8b30176d -L dependency=/opt/rustwide/target/debug/deps --extern dasp=/opt/rustwide/target/debug/deps/libdasp-7203bed3865a95d2.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0957283bc0ce5061.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0c2a6020589cef7e.rmeta --extern slice_dst=/opt/rustwide/target/debug/deps/libslice_dst-12ef5c438a5fa22d.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-64cfd460d84a5c3e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "987b47bc227e027c8a3e8f60e347abec74ccf9c30d7334be13e947b98350adac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987b47bc227e027c8a3e8f60e347abec74ccf9c30d7334be13e947b98350adac", kill_on_drop: false }`
[INFO] [stdout] 987b47bc227e027c8a3e8f60e347abec74ccf9c30d7334be13e947b98350adac
