[INFO] cloning repository https://github.com/xt-editor/xt-frontend-gtk3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xt-editor/xt-frontend-gtk3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxt-editor%2Fxt-frontend-gtk3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxt-editor%2Fxt-frontend-gtk3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b904c6d61ab73ac401ab433f3ef2b57ec32658bf
[INFO] testing xt-editor/xt-frontend-gtk3 against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxt-editor%2Fxt-frontend-gtk3" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xt-editor/xt-frontend-gtk3 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 git repo https://github.com/xt-editor/xt-frontend-gtk3
[INFO] finished tweaking git repo https://github.com/xt-editor/xt-frontend-gtk3
[INFO] tweaked toml for git repo https://github.com/xt-editor/xt-frontend-gtk3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/xt-editor/xt-frontend-gtk3 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8ea7afbb7f632bead1fcf6d3a7f18631ab71a58bb6d695a98e1b95d2f8f9df3d
[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" "8ea7afbb7f632bead1fcf6d3a7f18631ab71a58bb6d695a98e1b95d2f8f9df3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ea7afbb7f632bead1fcf6d3a7f18631ab71a58bb6d695a98e1b95d2f8f9df3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea7afbb7f632bead1fcf6d3a7f18631ab71a58bb6d695a98e1b95d2f8f9df3d", kill_on_drop: false }`
[INFO] [stdout] 8ea7afbb7f632bead1fcf6d3a7f18631ab71a58bb6d695a98e1b95d2f8f9df3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1b480d43394d4e6023d6cbb7529e4ac264ac05b386540219b965043d16adea35
[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" "1b480d43394d4e6023d6cbb7529e4ac264ac05b386540219b965043d16adea35", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.3
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling pin-project v1.0.3
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling futures-util v0.3.8
[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 cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling pango-sys 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 futures-executor v0.3.8
[INFO] [stderr]    Compiling glib v0.10.3
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling xt-frontend-gtk v0.1.0 (/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 --cfg 'feature="v3_16"' --cfg 'feature="v3_18"' --cfg 'feature="v3_20"' --cfg 'feature="v3_22"' --cfg 'feature="v3_22_20"' --cfg 'feature="v3_22_26"' --cfg 'feature="v3_22_27"' --cfg 'feature="v3_22_29"' --cfg 'feature="v3_22_30"' --cfg 'feature="v3_24"' -C metadata=f99934a07e729feb -C extra-filename=-f99934a07e729feb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-a4d1663fbcd7f369.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-68863b1a3392644b.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-a5f3042933562a9d.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-5382132774e01b09.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-9a1ded7f83505a1b.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-608d50722921226c.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-a8769ad96a9d5e4d.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-964696d275c4750d.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-55f0b75b0893644e.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-8b100d759cde524b.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-4e64856c38284c5c.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-cd8bcc3e18ee0f56.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-c5f8ceaf128b0543.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-7a403d39e39332bd.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-dc85fb7e1f85098c.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-1489a3dfc14ad947.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-6ece611aac494e2b.rmeta --cap-lints allow --cap-lints=warn --cfg 'gdk_backend="x11"' --cfg 'gdk_backend="broadway"' --cfg 'gdk_backend="wayland"'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1b480d43394d4e6023d6cbb7529e4ac264ac05b386540219b965043d16adea35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b480d43394d4e6023d6cbb7529e4ac264ac05b386540219b965043d16adea35", kill_on_drop: false }`
[INFO] [stdout] 1b480d43394d4e6023d6cbb7529e4ac264ac05b386540219b965043d16adea35