[INFO] fetching crate dock_merlin 2.0.0...
[INFO] documenting dock_merlin-2.0.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate dock_merlin 2.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate dock_merlin 2.0.0 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 dock_merlin 2.0.0
[INFO] finished tweaking crates.io crate dock_merlin 2.0.0
[INFO] tweaked toml for crates.io crate dock_merlin 2.0.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strobe-rs v0.5.4
[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] ff07816cd035618c2d04ed835b71dac69771b746984a2773fd9b42831cd3f3c2
[INFO] running `Command { std: "docker" "start" "-a" "ff07816cd035618c2d04ed835b71dac69771b746984a2773fd9b42831cd3f3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff07816cd035618c2d04ed835b71dac69771b746984a2773fd9b42831cd3f3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff07816cd035618c2d04ed835b71dac69771b746984a2773fd9b42831cd3f3c2", kill_on_drop: false }`
[INFO] [stdout] ff07816cd035618c2d04ed835b71dac69771b746984a2773fd9b42831cd3f3c2
[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] 619f2c9d8c53aa5b7d907415d1bc96eb1dec7e7abf61ac9f9e755d1493f86e2d
[INFO] running `Command { std: "docker" "start" "-a" "619f2c9d8c53aa5b7d907415d1bc96eb1dec7e7abf61ac9f9e755d1493f86e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ark-std v0.4.0
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]  Documenting dock_merlin v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Transcript::rekey_with_witness_bytes`
[INFO] [stdout]    --> src/transcript.rs:306:38
[INFO] [stdout]     |
[INFO] [stdout] 306 |     /// [`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 7.11s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/dock_merlin/index.html
[INFO] running `Command { std: "docker" "inspect" "619f2c9d8c53aa5b7d907415d1bc96eb1dec7e7abf61ac9f9e755d1493f86e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619f2c9d8c53aa5b7d907415d1bc96eb1dec7e7abf61ac9f9e755d1493f86e2d", kill_on_drop: false }`
[INFO] [stdout] 619f2c9d8c53aa5b7d907415d1bc96eb1dec7e7abf61ac9f9e755d1493f86e2d
[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" "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" "+1.75.0" "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] b942def4f5f30cc68b2e279c480ae3cfdab12c2a62cca2cc637c2b43e7581367
[INFO] running `Command { std: "docker" "start" "-a" "b942def4f5f30cc68b2e279c480ae3cfdab12c2a62cca2cc637c2b43e7581367", 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 syn v1.0.109
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]  Documenting dock_merlin v2.0.0 (/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 `dock_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 dock_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=aaef37bec2ae186c -L dependency=/opt/rustwide/target/debug/deps --extern ark_serialize=/opt/rustwide/target/debug/deps/libark_serialize-7d794f678eeac946.rmeta --extern ark_std=/opt/rustwide/target/debug/deps/libark_std-857a2bd982827c16.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-d4c94acdd52a2487.rmeta --extern keccak=/opt/rustwide/target/debug/deps/libkeccak-9c94c76457064286.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-a51396709fbf0a97.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b9f510cca8a8f61e.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-46ac446bc7e1ea1f.rmeta --extern-html-root-url 'ark_serialize=https://docs.rs/ark-serialize/0.4.2/' --extern-html-root-url 'ark_std=https://docs.rs/ark-std/0.4.0/' --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 'serde=https://docs.rs/serde/1.0.195/' --extern-html-root-url 'zeroize=https://docs.rs/zeroize/1.7.0/' -Zunstable-options --cap-lints=warn --crate-version 2.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b942def4f5f30cc68b2e279c480ae3cfdab12c2a62cca2cc637c2b43e7581367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b942def4f5f30cc68b2e279c480ae3cfdab12c2a62cca2cc637c2b43e7581367", kill_on_drop: false }`
[INFO] [stdout] b942def4f5f30cc68b2e279c480ae3cfdab12c2a62cca2cc637c2b43e7581367
[INFO] documenting dock_merlin-2.0.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate dock_merlin 2.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate dock_merlin 2.0.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dock_merlin 2.0.0
[INFO] finished tweaking crates.io crate dock_merlin 2.0.0
[INFO] tweaked toml for crates.io crate dock_merlin 2.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a47732e91cf9fce7c79b52c9512d817ddc7fd4995126d8feb8e4a4e5f6d6acf6
[INFO] running `Command { std: "docker" "start" "-a" "a47732e91cf9fce7c79b52c9512d817ddc7fd4995126d8feb8e4a4e5f6d6acf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a47732e91cf9fce7c79b52c9512d817ddc7fd4995126d8feb8e4a4e5f6d6acf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47732e91cf9fce7c79b52c9512d817ddc7fd4995126d8feb8e4a4e5f6d6acf6", kill_on_drop: false }`
[INFO] [stdout] a47732e91cf9fce7c79b52c9512d817ddc7fd4995126d8feb8e4a4e5f6d6acf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7993d3b9bac05bc2765126d278842976f482fe588aad15965110721345fd096
[INFO] running `Command { std: "docker" "start" "-a" "f7993d3b9bac05bc2765126d278842976f482fe588aad15965110721345fd096", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ark-std v0.4.0
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]  Documenting dock_merlin v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Transcript::rekey_with_witness_bytes`
[INFO] [stdout]    --> src/transcript.rs:306:38
[INFO] [stdout]     |
[INFO] [stdout] 306 |     /// [`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 7.67s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/dock_merlin/index.html
[INFO] running `Command { std: "docker" "inspect" "f7993d3b9bac05bc2765126d278842976f482fe588aad15965110721345fd096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7993d3b9bac05bc2765126d278842976f482fe588aad15965110721345fd096", kill_on_drop: false }`
[INFO] [stdout] f7993d3b9bac05bc2765126d278842976f482fe588aad15965110721345fd096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2023-12-22" "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] 1a905bcaee6d2cc8934873415ec36e3341c50c4a3d26e902ab2d49ee84dce728
[INFO] running `Command { std: "docker" "start" "-a" "1a905bcaee6d2cc8934873415ec36e3341c50c4a3d26e902ab2d49ee84dce728", 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 syn v1.0.109
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]  Documenting dock_merlin v2.0.0 (/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 `dock_merlin`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name dock_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=8656eff118c1fac6 -L dependency=/opt/rustwide/target/debug/deps --extern ark_serialize=/opt/rustwide/target/debug/deps/libark_serialize-acf9d35ff6b850e3.rmeta --extern ark_std=/opt/rustwide/target/debug/deps/libark_std-e9f65aee2a7832d0.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-37081c27b658e666.rmeta --extern keccak=/opt/rustwide/target/debug/deps/libkeccak-2b43765a1508dbae.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-203ea3d23d6d53c1.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-844b2d9fcf470541.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-fa02040718743871.rmeta --extern-html-root-url 'ark_serialize=https://docs.rs/ark-serialize/0.4.2/' --extern-html-root-url 'ark_std=https://docs.rs/ark-std/0.4.0/' --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 'serde=https://docs.rs/serde/1.0.195/' --extern-html-root-url 'zeroize=https://docs.rs/zeroize/1.7.0/' -Zunstable-options --cap-lints=warn --crate-version 2.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1a905bcaee6d2cc8934873415ec36e3341c50c4a3d26e902ab2d49ee84dce728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a905bcaee6d2cc8934873415ec36e3341c50c4a3d26e902ab2d49ee84dce728", kill_on_drop: false }`
[INFO] [stdout] 1a905bcaee6d2cc8934873415ec36e3341c50c4a3d26e902ab2d49ee84dce728
