[INFO] fetching crate libp2p-auto-relay 0.1.2...
[INFO] documenting libp2p-auto-relay-0.1.2 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate libp2p-auto-relay 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate libp2p-auto-relay 0.1.2 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-auto-relay 0.1.2
[INFO] finished tweaking crates.io crate libp2p-auto-relay 0.1.2
[INFO] tweaked toml for crates.io crate libp2p-auto-relay 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded asynchronous-codec v0.6.1
[INFO] [stderr]   Downloaded prometheus-client-derive-text-encode v0.3.0
[INFO] [stderr]   Downloaded libp2p-metrics v0.11.0
[INFO] [stderr]   Downloaded prometheus-client v0.18.1
[INFO] [stderr]   Downloaded yamux v0.10.2
[INFO] [stderr]   Downloaded libp2p-ping v0.41.0
[INFO] [stderr]   Downloaded prost-codec v0.3.0
[INFO] [stderr]   Downloaded libp2p-core v0.38.0
[INFO] [stderr]   Downloaded libp2p-swarm-derive v0.31.0
[INFO] [stderr]   Downloaded rw-stream-sink v0.3.0
[INFO] [stderr]   Downloaded multiaddr v0.16.0
[INFO] [stderr]   Downloaded multistream-select v0.12.1
[INFO] [stderr]   Downloaded libp2p-swarm v0.41.1
[INFO] [stderr]   Downloaded libp2p v0.50.1
[INFO] [stderr]   Downloaded libp2p-yamux v0.42.0
[INFO] [stderr]   Downloaded libp2p-noise v0.41.0
[INFO] [stderr]   Downloaded curve25519-dalek v4.0.0-rc.1
[INFO] [stderr]   Downloaded snow v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88270a1b772ed3bbcd5d9f22599b973ef07e6d71e0d59a162c4d8b612d5d7f81
[INFO] running `Command { std: "docker" "start" "-a" "88270a1b772ed3bbcd5d9f22599b973ef07e6d71e0d59a162c4d8b612d5d7f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88270a1b772ed3bbcd5d9f22599b973ef07e6d71e0d59a162c4d8b612d5d7f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88270a1b772ed3bbcd5d9f22599b973ef07e6d71e0d59a162c4d8b612d5d7f81", kill_on_drop: false }`
[INFO] [stdout] 88270a1b772ed3bbcd5d9f22599b973ef07e6d71e0d59a162c4d8b612d5d7f81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4229f878d5f019b2bc1ec08cddbae04249fa873d8974811d0f9317b55b72c2c
[INFO] running `Command { std: "docker" "start" "-a" "d4229f878d5f019b2bc1ec08cddbae04249fa873d8974811d0f9317b55b72c2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling either v1.8.1
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[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling data-encoding v2.3.3
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[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking core2 v0.4.0
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[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking signature v1.6.4
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[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking instant v0.1.12
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[INFO] [stderr]    Compiling tempfile v3.5.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.24
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
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[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]     Checking asynchronous-codec v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking unsigned-varint v0.7.1
[INFO] [stderr]     Checking rw-stream-sink v0.3.0
[INFO] [stderr]     Checking multihash v0.16.3
[INFO] [stderr]     Checking multistream-select v0.12.1
[INFO] [stderr]     Checking prost-codec v0.3.0
[INFO] [stderr]     Checking multiaddr v0.16.0
[INFO] [stderr]    Compiling libp2p-core v0.38.0
[INFO] [stderr]    Compiling libp2p-auto-relay v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking libp2p-swarm v0.41.1
[INFO] [stderr]  Documenting libp2p-auto-relay v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `libp2p-auto-relay`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name libp2p_auto_relay src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="combine"' --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2512a0c1ae925080 -L dependency=/opt/rustwide/target/debug/deps --extern asynchronous_codec=/opt/rustwide/target/debug/deps/libasynchronous_codec-dbf8300a4fb48340.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-cdba088f09c8631e.rmeta --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-8a0aa1d6832fdcf9.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-a8b7e933a9b9a9e0.rmeta --extern libp2p_core=/opt/rustwide/target/debug/deps/liblibp2p_core-1ce92067cd921d54.rmeta --extern libp2p_swarm=/opt/rustwide/target/debug/deps/liblibp2p_swarm-0a8ec6f89f1eb62f.rmeta --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-568e57814403f405.rmeta --extern prost=/opt/rustwide/target/debug/deps/libprost-426e76a8284a14c6.rmeta --extern prost_codec=/opt/rustwide/target/debug/deps/libprost_codec-0dac76eb2cd9c46a.rmeta --extern tap=/opt/rustwide/target/debug/deps/libtap-8d72f6c349551ac3.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e79f40bf2b5fe962.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-1e454989ad7bf333.rmeta --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d4229f878d5f019b2bc1ec08cddbae04249fa873d8974811d0f9317b55b72c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4229f878d5f019b2bc1ec08cddbae04249fa873d8974811d0f9317b55b72c2c", kill_on_drop: false }`
[INFO] [stdout] d4229f878d5f019b2bc1ec08cddbae04249fa873d8974811d0f9317b55b72c2c
