[INFO] cloning repository https://github.com/alexesmet/forge-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexesmet/forge-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexesmet%2Fforge-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexesmet%2Fforge-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd82b93ca66a0a839253667b407efb04164a57c9
[INFO] documenting alexesmet/forge-bot against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexesmet%2Fforge-bot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexesmet/forge-bot on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexesmet/forge-bot
[INFO] finished tweaking git repo https://github.com/alexesmet/forge-bot
[INFO] tweaked toml for git repo https://github.com/alexesmet/forge-bot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/alexesmet/forge-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d02b0552a748a9fef202b31b1cd6f0bc24922ff4084eb41c1770839457f69ef6
[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" "d02b0552a748a9fef202b31b1cd6f0bc24922ff4084eb41c1770839457f69ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d02b0552a748a9fef202b31b1cd6f0bc24922ff4084eb41c1770839457f69ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02b0552a748a9fef202b31b1cd6f0bc24922ff4084eb41c1770839457f69ef6", kill_on_drop: false }`
[INFO] [stdout] d02b0552a748a9fef202b31b1cd6f0bc24922ff4084eb41c1770839457f69ef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0a62ee6e4c71f53d4a7dc79ef2474ec84d364d9bf0a69afc7f1d8f46aee7c95
[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" "f0a62ee6e4c71f53d4a7dc79ef2474ec84d364d9bf0a69afc7f1d8f46aee7c95", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcpkg v0.2.8
[INFO] [stderr]    Compiling scrap v0.5.0
[INFO] [stderr]    Compiling enigo v0.0.14
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling opencv v0.39.0
[INFO] [stderr] error: failed to run custom build command for `opencv v0.39.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/opencv-10869da3fe259f3a/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   === Crate version: Some("0.39.0")
[INFO] [stderr]   === Environment configuration:
[INFO] [stderr]   ===   OPENCV_HEADER_DIR = None
[INFO] [stderr]   ===   OPENCV_PACKAGE_NAME = None
[INFO] [stderr]   ===   OPENCV_PKGCONFIG_NAME = None
[INFO] [stderr]   ===   OPENCV_CMAKE_NAME = None
[INFO] [stderr]   ===   OPENCV_CMAKE_BIN = None
[INFO] [stderr]   ===   OPENCV_VCPKG_NAME = None
[INFO] [stderr]   ===   OPENCV_LINK_LIBS = None
[INFO] [stderr]   ===   OPENCV_LINK_PATHS = None
[INFO] [stderr]   ===   OPENCV_INCLUDE_PATHS = None
[INFO] [stderr]   ===   OPENCV_DISABLE_PROBES = None
[INFO] [stderr]   ===   OPENCV_CLANG_STDLIB_PATH = None
[INFO] [stderr]   ===   CMAKE_PREFIX_PATH = None
[INFO] [stderr]   ===   OpenCV_DIR = None
[INFO] [stderr]   ===   PKG_CONFIG_PATH = None
[INFO] [stderr]   ===   VCPKG_ROOT = None
[INFO] [stderr]   === Enabled features:
[INFO] [stderr]   ===   DEFAULT
[INFO] [stderr]   ===   OPENCV_4
[INFO] [stderr]   === Probing OpenCV library using pkg_config
[INFO] [stderr]   === Can't probe using pkg_config, continuing with other methods, error: `"pkg-config" "--libs" "--cflags" "opencv4"` did not exit successfully: exit code: 1
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Package opencv4 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `opencv4.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'opencv4' found
[INFO] [stderr] 
[INFO] [stderr]   === Probing OpenCV library using cmake
[INFO] [stderr]   === Can't probe using cmake, continuing with other methods, error: cmake returned an error
[INFO] [stderr]       stdout: "OpenCV not found.\n"
[INFO] [stderr]       stderr: "CMake Error: Problem processing arguments. Aborting.\n\n"
[INFO] [stderr]   === Probing OpenCV library using vcpkg
[INFO] [stderr]   === Can't probe using vcpkg, continuing with other methods, error: Could not find Vcpkg tree: Failed to read either VCPKG_ROOT or LOCALAPPDATA environment variables
[INFO] [stderr]   Error: "Failed to find OpenCV package using probes: pkg_config, cmake, vcpkg"
[INFO] running `Command { std: "docker" "inspect" "f0a62ee6e4c71f53d4a7dc79ef2474ec84d364d9bf0a69afc7f1d8f46aee7c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a62ee6e4c71f53d4a7dc79ef2474ec84d364d9bf0a69afc7f1d8f46aee7c95", kill_on_drop: false }`
[INFO] [stdout] f0a62ee6e4c71f53d4a7dc79ef2474ec84d364d9bf0a69afc7f1d8f46aee7c95