[INFO] fetching crate serde_osc 0.4.2...
[INFO] documenting serde_osc-0.4.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate serde_osc 0.4.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate serde_osc 0.4.2 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 serde_osc 0.4.2
[INFO] finished tweaking crates.io crate serde_osc 0.4.2
[INFO] tweaked toml for crates.io crate serde_osc 0.4.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 61f3b0780e1d7dd28ecffca496b2d2c044346236497e258c88f630025b27e5a6
[INFO] running `Command { std: "docker" "start" "-a" "61f3b0780e1d7dd28ecffca496b2d2c044346236497e258c88f630025b27e5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61f3b0780e1d7dd28ecffca496b2d2c044346236497e258c88f630025b27e5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f3b0780e1d7dd28ecffca496b2d2c044346236497e258c88f630025b27e5a6", kill_on_drop: false }`
[INFO] [stdout] 61f3b0780e1d7dd28ecffca496b2d2c044346236497e258c88f630025b27e5a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8c3ca27caba885e1227b68bd54f4ba12e39842393fefaa678b5d5e00cc5ec0e3
[INFO] running `Command { std: "docker" "start" "-a" "8c3ca27caba885e1227b68bd54f4ba12e39842393fefaa678b5d5e00cc5ec0e3", kill_on_drop: false }`
[INFO] [stderr]  Documenting serde_osc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | #![feature(try_from)]
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / //! # OSC protocol
[INFO] [stdout] 2  | | //!
[INFO] [stdout] 3  | | //! Open Sound Control (OSC) is an open, transport-independent, message-based
[INFO] [stdout] 4  | | //! protocol developed for communication among computers, sound synthesizers,
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | | //! }
[INFO] [stdout] 85 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_codeblock_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `something`
[INFO] [stdout]  --> src/de/iter_visitor.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | /// then we need to call visitor.visit_seq(<something>).
[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 `something`
[INFO] [stdout]  --> src/de/iter_visitor.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 | /// IterVisitor serves the role of <something>, providing an adapter
[INFO] [stdout]   |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]   --> src/de/mod.rs:28:42
[INFO] [stdout]    |
[INFO] [stdout] 28 | /// Pairs nicely with ser::to_vec, as Vec<u8> is coercable to &[u8].
[INFO] [stdout]    |                                          ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 28 | /// Pairs nicely with ser::to_vec, as `Vec<u8>` is coercable to &[u8].
[INFO] [stdout]    |                                       +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 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 `serde_osc`
[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 --crate-type lib --crate-name serde_osc src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3a13fa6a7f9c703c -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-7620dcb02882a88c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d959715fe86d3f0d.rmeta --cap-lints=warn --crate-version 0.4.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8c3ca27caba885e1227b68bd54f4ba12e39842393fefaa678b5d5e00cc5ec0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3ca27caba885e1227b68bd54f4ba12e39842393fefaa678b5d5e00cc5ec0e3", kill_on_drop: false }`
[INFO] [stdout] 8c3ca27caba885e1227b68bd54f4ba12e39842393fefaa678b5d5e00cc5ec0e3
