[INFO] fetching crate quickmd 0.6.1...
[INFO] testing quickmd-0.6.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate quickmd 0.6.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate quickmd 0.6.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quickmd 0.6.1
[INFO] finished tweaking crates.io crate quickmd 0.6.1
[INFO] tweaked toml for crates.io crate quickmd 0.6.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate quickmd 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-expr v0.9.1
[INFO] [stderr]   Downloaded javascriptcore-rs-sys v0.3.3
[INFO] [stderr]   Downloaded cairo-rs v0.14.9
[INFO] [stderr]   Downloaded claim v0.4.0
[INFO] [stderr]   Downloaded javascriptcore-rs v0.15.2
[INFO] [stderr]   Downloaded webkit2gtk-sys v0.16.0
[INFO] [stderr]   Downloaded webkit2gtk v0.16.0
[INFO] [stderr]   Downloaded pathbuftools v0.1.2
[INFO] [stderr]   Downloaded cairo-sys-rs v0.14.9
[INFO] [stderr]   Downloaded soup2-sys v0.1.0
[INFO] [stderr]   Downloaded system-deps v5.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c8ce685e8e858c8280ce373a246095a471467e15f2a8be37acbc8e30989c170
[INFO] running `Command { std: "docker" "start" "-a" "5c8ce685e8e858c8280ce373a246095a471467e15f2a8be37acbc8e30989c170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c8ce685e8e858c8280ce373a246095a471467e15f2a8be37acbc8e30989c170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8ce685e8e858c8280ce373a246095a471467e15f2a8be37acbc8e30989c170", kill_on_drop: false }`
[INFO] [stdout] 5c8ce685e8e858c8280ce373a246095a471467e15f2a8be37acbc8e30989c170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ddec697638d8901d3483750bf546d4f28d386fa1783e672efae46dde9ec2d7b
[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" "8ddec697638d8901d3483750bf546d4f28d386fa1783e672efae46dde9ec2d7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling gio v0.14.8
[INFO] [stderr]    Compiling pulldown-cmark v0.9.1
[INFO] [stderr]    Compiling cfg-expr v0.8.1
[INFO] [stderr]    Compiling cfg-expr v0.9.1
[INFO] [stderr]    Compiling gtk v0.14.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling system-deps v5.0.0
[INFO] [stderr]    Compiling pathbuftools v0.1.2
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling glib-macros v0.14.1
[INFO] [stderr]    Compiling gtk3-macros v0.14.0
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling soup2-sys v0.1.0
[INFO] [stderr]    Compiling javascriptcore-rs-sys v0.3.3
[INFO] [stderr]    Compiling webkit2gtk-sys v0.16.0
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling system-deps v3.2.0
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling glib-sys v0.14.0
[INFO] [stderr]    Compiling gobject-sys v0.14.0
[INFO] [stderr]    Compiling gio-sys v0.14.0
[INFO] [stderr]    Compiling pango-sys v0.14.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.14.9
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.14.0
[INFO] [stderr]    Compiling gdk-sys v0.14.0
[INFO] [stderr]    Compiling atk-sys v0.14.0
[INFO] [stderr]    Compiling gtk-sys v0.14.0
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling glib v0.10.3
[INFO] [stderr]    Compiling glib v0.14.8
[INFO] [stderr]    Compiling pango v0.14.8
[INFO] [stderr]    Compiling cairo-rs v0.14.9
[INFO] [stderr]    Compiling atk v0.14.0
[INFO] [stderr]    Compiling javascriptcore-rs v0.15.2
[INFO] [stderr]    Compiling gdk-pixbuf v0.14.0
[INFO] [stderr]    Compiling gdk v0.14.3
[INFO] [stderr]    Compiling webkit2gtk v0.16.0
[INFO] [stderr] error: could not compile `gtk`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gtk --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gtk-0.14.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="v3_20"' -C metadata=f560eae510f9157c -C extra-filename=-f560eae510f9157c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-bedaf1dfaa77ca21.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f1ca410388ec357f.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-cdc441cb04fa347e.rmeta --extern field_offset=/opt/rustwide/target/debug/deps/libfield_offset-536f0dc1fcf85b25.rmeta --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-f76fa1c5ea40f1f4.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-189e6362a54d7e2c.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-794f16a5735526ae.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-7aa89dc230a46e67.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-79f525443b947f74.rmeta --extern ffi=/opt/rustwide/target/debug/deps/libgtk_sys-17374c52b45c7046.rmeta --extern gtk3_macros=/opt/rustwide/target/debug/deps/libgtk3_macros-beee5ba2b461b6c7.so --extern libc=/opt/rustwide/target/debug/deps/liblibc-72f4dee3ca7a3839.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-c0a71338b09fde83.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-8e4dfa34506b815f.rmeta --cap-lints allow --cap-lints=warn --cfg 'gdk_backend="x11"' --cfg 'gdk_backend="broadway"' --cfg 'gdk_backend="wayland"'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8ddec697638d8901d3483750bf546d4f28d386fa1783e672efae46dde9ec2d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ddec697638d8901d3483750bf546d4f28d386fa1783e672efae46dde9ec2d7b", kill_on_drop: false }`
[INFO] [stdout] 8ddec697638d8901d3483750bf546d4f28d386fa1783e672efae46dde9ec2d7b