[INFO] fetching crate iced_incremental 0.0.0...
[INFO] checking iced_incremental-0.0.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate iced_incremental 0.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate iced_incremental 0.0.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iced_incremental 0.0.0
[INFO] finished tweaking crates.io crate iced_incremental 0.0.0
[INFO] tweaked toml for crates.io crate iced_incremental 0.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atom v0.3.6
[INFO] [stderr]   Downloaded glyph_brush_layout v0.1.9
[INFO] [stderr]   Downloaded glyph_brush v0.6.3
[INFO] [stderr]   Downloaded euclid_macros v0.1.0
[INFO] [stderr]   Downloaded euclid v0.19.9
[INFO] [stderr]   Downloaded gfx-backend-empty v0.4.0
[INFO] [stderr]   Downloaded gfx-auxil v0.1.0
[INFO] [stderr]   Downloaded clipboard_wayland v0.1.2
[INFO] [stderr]   Downloaded storage-map v0.2.0
[INFO] [stderr]   Downloaded spirv_cross v0.16.0
[INFO] [stderr]   Downloaded servo-fontconfig-sys v4.0.9
[INFO] [stderr]   Downloaded svg_fmt v0.2.1
[INFO] [stderr]   Downloaded iced_web v0.2.1
[INFO] [stderr]   Downloaded core-text v13.3.2
[INFO] [stderr]   Downloaded rendy-descriptor v0.5.1
[INFO] [stderr]   Downloaded iced_futures v0.1.2
[INFO] [stderr]   Downloaded guillotiere v0.4.4
[INFO] [stderr]   Downloaded window_clipboard v0.1.4
[INFO] [stderr]   Downloaded iced_graphics v0.0.0
[INFO] [stderr]   Downloaded iced_style v0.1.0
[INFO] [stderr]   Downloaded clipboard_x11 v0.2.0
[INFO] [stderr]   Downloaded iced_core v0.2.1
[INFO] [stderr]   Downloaded iced_native v0.2.2
[INFO] [stderr]   Downloaded rendy-memory v0.5.2
[INFO] [stderr]   Downloaded dodrio v0.1.0
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.4.6
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.4.3
[INFO] [stderr]   Downloaded wgpu-native v0.4.3
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.4.3
[INFO] [stderr]   Downloaded gfx-hal v0.4.1
[INFO] [stderr]   Downloaded gfx-backend-metal v0.4.5
[INFO] [stderr]   Downloaded iced v0.1.1
[INFO] [stderr]   Downloaded iced_wgpu v0.2.3
[INFO] [stderr]   Downloaded wgpu_glyph v0.7.0
[INFO] [stderr]   Downloaded wgpu v0.4.0
[INFO] [stderr]   Downloaded iced_winit v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 661c9d2c715c8d11549f267a9cec14358877334a05aa055678b3ee16fc98a581
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "661c9d2c715c8d11549f267a9cec14358877334a05aa055678b3ee16fc98a581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "661c9d2c715c8d11549f267a9cec14358877334a05aa055678b3ee16fc98a581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661c9d2c715c8d11549f267a9cec14358877334a05aa055678b3ee16fc98a581", kill_on_drop: false }`
[INFO] [stdout] 661c9d2c715c8d11549f267a9cec14358877334a05aa055678b3ee16fc98a581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c20178df39f895fbab2592bb5a404b9f8d4565e4a153322ed5ceaace6cbf1237
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c20178df39f895fbab2592bb5a404b9f8d4565e4a153322ed5ceaace6cbf1237", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking atom v0.3.6
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking iced_core v0.2.1
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling glam v0.8.7
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking svg_fmt v0.2.1
[INFO] [stderr]     Checking iced_graphics v0.0.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking libloading v0.7.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking iced_style v0.1.0
[INFO] [stderr]    Compiling cmake v0.1.46
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]    Compiling wayland-sys v0.29.1
[INFO] [stderr]    Compiling x11 v2.19.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling wayland-scanner v0.29.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]    Compiling wayland-client v0.29.1
[INFO] [stderr]    Compiling wayland-protocols v0.29.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking nix v0.22.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking xdg v2.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking font-kit v0.4.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking glyph_brush_layout v0.1.9
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=f74dbce996951169 -C extra-filename=-f74dbce996951169 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-74cf65b213176c4b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-520fec877571f6ee.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (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" "c20178df39f895fbab2592bb5a404b9f8d4565e4a153322ed5ceaace6cbf1237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20178df39f895fbab2592bb5a404b9f8d4565e4a153322ed5ceaace6cbf1237", kill_on_drop: false }`
[INFO] [stdout] c20178df39f895fbab2592bb5a404b9f8d4565e4a153322ed5ceaace6cbf1237