[INFO] fetching crate reign_boot 0.2.1...
[INFO] documenting reign_boot-0.2.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate reign_boot 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate reign_boot 0.2.1 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 reign_boot 0.2.1
[INFO] finished tweaking crates.io crate reign_boot 0.2.1
[INFO] tweaked toml for crates.io crate reign_boot 0.2.1 written to /workspace/builds/worker-6-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 44e8c9b2bdf3df30f6e65abbb5812870f4b63274be9f00b36257e7dddcc313a2
[INFO] running `Command { std: "docker" "start" "-a" "44e8c9b2bdf3df30f6e65abbb5812870f4b63274be9f00b36257e7dddcc313a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44e8c9b2bdf3df30f6e65abbb5812870f4b63274be9f00b36257e7dddcc313a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e8c9b2bdf3df30f6e65abbb5812870f4b63274be9f00b36257e7dddcc313a2", kill_on_drop: false }`
[INFO] [stdout] 44e8c9b2bdf3df30f6e65abbb5812870f4b63274be9f00b36257e7dddcc313a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 589a260f4779426ae36591d823d57b2221e971ef18766305c2579b8adbf24f57
[INFO] running `Command { std: "docker" "start" "-a" "589a260f4779426ae36591d823d57b2221e971ef18766305c2579b8adbf24f57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking envy v0.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]  Documenting reign_boot v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/reign_boot/index.html
[INFO] running `Command { std: "docker" "inspect" "589a260f4779426ae36591d823d57b2221e971ef18766305c2579b8adbf24f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "589a260f4779426ae36591d823d57b2221e971ef18766305c2579b8adbf24f57", kill_on_drop: false }`
[INFO] [stdout] 589a260f4779426ae36591d823d57b2221e971ef18766305c2579b8adbf24f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "--all-features" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d884e1cc4d42e06a2e08f8389c743c82da528fd4434863324c228115cae1bc0b
[INFO] running `Command { std: "docker" "start" "-a" "d884e1cc4d42e06a2e08f8389c743c82da528fd4434863324c228115cae1bc0b", kill_on_drop: false }`
[INFO] [stderr]  Documenting reign_boot v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "doc", feature(external_doc))]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `reign_boot`
[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 reign_boot src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="doc"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=df14f2fd4d59fd0c -L dependency=/opt/rustwide/target/debug/deps --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-406a837e628ad521.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-26ff0de06b2ecebb.rmeta --extern envy=/opt/rustwide/target/debug/deps/libenvy-c53225db947674c0.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-08aa3493627b02f1.rmeta --extern-html-root-url 'dotenv=https://docs.rs/dotenv/0.15.0/' --extern-html-root-url 'env_logger=https://docs.rs/env_logger/0.7.1/' --extern-html-root-url 'envy=https://docs.rs/envy/0.4.2/' --extern-html-root-url 'serde=https://docs.rs/serde/1.0.196/' -Zunstable-options --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d884e1cc4d42e06a2e08f8389c743c82da528fd4434863324c228115cae1bc0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d884e1cc4d42e06a2e08f8389c743c82da528fd4434863324c228115cae1bc0b", kill_on_drop: false }`
[INFO] [stdout] d884e1cc4d42e06a2e08f8389c743c82da528fd4434863324c228115cae1bc0b
