[INFO] cloning repository https://github.com/nujz/bellperson-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nujz/bellperson-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnujz%2Fbellperson-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnujz%2Fbellperson-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1588efe78ec47a0fce7be1d794850fa3324b17a
[INFO] documenting nujz/bellperson-examples against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnujz%2Fbellperson-examples" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nujz/bellperson-examples 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 git repo https://github.com/nujz/bellperson-examples
[INFO] finished tweaking git repo https://github.com/nujz/bellperson-examples
[INFO] tweaked toml for git repo https://github.com/nujz/bellperson-examples written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nujz/bellperson-examples 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded group v0.11.0
[INFO] [stderr]   Downloaded execute-command-macro v0.1.6
[INFO] [stderr]   Downloaded execute-command-tokens v0.1.4
[INFO] [stderr]   Downloaded execute-command-macro-impl v0.1.6
[INFO] [stderr]   Downloaded bellperson v0.18.2
[INFO] [stderr]   Downloaded blst v0.3.7
[INFO] [stderr]   Downloaded execute v0.2.9
[INFO] [stderr]   Downloaded zeroize_derive v1.1.1
[INFO] [stderr]   Downloaded blstrs v0.4.2
[INFO] [stderr]   Downloaded pairing v0.21.0
[INFO] [stderr]   Downloaded yastl v0.1.2
[INFO] [stderr]   Downloaded ff v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f56e154e24e69240c35efe13cdce67c0348efd2fe28c127670eec520d55133a2
[INFO] running `Command { std: "docker" "start" "-a" "f56e154e24e69240c35efe13cdce67c0348efd2fe28c127670eec520d55133a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f56e154e24e69240c35efe13cdce67c0348efd2fe28c127670eec520d55133a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56e154e24e69240c35efe13cdce67c0348efd2fe28c127670eec520d55133a2", kill_on_drop: false }`
[INFO] [stdout] f56e154e24e69240c35efe13cdce67c0348efd2fe28c127670eec520d55133a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0d0196671c7986f4aa4ec958f08de8b94f8bfc229d30e35f2380bd7d5df026e3
[INFO] running `Command { std: "docker" "start" "-a" "0d0196671c7986f4aa4ec958f08de8b94f8bfc229d30e35f2380bd7d5df026e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling execute-command-tokens v0.1.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling byte-slice-cast v1.2.0
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking flume v0.10.10
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling blst v0.3.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]     Checking yastl v0.1.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling ff v0.11.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling group v0.11.0
[INFO] [stderr]    Compiling pairing v0.21.0
[INFO] [stderr]    Compiling zeroize_derive v1.1.1
[INFO] [stderr]    Compiling execute-command-macro-impl v0.1.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling execute-command-macro v0.1.6
[INFO] [stderr]    Compiling execute v0.2.9
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking blstrs v0.4.2
[INFO] [stderr]    Compiling bellperson v0.18.2
[INFO] [stderr]  Documenting bellperson-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(option_zip)]
[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 `bellperson-examples`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name bellperson_examples src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=254fa546b14e7796 -L dependency=/opt/rustwide/target/debug/deps --extern bellperson=/opt/rustwide/target/debug/deps/libbellperson-d5817a19cc75e3bb.rmeta --extern blstrs=/opt/rustwide/target/debug/deps/libblstrs-63140f48de2d7bee.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8f8be1e14417462e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0d0196671c7986f4aa4ec958f08de8b94f8bfc229d30e35f2380bd7d5df026e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d0196671c7986f4aa4ec958f08de8b94f8bfc229d30e35f2380bd7d5df026e3", kill_on_drop: false }`
[INFO] [stdout] 0d0196671c7986f4aa4ec958f08de8b94f8bfc229d30e35f2380bd7d5df026e3
