[INFO] fetching crate dl_api 0.4.0...
[INFO] documenting dl_api-0.4.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate dl_api 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate dl_api 0.4.0 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 dl_api 0.4.0
[INFO] finished tweaking crates.io crate dl_api 0.4.0
[INFO] tweaked toml for crates.io crate dl_api 0.4.0 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]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[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] acba1e4303929b46a9e523d757e03143e13ba57b1720a1cf9cf22c9eadd5df5e
[INFO] running `Command { std: "docker" "start" "-a" "acba1e4303929b46a9e523d757e03143e13ba57b1720a1cf9cf22c9eadd5df5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acba1e4303929b46a9e523d757e03143e13ba57b1720a1cf9cf22c9eadd5df5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acba1e4303929b46a9e523d757e03143e13ba57b1720a1cf9cf22c9eadd5df5e", kill_on_drop: false }`
[INFO] [stdout] acba1e4303929b46a9e523d757e03143e13ba57b1720a1cf9cf22c9eadd5df5e
[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] 9c7f3644a083a75b4c28ee3f1e2b721467813f2f0306abb5dbc4c4cc531513da
[INFO] running `Command { std: "docker" "start" "-a" "9c7f3644a083a75b4c28ee3f1e2b721467813f2f0306abb5dbc4c4cc531513da", kill_on_drop: false }`
[INFO] [stderr]  Documenting dl_api v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/dl_api/index.html
[INFO] running `Command { std: "docker" "inspect" "9c7f3644a083a75b4c28ee3f1e2b721467813f2f0306abb5dbc4c4cc531513da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7f3644a083a75b4c28ee3f1e2b721467813f2f0306abb5dbc4c4cc531513da", kill_on_drop: false }`
[INFO] [stdout] 9c7f3644a083a75b4c28ee3f1e2b721467813f2f0306abb5dbc4c4cc531513da
[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" "--all-features" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8207a0b906f414df1526a0638477efc644a59fc05fdce01b98cd675ddb3856a2
[INFO] running `Command { std: "docker" "start" "-a" "8207a0b906f414df1526a0638477efc644a59fc05fdce01b98cd675ddb3856a2", kill_on_drop: false }`
[INFO] [stderr]  Documenting dl_api v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature = "docs-rs", 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 `dl_api`
[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 dl_api src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="docs-rs"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=e523aa4c2ab5178c -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8207a0b906f414df1526a0638477efc644a59fc05fdce01b98cd675ddb3856a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8207a0b906f414df1526a0638477efc644a59fc05fdce01b98cd675ddb3856a2", kill_on_drop: false }`
[INFO] [stdout] 8207a0b906f414df1526a0638477efc644a59fc05fdce01b98cd675ddb3856a2
