[INFO] cloning repository https://github.com/Gonzih/screensaver-off.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gonzih/screensaver-off.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGonzih%2Fscreensaver-off.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGonzih%2Fscreensaver-off.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c276f4cdbca2b41eb6db17495b6f1fac5f6fbf45
[INFO] testing Gonzih/screensaver-off.rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGonzih%2Fscreensaver-off.rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gonzih/screensaver-off.rs on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gonzih/screensaver-off.rs
[INFO] finished tweaking git repo https://github.com/Gonzih/screensaver-off.rs
[INFO] tweaked toml for git repo https://github.com/Gonzih/screensaver-off.rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Gonzih/screensaver-off.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 212b076a198003ae56e9b6c1224ad5bb4d8a29b26de56727615f64dda64e569f
[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" "212b076a198003ae56e9b6c1224ad5bb4d8a29b26de56727615f64dda64e569f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "212b076a198003ae56e9b6c1224ad5bb4d8a29b26de56727615f64dda64e569f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212b076a198003ae56e9b6c1224ad5bb4d8a29b26de56727615f64dda64e569f", kill_on_drop: false }`
[INFO] [stdout] 212b076a198003ae56e9b6c1224ad5bb4d8a29b26de56727615f64dda64e569f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eef2fe78a117b8faf8a913915c8a253e8e27cf6dd459cecdc55fdc894213fa2
[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" "4eef2fe78a117b8faf8a913915c8a253e8e27cf6dd459cecdc55fdc894213fa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling gio v0.5.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]    Compiling sysinfo v0.15.3
[INFO] [stderr]    Compiling once_cell v1.2.0
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gio-sys v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.7.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]    Compiling pango-sys v0.7.0
[INFO] [stderr]    Compiling gdk-sys v0.7.0
[INFO] [stderr]    Compiling atk-sys v0.7.0
[INFO] [stderr]    Compiling gtk-sys v0.7.0
[INFO] [stderr]    Compiling thread_local v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling glib v0.6.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling pango v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling femme v2.1.1
[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-0.5.0/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=fc5cc9a20fe38061 -C extra-filename=-fc5cc9a20fe38061 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-b09835e188491adc.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-8ae854f2c1ab8592.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-88074cffa382b390.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-f436132433c3d053.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-1e0e2daddce67274.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-1a8ef54b489df062.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-78d9d26eaa5d0342.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-cfdfee5bca2434be.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-c1025134125675b5.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-e2ab150e37148454.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-099e58e5c10ae927.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-406a353ffb517df7.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-a1caab904c829c2b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-4ccbe9d570ae61ca.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-4b6577e243d0c612.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-709e9bb5f510e2e9.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4eef2fe78a117b8faf8a913915c8a253e8e27cf6dd459cecdc55fdc894213fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eef2fe78a117b8faf8a913915c8a253e8e27cf6dd459cecdc55fdc894213fa2", kill_on_drop: false }`
[INFO] [stdout] 4eef2fe78a117b8faf8a913915c8a253e8e27cf6dd459cecdc55fdc894213fa2