[INFO] cloning repository https://github.com/joemspalding/wgpu-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joemspalding/wgpu-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoemspalding%2Fwgpu-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoemspalding%2Fwgpu-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed859352dc6752d57dab2be2d796a93029e755fe
[INFO] testing joemspalding/wgpu-learn against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoemspalding%2Fwgpu-learn" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joemspalding/wgpu-learn on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joemspalding/wgpu-learn
[INFO] finished tweaking git repo https://github.com/joemspalding/wgpu-learn
[INFO] tweaked toml for git repo https://github.com/joemspalding/wgpu-learn written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/joemspalding/wgpu-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx-auxil v0.7.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.6.5
[INFO] [stderr]   Downloaded wgpu-core v0.6.5
[INFO] [stderr]   Downloaded spirv_cross v0.22.1
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.6.15
[INFO] [stderr]   Downloaded gfx-backend-metal v0.6.4
[INFO] [stderr]   Downloaded gfx-memory v0.2.2
[INFO] [stderr]   Downloaded weezl v0.1.3
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.6.13
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f01b27c902fa0be303b314f5c0bf09155c5340499243bf839fab512e204453fb
[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" "f01b27c902fa0be303b314f5c0bf09155c5340499243bf839fab512e204453fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f01b27c902fa0be303b314f5c0bf09155c5340499243bf839fab512e204453fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01b27c902fa0be303b314f5c0bf09155c5340499243bf839fab512e204453fb", kill_on_drop: false }`
[INFO] [stdout] f01b27c902fa0be303b314f5c0bf09155c5340499243bf839fab512e204453fb
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dbf320df2b7f62d2795cf29e262bf0f78261a94a1ddd0676b6bd4c52bb6333b
[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" "6dbf320df2b7f62d2795cf29e262bf0f78261a94a1ddd0676b6bd4c52bb6333b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling libloading v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling instant v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[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 dlib v0.4.2
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling wgpu-types v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling gfx-hal v0.6.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]    Compiling gfx-backend-empty v0.6.0
[INFO] [stderr]    Compiling gfx-memory v0.2.2
[INFO] [stderr]    Compiling gfx-descriptor v0.2.0
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling tiff v0.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr] error: could not compile `wayland-client`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name wayland_client /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wayland-client-0.23.6/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="calloop"' --cfg 'feature="cursor"' --cfg 'feature="dlopen"' --cfg 'feature="egl"' --cfg 'feature="eventloop"' --cfg 'feature="mio"' --cfg 'feature="native_lib"' -C metadata=521b9c03c46d48ca -C extra-filename=-521b9c03c46d48ca --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-7f78c1de5599d643.rmeta --extern calloop=/opt/rustwide/target/debug/deps/libcalloop-cc0258041afbc23e.rmeta --extern downcast_rs=/opt/rustwide/target/debug/deps/libdowncast_rs-f7e218dd4adc76a3.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-cdce2de91d624fe2.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-84a083c73af22fc2.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-26ca556d907805fe.rmeta --extern wayland_commons=/opt/rustwide/target/debug/deps/libwayland_commons-1448b695a8bf93cb.rmeta --extern wayland_sys=/opt/rustwide/target/debug/deps/libwayland_sys-c9d13d419ecc1f44.rmeta --cap-lints allow --cap-lints=forbid` (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" "6dbf320df2b7f62d2795cf29e262bf0f78261a94a1ddd0676b6bd4c52bb6333b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbf320df2b7f62d2795cf29e262bf0f78261a94a1ddd0676b6bd4c52bb6333b", kill_on_drop: false }`
[INFO] [stdout] 6dbf320df2b7f62d2795cf29e262bf0f78261a94a1ddd0676b6bd4c52bb6333b