[INFO] fetching crate relm-core 0.16.0...
[INFO] testing relm-core-0.16.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate relm-core 0.16.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate relm-core 0.16.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate relm-core 0.16.0
[INFO] finished tweaking crates.io crate relm-core 0.16.0
[INFO] tweaked toml for crates.io crate relm-core 0.16.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d35c1047eea289c407a19c5d501dbbefac1da5915bf24c9c435c028f304ec7df
[INFO] running `Command { std: "docker" "start" "-a" "d35c1047eea289c407a19c5d501dbbefac1da5915bf24c9c435c028f304ec7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d35c1047eea289c407a19c5d501dbbefac1da5915bf24c9c435c028f304ec7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35c1047eea289c407a19c5d501dbbefac1da5915bf24c9c435c028f304ec7df", kill_on_drop: false }`
[INFO] [stdout] d35c1047eea289c407a19c5d501dbbefac1da5915bf24c9c435c028f304ec7df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2007a1a643bf774ec6659d3a89f14845e602184e08ae9fa765ec00d17b366ed
[INFO] running `Command { std: "docker" "start" "-a" "a2007a1a643bf774ec6659d3a89f14845e602184e08ae9fa765ec00d17b366ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling gio v0.6.0
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling pango v0.6.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.6.0
[INFO] [stderr]    Compiling cairo-rs v0.6.0
[INFO] [stderr]    Compiling atk v0.6.0
[INFO] [stderr]    Compiling gdk v0.10.0
[INFO] [stderr]    Compiling gtk v0.6.0
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[INFO] [stderr]    Compiling gio-sys v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.8.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.8.0
[INFO] [stderr]    Compiling pango-sys v0.8.0
[INFO] [stderr]    Compiling atk-sys v0.8.0
[INFO] [stderr]    Compiling gdk-sys v0.8.0
[INFO] [stderr]    Compiling gtk-sys v0.8.0
[INFO] [stderr]    Compiling glib v0.7.1
[INFO] [stderr]    Compiling relm-core v0.16.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |     callback: Box<FnMut(MSG)>,
[INFO] [stdout]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(MSG)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:146:23
[INFO] [stdout]     |
[INFO] [stdout] 146 |     observers: Vec<Rc<Fn(&MSG)>>,
[INFO] [stdout]     |                       ^^^^^^^^ help: use `dyn`: `dyn Fn(&MSG)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:165:37
[INFO] [stdout]     |
[INFO] [stdout] 165 |     callback: Rc<RefCell<Option<Box<FnMut(MSG)>>>>,
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(MSG)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:186:53
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn get_callback(&self) -> Rc<RefCell<Option<Box<FnMut(MSG)>>>> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(MSG)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gtk-0.6.0/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=d059517ea678a64a -C extra-filename=-d059517ea678a64a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-19563155c94e3919.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e09638bf9aca31b4.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-ea4033519c70abcd.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-6b101e5c8d6a3e27.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-28413caf12507db2.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-98d0a0dfda61341b.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-476609d28aebc7ef.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-214f7963436d2a60.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-573e6bd0490bd7bb.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-7f7885ebe919462c.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-f38df391e11efd70.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-f8c7166c4be8b989.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-3540328f66daa6cd.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-cb7682e3ee59fd9f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e92083d5a39a8b50.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-bd0a7f2f55865ae0.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-97b05655aee5ccf3.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-5ceb95d70d5b2adf.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a2007a1a643bf774ec6659d3a89f14845e602184e08ae9fa765ec00d17b366ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2007a1a643bf774ec6659d3a89f14845e602184e08ae9fa765ec00d17b366ed", kill_on_drop: false }`
[INFO] [stdout] a2007a1a643bf774ec6659d3a89f14845e602184e08ae9fa765ec00d17b366ed
