[INFO] fetching crate quickmd 0.3.0...
[INFO] testing quickmd-0.3.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate quickmd 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate quickmd 0.3.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate quickmd 0.3.0
[INFO] finished tweaking crates.io crate quickmd 0.3.0
[INFO] tweaked toml for crates.io crate quickmd 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate quickmd 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded javascriptcore-rs v0.7.0
[INFO] [stderr]   Downloaded webkit2gtk-sys v0.9.0
[INFO] [stderr]   Downloaded soup-sys v0.8.0
[INFO] [stderr]   Downloaded webkit2gtk v0.7.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43f174bba2901de46b15352ed5da695bf89f46e452a4ef65e25f4b6cf68b62f2
[INFO] running `"docker" "start" "-a" "43f174bba2901de46b15352ed5da695bf89f46e452a4ef65e25f4b6cf68b62f2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling gdk v0.10.0
[INFO] [stderr]    Compiling gtk v0.6.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling pulldown-cmark v0.7.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling gdk-sys v0.8.0
[INFO] [stderr]    Compiling gtk-sys v0.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling soup-sys v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling webkit2gtk-sys v0.9.0
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling javascriptcore-rs-sys v0.2.0
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling inotify v0.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling pathbuftools v0.1.2
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling gio-sys v0.8.0
[INFO] [stderr]    Compiling glib v0.7.1
[INFO] [stderr]    Compiling pango-sys v0.8.0
[INFO] [stderr]    Compiling atk-sys v0.8.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.8.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling gio v0.6.0
[INFO] [stderr]    Compiling cairo-rs v0.6.0
[INFO] [stderr]    Compiling pango v0.6.0
[INFO] [stderr]    Compiling atk v0.6.0
[INFO] [stderr]    Compiling javascriptcore-rs v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]    Compiling structopt v0.3.11
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling gdk-pixbuf v0.6.0
[INFO] [stderr]    Compiling webkit2gtk v0.7.0
[INFO] [stderr] error: could not compile `webkit2gtk`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name webkit2gtk /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/webkit2gtk-0.7.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=97a63f49b148bbfd -C extra-filename=-97a63f49b148bbfd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-a637fa8d282392d5.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-936f5dbefd98a121.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-67bd837ad1aea6a4.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-2c731b44877b105a.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-65b57713053214ea.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-0a19a64589590767.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-4c184e330db0fab2.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-d2d4650e38920b7b.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-405983da28f81727.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-02cc0401fce40cce.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-8c730e696da900ec.rmeta --extern javascriptcore=/opt/rustwide/target/debug/deps/libjavascriptcore-f60713a92eb66573.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-144dd5fd09fc18d4.rmeta --extern webkit2gtk_sys=/opt/rustwide/target/debug/deps/libwebkit2gtk_sys-714bdbe64c86fd6d.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "43f174bba2901de46b15352ed5da695bf89f46e452a4ef65e25f4b6cf68b62f2"`
[INFO] running `"docker" "rm" "-f" "43f174bba2901de46b15352ed5da695bf89f46e452a4ef65e25f4b6cf68b62f2"`
[INFO] [stdout] 43f174bba2901de46b15352ed5da695bf89f46e452a4ef65e25f4b6cf68b62f2