[INFO] cloning repository https://github.com/dvc94ch/flutter-qrcode-plugin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dvc94ch/flutter-qrcode-plugin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fflutter-qrcode-plugin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fflutter-qrcode-plugin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b27d44f6377898fd8d668f6167d85496dfbc1484
[INFO] testing dvc94ch/flutter-qrcode-plugin against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fflutter-qrcode-plugin" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dvc94ch/flutter-qrcode-plugin on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a8e8128a99b789af55b5f71b3e55029c7ef2587b8c275905f9406697e1c1473
[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" "6a8e8128a99b789af55b5f71b3e55029c7ef2587b8c275905f9406697e1c1473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a8e8128a99b789af55b5f71b3e55029c7ef2587b8c275905f9406697e1c1473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8e8128a99b789af55b5f71b3e55029c7ef2587b8c275905f9406697e1c1473", kill_on_drop: false }`
[INFO] [stdout] 6a8e8128a99b789af55b5f71b3e55029c7ef2587b8c275905f9406697e1c1473
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e57ee71122373e6b9713e290f8447bdf5f05c2406b41e54d754bad877cbec66
[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" "4e57ee71122373e6b9713e290f8447bdf5f05c2406b41e54d754bad877cbec66", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling tinystr v0.3.2
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling instant v0.1.2
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling unic-langid-impl v0.7.2
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling unic-locale-impl v0.7.1
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling async-task v1.3.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling unic-locale v0.7.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling priority-queue v0.7.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4 (https://github.com/dvc94ch/glutin?branch=android#3c315992)
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5 (https://github.com/dvc94ch/glutin?branch=android#3c315992)
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling locale_config v0.3.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.9
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[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 async-std v1.4.0
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling cpp_common v0.5.4
[INFO] [stderr]    Compiling cpp_build v0.5.4
[INFO] [stderr]    Compiling x11-clipboard v0.5.1
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling opencv v0.29.0
[INFO] [stderr]    Compiling cpp_macros v0.5.4
[INFO] [stderr]    Compiling image v0.22.4
[INFO] [stderr]    Compiling cpp v0.5.4
[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-d2e1e7e6ab3e4778/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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4e57ee71122373e6b9713e290f8447bdf5f05c2406b41e54d754bad877cbec66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e57ee71122373e6b9713e290f8447bdf5f05c2406b41e54d754bad877cbec66", kill_on_drop: false }`
[INFO] [stdout] 4e57ee71122373e6b9713e290f8447bdf5f05c2406b41e54d754bad877cbec66