[INFO] fetching crate ledger-polkadot 0.2.0...
[INFO] documenting ledger-polkadot-0.2.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate ledger-polkadot 0.2.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate ledger-polkadot 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ledger-polkadot 0.2.0
[INFO] finished tweaking crates.io crate ledger-polkadot 0.2.0
[INFO] tweaked toml for crates.io crate ledger-polkadot 0.2.0 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hidapi v0.5.2
[INFO] [stderr]   Downloaded ledger v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5ec04dbdf91d5f378620d236384e799ac1186da1ef5a89c374b891c78bbf5aa
[INFO] running `Command { std: "docker" "start" "-a" "e5ec04dbdf91d5f378620d236384e799ac1186da1ef5a89c374b891c78bbf5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5ec04dbdf91d5f378620d236384e799ac1186da1ef5a89c374b891c78bbf5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ec04dbdf91d5f378620d236384e799ac1186da1ef5a89c374b891c78bbf5aa", kill_on_drop: false }`
[INFO] [stdout] e5ec04dbdf91d5f378620d236384e799ac1186da1ef5a89c374b891c78bbf5aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 595bd968cd63b251bdfec13bab45f6c7ebfe2f3afed8b6aa78aac62058838a52
[INFO] running `Command { std: "docker" "start" "-a" "595bd968cd63b251bdfec13bab45f6c7ebfe2f3afed8b6aa78aac62058838a52", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]    Compiling hidapi v0.5.2
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ledger v0.2.5
[INFO] [stderr]  Documenting ledger-polkadot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.54s
[INFO] running `Command { std: "docker" "inspect" "595bd968cd63b251bdfec13bab45f6c7ebfe2f3afed8b6aa78aac62058838a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595bd968cd63b251bdfec13bab45f6c7ebfe2f3afed8b6aa78aac62058838a52", kill_on_drop: false }`
[INFO] [stdout] 595bd968cd63b251bdfec13bab45f6c7ebfe2f3afed8b6aa78aac62058838a52
