[INFO] fetching crate eww 0.0.1-alpha.2...
[INFO] testing eww-0.0.1-alpha.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate eww 0.0.1-alpha.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate eww 0.0.1-alpha.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eww 0.0.1-alpha.2
[INFO] finished tweaking crates.io crate eww 0.0.1-alpha.2
[INFO] tweaked toml for crates.io crate eww 0.0.1-alpha.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ab_glyph v0.2.12
[INFO] [stderr]   Downloaded slotmap v0.4.3
[INFO] [stderr]   Downloaded ttf-parser v0.13.3
[INFO] [stderr]   Downloaded thunderdome v0.4.2
[INFO] [stderr]   Downloaded egui v0.13.1
[INFO] [stderr]   Downloaded egui-wgpu v0.0.1-alpha.1
[INFO] [stderr]   Downloaded wgpu-util v0.0.0-alpha.5
[INFO] [stderr]   Downloaded epaint v0.13.0
[INFO] [stderr]   Downloaded emath v0.13.0
[INFO] [stderr]   Downloaded egui-winit v0.0.1-alpha.2
[INFO] [stderr]   Downloaded drm-fourcc v2.2.0
[INFO] [stderr]   Downloaded owned_ttf_parser v0.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 903dddd9ec7932ee618906c4521ffdd06f59b32a5fb40867628d7cc6260b3f57
[INFO] running `Command { std: "docker" "start" "-a" "903dddd9ec7932ee618906c4521ffdd06f59b32a5fb40867628d7cc6260b3f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "903dddd9ec7932ee618906c4521ffdd06f59b32a5fb40867628d7cc6260b3f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903dddd9ec7932ee618906c4521ffdd06f59b32a5fb40867628d7cc6260b3f57", kill_on_drop: false }`
[INFO] [stdout] 903dddd9ec7932ee618906c4521ffdd06f59b32a5fb40867628d7cc6260b3f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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] f0eec38fc393d3c72d33fdcd1c81c28afbf6a5962962a20060abed9bb0badb1a
[INFO] running `Command { std: "docker" "start" "-a" "f0eec38fc393d3c72d33fdcd1c81c28afbf6a5962962a20060abed9bb0badb1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling drm-fourcc v2.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling ttf-parser v0.13.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling glow v0.9.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling profiling v1.0.4
[INFO] [stderr]    Compiling atomic_refcell v0.1.8
[INFO] [stderr]    Compiling emath v0.13.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling webbrowser v0.5.5
[INFO] [stderr]    Compiling mint v0.5.8
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling wayland-sys v0.29.1
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.2
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling wgpu-types v0.9.0
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling wgpu-core v0.9.2
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling ash v0.32.1
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling gpu-alloc v0.4.7
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling gpu-descriptor v0.1.1
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling gfx-renderdoc v0.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling owned_ttf_parser v0.13.2
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling ab_glyph v0.2.12
[INFO] [stderr]    Compiling rose_tree v0.2.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling nix v0.22.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling memmap2 v0.3.1
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling wayland-client v0.29.1
[INFO] [stderr]    Compiling wayland-protocols v0.29.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling xdg v2.4.0
[INFO] [stderr]    Compiling mio-misc v1.2.1
[INFO] [stderr]    Compiling epaint v0.13.0
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling egui v0.13.1
[INFO] [stderr]    Compiling calloop v0.6.5
[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-1.0.81/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=094bea1cd0e8ee9e -C extra-filename=-094bea1cd0e8ee9e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9dbaaf035d6d15d1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0bcba2a61b67309f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid` (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" "f0eec38fc393d3c72d33fdcd1c81c28afbf6a5962962a20060abed9bb0badb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0eec38fc393d3c72d33fdcd1c81c28afbf6a5962962a20060abed9bb0badb1a", kill_on_drop: false }`
[INFO] [stdout] f0eec38fc393d3c72d33fdcd1c81c28afbf6a5962962a20060abed9bb0badb1a