[INFO] cloning repository https://github.com/umanwizard/fwm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umanwizard/fwm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumanwizard%2Ffwm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumanwizard%2Ffwm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7cf977a7dbb325525efedeb62b9981038477104
[INFO] testing umanwizard/fwm against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumanwizard%2Ffwm" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umanwizard/fwm on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/umanwizard/fwm
[INFO] finished tweaking git repo https://github.com/umanwizard/fwm
[INFO] tweaked toml for git repo https://github.com/umanwizard/fwm written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/umanwizard/fwm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", 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] c995951599aebdd25706481cd6f1479c586adb0093f1d52719307e9f4ff8ccf5
[INFO] running `Command { std: "docker" "start" "-a" "c995951599aebdd25706481cd6f1479c586adb0093f1d52719307e9f4ff8ccf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c995951599aebdd25706481cd6f1479c586adb0093f1d52719307e9f4ff8ccf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c995951599aebdd25706481cd6f1479c586adb0093f1d52719307e9f4ff8ccf5", kill_on_drop: false }`
[INFO] [stdout] c995951599aebdd25706481cd6f1479c586adb0093f1d52719307e9f4ff8ccf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] c98773cb1d9272bc44231152c32bc89400cb286796dac85080e10885aab975df
[INFO] running `Command { std: "docker" "start" "-a" "c98773cb1d9272bc44231152c32bc89400cb286796dac85080e10885aab975df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling futures-executor v0.3.14
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling glib-macros v0.10.1
[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 fwm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:602:31
[INFO] [stdout]     |
[INFO] [stdout] 602 |         let move_horizontal = (dir == Direction::Left || dir == Direction::Right);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:603:29
[INFO] [stdout]     |
[INFO] [stdout] 603 |         let move_to_first = (dir == Direction::Right || dir == Direction::Down);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w_idx`
[INFO] [stdout]    --> src/lib.rs:641:29
[INFO] [stdout]     |
[INFO] [stdout] 641 |             ItemIdx::Window(w_idx) => {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_w_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `n_children`
[INFO] [stdout]    --> src/lib.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn n_children(&self, item: ItemIdx) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[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-0.9.2/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 --cfg 'feature="v3_16"' -C metadata=725ed09c5a61322f -C extra-filename=-725ed09c5a61322f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-2532ff3a12f19869.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-1e3c8921391895bb.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-d9b1b8357fc6e664.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-6219ab99e64816b8.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-d781b5742e0a4262.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-8553973f74ee6ac1.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-ad5efd051171a87d.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-6324eed4c0c6c830.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-ee42b2d4bae62447.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-23dc1b79a055d87e.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-dfb08cc6644dfb23.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-74f615c45fb631dc.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-b30a1c7274647b21.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-a2473bfb2c048937.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-1c76c34bd953cf55.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-18e8ca15e18cd689.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-2429719394e9a45f.rmeta --cap-lints allow --cap-lints=forbid --cfg 'gdk_backend="x11"' --cfg 'gdk_backend="broadway"' --cfg 'gdk_backend="wayland"'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c98773cb1d9272bc44231152c32bc89400cb286796dac85080e10885aab975df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98773cb1d9272bc44231152c32bc89400cb286796dac85080e10885aab975df", kill_on_drop: false }`
[INFO] [stdout] c98773cb1d9272bc44231152c32bc89400cb286796dac85080e10885aab975df