[INFO] fetching crate appro-eq 0.3.1...
[INFO] documenting appro-eq-0.3.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate appro-eq 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate appro-eq 0.3.1 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 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-3-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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ce5f7f585a1f0668eb924cdb0c580d1ef2ff50e561f99311513c3bfa073a2b36
[INFO] running `Command { std: "docker" "start" "-a" "ce5f7f585a1f0668eb924cdb0c580d1ef2ff50e561f99311513c3bfa073a2b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce5f7f585a1f0668eb924cdb0c580d1ef2ff50e561f99311513c3bfa073a2b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5f7f585a1f0668eb924cdb0c580d1ef2ff50e561f99311513c3bfa073a2b36", kill_on_drop: false }`
[INFO] [stdout] ce5f7f585a1f0668eb924cdb0c580d1ef2ff50e561f99311513c3bfa073a2b36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1a106033dc2da00bcb8afbb5d3e903ac268dde8f09254341a1d66343c7bc927e
[INFO] running `Command { std: "docker" "start" "-a" "1a106033dc2da00bcb8afbb5d3e903ac268dde8f09254341a1d66343c7bc927e", 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 0.59s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/appro_eq/index.html
[INFO] running `Command { std: "docker" "inspect" "1a106033dc2da00bcb8afbb5d3e903ac268dde8f09254341a1d66343c7bc927e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a106033dc2da00bcb8afbb5d3e903ac268dde8f09254341a1d66343c7bc927e", kill_on_drop: false }`
[INFO] [stdout] 1a106033dc2da00bcb8afbb5d3e903ac268dde8f09254341a1d66343c7bc927e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.75.0" "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] af3ffa38b00b6be493975e891638d612658af92852e04678405baa698affe883
[INFO] running `Command { std: "docker" "start" "-a" "af3ffa38b00b6be493975e891638d612658af92852e04678405baa698affe883", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-complex v0.4.4
[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/1.75.0-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=97de8fd9b519342a -L dependency=/opt/rustwide/target/debug/deps --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-ba97f18a0746572d.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-13a8694725f4723d.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-a86ad15449f619ed.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-79eab41663bd872c.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3467de8a575b31ff.rmeta --extern-html-root-url 'ndarray=https://docs.rs/ndarray/0.15.6/' --extern-html-root-url 'num_complex=https://docs.rs/num-complex/0.4.4/' --extern-html-root-url 'num_integer=https://docs.rs/num-integer/0.1.45/' --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/0.2.17/' -Zunstable-options --cap-lints=warn --crate-version 0.3.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "af3ffa38b00b6be493975e891638d612658af92852e04678405baa698affe883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af3ffa38b00b6be493975e891638d612658af92852e04678405baa698affe883", kill_on_drop: false }`
[INFO] [stdout] af3ffa38b00b6be493975e891638d612658af92852e04678405baa698affe883
