[INFO] fetching crate sigma_fun 0.4.1...
[INFO] documenting sigma_fun-0.4.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate sigma_fun 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sigma_fun 0.4.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sigma_fun 0.4.1
[INFO] finished tweaking crates.io crate sigma_fun 0.4.1
[INFO] tweaked toml for crates.io crate sigma_fun 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded secp256kfun_k256_backend v2.0.0
[INFO] [stderr]   Downloaded secp256kfun v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c17ad4b01b2c3ac01ffce3d0da124f8b467703027f24ee0de9ae877bf92a2b2d
[INFO] running `Command { std: "docker" "start" "-a" "c17ad4b01b2c3ac01ffce3d0da124f8b467703027f24ee0de9ae877bf92a2b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c17ad4b01b2c3ac01ffce3d0da124f8b467703027f24ee0de9ae877bf92a2b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c17ad4b01b2c3ac01ffce3d0da124f8b467703027f24ee0de9ae877bf92a2b2d", kill_on_drop: false }`
[INFO] [stdout] c17ad4b01b2c3ac01ffce3d0da124f8b467703027f24ee0de9ae877bf92a2b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af7794c524f06c63aefc03e97605a47146a1f8f447df3ae3ee59f5ffd987bf35
[INFO] running `Command { std: "docker" "start" "-a" "af7794c524f06c63aefc03e97605a47146a1f8f447df3ae3ee59f5ffd987bf35", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking subtle-ng v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling secp256kfun v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking secp256kfun_k256_backend v2.0.0
[INFO] [stderr]  Documenting sigma_fun v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.43s
[INFO] running `Command { std: "docker" "inspect" "af7794c524f06c63aefc03e97605a47146a1f8f447df3ae3ee59f5ffd987bf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7794c524f06c63aefc03e97605a47146a1f8f447df3ae3ee59f5ffd987bf35", kill_on_drop: false }`
[INFO] [stdout] af7794c524f06c63aefc03e97605a47146a1f8f447df3ae3ee59f5ffd987bf35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "all" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 79821609b4f0ef69fbc4aca709896d352dae08d3eca2dec11bfc7bf453562bc7
[INFO] running `Command { std: "docker" "start" "-a" "79821609b4f0ef69fbc4aca709896d352dae08d3eca2dec11bfc7bf453562bc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking subtle-ng v2.5.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling secp256kfun v0.7.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking zeroize v1.5.5
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking secp256kfun_k256_backend v2.0.0
[INFO] [stderr]     Checking curve25519-dalek-ng v4.1.1
[INFO] [stderr]  Documenting sigma_fun v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.42s
[INFO] running `Command { std: "docker" "inspect" "79821609b4f0ef69fbc4aca709896d352dae08d3eca2dec11bfc7bf453562bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79821609b4f0ef69fbc4aca709896d352dae08d3eca2dec11bfc7bf453562bc7", kill_on_drop: false }`
[INFO] [stdout] 79821609b4f0ef69fbc4aca709896d352dae08d3eca2dec11bfc7bf453562bc7