[INFO] fetching crate frui_core 0.0.1...
[INFO] testing frui_core-0.0.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate frui_core 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate frui_core 0.0.1
[INFO] finished tweaking crates.io crate frui_core 0.0.1
[INFO] tweaked toml for crates.io crate frui_core 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate frui_core 0.0.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 147 packages to latest compatible versions
[INFO] [stderr]       Adding druid-shell v0.7.0 (available: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e11270dd17cf0fc3f474ead13504ff7a5e0fc6314cfdc8f11757a5e7ea1c3a63
[INFO] running `Command { std: "docker" "start" "-a" "e11270dd17cf0fc3f474ead13504ff7a5e0fc6314cfdc8f11757a5e7ea1c3a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e11270dd17cf0fc3f474ead13504ff7a5e0fc6314cfdc8f11757a5e7ea1c3a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11270dd17cf0fc3f474ead13504ff7a5e0fc6314cfdc8f11757a5e7ea1c3a63", kill_on_drop: false }`
[INFO] [stdout] e11270dd17cf0fc3f474ead13504ff7a5e0fc6314cfdc8f11757a5e7ea1c3a63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d46332f6a6129d072d034b94be4c227a825850761539b5a36572120622d7376c
[INFO] running `Command { std: "docker" "start" "-a" "d46332f6a6129d072d034b94be4c227a825850761539b5a36572120622d7376c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling xi-unicode v0.2.1
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling keyboard-types v0.5.0
[INFO] [stderr]    Compiling unic-bidi v0.9.0
[INFO] [stderr]    Compiling kurbo v0.7.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling piet v0.3.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling simplelog v0.12.2
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling frui_macros v0.0.1
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling system-deps v1.3.2
[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 gdk-sys v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]    Compiling glib v0.10.3
[INFO] [stderr]    Compiling piet-cairo v0.3.0
[INFO] [stderr]    Compiling piet-common v0.3.2
[INFO] [stderr]    Compiling druid-shell v0.7.0
[INFO] [stderr]    Compiling frui_core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0367]: `!Immutable` impl requires `T: Sized` but the struct it is implemented for does not
[INFO] [stdout]   --> src/api/widget_eq/cheap_eq.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> !Immutable for UnsafeCell<T> {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout] note: the implementor must specify the same requirement
[INFO] [stdout]   --> /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/cell.rs:2093:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0367`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `frui_core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `gtk` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/bin/rustc --crate-name gtk --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gtk-0.9.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="v3_16"' --cfg 'feature="v3_18"' --cfg 'feature="v3_20"' --cfg 'feature="v3_22"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("dox", "embed-lgpl-docs", "gtk-rs-lgpl-docs", "purge-lgpl-docs", "v3_16", "v3_18", "v3_20", "v3_22", "v3_22_20", "v3_22_26", "v3_22_27", "v3_22_29", "v3_22_30", "v3_24", "v3_24_8", "v3_24_9"))' -C metadata=0c5ed40a15fbd83e -C extra-filename=-05e7af090e68f360 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-f89bda6573915eb0.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e2b4db6c651223da.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-a2b0f73b8cf7946f.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-45a3d6f80b7278fc.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-4313a48a89f12cd6.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-067292e9de2b557b.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-72b3d624120d371a.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-56b5f3b9d9c7c6ab.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-ba8f7f22ab08c9f5.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-a80eba16a53a937e.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-b476b57bea5b7b03.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-ce57d689d2180a03.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-fec26d5524043629.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-213e16dfca88dfce.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f44516d981b27aa6.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-0ba6aecba7086d38.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-1a7856d534022ca5.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-0fe01ca3684243de.rmeta --cap-lints allow --cap-lints=forbid --cfg 'gdk_backend="broadway"' --cfg 'gdk_backend="wayland"' --cfg 'gdk_backend="x11"'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d46332f6a6129d072d034b94be4c227a825850761539b5a36572120622d7376c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46332f6a6129d072d034b94be4c227a825850761539b5a36572120622d7376c", kill_on_drop: false }`
[INFO] [stdout] d46332f6a6129d072d034b94be4c227a825850761539b5a36572120622d7376c