[INFO] updating cached repository https://github.com/xt-editor/xt-frontend-gtk3
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 6cd0ca96a7f2904f1dfe03c0ca9b9e8c44d302a1
[INFO] testing xt-editor/xt-frontend-gtk3 against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxt-editor%2Fxt-frontend-gtk3" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xt-editor/xt-frontend-gtk3 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/builds/worker-1/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 `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] efbda7b80d8d18a481fe39cdc96e3114d49c40ec2a18596037b5d5113b514816
[INFO] running `"docker" "start" "-a" "efbda7b80d8d18a481fe39cdc96e3114d49c40ec2a18596037b5d5113b514816"`
[INFO] [stderr]    Compiling gio v0.6.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.6.0
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling pango v0.6.0
[INFO] [stderr]    Compiling cairo-rs v0.6.0
[INFO] [stderr]    Compiling atk v0.6.0
[INFO] [stderr]    Compiling gdk v0.10.0
[INFO] [stderr]    Compiling gtk v0.6.0
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[INFO] [stderr]    Compiling gio-sys v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.8.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.8.0
[INFO] [stderr]    Compiling pango-sys v0.8.0
[INFO] [stderr]    Compiling atk-sys v0.8.0
[INFO] [stderr]    Compiling gdk-sys v0.8.0
[INFO] [stderr]    Compiling gtk-sys v0.8.0
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr] error: failed to run custom build command for `gtk-sys v0.8.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gtk-sys-04082869fb204e53/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] `"pkg-config" "--libs" "--cflags" "gtk+-3.0 >= 3.24"` did not exit successfully: exit code: 1
[INFO] [stderr] --- stderr
[INFO] [stderr] Requested 'gtk+-3.0 >= 3.24' but version of GTK+ is 3.22.30
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "efbda7b80d8d18a481fe39cdc96e3114d49c40ec2a18596037b5d5113b514816"`
[INFO] running `"docker" "rm" "-f" "efbda7b80d8d18a481fe39cdc96e3114d49c40ec2a18596037b5d5113b514816"`
[INFO] [stdout] efbda7b80d8d18a481fe39cdc96e3114d49c40ec2a18596037b5d5113b514816