[INFO] fetching crate bellperson 0.9.2...
[INFO] documenting bellperson-0.9.2 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate bellperson 0.9.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate bellperson 0.9.2 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bellperson 0.9.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bellperson 0.9.2
[INFO] tweaked toml for crates.io crate bellperson 0.9.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2722fdf021634adf88be023cc6a906c60d39d70be330fd031ea31878d31e813d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2722fdf021634adf88be023cc6a906c60d39d70be330fd031ea31878d31e813d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2722fdf021634adf88be023cc6a906c60d39d70be330fd031ea31878d31e813d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2722fdf021634adf88be023cc6a906c60d39d70be330fd031ea31878d31e813d", kill_on_drop: false }`
[INFO] [stdout] 2722fdf021634adf88be023cc6a906c60d39d70be330fd031ea31878d31e813d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2189a446508f12bdf9f10e0c5b83621bb672556a6c51322677329bb6e0ba58c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f2189a446508f12bdf9f10e0c5b83621bb672556a6c51322677329bb6e0ba58c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling fff v0.2.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]    Compiling fff_derive v0.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking groupy v0.3.1
[INFO] [stderr]     Checking paired v0.20.0
[INFO] [stderr]  Documenting bellperson v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: `[group]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 | //! using the [`ff`] and [`group`] crates, while specific proving systems will
[INFO] [stdout]     |                           ^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 | #![deny(intra_doc_link_resolution_failure)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[sha256]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/gadgets/uint32.rs:1:64
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! Circuit representation of a [`u32`], with helpers for the [`sha256`]
[INFO] [stdout]   |                                                                ^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `bellperson`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name bellperson src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="crossbeam"' --cfg 'feature="default"' --cfg 'feature="futures-cpupool"' --cfg 'feature="groth16"' --cfg 'feature="multicore"' --cfg 'feature="num_cpus"' --cfg 'feature="paired"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-798b719499ea139b.rmeta --extern bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-454ee814ad86bc7b.rmeta --extern blake2s_simd=/opt/rustwide/target/debug/deps/libblake2s_simd-20590fea659be78b.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-75816ef8ceecf9ec.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-f0c19456aada1fa2.rmeta --extern ff=/opt/rustwide/target/debug/deps/libfff-34d1344d18a91071.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-02decb096191b3cd.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-351bdcf712217ac5.rmeta --extern groupy=/opt/rustwide/target/debug/deps/libgroupy-c8a7baa55a19712c.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b2c940d7bd864b5c.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0aada07bd69e847b.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-4b0f45dd446ebaf6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-d9c037406e4228a0.rmeta --extern paired=/opt/rustwide/target/debug/deps/libpaired-17aa1e684d35f880.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-3ab3bfa30110ec03.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-8864b6687554bb1b.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-ab9321df3de87e4c.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-3aaf4f831c8bb620.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "f2189a446508f12bdf9f10e0c5b83621bb672556a6c51322677329bb6e0ba58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2189a446508f12bdf9f10e0c5b83621bb672556a6c51322677329bb6e0ba58c", kill_on_drop: false }`
[INFO] [stdout] f2189a446508f12bdf9f10e0c5b83621bb672556a6c51322677329bb6e0ba58c