[INFO] updating cached repository https://github.com/thefzsalam/gtk-rs-list-box-model
[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] 5544164a441c083c96c26a78db0d1b03cfdf2b60
[INFO] testing thefzsalam/gtk-rs-list-box-model against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthefzsalam%2Fgtk-rs-list-box-model" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thefzsalam/gtk-rs-list-box-model on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/thefzsalam/gtk-rs-list-box-model
[INFO] finished tweaking git repo https://github.com/thefzsalam/gtk-rs-list-box-model
[INFO] tweaked toml for git repo https://github.com/thefzsalam/gtk-rs-list-box-model written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/thefzsalam/gtk-rs-list-box-model already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] bf83be2f8280a9f55ef1ffffb5ad3c0a0fa3cc14ea4e552064523f91cd636b4e
[INFO] running `"docker" "start" "-a" "bf83be2f8280a9f55ef1ffffb5ad3c0a0fa3cc14ea4e552064523f91cd636b4e"`
[INFO] [stderr]    Compiling gio v0.4.1
[INFO] [stderr]    Compiling c_vec v1.3.3
[INFO] [stderr]    Compiling gdk v0.8.0
[INFO] [stderr]    Compiling gtk v0.4.1
[INFO] [stderr]    Compiling glib-sys v0.6.0
[INFO] [stderr]    Compiling gobject-sys v0.6.0
[INFO] [stderr]    Compiling gio-sys v0.6.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.6.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.6.0
[INFO] [stderr]    Compiling pango-sys v0.6.0
[INFO] [stderr]    Compiling gdk-sys v0.6.0
[INFO] [stderr]    Compiling atk-sys v0.6.0
[INFO] [stderr]    Compiling gtk-sys v0.6.0
[INFO] [stderr]    Compiling cairo-rs v0.4.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.4.0
[INFO] [stderr]    Compiling glib v0.5.0
[INFO] [stderr]    Compiling pango v0.4.0
[INFO] [stderr]    Compiling gtk-rs-list-box-model v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `RefCountTestDouble`
[INFO] [stderr]  --> src/test_helpers.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct RefCountTestDouble {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[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-0.4.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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_16"' --cfg 'feature="v3_18"' --cfg 'feature="v3_20"' --cfg 'feature="v3_22"' --cfg 'feature="v3_6"' --cfg 'feature="v3_8"' -C metadata=f5a7096d75a93460 -C extra-filename=-f5a7096d75a93460 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-4a7b4cf8fbd4dcc3.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-40eb3cde16477fe7.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-71fa47ca9f8b8b19.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-312c27307b2cb16a.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-644612e89863838b.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-042edae4b1a68e44.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-e486773b6b97eca8.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-21b99fbc5162839f.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-8abdf31263bfa351.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-dabd54d3aeb82d80.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-2ae97b60f22f19db.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-ba51451f01b2980d.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-a9a598c24240319a.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-83cafc2ae303332c.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-a3b13f6b27abcc70.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-852fac90f23e4c19.rmeta --cap-lints allow --cap-lints=warn -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "bf83be2f8280a9f55ef1ffffb5ad3c0a0fa3cc14ea4e552064523f91cd636b4e"`
[INFO] running `"docker" "rm" "-f" "bf83be2f8280a9f55ef1ffffb5ad3c0a0fa3cc14ea4e552064523f91cd636b4e"`
[INFO] [stdout] bf83be2f8280a9f55ef1ffffb5ad3c0a0fa3cc14ea4e552064523f91cd636b4e