[INFO] fetching crate rust_drone_follow 0.6.1...
[INFO] testing rust_drone_follow-0.6.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rust_drone_follow 0.6.1 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate rust_drone_follow 0.6.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_drone_follow 0.6.1
[INFO] finished tweaking crates.io crate rust_drone_follow 0.6.1
[INFO] tweaked toml for crates.io crate rust_drone_follow 0.6.1 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] feab700792018599019c9a63449c3ea973b753486cc127e8a71414c73f72fa24
[INFO] running `Command { std: "docker" "start" "-a" "feab700792018599019c9a63449c3ea973b753486cc127e8a71414c73f72fa24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feab700792018599019c9a63449c3ea973b753486cc127e8a71414c73f72fa24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feab700792018599019c9a63449c3ea973b753486cc127e8a71414c73f72fa24", kill_on_drop: false }`
[INFO] [stdout] feab700792018599019c9a63449c3ea973b753486cc127e8a71414c73f72fa24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13bed8f0923c06c76b2f55661f0b1079ee9786574ae3fc6f9c754ac3940f5fc2
[INFO] running `Command { std: "docker" "start" "-a" "13bed8f0923c06c76b2f55661f0b1079ee9786574ae3fc6f9c754ac3940f5fc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling num v0.2.1
[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-a4490008a7d0d51f/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENCV4_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENCV4_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENCV4_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=SYSROOT
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENCV4_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENCV4_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENCV4_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENCV4_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr] 
[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]   === OpenCV library configuration: Library {
[INFO] [stderr]       include_paths: [
[INFO] [stderr]           "/usr/include/opencv4/opencv",
[INFO] [stderr]           "/usr/include/opencv4",
[INFO] [stderr]       ],
[INFO] [stderr]       version: "4.2.0",
[INFO] [stderr]       cargo_metadata: [
[INFO] [stderr]           "cargo:rustc-link-search=native=/usr/lib/x86_64-linux-gnu",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_stitching",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_aruco",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_bgsegm",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_bioinspired",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_ccalib",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_dnn_objdetect",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_dnn_superres",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_dpm",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_highgui",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_face",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_freetype",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_fuzzy",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_hdf",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_hfs",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_img_hash",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_line_descriptor",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_quality",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_reg",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_rgbd",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_saliency",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_shape",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_stereo",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_structured_light",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_phase_unwrapping",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_superres",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_optflow",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_surface_matching",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_tracking",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_datasets",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_text",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_dnn",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_plot",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_ml",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_videostab",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_videoio",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_viz",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_ximgproc",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_video",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_xobjdetect",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_objdetect",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_calib3d",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_imgcodecs",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_features2d",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_flann",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_xphoto",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_photo",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_imgproc",
[INFO] [stderr]           "cargo:rustc-link-lib=opencv_core",
[INFO] [stderr]       ],
[INFO] [stderr]   }
[INFO] [stderr]   === Found OpenCV library version: 4.3.0 in headers located at: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencv-0.39.0/headers/4
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] running `Command { std: "docker" "inspect" "13bed8f0923c06c76b2f55661f0b1079ee9786574ae3fc6f9c754ac3940f5fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13bed8f0923c06c76b2f55661f0b1079ee9786574ae3fc6f9c754ac3940f5fc2", kill_on_drop: false }`
[INFO] [stdout] 13bed8f0923c06c76b2f55661f0b1079ee9786574ae3fc6f9c754ac3940f5fc2