[INFO] fetching crate webkit2gtk 0.10.0...
[INFO] testing webkit2gtk-0.10.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate webkit2gtk 0.10.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate webkit2gtk 0.10.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webkit2gtk 0.10.0
[INFO] finished tweaking crates.io crate webkit2gtk 0.10.0
[INFO] tweaked toml for crates.io crate webkit2gtk 0.10.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate webkit2gtk 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 62b95b99ab716c706bfb9f9acd9cb04bcde52ad5e8c12c8014aac27689662353
[INFO] running `Command { std: "docker" "start" "-a" "62b95b99ab716c706bfb9f9acd9cb04bcde52ad5e8c12c8014aac27689662353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b95b99ab716c706bfb9f9acd9cb04bcde52ad5e8c12c8014aac27689662353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b95b99ab716c706bfb9f9acd9cb04bcde52ad5e8c12c8014aac27689662353", kill_on_drop: false }`
[INFO] [stdout] 62b95b99ab716c706bfb9f9acd9cb04bcde52ad5e8c12c8014aac27689662353
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] d06eb2194ac182af31457f8fa7fa70861a3a717372deeca7a31cb7b0a48555a7
[INFO] running `Command { std: "docker" "start" "-a" "d06eb2194ac182af31457f8fa7fa70861a3a717372deeca7a31cb7b0a48555a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling gio v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling pango v0.9.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.0
[INFO] [stderr]    Compiling gtk v0.9.0
[INFO] [stderr]    Compiling webkit2gtk-sys v0.12.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling javascriptcore-rs-sys v0.2.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling glib-sys v0.10.0
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.0
[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 gdk-sys v0.10.0
[INFO] [stderr]    Compiling atk-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 v0.3.5
[INFO] [stderr]    Compiling glib v0.10.1
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling javascriptcore-rs v0.10.0
[INFO] [stderr]    Compiling webkit2gtk 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-0.9.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=b6c1e2ec9f6a95c9 -C extra-filename=-b6c1e2ec9f6a95c9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-ac86f86fbbb23ebb.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-56eca94422237621.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-e1a728d15d8a1712.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-053b184cf9ca0ed3.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-cb369a389a3cbcb3.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-015f4f71cca8ed67.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-a3c84ee395f63b3e.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-cd757ae6248263be.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-5c9e6bdc0e837f83.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-96a08d81ab73151b.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-331f9114e58b5f66.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-4aea0de74c4bbeb6.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-9c9bb5b4b513472b.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-ffccb95f9ccb35d3.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-e08560054fdd719c.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-f47bfe3107dba226.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-1f00f8137f1ad64d.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-55c342d79489fc9b.rmeta --cap-lints allow --cap-lints=forbid --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" "d06eb2194ac182af31457f8fa7fa70861a3a717372deeca7a31cb7b0a48555a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06eb2194ac182af31457f8fa7fa70861a3a717372deeca7a31cb7b0a48555a7", kill_on_drop: false }`
[INFO] [stdout] d06eb2194ac182af31457f8fa7fa70861a3a717372deeca7a31cb7b0a48555a7