[INFO] fetching crate appro-eq 0.3.1...
[INFO] documenting appro-eq-0.3.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate appro-eq 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate appro-eq 0.3.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate appro-eq 0.3.1
[INFO] finished tweaking crates.io crate appro-eq 0.3.1
[INFO] tweaked toml for crates.io crate appro-eq 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.4.5
[INFO] [stderr]   Downloaded matrixmultiply v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05b1095b4e47f105bbd8f826ed9aed9395e0ec34b02f2d52c7d150f3bfea7521
[INFO] running `Command { std: "docker" "start" "-a" "05b1095b4e47f105bbd8f826ed9aed9395e0ec34b02f2d52c7d150f3bfea7521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05b1095b4e47f105bbd8f826ed9aed9395e0ec34b02f2d52c7d150f3bfea7521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b1095b4e47f105bbd8f826ed9aed9395e0ec34b02f2d52c7d150f3bfea7521", kill_on_drop: false }`
[INFO] [stdout] 05b1095b4e47f105bbd8f826ed9aed9395e0ec34b02f2d52c7d150f3bfea7521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ac1d173f455424f3fd146ca3e94b75d3792eafc86afb66365447ac20441e8fb
[INFO] running `Command { std: "docker" "start" "-a" "4ac1d173f455424f3fd146ca3e94b75d3792eafc86afb66365447ac20441e8fb", kill_on_drop: false }`
[INFO] [stderr]  Documenting appro-eq v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | //! http://mozilla.org/MPL/2.0/.
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://mozilla.org/MPL/2.0/.>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout]   = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/assert.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | //! http://mozilla.org/MPL/2.0/.
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://mozilla.org/MPL/2.0/.>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/appro_eq/index.html
[INFO] running `Command { std: "docker" "inspect" "4ac1d173f455424f3fd146ca3e94b75d3792eafc86afb66365447ac20441e8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac1d173f455424f3fd146ca3e94b75d3792eafc86afb66365447ac20441e8fb", kill_on_drop: false }`
[INFO] [stdout] 4ac1d173f455424f3fd146ca3e94b75d3792eafc86afb66365447ac20441e8fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "+1.76.0" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "docs" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dda7fcf4057130cd8f90fab323b7300654ffc12c70caea5ac5a3d96ab777091b
[INFO] running `Command { std: "docker" "start" "-a" "dda7fcf4057130cd8f90fab323b7300654ffc12c70caea5ac5a3d96ab777091b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]  Documenting appro-eq v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `staged_api` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![cfg_attr(feature = "docs", feature(staged_api))]
[INFO] [stdout]    |                                       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0546]: 'feature' is not an identifier
[INFO] [stdout]   --> src/complex_impl.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(feature = "docs", stable(feature = "num-complex", since = "0.1.0"))]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0546]: 'feature' is not an identifier
[INFO] [stdout]   --> src/complex_impl.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[cfg_attr(feature = "docs", stable(feature = "num-complex", since = "0.1.0"))]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0546]: 'feature' is not an identifier
[INFO] [stdout]   --> src/rational_impl.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg_attr(feature = "docs", stable(feature = "num-rational", since = "0.1.0"))]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0546]: 'feature' is not an identifier
[INFO] [stdout]   --> src/rational_impl.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg_attr(feature = "docs", stable(feature = "num-rational", since = "0.1.0"))]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0546]: 'feature' is not an identifier
[INFO] [stdout]   --> src/rational_impl.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[cfg_attr(feature = "docs", stable(feature = "num-rational", since = "0.1.0"))]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0546`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `appro-eq`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name appro_eq src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="complex"' --cfg 'feature="docs"' --cfg 'feature="ndarray"' --cfg 'feature="num-complex"' --cfg 'feature="num-integer"' --cfg 'feature="num-rational"' --cfg 'feature="num-traits"' --cfg 'feature="rational"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=afb9bd7ab481cb0a -L dependency=/opt/rustwide/target/debug/deps --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-f9dbf6d75922ee9f.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-05811086232e085e.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-8abcb3b80e9ca7fe.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-681c766c4634042d.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-cf62f81485b7eedf.rmeta --extern-html-root-url 'ndarray=https://docs.rs/ndarray/0.15.6/' --extern-html-root-url 'num_complex=https://docs.rs/num-complex/0.4.5/' --extern-html-root-url 'num_integer=https://docs.rs/num-integer/0.1.46/' --extern-html-root-url 'num_rational=https://docs.rs/num-rational/0.4.1/' --extern-html-root-url 'num_traits=https://docs.rs/num-traits/0.2.18/' -Zunstable-options --cap-lints=warn --crate-version 0.3.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "dda7fcf4057130cd8f90fab323b7300654ffc12c70caea5ac5a3d96ab777091b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda7fcf4057130cd8f90fab323b7300654ffc12c70caea5ac5a3d96ab777091b", kill_on_drop: false }`
[INFO] [stdout] dda7fcf4057130cd8f90fab323b7300654ffc12c70caea5ac5a3d96ab777091b
