[INFO] updating cached repository https://github.com/mxj4/typeholder
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08b588d63243f4720916d09f79b8f7a8bd556774
[INFO] testing mxj4/typeholder against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxj4%2Ftypeholder" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mxj4/typeholder on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mxj4/typeholder
[INFO] finished tweaking git repo https://github.com/mxj4/typeholder
[INFO] tweaked toml for git repo https://github.com/mxj4/typeholder written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mxj4/typeholder already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8d766ec804b0c7c5e0771490ae3774be758d1692c0a704a759b7cabc915adef
[INFO] running `"docker" "start" "-a" "f8d766ec804b0c7c5e0771490ae3774be758d1692c0a704a759b7cabc915adef"`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.3 (https://github.com/gtk-rs/gdk-pixbuf#cc1c9ab4)
[INFO] [stderr]    Compiling gio v0.1.3 (https://github.com/gtk-rs/gio#2b2b061b)
[INFO] [stderr]    Compiling cairo-rs v0.1.3 (https://github.com/gtk-rs/cairo#94c84e60)
[INFO] [stderr]    Compiling gdk v0.5.3 (https://github.com/gtk-rs/gdk#cdb612c7)
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling gtk v0.1.3 (https://github.com/gtk-rs/gtk#6f83f435)
[INFO] [stderr]    Compiling peresil v0.3.0
[INFO] [stderr]    Compiling typed-arena v1.3.0
[INFO] [stderr]    Compiling gettext-rs v0.3.0
[INFO] [stderr]    Compiling glib-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling gobject-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling gio-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.4 (https://github.com/gtk-rs/cairo#94c84e60)
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling pango-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling gdk-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling atk-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling gtk-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling itertools v0.6.1
[INFO] [stderr]    Compiling sxd-document v0.2.3
[INFO] [stderr]    Compiling typeholder v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> build.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling glib v0.1.3 (https://github.com/gtk-rs/glib#dc304963)
[INFO] [stderr]    Compiling pango v0.1.3 (https://github.com/gtk-rs/pango#df1ed704)
[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/git/checkouts/gtk-b89af3a825b1a0bb/6f83f43/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="v3_10"' --cfg 'feature="v3_12"' --cfg 'feature="v3_14"' --cfg 'feature="v3_6"' --cfg 'feature="v3_8"' -C metadata=426b44928c58f055 -C extra-filename=-426b44928c58f055 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-1b60fd1bab4fdb80.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-906529e85b62380b.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-74fdc425854bb563.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-3b63eaa82178448a.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-17eb0577b4cd3eb9.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-4c9f7d1fc9029694.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-9b946e6b4c0512c4.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-2572a6f93f84cfdb.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-c1faf4b4841bf621.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-a0dfa9462076ac05.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-e366337c463ade9d.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-c9d6554758467137.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-338ac45d26b1ceab.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-98301054631760b0.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-95dc1e9383cbe29c.rmeta --cap-lints allow --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "f8d766ec804b0c7c5e0771490ae3774be758d1692c0a704a759b7cabc915adef"`
[INFO] running `"docker" "rm" "-f" "f8d766ec804b0c7c5e0771490ae3774be758d1692c0a704a759b7cabc915adef"`
[INFO] [stdout] f8d766ec804b0c7c5e0771490ae3774be758d1692c0a704a759b7cabc915adef