[INFO] fetching crate webkit2gtk 0.14.0...
[INFO] testing webkit2gtk-0.14.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate webkit2gtk 0.14.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate webkit2gtk 0.14.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webkit2gtk 0.14.0
[INFO] finished tweaking crates.io crate webkit2gtk 0.14.0
[INFO] tweaked toml for crates.io crate webkit2gtk 0.14.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate webkit2gtk 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 706af7a4cad2b1e5f75463680008b6ec3ac1958102c4137737d60d350461a8ce
[INFO] running `Command { std: "docker" "start" "-a" "706af7a4cad2b1e5f75463680008b6ec3ac1958102c4137737d60d350461a8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "706af7a4cad2b1e5f75463680008b6ec3ac1958102c4137737d60d350461a8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706af7a4cad2b1e5f75463680008b6ec3ac1958102c4137737d60d350461a8ce", kill_on_drop: false }`
[INFO] [stdout] 706af7a4cad2b1e5f75463680008b6ec3ac1958102c4137737d60d350461a8ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da879a642208e216bba0079e2a1fef84ca7b50cad3ffa13627b2d6d4ee65baab
[INFO] running `Command { std: "docker" "start" "-a" "da879a642208e216bba0079e2a1fef84ca7b50cad3ffa13627b2d6d4ee65baab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling futures-core v0.3.7
[INFO] [stderr]    Compiling gio v0.14.0
[INFO] [stderr]    Compiling futures-io v0.3.7
[INFO] [stderr]    Compiling cfg-expr v0.7.4
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-task v0.3.7
[INFO] [stderr]    Compiling gtk v0.14.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling futures-channel v0.3.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling javascriptcore-rs-sys v0.2.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling system-deps v3.1.2
[INFO] [stderr]    Compiling pin-project v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.7
[INFO] [stderr]    Compiling glib-macros v0.14.0
[INFO] [stderr]    Compiling gtk3-macros v0.14.0
[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 soup-sys v0.10.0
[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 v0.14.0
[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 webkit2gtk-sys v0.14.0
[INFO] [stderr]    Compiling futures-executor v0.3.7
[INFO] [stderr]    Compiling glib v0.14.0
[INFO] [stderr]    Compiling pango v0.14.0
[INFO] [stderr]    Compiling cairo-rs v0.14.0
[INFO] [stderr]    Compiling atk v0.14.0
[INFO] [stderr]    Compiling javascriptcore-rs v0.14.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.14.0
[INFO] [stderr]    Compiling gdk v0.14.0
[INFO] [stderr]    Compiling webkit2gtk v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `glib::StaticType`
[INFO] [stdout]   --> src/auto/download.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use glib::StaticType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glib::object::Cast`
[INFO] [stdout]  --> src/auto/hit_test_result.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use glib::object::Cast;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glib::StaticType`
[INFO] [stdout]  --> src/auto/hit_test_result.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use glib::StaticType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glib::StaticType`
[INFO] [stdout]   --> src/auto/settings.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use glib::StaticType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glib::StaticType`
[INFO] [stdout]   --> src/auto/uri_request.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use glib::StaticType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glib::StaticType`
[INFO] [stdout]   --> src/auto/web_context.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use glib::StaticType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glib::object::Cast`
[INFO] [stdout]  --> src/auto/window_properties.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use glib::object::Cast;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glib::StaticType`
[INFO] [stdout]  --> src/auto/window_properties.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use glib::StaticType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/auto/download.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/auto/web_context.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[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-0.14.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=42cbe7c0837de1a1 -C extra-filename=-42cbe7c0837de1a1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-b6060cc72342b42e.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f89ae4b715176e2d.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-8dcc756bc0cc94a5.rmeta --extern field_offset=/opt/rustwide/target/debug/deps/libfield_offset-b32dece077bdac92.rmeta --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-750ba03a60bc22bd.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-062dec1d10098926.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-c1d53276d83f7597.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-d75fd54696a8442a.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-a072ccebf0e13700.rmeta --extern ffi=/opt/rustwide/target/debug/deps/libgtk_sys-92a818623d19c383.rmeta --extern gtk3_macros=/opt/rustwide/target/debug/deps/libgtk3_macros-0e0f5e11cc22db4e.so --extern libc=/opt/rustwide/target/debug/deps/liblibc-21f1f63d3b3c1b06.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-a76c90beb999d50a.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-95b8a5c95bcb84e0.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] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "da879a642208e216bba0079e2a1fef84ca7b50cad3ffa13627b2d6d4ee65baab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da879a642208e216bba0079e2a1fef84ca7b50cad3ffa13627b2d6d4ee65baab", kill_on_drop: false }`
[INFO] [stdout] da879a642208e216bba0079e2a1fef84ca7b50cad3ffa13627b2d6d4ee65baab
