[INFO] cloning repository https://github.com/villetou/hello-wgpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/villetou/hello-wgpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvilletou%2Fhello-wgpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvilletou%2Fhello-wgpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b504a3b4eb040e91442bd67ffb8cb37eb6c5ce37
[INFO] testing villetou/hello-wgpu against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvilletou%2Fhello-wgpu" "/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/villetou/hello-wgpu on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/villetou/hello-wgpu
[INFO] finished tweaking git repo https://github.com/villetou/hello-wgpu
[INFO] tweaked toml for git repo https://github.com/villetou/hello-wgpu written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/villetou/hello-wgpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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 range-alloc v0.1.1
[INFO] [stderr]   Downloaded ash v0.31.0
[INFO] [stderr]   Downloaded fxhash v0.2.1
[INFO] [stderr]   Downloaded inplace_it v0.3.2
[INFO] [stderr]   Downloaded storage-map v0.3.0
[INFO] [stderr]   Downloaded thiserror v1.0.22
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded pin-project-lite v0.2.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.6.5
[INFO] [stderr]   Downloaded wio v0.2.2
[INFO] [stderr]   Downloaded wayland-commons v0.28.2
[INFO] [stderr]   Downloaded copyless v0.1.5
[INFO] [stderr]   Downloaded spirv_headers v1.5.0
[INFO] [stderr]   Downloaded imgui v0.6.1
[INFO] [stderr]   Downloaded thunderdome v0.3.0
[INFO] [stderr]   Downloaded fs_extra v1.2.0
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded anyhow v1.0.36
[INFO] [stderr]   Downloaded cgmath v0.17.0
[INFO] [stderr]   Downloaded derivative v2.1.1
[INFO] [stderr]   Downloaded const_fn v0.4.4
[INFO] [stderr]   Downloaded cmake v0.1.45
[INFO] [stderr]   Downloaded pin-project v1.0.2
[INFO] [stderr]   Downloaded pin-project-internal v1.0.2
[INFO] [stderr]   Downloaded wayland-client v0.28.2
[INFO] [stderr]   Downloaded imgui-wgpu v0.12.0
[INFO] [stderr]   Downloaded gfx-backend-empty v0.6.0
[INFO] [stderr]   Downloaded wayland-cursor v0.28.2
[INFO] [stderr]   Downloaded d3d12 v0.3.2
[INFO] [stderr]   Downloaded wgpu-core v0.6.5
[INFO] [stderr]   Downloaded bytemuck_derive v1.0.1
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.6.13
[INFO] [stderr]   Downloaded wgpu v0.6.2
[INFO] [stderr]   Downloaded metal v0.20.0
[INFO] [stderr]   Downloaded imgui-sys v0.6.0
[INFO] [stderr]   Downloaded wayland-protocols v0.28.2
[INFO] [stderr]   Downloaded wayland-sys v0.28.2
[INFO] [stderr]   Downloaded wayland-scanner v0.28.2
[INFO] [stderr]   Downloaded smallvec v1.5.1
[INFO] [stderr]   Downloaded objc_exception v0.1.2
[INFO] [stderr]   Downloaded winit v0.23.0
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded typed-arena v2.0.1
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.6.17
[INFO] [stderr]   Downloaded imgui-winit-support v0.6.1
[INFO] [stderr]   Downloaded naga v0.2.0
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded gfx-hal v0.6.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.1
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded x11 v2.18.2
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.12.1
[INFO] [stderr]   Downloaded gfx-backend-metal v0.6.5
[INFO] [stderr]   Downloaded gfx-memory v0.2.2
[INFO] [stderr]   Downloaded spirv_cross v0.22.1
[INFO] [stderr]   Downloaded gfx-descriptor v0.2.0
[INFO] [stderr]   Downloaded gfx-auxil v0.7.0
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] [stderr]   Downloaded wgpu-types v0.6.1
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f524d58fd2bd4661ecd7382116f1d79d253e8f5e8eeae5977b426b45f42dd278
[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" "f524d58fd2bd4661ecd7382116f1d79d253e8f5e8eeae5977b426b45f42dd278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f524d58fd2bd4661ecd7382116f1d79d253e8f5e8eeae5977b426b45f42dd278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f524d58fd2bd4661ecd7382116f1d79d253e8f5e8eeae5977b426b45f42dd278", kill_on_drop: false }`
[INFO] [stdout] f524d58fd2bd4661ecd7382116f1d79d253e8f5e8eeae5977b426b45f42dd278
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67eeb8b05ec662f38aa75abaf6241dd22a5fe9b74440f7d375e3678677cbb6c8
[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" "67eeb8b05ec662f38aa75abaf6241dd22a5fe9b74440f7d375e3678677cbb6c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling inplace_it v0.3.2
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling wayland-sys v0.28.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling wgpu-types v0.6.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling wayland-scanner v0.28.2
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling wayland-client v0.28.2
[INFO] [stderr]    Compiling wayland-protocols v0.28.2
[INFO] [stderr]    Compiling gfx-hal v0.6.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling imgui-sys v0.6.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]    Compiling gfx-descriptor v0.2.0
[INFO] [stderr]    Compiling gfx-backend-empty v0.6.0
[INFO] [stderr]    Compiling gfx-memory v0.2.2
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.54/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=6c5381d70ba0e4bb -C extra-filename=-6c5381d70ba0e4bb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b8449736663a1660.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ac1b49ec88ef2fec.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-1c0accd586890c80.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] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "67eeb8b05ec662f38aa75abaf6241dd22a5fe9b74440f7d375e3678677cbb6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67eeb8b05ec662f38aa75abaf6241dd22a5fe9b74440f7d375e3678677cbb6c8", kill_on_drop: false }`
[INFO] [stdout] 67eeb8b05ec662f38aa75abaf6241dd22a5fe9b74440f7d375e3678677cbb6c8