[INFO] fetching crate mpc-stark 0.2.4...
[INFO] documenting mpc-stark-0.2.4 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate mpc-stark 0.2.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mpc-stark 0.2.4 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-0-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate mpc-stark 0.2.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mpc-stark 0.2.4
[INFO] tweaked toml for crates.io crate mpc-stark 0.2.4 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" "+1.76.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inventory v0.3.15
[INFO] [stderr]   Downloaded kanal v0.1.0-pre8
[INFO] [stderr]   Downloaded gperftools v0.2.0
[INFO] [stderr]   Downloaded cpuprofiler v0.0.4
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5920cf6b606bb8448db8ce75d81fe1308fbd044d32912365a8b1c38ba55c5970
[INFO] running `Command { std: "docker" "start" "-a" "5920cf6b606bb8448db8ce75d81fe1308fbd044d32912365a8b1c38ba55c5970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5920cf6b606bb8448db8ce75d81fe1308fbd044d32912365a8b1c38ba55c5970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5920cf6b606bb8448db8ce75d81fe1308fbd044d32912365a8b1c38ba55c5970", kill_on_drop: false }`
[INFO] [stdout] 5920cf6b606bb8448db8ce75d81fe1308fbd044d32912365a8b1c38ba55c5970
[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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6be34f5db2e87573c2d69e8ed9d06bce0ca5c035eb257c067f0279f31a09db8c
[INFO] running `Command { std: "docker" "start" "-a" "6be34f5db2e87573c2d69e8ed9d06bce0ca5c035eb257c067f0279f31a09db8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking either v1.10.0
[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 crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling ahash v0.8.8
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking ark-std v0.4.0
[INFO] [stderr]     Checking webpki v0.22.4
[INFO] [stderr]     Checking pem v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking kanal v0.1.0-pre8
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking rcgen v0.9.3
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]    Compiling ark-ff-asm v0.4.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-macros v0.4.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking quinn-proto v0.9.6
[INFO] [stderr]     Checking ark-ff v0.4.2
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking quinn-udp v0.3.2
[INFO] [stderr]     Checking quinn v0.9.4
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking ark-poly v0.4.2
[INFO] [stderr]     Checking ark-ec v0.4.2
[INFO] [stderr]  Documenting mpc-stark v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(inherent_associated_types)]
[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 `mpc-stark`
[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 mpc_stark src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=50af92f329942c33 -L dependency=/opt/rustwide/target/debug/deps --extern ark_ec=/opt/rustwide/target/debug/deps/libark_ec-a63fb421c0d75d73.rmeta --extern ark_ff=/opt/rustwide/target/debug/deps/libark_ff-1bdabf1a3478623a.rmeta --extern ark_serialize=/opt/rustwide/target/debug/deps/libark_serialize-8e74d9300a0ab7ac.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-dc61d5b4f9150565.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-83cef452744526c5.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-2085de64aa2b5a07.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-a0c426e70871c623.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-58d9de0122bad05f.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-d40f6d0edd1769a8.rmeta --extern kanal=/opt/rustwide/target/debug/deps/libkanal-4bae36a6836c8644.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-0da737a33bd1d5d1.rmeta --extern quinn=/opt/rustwide/target/debug/deps/libquinn-15a551c5cd14b7c7.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-848a0b6800dda5b6.rmeta --extern rcgen=/opt/rustwide/target/debug/deps/librcgen-e8222ca96594cc07.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-e50cb2abc88483c1.rmeta --extern rustls=/opt/rustwide/target/debug/deps/librustls-833cdae00fef1f7f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7e5cc45146731dac.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-80648eae4f43e660.rmeta --extern sha3=/opt/rustwide/target/debug/deps/libsha3-9908daa46b3562ad.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-4c6684b814a2848f.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-b1583f8efad3197b.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-3f74b0c9ca8189c1.rmeta --cap-lints=warn --crate-version 0.2.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6be34f5db2e87573c2d69e8ed9d06bce0ca5c035eb257c067f0279f31a09db8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be34f5db2e87573c2d69e8ed9d06bce0ca5c035eb257c067f0279f31a09db8c", kill_on_drop: false }`
[INFO] [stdout] 6be34f5db2e87573c2d69e8ed9d06bce0ca5c035eb257c067f0279f31a09db8c
