[INFO] fetching crate maud_lints 0.18.1...
[INFO] documenting maud_lints-0.18.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate maud_lints 0.18.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate maud_lints 0.18.1 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 maud_lints 0.18.1
[INFO] finished tweaking crates.io crate maud_lints 0.18.1
[INFO] tweaked toml for crates.io crate maud_lints 0.18.1 written to /workspace/builds/worker-0-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded if_chain v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 38d286c4b505bf2cccc13fb1111b0b6889fe42b946bca1355175e18b9a361373
[INFO] running `Command { std: "docker" "start" "-a" "38d286c4b505bf2cccc13fb1111b0b6889fe42b946bca1355175e18b9a361373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38d286c4b505bf2cccc13fb1111b0b6889fe42b946bca1355175e18b9a361373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d286c4b505bf2cccc13fb1111b0b6889fe42b946bca1355175e18b9a361373", kill_on_drop: false }`
[INFO] [stdout] 38d286c4b505bf2cccc13fb1111b0b6889fe42b946bca1355175e18b9a361373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bd3491460cc6f60872bead7c6c1fde384054b841ffa5e774e40b21e6114f131d
[INFO] running `Command { std: "docker" "start" "-a" "bd3491460cc6f60872bead7c6c1fde384054b841ffa5e774e40b21e6114f131d", kill_on_drop: false }`
[INFO] [stderr]     Checking if_chain v0.1.3
[INFO] [stderr]  Documenting maud_lints v0.18.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: plugins are no longer supported
[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 `maud_lints`
[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 dylib --crate-name maud_lints src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1200891502c7f0f3 -L dependency=/opt/rustwide/target/debug/deps --extern if_chain=/opt/rustwide/target/debug/deps/libif_chain-2cc501071ca21d8f.rmeta --cap-lints=warn --crate-version 0.18.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bd3491460cc6f60872bead7c6c1fde384054b841ffa5e774e40b21e6114f131d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3491460cc6f60872bead7c6c1fde384054b841ffa5e774e40b21e6114f131d", kill_on_drop: false }`
[INFO] [stdout] bd3491460cc6f60872bead7c6c1fde384054b841ffa5e774e40b21e6114f131d
