[INFO] fetching crate webkit2gtk-webextension 0.10.0...
[INFO] testing webkit2gtk-webextension-0.10.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate webkit2gtk-webextension 0.10.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate webkit2gtk-webextension 0.10.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gdk-pixbuf v0.9.0
[INFO] [stderr]   Downloaded atk v0.9.0
[INFO] [stderr]   Downloaded cairo-rs v0.9.1
[INFO] [stderr]   Downloaded glib-macros v0.10.1
[INFO] [stderr]   Downloaded pango v0.9.1
[INFO] [stderr]   Downloaded glib v0.10.3
[INFO] [stderr]   Downloaded gio v0.9.1
[INFO] [stderr]   Downloaded webkit2gtk-webextension-sys v0.9.0
[INFO] [stderr]   Downloaded gdk v0.13.2
[INFO] [stderr]   Downloaded gtk v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6b19a1ccc483b0f34fa750523bed9d59b18ff5cff9b47f985fa59dcdd8a8e6a
[INFO] running `Command { std: "docker" "start" "-a" "c6b19a1ccc483b0f34fa750523bed9d59b18ff5cff9b47f985fa59dcdd8a8e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6b19a1ccc483b0f34fa750523bed9d59b18ff5cff9b47f985fa59dcdd8a8e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b19a1ccc483b0f34fa750523bed9d59b18ff5cff9b47f985fa59dcdd8a8e6a", kill_on_drop: false }`
[INFO] [stdout] c6b19a1ccc483b0f34fa750523bed9d59b18ff5cff9b47f985fa59dcdd8a8e6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 055c1fd732d4904919db805c9f05e694e3d32c9ec4f3e6bb76d8765b4a2b7b03
[INFO] running `Command { std: "docker" "start" "-a" "055c1fd732d4904919db805c9f05e694e3d32c9ec4f3e6bb76d8765b4a2b7b03", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling webkit2gtk-webextension-sys v0.9.0
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[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 pango-sys v0.10.0
[INFO] [stderr]    Compiling gdk-pixbuf-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 v0.3.21
[INFO] [stderr]    Compiling glib v0.10.3
[INFO] [stderr]    Compiling futures v0.3.21
[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,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=61d66f16f7b9f0c5 -C extra-filename=-61d66f16f7b9f0c5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-e430c1e4f2370cd7.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f1ca410388ec357f.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-68c90aab28ead8ea.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-e88e448407a1931d.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-6265ea3e231c833a.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-175e66c45d4a5d23.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-3304033ecaf15dcf.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-6d659454b7a7cb3c.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-f9d0c6fcb262d425.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-d3b3c61cde12afbc.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-c335447ec3cfce79.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-d5da5f593cc7ab02.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-3e5ab439e6b063ca.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-cc023b0304a87e14.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-cbcf0797f466a12c.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-d4edd22523d7b9ae.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-96845733d3620bb6.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-7219d35934290094.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" "055c1fd732d4904919db805c9f05e694e3d32c9ec4f3e6bb76d8765b4a2b7b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055c1fd732d4904919db805c9f05e694e3d32c9ec4f3e6bb76d8765b4a2b7b03", kill_on_drop: false }`
[INFO] [stdout] 055c1fd732d4904919db805c9f05e694e3d32c9ec4f3e6bb76d8765b4a2b7b03