[INFO] fetching crate webkit2gtk-webextension 0.9.0...
[INFO] testing webkit2gtk-webextension-0.9.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate webkit2gtk-webextension 0.9.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate webkit2gtk-webextension 0.9.0 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 webkit2gtk-webextension 0.9.0
[INFO] finished tweaking crates.io crate webkit2gtk-webextension 0.9.0
[INFO] tweaked toml for crates.io crate webkit2gtk-webextension 0.9.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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] a83abfdc465098449347f08b04d76a772cd0b72bf6fd57047de9fb01b298381d
[INFO] running `"docker" "start" "-a" "a83abfdc465098449347f08b04d76a772cd0b72bf6fd57047de9fb01b298381d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling soup-sys v0.9.0
[INFO] [stderr]    Compiling webkit2gtk-webextension-sys v0.8.0
[INFO] [stderr]    Compiling javascriptcore-rs-sys v0.1.2
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling glib v0.9.3
[INFO] [stderr]    Compiling webkit2gtk-webextension v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `webkit2gtk-webextension`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name webkit2gtk_webextension src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=bcaa5dee6fbe1aee -C extra-filename=-bcaa5dee6fbe1aee --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern glib=/opt/rustwide/target/debug/deps/libglib-b2520471f2117429.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-697c2dc67d6ee720.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-fc605a9dde0d1148.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-d676bc01863cf544.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-2e17c5c99334ee98.rmeta --extern webkit2gtk_webextension_sys=/opt/rustwide/target/debug/deps/libwebkit2gtk_webextension_sys-be7636ea3a6443bf.rmeta --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" "a83abfdc465098449347f08b04d76a772cd0b72bf6fd57047de9fb01b298381d"`
[INFO] running `"docker" "rm" "-f" "a83abfdc465098449347f08b04d76a772cd0b72bf6fd57047de9fb01b298381d"`
[INFO] [stdout] a83abfdc465098449347f08b04d76a772cd0b72bf6fd57047de9fb01b298381d