[INFO] cloning repository https://github.com/geovex/cross-gui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geovex/cross-gui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeovex%2Fcross-gui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeovex%2Fcross-gui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c508615e0e524b60a2f211b7c4c1ca5fd36b107
[INFO] testing geovex/cross-gui against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeovex%2Fcross-gui" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/geovex/cross-gui on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/geovex/cross-gui
[INFO] finished tweaking git repo https://github.com/geovex/cross-gui
[INFO] tweaked toml for git repo https://github.com/geovex/cross-gui written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/geovex/cross-gui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "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] dffcbde7a81a3edb7cd61aec30616df6298c7c1bb8378d36924a0f291abccdf5
[INFO] running `Command { std: "docker" "start" "-a" "dffcbde7a81a3edb7cd61aec30616df6298c7c1bb8378d36924a0f291abccdf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dffcbde7a81a3edb7cd61aec30616df6298c7c1bb8378d36924a0f291abccdf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dffcbde7a81a3edb7cd61aec30616df6298c7c1bb8378d36924a0f291abccdf5", kill_on_drop: false }`
[INFO] [stdout] dffcbde7a81a3edb7cd61aec30616df6298c7c1bb8378d36924a0f291abccdf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7730bc44793de183c61a71e5c5e5688be3168d3b1999d00b19f0256246438206
[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" "7730bc44793de183c61a71e5c5e5688be3168d3b1999d00b19f0256246438206", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling cross-gui-derive v0.1.0 (/opt/rustwide/workdir/cross-gui-derive)
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling glib v0.9.3
[INFO] [stderr]    Compiling cross-gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FixedExt`
[INFO] [stdout]  --> src/pal/unix/button.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use gtk::{ButtonExt, FixedExt, WidgetExt};
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FixedExt`
[INFO] [stdout]  --> src/pal/unix/label.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use gtk::{ContainerExt, WidgetExt, FixedExt, LabelExt, Align, Orientation};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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-0.8.1/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=9c0ff041d4871309 -C extra-filename=-9c0ff041d4871309 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-cad0383c8e419c9f.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-7a6c37613158eced.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-4d1d54e0328adb9e.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-319038fa3baeefc9.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-62cb0ced6c45d6e0.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-6f8bda60e59ec5b4.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-fe7b8c3f074ab535.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-eed6666e0eaf6149.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-8440f82622783308.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-cdcd8e17664e26bd.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-b8fec226184c77ea.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-2cdfbc2a884c4801.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-2fae67883d47bf8f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-311e0d28c6d1dcc9.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-ebb19ec253012d72.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-f2fc415992a9b61d.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7730bc44793de183c61a71e5c5e5688be3168d3b1999d00b19f0256246438206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7730bc44793de183c61a71e5c5e5688be3168d3b1999d00b19f0256246438206", kill_on_drop: false }`
[INFO] [stdout] 7730bc44793de183c61a71e5c5e5688be3168d3b1999d00b19f0256246438206