[INFO] fetching crate mg 0.12.0...
[INFO] testing mg-0.12.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate mg 0.12.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mg 0.12.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mg 0.12.0
[INFO] finished tweaking crates.io crate mg 0.12.0
[INFO] tweaked toml for crates.io crate mg 0.12.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mg 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 7a246301e58272c32182f57349550877acfd73cf20892c23a6db93984a145c95
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7a246301e58272c32182f57349550877acfd73cf20892c23a6db93984a145c95"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gio-sys v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.0
[INFO] [stderr]    Compiling pango-sys v0.9.0
[INFO] [stderr]    Compiling gdk-sys v0.9.0
[INFO] [stderr]    Compiling atk-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling glib v0.8.2
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling mg-settings-macros v0.4.2
[INFO] [stderr]    Compiling mg-settings v0.4.3
[INFO] [stderr]    Compiling relm-derive v0.18.0
[INFO] [stderr]    Compiling relm v0.18.0
[INFO] [stderr]    Compiling mg v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | #![feature(unboxed_closures)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/app/status_bar.rs:366:5
[INFO] [stderr]     |
[INFO] [stderr] 364 | #[derive(Msg)]
[INFO] [stderr]     |          --- rustdoc does not generate documentation for match arms
[INFO] [stderr] 365 | pub enum ItemMsg {
[INFO] [stderr] 366 |     /// Set the color of the status bar item.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/app/status_bar.rs:368:5
[INFO] [stderr]     |
[INFO] [stderr] 364 | #[derive(Msg)]
[INFO] [stderr]     |          --- rustdoc does not generate documentation for match arms
[INFO] [stderr] ...
[INFO] [stderr] 368 |     /// Set the text of the status bar item.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gtk::WidgetExt::override_background_color'
[INFO] [stderr]   --> src/app/color.rs:53:20
[INFO] [stderr]    |
[INFO] [stderr] 53 |         status_bar.override_background_color(StateFlags::NORMAL, Some(TRANSPARENT));
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gtk::WidgetExt::override_color'
[INFO] [stderr]   --> src/app/color.rs:54:20
[INFO] [stderr]    |
[INFO] [stderr] 54 |         status_bar.override_color(StateFlags::NORMAL, Some(&self.model.foreground_color));
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gtk::WidgetExt::override_background_color'
[INFO] [stderr]   --> src/app/color.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     widget.override_background_color(StateFlags::NORMAL, Some(&RGBA::blue()));
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gtk::WidgetExt::override_background_color'
[INFO] [stderr]   --> src/app/color.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 |     widget.override_background_color(StateFlags::NORMAL, Some(&RGBA {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gtk::WidgetExt::override_background_color'
[INFO] [stderr]   --> src/app/color.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 |     widget.override_background_color(StateFlags::NORMAL, Some(&RGBA::red()));
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gtk::WidgetExt::override_color'
[INFO] [stderr]   --> src/app/color.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |     widget.override_color(StateFlags::NORMAL, Some(&RGBA::white()));
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gtk::WidgetExt::override_color'
[INFO] [stderr]    --> src/app/status_bar.rs:381:40
[INFO] [stderr]     |
[INFO] [stderr] 381 |             Color(color) => self.label.override_color(StateFlags::NORMAL, color.as_ref()),
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `mg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gtk-0.7.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="v3_16"' --cfg 'feature="v3_18"' --cfg 'feature="v3_20"' --cfg 'feature="v3_22"' -C metadata=572a008de2d6b287 -C extra-filename=-572a008de2d6b287 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-69a6120dc1b9a51f.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-3b8dce027c498e76.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-99884f5446ff6542.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-41e6f0cd13757958.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-7a30f0d1d75430ad.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-214f1c80cef10c39.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-ca5a1c41344acf1d.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-a404046e9376df93.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-a2240b7c06ee0cc0.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-09aec4fae8575479.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-3f4a0db4b7c5c96b.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-cccf883922e8d914.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-7ef748dcdfb67633.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-c4a7757df7ab922a.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-c207312554410787.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d3dd008d2dbab132.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-db521e8ef6c1674c.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-73f24a43d75bc624.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "7a246301e58272c32182f57349550877acfd73cf20892c23a6db93984a145c95"`
[INFO] running `"docker" "rm" "-f" "7a246301e58272c32182f57349550877acfd73cf20892c23a6db93984a145c95"`
[INFO] [stdout] 7a246301e58272c32182f57349550877acfd73cf20892c23a6db93984a145c95