[INFO] fetching crate wamu-core 0.1.1...
[INFO] documenting wamu-core-0.1.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate wamu-core 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate wamu-core 0.1.1 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 wamu-core 0.1.1
[INFO] finished tweaking crates.io crate wamu-core 0.1.1
[INFO] tweaked toml for crates.io crate wamu-core 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a21c6ad7b8461dcc4b54b78f8f30c5115d1e427ab4e1f41f38d66b11c56f8166
[INFO] running `Command { std: "docker" "start" "-a" "a21c6ad7b8461dcc4b54b78f8f30c5115d1e427ab4e1f41f38d66b11c56f8166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a21c6ad7b8461dcc4b54b78f8f30c5115d1e427ab4e1f41f38d66b11c56f8166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a21c6ad7b8461dcc4b54b78f8f30c5115d1e427ab4e1f41f38d66b11c56f8166", kill_on_drop: false }`
[INFO] [stdout] a21c6ad7b8461dcc4b54b78f8f30c5115d1e427ab4e1f41f38d66b11c56f8166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a7825c8ef53e638d2310d9051165385ecc6d63a1e29b2974af10a59e1dc9f394
[INFO] running `Command { std: "docker" "start" "-a" "a7825c8ef53e638d2310d9051165385ecc6d63a1e29b2974af10a59e1dc9f394", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking group v0.13.0
[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]     Checking der v0.7.8
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking polyval v0.6.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking ghash v0.5.0
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]     Checking k256 v0.13.3
[INFO] [stderr]  Documenting wamu-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(doc_cfg)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `wamu-core`
[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 wamu_core src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c58d75f5360dfbc1 -L dependency=/opt/rustwide/target/debug/deps --extern aes_gcm=/opt/rustwide/target/debug/deps/libaes_gcm-8213de080f2915ef.rmeta --extern crypto_bigint=/opt/rustwide/target/debug/deps/libcrypto_bigint-19b92826568cd066.rmeta --extern hkdf=/opt/rustwide/target/debug/deps/libhkdf-26a5084ebb9ad168.rmeta --extern k256=/opt/rustwide/target/debug/deps/libk256-7ca0e6187d432511.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-848a0b6800dda5b6.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-c105c1ef868b0889.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-37be783302da6ca3.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a7825c8ef53e638d2310d9051165385ecc6d63a1e29b2974af10a59e1dc9f394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7825c8ef53e638d2310d9051165385ecc6d63a1e29b2974af10a59e1dc9f394", kill_on_drop: false }`
[INFO] [stdout] a7825c8ef53e638d2310d9051165385ecc6d63a1e29b2974af10a59e1dc9f394
