[INFO] cloning repository https://github.com/sirxyzzy/fret
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirxyzzy/fret" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirxyzzy%2Ffret", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirxyzzy%2Ffret'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6a888f0811ea7f57fd5cd62f61a9b70c728e75f
[INFO] testing sirxyzzy/fret against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirxyzzy%2Ffret" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sirxyzzy/fret on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sirxyzzy/fret
[INFO] finished tweaking git repo https://github.com/sirxyzzy/fret
[INFO] tweaked toml for git repo https://github.com/sirxyzzy/fret written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/sirxyzzy/fret already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac475f2bcdbcda38ae28b2087d795a8901f833a8a0e361b836221ddac2da3e85
[INFO] running `Command { std: "docker" "start" "-a" "ac475f2bcdbcda38ae28b2087d795a8901f833a8a0e361b836221ddac2da3e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac475f2bcdbcda38ae28b2087d795a8901f833a8a0e361b836221ddac2da3e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac475f2bcdbcda38ae28b2087d795a8901f833a8a0e361b836221ddac2da3e85", kill_on_drop: false }`
[INFO] [stdout] ac475f2bcdbcda38ae28b2087d795a8901f833a8a0e361b836221ddac2da3e85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36c8d9c8f0b397f4321694b1c38cd66e2c540dee2419a92bff2cb55d66e130b0
[INFO] running `Command { std: "docker" "start" "-a" "36c8d9c8f0b397f4321694b1c38cd66e2c540dee2419a92bff2cb55d66e130b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling tinystr v0.3.4
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling pangocairo v0.10.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling kurbo v0.8.1
[INFO] [stderr]    Compiling type-map v0.4.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling keyboard-types v0.5.0
[INFO] [stderr]    Compiling unic-langid-impl v0.9.0
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling unic-bidi v0.9.0
[INFO] [stderr]    Compiling unic-langid v0.9.0
[INFO] [stderr]    Compiling tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling intl-memoizer v0.5.1
[INFO] [stderr]    Compiling fluent-langneg v0.13.0
[INFO] [stderr]    Compiling intl_pluralrules v7.0.1
[INFO] [stderr]    Compiling piet v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[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 ouroboros_macro v0.9.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling druid-derive v0.4.0 (https://github.com/linebender/druid.git#06b37f45)
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling ouroboros v0.9.5
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling fluent-syntax v0.11.0
[INFO] [stderr]    Compiling fluent-bundle v0.15.1
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.1
[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 pangocairo-sys v0.11.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling glib v0.10.3
[INFO] [stderr]    Compiling piet-cairo v0.4.0
[INFO] [stderr]    Compiling piet-common v0.4.1
[INFO] [stderr]    Compiling druid-shell v0.7.0 (https://github.com/linebender/druid.git#06b37f45)
[INFO] [stderr]    Compiling druid v0.7.0 (https://github.com/linebender/druid.git#06b37f45)
[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"' --cfg 'feature="v3_18"' --cfg 'feature="v3_20"' --cfg 'feature="v3_22"' -C metadata=3794ca79949b25ab -C extra-filename=-3794ca79949b25ab --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-8f19e7aa91fa7b3b.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-b56bb0eab201fe91.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-2ab49c82c70d0926.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-3155067ed9561a11.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-f5c625d715932d6b.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-2861b43ef1718027.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-4e410481a91dc84e.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-7ed4ca3c370b4b46.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-d6f330e13e72189a.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-2842535fcf3d3b68.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-96167d6ef5fb54c8.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-9777a059c9a5b830.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-64433153764794ea.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-6f95d9ba35ebd6b1.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-9fffd75946fb8778.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-f047cead98f46396.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-acc14a84da78d751.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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "36c8d9c8f0b397f4321694b1c38cd66e2c540dee2419a92bff2cb55d66e130b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c8d9c8f0b397f4321694b1c38cd66e2c540dee2419a92bff2cb55d66e130b0", kill_on_drop: false }`
[INFO] [stdout] 36c8d9c8f0b397f4321694b1c38cd66e2c540dee2419a92bff2cb55d66e130b0