[INFO] fetching crate merlin 3.0.0...
[INFO] documenting merlin-3.0.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate merlin 3.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate merlin 3.0.0 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 merlin 3.0.0
[INFO] finished tweaking crates.io crate merlin 3.0.0
[INFO] tweaked toml for crates.io crate merlin 3.0.0 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] 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] 6215d56d5812c746464a5819c1324fc7ff268c2bb2aaf7d8121397708b2cd137
[INFO] running `Command { std: "docker" "start" "-a" "6215d56d5812c746464a5819c1324fc7ff268c2bb2aaf7d8121397708b2cd137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6215d56d5812c746464a5819c1324fc7ff268c2bb2aaf7d8121397708b2cd137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6215d56d5812c746464a5819c1324fc7ff268c2bb2aaf7d8121397708b2cd137", kill_on_drop: false }`
[INFO] [stdout] 6215d56d5812c746464a5819c1324fc7ff268c2bb2aaf7d8121397708b2cd137
[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] 1e1b939d20008465c5b8c82eb69453e1f5cc25bacb903143e4387d5d36d9b66d
[INFO] running `Command { std: "docker" "start" "-a" "1e1b939d20008465c5b8c82eb69453e1f5cc25bacb903143e4387d5d36d9b66d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]  Documenting merlin v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Transcript::rekey_with_witness_bytes`
[INFO] [stdout]    --> src/transcript.rs:303:38
[INFO] [stdout]     |
[INFO] [stdout] 303 |     /// [`rekey_with_witness_bytes`](Transcript::rekey_with_witness_bytes).
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the struct `Transcript` has no field or associated item named `rekey_with_witness_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/merlin/index.html
[INFO] running `Command { std: "docker" "inspect" "1e1b939d20008465c5b8c82eb69453e1f5cc25bacb903143e4387d5d36d9b66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1b939d20008465c5b8c82eb69453e1f5cc25bacb903143e4387d5d36d9b66d", kill_on_drop: false }`
[INFO] [stdout] 1e1b939d20008465c5b8c82eb69453e1f5cc25bacb903143e4387d5d36d9b66d
[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" "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" "nightly" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57c5490d849f522ea1d45088a67df8ba10eb6793cffe9548dd6d45acba43066d
[INFO] running `Command { std: "docker" "start" "-a" "57c5490d849f522ea1d45088a67df8ba10eb6793cffe9548dd6d45acba43066d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]  Documenting merlin v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", 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 `merlin`
[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 merlin src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="nightly"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=210fcb6a607c2343 -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-a99bbe9ab83f0555.rmeta --extern keccak=/opt/rustwide/target/debug/deps/libkeccak-9c94c76457064286.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-3c19c7d318022e92.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-aed76fcf0dd82210.rmeta --extern-html-root-url 'byteorder=https://docs.rs/byteorder/1.5.0/' --extern-html-root-url 'keccak=https://docs.rs/keccak/0.1.4/' --extern-html-root-url 'rand_core=https://docs.rs/rand_core/0.6.4/' --extern-html-root-url 'zeroize=https://docs.rs/zeroize/1.7.0/' -Zunstable-options --cap-lints=warn --crate-version 3.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "57c5490d849f522ea1d45088a67df8ba10eb6793cffe9548dd6d45acba43066d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c5490d849f522ea1d45088a67df8ba10eb6793cffe9548dd6d45acba43066d", kill_on_drop: false }`
[INFO] [stdout] 57c5490d849f522ea1d45088a67df8ba10eb6793cffe9548dd6d45acba43066d
