[INFO] cloning repository https://github.com/gigitux/gtkwhats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gigitux/gtkwhats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgigitux%2Fgtkwhats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgigitux%2Fgtkwhats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93b3fb732c2a8582ee6d58de7903e9c7fdac87ce
[INFO] testing gigitux/gtkwhats against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgigitux%2Fgtkwhats" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gigitux/gtkwhats 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/gigitux/gtkwhats
[INFO] finished tweaking git repo https://github.com/gigitux/gtkwhats
[INFO] tweaked toml for git repo https://github.com/gigitux/gtkwhats written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/gigitux/gtkwhats 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded javascriptcore-rs v0.10.0
[INFO] [stderr]   Downloaded webkit2gtk-sys v0.13.0
[INFO] [stderr]   Downloaded libappindicator v0.5.2
[INFO] [stderr]   Downloaded libappindicator-sys v0.5.0
[INFO] [stderr]   Downloaded webkit2gtk v0.11.0
[INFO] [stderr]   Downloaded soup-sys v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3375c912dd4695534022253319d91de7612a2132854c2bb8e8e73ed15db00efd
[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" "3375c912dd4695534022253319d91de7612a2132854c2bb8e8e73ed15db00efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3375c912dd4695534022253319d91de7612a2132854c2bb8e8e73ed15db00efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3375c912dd4695534022253319d91de7612a2132854c2bb8e8e73ed15db00efd", kill_on_drop: false }`
[INFO] [stdout] 3375c912dd4695534022253319d91de7612a2132854c2bb8e8e73ed15db00efd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d2d0a35bf010197209e664fd73230ccb40648a66b33a5eaff6f21d82da6fa4e4
[INFO] running `Command { std: "docker" "start" "-a" "d2d0a35bf010197209e664fd73230ccb40648a66b33a5eaff6f21d82da6fa4e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling webkit2gtk-sys v0.13.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling javascriptcore-rs-sys v0.2.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling libappindicator-sys v0.5.0
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]    Compiling soup-sys v0.10.0
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling glib v0.10.3
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling javascriptcore-rs v0.10.0
[INFO] [stderr]    Compiling webkit2gtk v0.11.0
[INFO] [stderr]    Compiling libappindicator v0.5.2
[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-0.11.0/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="v2_10"' --cfg 'feature="v2_12"' --cfg 'feature="v2_14"' --cfg 'feature="v2_16"' --cfg 'feature="v2_2"' --cfg 'feature="v2_4"' --cfg 'feature="v2_6"' --cfg 'feature="v2_8"' -C metadata=f081a87961d1f847 -C extra-filename=-f081a87961d1f847 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-4a347f404bb3414c.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-0f59c3acc5077102.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-4b7ba35afe6a5b5c.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-92583bcd599e4ab9.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-2b2d170c4226fc8a.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-00b9bfc87e30311a.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-440052a438d377b9.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-6a8d16b6bf56faff.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-8bc265fa986bee4a.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-2cf386f3e7f6373a.rmeta --extern javascriptcore=/opt/rustwide/target/debug/deps/libjavascriptcore-6092e5710d618906.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-a05f7562caa135ac.rmeta --extern webkit2gtk_sys=/opt/rustwide/target/debug/deps/libwebkit2gtk_sys-5a4e03cac1424472.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 `Command { std: "docker" "inspect" "d2d0a35bf010197209e664fd73230ccb40648a66b33a5eaff6f21d82da6fa4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d0a35bf010197209e664fd73230ccb40648a66b33a5eaff6f21d82da6fa4e4", kill_on_drop: false }`
[INFO] [stdout] d2d0a35bf010197209e664fd73230ccb40648a66b33a5eaff6f21d82da6fa4e4