[INFO] cloning repository https://github.com/huytd/webview-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huytd/webview-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Fwebview-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Fwebview-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4472911face9a2fed2467f59b8abe838e2ef7cf6
[INFO] testing huytd/webview-demo against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Fwebview-demo" "/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/huytd/webview-demo on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/huytd/webview-demo
[INFO] finished tweaking git repo https://github.com/huytd/webview-demo
[INFO] tweaked toml for git repo https://github.com/huytd/webview-demo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/huytd/webview-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/huytd/web-view.git`
[INFO] [stderr]     Updating git submodule `https://github.com/huytd/webview`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.10
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e76b60352a0f08722b6ef436f05d9dee70551c2342b6cd45357ff6dda3602b97
[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" "e76b60352a0f08722b6ef436f05d9dee70551c2342b6cd45357ff6dda3602b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e76b60352a0f08722b6ef436f05d9dee70551c2342b6cd45357ff6dda3602b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76b60352a0f08722b6ef436f05d9dee70551c2342b6cd45357ff6dda3602b97", kill_on_drop: false }`
[INFO] [stdout] e76b60352a0f08722b6ef436f05d9dee70551c2342b6cd45357ff6dda3602b97
[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" "RUSTFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35fad7ee9d6ac74d1c506a7c6991d191bdc9207751b68859c1b24c595f84cd68
[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" "35fad7ee9d6ac74d1c506a7c6991d191bdc9207751b68859c1b24c595f84cd68", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling webview-sys v0.1.0 (https://github.com/huytd/web-view.git#55446f00)
[INFO] [stderr]    Compiling web-view v0.1.3 (https://github.com/huytd/web-view.git#55446f00)
[INFO] [stderr]    Compiling webview-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.39yip56gq6gjhaon.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/target/debug/build/webview-sys-9fa79a1b45fee643/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libweb_view-d0d6e4471e95f244.rlib" "/opt/rustwide/target/debug/deps/libwebview_sys-219fc0d1fdd9a0bd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-f72b79fff163ade4.rlib" "/opt/rustwide/target/debug/deps/liburlencoding-7e4e3529dbb3aee9.rlib" "/opt/rustwide/target/debug/deps/libfnv-3b027f9af76441c8.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lwebkit2gtk-4.0" "-lgtk-3" "-lgdk-3" "-lpangocairo-1.0" "-lpango-1.0" "-lharfbuzz" "-latk-1.0" "-lcairo-gobject" "-lcairo" "-lgdk_pixbuf-2.0" "-lsoup-2.4" "-lgio-2.0" "-ljavascriptcoregtk-4.0" "-lgobject-2.0" "-lglib-2.0" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/webview_demo-b40631cec4d9bfb0.webview_demo.5917d545-cgu.2.rcgu.o: in function `web_view::WebView<T>::set_background_color':
[INFO] [stdout]           /opt/rustwide/cargo-home/git/checkouts/web-view-f57935dfdebe6906/55446f0/src/lib.rs:131: undefined reference to `webview_set_background_color'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webview-demo` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "35fad7ee9d6ac74d1c506a7c6991d191bdc9207751b68859c1b24c595f84cd68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fad7ee9d6ac74d1c506a7c6991d191bdc9207751b68859c1b24c595f84cd68", kill_on_drop: false }`
[INFO] [stdout] 35fad7ee9d6ac74d1c506a7c6991d191bdc9207751b68859c1b24c595f84cd68