[INFO] cloning repository https://github.com/leomanchic/iced_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leomanchic/iced_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleomanchic%2Ficed_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleomanchic%2Ficed_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a464e3e1f5bba38420f45fcc9500c1148a432b7
[INFO] checking leomanchic/iced_demo against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleomanchic%2Ficed_demo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leomanchic/iced_demo on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leomanchic/iced_demo
[INFO] finished tweaking git repo https://github.com/leomanchic/iced_demo
[INFO] tweaked toml for git repo https://github.com/leomanchic/iced_demo written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/leomanchic/iced_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clipboard_x11 v0.4.2
[INFO] [stderr]   Downloaded clipboard_wayland v0.2.2
[INFO] [stderr]   Downloaded window_clipboard v0.4.1
[INFO] [stderr]   Downloaded iced_style v0.12.0
[INFO] [stderr]   Downloaded clipboard-win v5.1.0
[INFO] [stderr]   Downloaded iced_winit v0.12.0
[INFO] [stderr]   Downloaded cfg_aliases v0.2.0
[INFO] [stderr]   Downloaded drm-fourcc v2.2.0
[INFO] [stderr]   Downloaded tiny-xlib v0.2.2
[INFO] [stderr]   Downloaded iced_tiny_skia v0.12.0
[INFO] [stderr]   Downloaded iced_renderer v0.12.0
[INFO] [stderr]   Downloaded drm-sys v0.6.1
[INFO] [stderr]   Downloaded drm v0.11.1
[INFO] [stderr]   Downloaded softbuffer v0.4.1
[INFO] [stderr]   Downloaded glyphon v0.5.0
[INFO] [stderr]   Downloaded swash v0.1.12
[INFO] [stderr]   Downloaded iced v0.12.0
[INFO] [stderr]   Downloaded kurbo v0.10.4
[INFO] [stderr]   Downloaded iced_widget v0.12.0
[INFO] [stderr]   Downloaded fontdb v0.15.0
[INFO] [stderr]   Downloaded rustybuzz v0.11.0
[INFO] [stderr]   Downloaded read-fonts v0.15.5
[INFO] [stderr]   Downloaded linux-raw-sys v0.6.4
[INFO] [stderr]   Downloaded cosmic-text v0.10.0
[INFO] [stderr]   Downloaded palette v0.7.4
[INFO] [stderr]   Downloaded iced_core v0.12.0
[INFO] [stderr]   Downloaded drm-ffi v0.7.1
[INFO] [stderr]   Downloaded iced_wgpu v0.12.0
[INFO] [stderr]   Downloaded rangemap v1.5.0
[INFO] [stderr]   Downloaded font-types v0.4.2
[INFO] [stderr]   Downloaded iced_graphics v0.12.0
[INFO] [stderr]   Downloaded palette_derive v0.7.4
[INFO] [stderr]   Downloaded iced_futures v0.12.0
[INFO] [stderr]   Downloaded iced_runtime v0.12.0
[INFO] [stderr]   Downloaded fast-srgb8 v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2abd48f9c357b869fee2588e2318920e5c72cc6fbd9029611ea0ee960767ebd4
[INFO] running `Command { std: "docker" "start" "-a" "2abd48f9c357b869fee2588e2318920e5c72cc6fbd9029611ea0ee960767ebd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2abd48f9c357b869fee2588e2318920e5c72cc6fbd9029611ea0ee960767ebd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2abd48f9c357b869fee2588e2318920e5c72cc6fbd9029611ea0ee960767ebd4", kill_on_drop: false }`
[INFO] [stdout] 2abd48f9c357b869fee2588e2318920e5c72cc6fbd9029611ea0ee960767ebd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f763a13ba81bed6b4fec6e157b770171945b8a7cbb632a1e09b9d8cd46b0675
[INFO] running `Command { std: "docker" "start" "-a" "7f763a13ba81bed6b4fec6e157b770171945b8a7cbb632a1e09b9d8cd46b0675", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking libloading v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]    Compiling ahash v0.8.9
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking raw-window-handle v0.6.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling palette v0.7.4
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]     Checking smol_str v0.2.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking fast-srgb8 v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking glam v0.25.0
[INFO] [stderr]     Checking as-raw-xcb-connection v1.0.1
[INFO] [stderr]     Checking roxmltree v0.19.0
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]     Checking font-types v0.4.2
[INFO] [stderr]     Checking web-time v0.2.4
[INFO] [stderr]     Checking xxhash-rust v0.8.10
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]     Checking fontconfig-parser v0.5.6
[INFO] [stderr]     Checking memmap2 v0.8.0
[INFO] [stderr]     Checking read-fonts v0.15.5
[INFO] [stderr]    Compiling wayland-scanner v0.31.1
[INFO] [stderr]     Checking x11rb-protocol v0.13.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking unicode-properties v0.1.1
[INFO] [stderr]     Checking zeno v0.2.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking unicode-script v0.5.5
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]     Checking yazi v0.1.6
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]     Checking ttf-parser v0.19.2
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]    Compiling wgpu-hal v0.19.1
[INFO] [stderr]     Checking gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.2
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.18.1
[INFO] [stderr]     Checking cursor-icon v1.1.0
[INFO] [stderr]     Checking xkeysym v0.2.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking xcursor v0.3.5
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking rangemap v1.5.0
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking self_cell v1.0.3
[INFO] [stderr]     Checking sys-locale v0.3.1
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling drm-sys v0.6.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking gpu-descriptor v0.2.4
[INFO] [stderr]     Checking gpu-alloc v0.6.0
[INFO] [stderr]    Compiling wgpu-core v0.19.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/385fa9d845dd326c6bbfd58c22244215e431948a/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.50/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=5003c0f822aa8610 -C extra-filename=-5003c0f822aa8610 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6b6a52a206917441.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e3e2745b1c1d8733.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7f763a13ba81bed6b4fec6e157b770171945b8a7cbb632a1e09b9d8cd46b0675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f763a13ba81bed6b4fec6e157b770171945b8a7cbb632a1e09b9d8cd46b0675", kill_on_drop: false }`
[INFO] [stdout] 7f763a13ba81bed6b4fec6e157b770171945b8a7cbb632a1e09b9d8cd46b0675