[INFO] fetching crate lutz 1.4.0...
[INFO] documenting lutz-1.4.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate lutz 1.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate lutz 1.4.0 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 lutz 1.4.0
[INFO] finished tweaking crates.io crate lutz 1.4.0
[INFO] tweaked toml for crates.io crate lutz 1.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate lutz 1.4.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded genawaiter-macro v0.99.1
[INFO] [stderr]   Downloaded genawaiter v0.99.1
[INFO] [stderr]   Downloaded iai v0.1.1
[INFO] [stderr]   Downloaded exr v1.5.3
[INFO] [stderr]   Downloaded imageproc v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fd043c34d485693f881441796826748fa05201e719f0a177a707cd50dcad9ee9
[INFO] running `Command { std: "docker" "start" "-a" "fd043c34d485693f881441796826748fa05201e719f0a177a707cd50dcad9ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd043c34d485693f881441796826748fa05201e719f0a177a707cd50dcad9ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd043c34d485693f881441796826748fa05201e719f0a177a707cd50dcad9ee9", kill_on_drop: false }`
[INFO] [stdout] fd043c34d485693f881441796826748fa05201e719f0a177a707cd50dcad9ee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ca313559b1ade8fdd3cfb28d9ce0abb6cda1b63ef24e722aa8156b3e4f960acb
[INFO] running `Command { std: "docker" "start" "-a" "ca313559b1ade8fdd3cfb28d9ce0abb6cda1b63ef24e722aa8156b3e4f960acb", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking genawaiter-macro v0.99.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking genawaiter v0.99.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling auto_impl v1.1.0
[INFO] [stderr]  Documenting lutz v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/lutz/index.html
[INFO] running `Command { std: "docker" "inspect" "ca313559b1ade8fdd3cfb28d9ce0abb6cda1b63ef24e722aa8156b3e4f960acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca313559b1ade8fdd3cfb28d9ce0abb6cda1b63ef24e722aa8156b3e4f960acb", kill_on_drop: false }`
[INFO] [stdout] ca313559b1ade8fdd3cfb28d9ce0abb6cda1b63ef24e722aa8156b3e4f960acb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "--features" "nightly" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85ee1086352d270a055a5261f43aa47bdba68b86558aa6a66e0c1428c8ac598b
[INFO] running `Command { std: "docker" "start" "-a" "85ee1086352d270a055a5261f43aa47bdba68b86558aa6a66e0c1428c8ac598b", kill_on_drop: false }`
[INFO] [stderr]  Documenting lutz v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     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 `lutz`
[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=2021 --crate-type lib --crate-name lutz src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="nightly"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=f57c911653fb4ca0 -L dependency=/opt/rustwide/target/debug/deps --extern auto_impl=/opt/rustwide/target/debug/deps/libauto_impl-a89bf705b8305db3.so --extern genawaiter=/opt/rustwide/target/debug/deps/libgenawaiter-49d10c00e2f9f5ba.rmeta --extern-html-root-url 'auto_impl=https://docs.rs/auto_impl/1.1.0/' --extern-html-root-url 'genawaiter=https://docs.rs/genawaiter/0.99.1/' -Zunstable-options --cap-lints=warn --crate-version 1.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "85ee1086352d270a055a5261f43aa47bdba68b86558aa6a66e0c1428c8ac598b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ee1086352d270a055a5261f43aa47bdba68b86558aa6a66e0c1428c8ac598b", kill_on_drop: false }`
[INFO] [stdout] 85ee1086352d270a055a5261f43aa47bdba68b86558aa6a66e0c1428c8ac598b
