[INFO] fetching crate goro-p2p-inspector 0.1.1...
[INFO] documenting goro-p2p-inspector-0.1.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate goro-p2p-inspector 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate goro-p2p-inspector 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] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate goro-p2p-inspector 0.1.1
[INFO] finished tweaking crates.io crate goro-p2p-inspector 0.1.1
[INFO] tweaked toml for crates.io crate goro-p2p-inspector 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate goro-p2p-inspector 0.1.1 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d4e728d856f33d76d89a6f6142265d0b3477b5752bd2dd4908f8ba50a239e31e
[INFO] running `Command { std: "docker" "start" "-a" "d4e728d856f33d76d89a6f6142265d0b3477b5752bd2dd4908f8ba50a239e31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4e728d856f33d76d89a6f6142265d0b3477b5752bd2dd4908f8ba50a239e31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e728d856f33d76d89a6f6142265d0b3477b5752bd2dd4908f8ba50a239e31e", kill_on_drop: false }`
[INFO] [stdout] d4e728d856f33d76d89a6f6142265d0b3477b5752bd2dd4908f8ba50a239e31e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7ee629808cefac45b0de1c2328e2051683739ece784e982fceb43e182ce85d51
[INFO] running `Command { std: "docker" "start" "-a" "7ee629808cefac45b0de1c2328e2051683739ece784e982fceb43e182ce85d51", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
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[INFO] [stderr]    Compiling serde_derive v1.0.158
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[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking sval v1.0.0-alpha.5
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling syn v2.0.10
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]    Compiling slab v0.4.8
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[INFO] [stderr]     Checking base16ct v0.1.1
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[INFO] [stderr]     Checking unicode-normalization v0.1.22
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]     Checking signature v1.6.4
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[INFO] [stderr]    Compiling bumpalo v3.12.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.84
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[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.84
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.84
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[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
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[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]    Compiling libsecp256k1 v0.7.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking signature v2.0.0
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling futures-macro v0.3.27
[INFO] [stderr]    Compiling zeroize_derive v1.3.3
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.84
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking crypto-bigint v0.4.9
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking rfc6979 v0.3.1
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking elliptic-curve v0.12.3
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-util-0.3.27/src/lib.rs:4:53
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(feature = "write-all-vectored", feature(io_slice_advance))]
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]     Checking ecdsa v0.15.1
[INFO] [stderr]     Checking primeorder v0.12.1
[INFO] [stderr]    Compiling prost-derive v0.11.8
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking js-sys v0.3.61
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking p256 v0.12.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling polling v2.6.0
[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 compile `futures-util` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7ee629808cefac45b0de1c2328e2051683739ece784e982fceb43e182ce85d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee629808cefac45b0de1c2328e2051683739ece784e982fceb43e182ce85d51", kill_on_drop: false }`
[INFO] [stdout] 7ee629808cefac45b0de1c2328e2051683739ece784e982fceb43e182ce85d51
