[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 beta-2023-04-20 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-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nujz/bellperson-examples on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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-tc2/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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize_derive v1.1.1
[INFO] [stderr]   Downloaded bellperson v0.18.2
[INFO] [stderr]   Downloaded execute-command-macro-impl v0.1.6
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 189ce41f24bbaf9fa00606c1163e0c4e6d91d581cf6a80aab4825fb2f6601d73
[INFO] running `Command { std: "docker" "start" "-a" "189ce41f24bbaf9fa00606c1163e0c4e6d91d581cf6a80aab4825fb2f6601d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "189ce41f24bbaf9fa00606c1163e0c4e6d91d581cf6a80aab4825fb2f6601d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189ce41f24bbaf9fa00606c1163e0c4e6d91d581cf6a80aab4825fb2f6601d73", kill_on_drop: false }`
[INFO] [stdout] 189ce41f24bbaf9fa00606c1163e0c4e6d91d581cf6a80aab4825fb2f6601d73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ee2dcc52cd81d819fab42a39913e5cc771f2b77718ba797c92d0340acf230bd
[INFO] running `Command { std: "docker" "start" "-a" "5ee2dcc52cd81d819fab42a39913e5cc771f2b77718ba797c92d0340acf230bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
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[INFO] [stderr]     Checking cfg-if v1.0.0
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[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
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[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 beta 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=b63c167c97460d4b -L dependency=/opt/rustwide/target/debug/deps --extern bellperson=/opt/rustwide/target/debug/deps/libbellperson-93dfc3970d8534b8.rmeta --extern blstrs=/opt/rustwide/target/debug/deps/libblstrs-21b075d0ee8bbf1e.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a2250441624ca8fc.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5ee2dcc52cd81d819fab42a39913e5cc771f2b77718ba797c92d0340acf230bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee2dcc52cd81d819fab42a39913e5cc771f2b77718ba797c92d0340acf230bd", kill_on_drop: false }`
[INFO] [stdout] 5ee2dcc52cd81d819fab42a39913e5cc771f2b77718ba797c92d0340acf230bd
