[INFO] fetching crate rust_drone_follow 0.6.0...
[INFO] testing rust_drone_follow-0.6.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate rust_drone_follow 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rust_drone_follow 0.6.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust_drone_follow 0.6.0
[INFO] finished tweaking crates.io crate rust_drone_follow 0.6.0
[INFO] tweaked toml for crates.io crate rust_drone_follow 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4dd8aa0a159c5cb7cd1645c03957648d4d5a1135373f7f836e1477151572c6ce
[INFO] running `"docker" "start" "-a" "4dd8aa0a159c5cb7cd1645c03957648d4d5a1135373f7f836e1477151572c6ce"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling vcpkg v0.2.9
[INFO] [stderr]    Compiling semver v0.10.0
[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-1759c6678ae8801f/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: No vcpkg installation found. Set the VCPKG_ROOT environment variable or run 'vcpkg integrate install'
[INFO] [stderr] Error: "Failed to find OpenCV package using probes: pkg_config, cmake, vcpkg"
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "4dd8aa0a159c5cb7cd1645c03957648d4d5a1135373f7f836e1477151572c6ce"`
[INFO] running `"docker" "rm" "-f" "4dd8aa0a159c5cb7cd1645c03957648d4d5a1135373f7f836e1477151572c6ce"`
[INFO] [stdout] 4dd8aa0a159c5cb7cd1645c03957648d4d5a1135373f7f836e1477151572c6ce