[INFO] cloning repository https://github.com/velvetops/gtk_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/velvetops/gtk_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvelvetops%2Fgtk_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvelvetops%2Fgtk_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3658e7d0a40063b8cb692b45586c7c40a5577066
[INFO] testing velvetops/gtk_practice against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvelvetops%2Fgtk_practice" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/velvetops/gtk_practice 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/velvetops/gtk_practice
[INFO] finished tweaking git repo https://github.com/velvetops/gtk_practice
[INFO] tweaked toml for git repo https://github.com/velvetops/gtk_practice written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/velvetops/gtk_practice 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gio v0.4.0
[INFO] [stderr]   Downloaded c_vec v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] [stdout] da673c0111d4e3c959e21439949daf71c71b778a2127784673560e4dcde7208c
[INFO] running `Command { std: "docker" "start" "-a" "da673c0111d4e3c959e21439949daf71c71b778a2127784673560e4dcde7208c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da673c0111d4e3c959e21439949daf71c71b778a2127784673560e4dcde7208c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da673c0111d4e3c959e21439949daf71c71b778a2127784673560e4dcde7208c", kill_on_drop: false }`
[INFO] [stdout] da673c0111d4e3c959e21439949daf71c71b778a2127784673560e4dcde7208c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 1da7326c8af99c47d3295092ab3a5ed8adb787cf013fa1cb0b7c4a2e18ecef73
[INFO] running `Command { std: "docker" "start" "-a" "1da7326c8af99c47d3295092ab3a5ed8adb787cf013fa1cb0b7c4a2e18ecef73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling gio v0.4.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.4.0
[INFO] [stderr]    Compiling cairo-rs v0.4.1
[INFO] [stderr]    Compiling c_vec v1.3.0
[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 glib v0.5.0
[INFO] [stderr]    Compiling pango v0.4.0
[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 --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="v3_10"' --cfg 'feature="v3_12"' --cfg 'feature="v3_14"' --cfg 'feature="v3_16"' --cfg 'feature="v3_6"' --cfg 'feature="v3_8"' -C metadata=09811483cb307776 -C extra-filename=-09811483cb307776 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-37db12bec5f16bd6.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-e47db0a5138ce1b7.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-4cc7e1d4322adb7a.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-dd28617f4d38fcde.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-468beedf56ad61d2.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-fab886f3d3bf1ce3.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-e4c6643b8859ace7.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-f03bf134e66d2943.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-b01e626458313524.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-b1ed9f386b3f4941.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-c371c1020af5ed81.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-de139459e0d26fff.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-3ca6aa39688b43ba.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-a0c553279ea3b621.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-279945826ce3d934.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-b9ca0cd086a67bb3.rmeta --cap-lints allow --cap-lints=warn -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1da7326c8af99c47d3295092ab3a5ed8adb787cf013fa1cb0b7c4a2e18ecef73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da7326c8af99c47d3295092ab3a5ed8adb787cf013fa1cb0b7c4a2e18ecef73", kill_on_drop: false }`
[INFO] [stdout] 1da7326c8af99c47d3295092ab3a5ed8adb787cf013fa1cb0b7c4a2e18ecef73