[INFO] fetching crate tfhe 0.2.3...
[INFO] documenting tfhe-0.2.3 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate tfhe 0.2.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate tfhe 0.2.3 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 tfhe 0.2.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tfhe 0.2.3
[INFO] tweaked toml for crates.io crate tfhe 0.2.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate tfhe 0.2.3 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 kolmogorov_smirnov v1.1.0
[INFO] [stderr]   Downloaded concrete-fft v0.2.1
[INFO] [stderr]   Downloaded concrete-csprng v0.3.0
[INFO] [stderr]   Downloaded pulp v0.11.11
[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] db1edb71797f532384eb3d3d10d2225952d570ea9f87e46edd9ff1b67147d6cd
[INFO] running `Command { std: "docker" "start" "-a" "db1edb71797f532384eb3d3d10d2225952d570ea9f87e46edd9ff1b67147d6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db1edb71797f532384eb3d3d10d2225952d570ea9f87e46edd9ff1b67147d6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db1edb71797f532384eb3d3d10d2225952d570ea9f87e46edd9ff1b67147d6cd", kill_on_drop: false }`
[INFO] [stdout] db1edb71797f532384eb3d3d10d2225952d570ea9f87e46edd9ff1b67147d6cd
[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] c22590a6a88d68bf8c4de86eeb61bed449b789214a7c0504a22f584bb51e074d
[INFO] running `Command { std: "docker" "start" "-a" "c22590a6a88d68bf8c4de86eeb61bed449b789214a7c0504a22f584bb51e074d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking reborrow v0.5.4
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling concrete-csprng v0.3.0
[INFO] [stderr]    Compiling tfhe v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking pulp v0.11.11
[INFO] [stderr]     Checking dyn-stack v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking aes v0.8.2
[INFO] [stderr]     Checking concrete-fft v0.2.1
[INFO] [stderr]  Documenting tfhe v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![cfg_attr(all(doc, not(doctest)), feature(doc_auto_cfg))]
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(all(doc, not(doctest)), feature(doc_cfg))]
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `tfhe`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-type staticlib --crate-type cdylib --crate-name tfhe src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=34bbeaba730fb01b -L dependency=/opt/rustwide/target/debug/deps --extern aligned_vec=/opt/rustwide/target/debug/deps/libaligned_vec-4459c622b94fbba5.rmeta --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-6eca98ff7ceae8db.rmeta --extern concrete_csprng=/opt/rustwide/target/debug/deps/libconcrete_csprng-7ecf3dfe36b71c3b.rmeta --extern concrete_fft=/opt/rustwide/target/debug/deps/libconcrete_fft-6d7c074f35791fc0.rmeta --extern dyn_stack=/opt/rustwide/target/debug/deps/libdyn_stack-4f7dd93d87ca0f5c.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-578991b5e0b8e761.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-7f6943baeb2ea0e0.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-b379911497bfa74c.so --extern pulp=/opt/rustwide/target/debug/deps/libpulp-34d72dd5560a3a05.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-7c7b941102f614a4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7f5aa0c9c57e86c5.rmeta --cap-lints=warn --crate-version 0.2.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c22590a6a88d68bf8c4de86eeb61bed449b789214a7c0504a22f584bb51e074d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c22590a6a88d68bf8c4de86eeb61bed449b789214a7c0504a22f584bb51e074d", kill_on_drop: false }`
[INFO] [stdout] c22590a6a88d68bf8c4de86eeb61bed449b789214a7c0504a22f584bb51e074d
