[INFO] fetching crate webkit2gtk-webextension 0.10.0...
[INFO] testing webkit2gtk-webextension-0.10.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate webkit2gtk-webextension 0.10.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate webkit2gtk-webextension 0.10.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webkit2gtk-webextension 0.10.0
[INFO] finished tweaking crates.io crate webkit2gtk-webextension 0.10.0
[INFO] tweaked toml for crates.io crate webkit2gtk-webextension 0.10.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pango v0.9.1
[INFO] [stderr]   Downloaded atk v0.9.0
[INFO] [stderr]   Downloaded gdk v0.13.2
[INFO] [stderr]   Downloaded gdk-pixbuf v0.9.0
[INFO] [stderr]   Downloaded gtk v0.9.2
[INFO] [stderr]   Downloaded gio v0.9.1
[INFO] [stderr]   Downloaded glib-macros v0.10.1
[INFO] [stderr]   Downloaded webkit2gtk-webextension-sys v0.9.0
[INFO] [stderr]   Downloaded cairo-rs v0.9.1
[INFO] [stderr]   Downloaded glib v0.10.3
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a57b9c82b96b684520b45ad7e39108c3b75b4de45d4739bdd27aa06a6999886c
[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" "a57b9c82b96b684520b45ad7e39108c3b75b4de45d4739bdd27aa06a6999886c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a57b9c82b96b684520b45ad7e39108c3b75b4de45d4739bdd27aa06a6999886c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57b9c82b96b684520b45ad7e39108c3b75b4de45d4739bdd27aa06a6999886c", kill_on_drop: false }`
[INFO] [stdout] a57b9c82b96b684520b45ad7e39108c3b75b4de45d4739bdd27aa06a6999886c
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71831946d882488c3411c90a88eab2db5547e2032d23b6bdedfa3c72de474ae5
[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" "71831946d882488c3411c90a88eab2db5547e2032d23b6bdedfa3c72de474ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling webkit2gtk-webextension-sys v0.9.0
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling javascriptcore-rs-sys v0.2.0
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]    Compiling soup-sys v0.10.0
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling glib v0.10.3
[INFO] [stderr]    Compiling webkit2gtk-webextension v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `gtk`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gtk /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gtk-0.9.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=f7fe8fbff5a52c48 -C extra-filename=-f7fe8fbff5a52c48 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-6feb457f0da0f951.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-5b4662ec30e63610.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-a6b3af95f52c599f.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-6a0bf9ad9a3fcb17.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-f9ab7bfd7b8c067e.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-5c5b8d33fc3c9201.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-1de67f3b88b75ae0.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-4cda10d4dc0f9daf.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-b7305c46eb3f489b.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-c7ebe92f8f791936.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-94227415274d8c04.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-5afd5709a5a83315.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-47cd937f8a7e985f.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-77d6541a42757d2c.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-dc85fb7e1f85098c.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-fde61906a4a52f6d.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-8c13a406cbfac426.rmeta --cap-lints allow --cap-lints=warn --cfg 'gdk_backend="x11"' --cfg 'gdk_backend="broadway"' --cfg 'gdk_backend="wayland"'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "71831946d882488c3411c90a88eab2db5547e2032d23b6bdedfa3c72de474ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71831946d882488c3411c90a88eab2db5547e2032d23b6bdedfa3c72de474ae5", kill_on_drop: false }`
[INFO] [stdout] 71831946d882488c3411c90a88eab2db5547e2032d23b6bdedfa3c72de474ae5