[INFO] fetching crate slint-viewer 0.2.1...
[INFO] testing slint-viewer-0.2.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate slint-viewer 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate slint-viewer 0.2.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slint-viewer 0.2.1
[INFO] finished tweaking crates.io crate slint-viewer 0.2.1
[INFO] tweaked toml for crates.io crate slint-viewer 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate slint-viewer 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded qttypes v0.2.8
[INFO] [stderr]   Downloaded i-slint-backend-qt v0.2.1
[INFO] [stderr]   Downloaded by_address v1.0.4
[INFO] [stderr]   Downloaded const-field-offset v0.1.2
[INFO] [stderr]   Downloaded css-color-parser2 v1.0.1
[INFO] [stderr]   Downloaded aliasable v0.1.3
[INFO] [stderr]   Downloaded ouroboros v0.14.2
[INFO] [stderr]   Downloaded ouroboros_macro v0.14.2
[INFO] [stderr]   Downloaded countme v3.0.1
[INFO] [stderr]   Downloaded rowan v0.15.4
[INFO] [stderr]   Downloaded smol_str v0.1.21
[INFO] [stderr]   Downloaded lyon_algorithms v0.17.7
[INFO] [stderr]   Downloaded fontdue v0.7.2
[INFO] [stderr]   Downloaded vtable v0.1.6
[INFO] [stderr]   Downloaded femtovg v0.3.3
[INFO] [stderr]   Downloaded vtable-macro v0.1.6
[INFO] [stderr]   Downloaded i-slint-backend-gl v0.2.1
[INFO] [stderr]   Downloaded generativity v1.0.0
[INFO] [stderr]   Downloaded fontdb v0.9.1
[INFO] [stderr]   Downloaded i-slint-core v0.2.1
[INFO] [stderr]   Downloaded resvg v0.22.0
[INFO] [stderr]   Downloaded i-slint-compiler v0.2.1
[INFO] [stderr]   Downloaded lyon_svg v0.17.2
[INFO] [stderr]   Downloaded pin-weak v1.1.0
[INFO] [stderr]   Downloaded i-slint-backend-selector v0.2.1
[INFO] [stderr]   Downloaded i-slint-common v0.2.1
[INFO] [stderr]   Downloaded slint-interpreter v0.2.1
[INFO] [stderr]   Downloaded spin_on v0.1.1
[INFO] [stderr]   Downloaded const-field-offset-macro v0.1.2
[INFO] [stderr]   Downloaded i-slint-core-macros v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 83369e3cc136a03aa4d8437bba4fae533fef41d43604a464c78a19bfeb652e6f
[INFO] running `Command { std: "docker" "start" "-a" "83369e3cc136a03aa4d8437bba4fae533fef41d43604a464c78a19bfeb652e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83369e3cc136a03aa4d8437bba4fae533fef41d43604a464c78a19bfeb652e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83369e3cc136a03aa4d8437bba4fae533fef41d43604a464c78a19bfeb652e6f", kill_on_drop: false }`
[INFO] [stdout] 83369e3cc136a03aa4d8437bba4fae533fef41d43604a464c78a19bfeb652e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 249b849bcee7fbf3f71d11549085f3df90ce2ea444b49adbc8591caeb75f1fb5
[INFO] running `Command { std: "docker" "start" "-a" "249b849bcee7fbf3f71d11549085f3df90ce2ea444b49adbc8591caeb75f1fb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.8.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ttf-parser v0.15.0
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling unicode-general-category v0.4.0
[INFO] [stderr]    Compiling critical-section v0.2.5
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling unicode-bidi-mirroring v0.1.0
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]    Compiling unicode-script v0.5.4
[INFO] [stderr]    Compiling unicode-ccc v0.1.2
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling lebe v0.5.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling async-task v4.2.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]    Compiling rctree v0.4.0
[INFO] [stderr]    Compiling i-slint-common v0.2.1
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling easy-parallel v3.2.0
[INFO] [stderr]    Compiling dark-light v0.2.1
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling pin-weak v1.1.0
[INFO] [stderr]    Compiling by_address v1.0.4
[INFO] [stderr]    Compiling dconf_rs v0.3.0
[INFO] [stderr]    Compiling imgref v1.9.1
[INFO] [stderr]    Compiling detect-desktop-environment v0.2.0
[INFO] [stderr]    Compiling glow v0.11.2
[INFO] [stderr]    Compiling lru v0.7.3
[INFO] [stderr]    Compiling hashbrown v0.12.0
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling i-slint-backend-selector v0.2.1
[INFO] [stderr]    Compiling i-slint-compiler v0.2.1
[INFO] [stderr]    Compiling countme v3.0.1
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]    Compiling generativity v1.0.0
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.3
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling auto_enums_derive v0.7.12
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling css-color-parser2 v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling data-url v0.1.1
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling svgtypes v0.8.0
[INFO] [stderr]    Compiling spin_on v0.1.1
[INFO] [stderr]    Compiling rgb v0.8.32
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling raw-window-handle v0.4.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling roxmltree v0.14.1
[INFO] [stderr]    Compiling kurbo v0.8.3
[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling linked_hash_set v0.1.4
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling fontconfig-parser v0.5.0
[INFO] [stderr]    Compiling svgfilters v0.4.0
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling simplecss v0.2.1
[INFO] [stderr]    Compiling ordered-stream v0.0.1
[INFO] [stderr]    Compiling async-broadcast v0.3.4
[INFO] [stderr]    Compiling png v0.17.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]    Compiling rowan v0.15.4
[INFO] [stderr]    Compiling euclid v0.22.6
[INFO] [stderr]    Compiling sid v0.6.1
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling tiny-skia v0.6.3
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling memmap2 v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling memmap2 v0.5.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling rustybuzz v0.5.0
[INFO] [stderr]    Compiling atomic-polyfill v0.1.6
[INFO] [stderr]    Compiling lyon_geom v0.17.6
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling fontdb v0.9.1
[INFO] [stderr]    Compiling tiff v0.7.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling codemap-diagnostic v0.1.1
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.86/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=36494d4c7f4d2cc6 -C extra-filename=-36494d4c7f4d2cc6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d0e4c723ecad0f39.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3df76aa48d62b863.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d8167d72773bee47.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (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" "249b849bcee7fbf3f71d11549085f3df90ce2ea444b49adbc8591caeb75f1fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249b849bcee7fbf3f71d11549085f3df90ce2ea444b49adbc8591caeb75f1fb5", kill_on_drop: false }`
[INFO] [stdout] 249b849bcee7fbf3f71d11549085f3df90ce2ea444b49adbc8591caeb75f1fb5