[INFO] fetching crate bellman-keccak256 0.1.0...
[INFO] documenting bellman-keccak256-0.1.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate bellman-keccak256 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bellman-keccak256 0.1.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bellman-keccak256 0.1.0
[INFO] finished tweaking crates.io crate bellman-keccak256 0.1.0
[INFO] tweaked toml for crates.io crate bellman-keccak256 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82bdfd33be78cf518bb1b3a5f9feaf596a25ff452442e6155fa92bf9f3b391f2
[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" "82bdfd33be78cf518bb1b3a5f9feaf596a25ff452442e6155fa92bf9f3b391f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82bdfd33be78cf518bb1b3a5f9feaf596a25ff452442e6155fa92bf9f3b391f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82bdfd33be78cf518bb1b3a5f9feaf596a25ff452442e6155fa92bf9f3b391f2", kill_on_drop: false }`
[INFO] [stdout] 82bdfd33be78cf518bb1b3a5f9feaf596a25ff452442e6155fa92bf9f3b391f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dd2cd84a2fb42e41ea77776db5c30dce0203de2d2865bbac9da395aca224f4c
[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" "9dd2cd84a2fb42e41ea77776db5c30dce0203de2d2865bbac9da395aca224f4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling ff_derive v0.4.1
[INFO] [stderr]     Checking ff v0.5.2
[INFO] [stderr]     Checking group v0.2.0
[INFO] [stderr]     Checking bellman v0.2.0
[INFO] [stderr]  Documenting bellman-keccak256 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[keccak256]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/uint64.rs:1:64
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! Circuit representation of a [`u64`], with helpers for the [`keccak256`]
[INFO] [stdout]   |                                                                ^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.65s
[INFO] running `Command { std: "docker" "inspect" "9dd2cd84a2fb42e41ea77776db5c30dce0203de2d2865bbac9da395aca224f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd2cd84a2fb42e41ea77776db5c30dce0203de2d2865bbac9da395aca224f4c", kill_on_drop: false }`
[INFO] [stdout] 9dd2cd84a2fb42e41ea77776db5c30dce0203de2d2865bbac9da395aca224f4c