[INFO] cloning repository https://github.com/proudmuslim-dev/forest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/proudmuslim-dev/forest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproudmuslim-dev%2Fforest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproudmuslim-dev%2Fforest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc027ef9641b72697263b2b5e5064fe4ca7159bd
[INFO] testing proudmuslim-dev/forest against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproudmuslim-dev%2Fforest" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/proudmuslim-dev/forest 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 git repo https://github.com/proudmuslim-dev/forest
[INFO] finished tweaking git repo https://github.com/proudmuslim-dev/forest
[INFO] tweaked toml for git repo https://github.com/proudmuslim-dev/forest written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/proudmuslim-dev/forest 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]     Updating git repository `https://github.com/iced-rs/iced_aw`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_test v1.0.130
[INFO] [stderr]   Downloaded iced_futures v0.3.0
[INFO] [stderr]   Downloaded iced_native v0.4.0
[INFO] [stderr]   Downloaded unicode-bidi-mirroring v0.1.0
[INFO] [stderr]   Downloaded roxmltree v0.13.1
[INFO] [stderr]   Downloaded iced_wgpu v0.4.0
[INFO] [stderr]   Downloaded clipboard_wayland v0.2.0
[INFO] [stderr]   Downloaded svgfilters v0.2.0
[INFO] [stderr]   Downloaded window_clipboard v0.2.1
[INFO] [stderr]   Downloaded usvg v0.12.0
[INFO] [stderr]   Downloaded fontdb v0.3.0
[INFO] [stderr]   Downloaded kurbo v0.7.1
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] [stderr]   Downloaded winapi-wsapoll v0.1.1
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.4
[INFO] [stderr]   Downloaded iced_winit v0.3.0
[INFO] [stderr]   Downloaded clipboard_x11 v0.3.1
[INFO] [stderr]   Downloaded iced_web v0.4.0
[INFO] [stderr]   Downloaded unicode-ccc v0.1.2
[INFO] [stderr]   Downloaded unicode-general-category v0.2.0
[INFO] [stderr]   Downloaded iced_core v0.4.0
[INFO] [stderr]   Downloaded iced_graphics v0.2.0
[INFO] [stderr]   Downloaded iced_style v0.3.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.14.0
[INFO] [stderr]   Downloaded x11rb v0.8.1
[INFO] [stderr]   Downloaded iced v0.3.0
[INFO] [stderr]   Downloaded tiny-skia v0.2.0
[INFO] [stderr]   Downloaded resvg v0.12.0
[INFO] [stderr]   Downloaded rustybuzz v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e5e085104aeeb90fbba8785cbed920968764287bba2e231753f6c206bba0e5c8
[INFO] running `Command { std: "docker" "start" "-a" "e5e085104aeeb90fbba8785cbed920968764287bba2e231753f6c206bba0e5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5e085104aeeb90fbba8785cbed920968764287bba2e231753f6c206bba0e5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e085104aeeb90fbba8785cbed920968764287bba2e231753f6c206bba0e5c8", kill_on_drop: false }`
[INFO] [stdout] e5e085104aeeb90fbba8785cbed920968764287bba2e231753f6c206bba0e5c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b241ec2dc9f109450c1336960c1a58093f48ae460ce6b7940b5efda0bc2f14e2
[INFO] running `Command { std: "docker" "start" "-a" "b241ec2dc9f109450c1336960c1a58093f48ae460ce6b7940b5efda0bc2f14e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling minimal-lexical v0.1.4
[INFO] [stderr]    Compiling khronos-egl v3.0.2
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling iced_core v0.4.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling unicode-general-category v0.2.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling ttf-parser v0.9.0
[INFO] [stderr]    Compiling glow v0.7.2
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling unicode-script v0.5.4
[INFO] [stderr]    Compiling unicode-bidi-mirroring v0.1.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling unicode-ccc v0.1.2
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling svg_fmt v0.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling libloading v0.7.1
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling glam v0.10.2
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling data-url v0.1.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling wgpu-core v0.7.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling iced_style v0.3.0
[INFO] [stderr]    Compiling kurbo v0.7.1
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling roxmltree v0.13.1
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling wgpu-types v0.7.0
[INFO] [stderr]    Compiling simplecss v0.2.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling owned_ttf_parser v0.12.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling euclid v0.22.6
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling ab_glyph v0.2.11
[INFO] [stderr]    Compiling glyph_brush_layout v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling guillotiere v0.6.2
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling spirv_cross v0.23.1
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling nix v0.20.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling xdg v2.3.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling fontdb v0.3.0
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling mio-extras v2.0.6
[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-1.0.80/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=d77b65bc2cbe66ee -C extra-filename=-d77b65bc2cbe66ee --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-adabcd273d79c445.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-dd774c78a1b19d10.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" "b241ec2dc9f109450c1336960c1a58093f48ae460ce6b7940b5efda0bc2f14e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b241ec2dc9f109450c1336960c1a58093f48ae460ce6b7940b5efda0bc2f14e2", kill_on_drop: false }`
[INFO] [stdout] b241ec2dc9f109450c1336960c1a58093f48ae460ce6b7940b5efda0bc2f14e2