[INFO] cloning repository https://github.com/blakeridgway/flightcontrol-interface
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blakeridgway/flightcontrol-interface" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakeridgway%2Fflightcontrol-interface", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakeridgway%2Fflightcontrol-interface'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ed61ca5919c3ca15d0ea939ae98948807618880
[INFO] testing blakeridgway/flightcontrol-interface against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakeridgway%2Fflightcontrol-interface" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blakeridgway/flightcontrol-interface on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blakeridgway/flightcontrol-interface
[INFO] finished tweaking git repo https://github.com/blakeridgway/flightcontrol-interface
[INFO] tweaked toml for git repo https://github.com/blakeridgway/flightcontrol-interface written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/blakeridgway/flightcontrol-interface already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gtk.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/atk`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/cairo`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gdk`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gdk-pixbuf`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/sys`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gio`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/glib`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/pango`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f010344795494e613371bfa2ef72b55dc06bd9230862fe1ea7efb0895509985
[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" "7f010344795494e613371bfa2ef72b55dc06bd9230862fe1ea7efb0895509985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f010344795494e613371bfa2ef72b55dc06bd9230862fe1ea7efb0895509985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f010344795494e613371bfa2ef72b55dc06bd9230862fe1ea7efb0895509985", kill_on_drop: false }`
[INFO] [stdout] 7f010344795494e613371bfa2ef72b55dc06bd9230862fe1ea7efb0895509985
[INFO] running `Command { std: "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" "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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74d7b632372919ac954c70d39f80348266715ab62ab7670645cb14e9d4b5f9f3
[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" "74d7b632372919ac954c70d39f80348266715ab62ab7670645cb14e9d4b5f9f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling gio v0.9.0 (https://github.com/gtk-rs/gio#6c15125b)
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0 (https://github.com/gtk-rs/gdk-pixbuf#5ecc831f)
[INFO] [stderr]    Compiling pango v0.9.0 (https://github.com/gtk-rs/pango#a9fdf547)
[INFO] [stderr]    Compiling cairo-rs v0.9.0 (https://github.com/gtk-rs/cairo#7455304b)
[INFO] [stderr]    Compiling atk v0.9.0 (https://github.com/gtk-rs/atk#6d4d8c97)
[INFO] [stderr]    Compiling gdk v0.13.0 (https://github.com/gtk-rs/gdk#2a8f17dc)
[INFO] [stderr]    Compiling gtk v0.9.0 (https://github.com/gtk-rs/gtk.git#59c38003)
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling glib-macros v0.10.0 (https://github.com/gtk-rs/glib#f53054c8)
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling glib-sys v0.10.0 (https://github.com/gtk-rs/sys#5f35e26c)
[INFO] [stderr]    Compiling gobject-sys v0.10.0 (https://github.com/gtk-rs/sys#5f35e26c)
[INFO] [stderr]    Compiling gio-sys v0.10.0 (https://github.com/gtk-rs/sys#5f35e26c)
[INFO] [stderr]    Compiling pango-sys v0.10.0 (https://github.com/gtk-rs/sys#5f35e26c)
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0 (https://github.com/gtk-rs/cairo#7455304b)
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0 (https://github.com/gtk-rs/sys#5f35e26c)
[INFO] [stderr]    Compiling gdk-sys v0.10.0 (https://github.com/gtk-rs/sys#5f35e26c)
[INFO] [stderr]    Compiling atk-sys v0.10.0 (https://github.com/gtk-rs/sys#5f35e26c)
[INFO] [stderr]    Compiling gtk-sys v0.10.0 (https://github.com/gtk-rs/sys#5f35e26c)
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling glib v0.10.0 (https://github.com/gtk-rs/glib#f53054c8)
[INFO] [stderr]    Compiling futures v0.3.15
[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/59c3800/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=b54551fd94939353 -C extra-filename=-b54551fd94939353 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-18358ad49c5d35ae.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6063cd2c96572b53.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-f8dbb1dee7a06e6c.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-fc08b6993e807bf4.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-52e0042416af97cf.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-461bef093ad8caf9.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-e89caeabfead1141.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-7afc56883df0e486.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-c5d3efbba30679c2.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-08849fc03e169607.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-c528de5e6f09bdf4.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-016d6dde82e2a961.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-9470397b750df49a.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-6e59d19157d3a634.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-4f61527b72afcfa9.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-05a60f3c03734a45.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-16cebfb0d1733a7e.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-060d1930cda75f75.rmeta --cap-lints allow --cap-lints=warn --cfg 'gdk_backend="x11"' --cfg 'gdk_backend="broadway"' --cfg 'gdk_backend="wayland"' -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "74d7b632372919ac954c70d39f80348266715ab62ab7670645cb14e9d4b5f9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d7b632372919ac954c70d39f80348266715ab62ab7670645cb14e9d4b5f9f3", kill_on_drop: false }`
[INFO] [stdout] 74d7b632372919ac954c70d39f80348266715ab62ab7670645cb14e9d4b5f9f3