[INFO] crate webkit2gtk-webextension 0.7.0 is already in cache
[INFO] extracting crate webkit2gtk-webextension 0.7.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/webkit2gtk-webextension/0.7.0
[INFO] extracting crate webkit2gtk-webextension 0.7.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/webkit2gtk-webextension/0.7.0
[INFO] validating manifest of webkit2gtk-webextension-0.7.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of webkit2gtk-webextension-0.7.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing webkit2gtk-webextension-0.7.0
[INFO] finished frobbing webkit2gtk-webextension-0.7.0
[INFO] frobbed toml for webkit2gtk-webextension-0.7.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/webkit2gtk-webextension/0.7.0/Cargo.toml
[INFO] started frobbing webkit2gtk-webextension-0.7.0
[INFO] finished frobbing webkit2gtk-webextension-0.7.0
[INFO] frobbed toml for webkit2gtk-webextension-0.7.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/webkit2gtk-webextension/0.7.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing webkit2gtk-webextension-0.7.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/webkit2gtk-webextension/0.7.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 003ef322ce7028b6abdcbdd6b4ac037f4d3c3c58e3a971888a153546fd7dd77e
[INFO] running `"docker" "start" "-a" "003ef322ce7028b6abdcbdd6b4ac037f4d3c3c58e3a971888a153546fd7dd77e"`
[INFO] [stderr]    Compiling gio v0.5.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[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 glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gio-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-pixbuf-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 soup-sys v0.7.0
[INFO] [stderr]    Compiling webkit2gtk-webextension-sys v0.6.0
[INFO] [stderr]    Compiling javascriptcore-rs-sys v0.1.2
[INFO] [stderr]    Compiling glib v0.6.1
[INFO] [stderr]    Compiling pango v0.5.0
[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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gtk-0.5.0/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=0df3842093e1f61d -C extra-filename=-0df3842093e1f61d --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern bitflags=/opt/crater/target/debug/deps/libbitflags-bcd34e8f74846360.rlib --extern cairo=/opt/crater/target/debug/deps/libcairo-142496ad4b053315.rlib --extern cairo_sys=/opt/crater/target/debug/deps/libcairo_sys-6db99dc84460c1e7.rlib --extern gdk=/opt/crater/target/debug/deps/libgdk-1de2cd117fa485b4.rlib --extern gdk_pixbuf=/opt/crater/target/debug/deps/libgdk_pixbuf-eeee0de0f92ddb71.rlib --extern gdk_pixbuf_sys=/opt/crater/target/debug/deps/libgdk_pixbuf_sys-b743905be6b28cb3.rlib --extern gdk_sys=/opt/crater/target/debug/deps/libgdk_sys-8bc0e143afcd9bbe.rlib --extern gio=/opt/crater/target/debug/deps/libgio-30ca0ee2eba5f441.rlib --extern gio_sys=/opt/crater/target/debug/deps/libgio_sys-d51e68fb711cce51.rlib --extern glib=/opt/crater/target/debug/deps/libglib-4614d745413ca42c.rlib --extern glib_sys=/opt/crater/target/debug/deps/libglib_sys-349b7f68282b3f73.rlib --extern gobject_sys=/opt/crater/target/debug/deps/libgobject_sys-b4b3cc9dca342aa0.rlib --extern gtk_sys=/opt/crater/target/debug/deps/libgtk_sys-8acfe8f61882ea8a.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib --extern libc=/opt/crater/target/debug/deps/liblibc-d019039477cac03b.rlib --extern pango=/opt/crater/target/debug/deps/libpango-58c82be32f690816.rlib --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "003ef322ce7028b6abdcbdd6b4ac037f4d3c3c58e3a971888a153546fd7dd77e"`
[INFO] running `"docker" "rm" "-f" "003ef322ce7028b6abdcbdd6b4ac037f4d3c3c58e3a971888a153546fd7dd77e"`
[INFO] [stdout] 003ef322ce7028b6abdcbdd6b4ac037f4d3c3c58e3a971888a153546fd7dd77e