[INFO] updating cached repository https://github.com/dvc94ch/flutter-qrcode-plugin
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b27d44f6377898fd8d668f6167d85496dfbc1484
[INFO] testing dvc94ch/flutter-qrcode-plugin against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fflutter-qrcode-plugin" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dvc94ch/flutter-qrcode-plugin on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dvc94ch/flutter-qrcode-plugin
[INFO] finished tweaking git repo https://github.com/dvc94ch/flutter-qrcode-plugin
[INFO] tweaked toml for git repo https://github.com/dvc94ch/flutter-qrcode-plugin written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/dvc94ch/flutter-qrcode-plugin already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-06-03" "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] 2646a3478a771eca95b39bda07ba44e7e38978f9b22722e91e6850de42bdbfdb
[INFO] running `"docker" "start" "-a" "2646a3478a771eca95b39bda07ba44e7e38978f9b22722e91e6850de42bdbfdb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]    Compiling instant v0.1.2
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling unic-langid-impl v0.7.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling async-task v1.3.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling priority-queue v0.7.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling locale_config v0.3.0
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling cpp_common v0.5.4
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling unic-locale-impl v0.7.1
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling unic-locale v0.7.1
[INFO] [stderr]    Compiling cpp_build v0.5.4
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling image v0.22.4
[INFO] [stderr]    Compiling cpp_macros v0.5.4
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.9
[INFO] [stderr]    Compiling async-std v1.4.0
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]    Compiling opencv v0.29.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5 (https://github.com/dvc94ch/glutin?branch=android#3c315992)
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4 (https://github.com/dvc94ch/glutin?branch=android#3c315992)
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling cpp v0.5.4
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr] error: failed to run custom build command for `opencv v0.29.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/opencv-0dd985f5a5611f1f/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] === Setting up OpenCV library from pkg_config
[INFO] [stderr] Error: "Package opencv4 is not found, caused by: `\"pkg-config\" \"--libs\" \"--cflags\" \"opencv4\"` did not exit successfully: exit code: 1\n--- stderr\nPackage opencv4 was not found in the pkg-config search path.\nPerhaps you should add the directory containing `opencv4.pc\'\nto the PKG_CONFIG_PATH environment variable\nNo package \'opencv4\' found\n"
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2646a3478a771eca95b39bda07ba44e7e38978f9b22722e91e6850de42bdbfdb"`
[INFO] running `"docker" "rm" "-f" "2646a3478a771eca95b39bda07ba44e7e38978f9b22722e91e6850de42bdbfdb"`
[INFO] [stdout] 2646a3478a771eca95b39bda07ba44e7e38978f9b22722e91e6850de42bdbfdb