[INFO] cloning repository https://github.com/kaz399/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaz399/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaz399%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaz399%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6090b5d034c8c4cf4967a522ff826d732a0499e
[INFO] testing kaz399/mandelbrot against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaz399%2Fmandelbrot" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaz399/mandelbrot on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaz399/mandelbrot
[INFO] finished tweaking git repo https://github.com/kaz399/mandelbrot
[INFO] tweaked toml for git repo https://github.com/kaz399/mandelbrot written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/kaz399/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8113b50334815580cc69d7c769c77eed61b03749275b9c07e0b6ea024414713a
[INFO] running `Command { std: "docker" "start" "-a" "8113b50334815580cc69d7c769c77eed61b03749275b9c07e0b6ea024414713a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8113b50334815580cc69d7c769c77eed61b03749275b9c07e0b6ea024414713a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8113b50334815580cc69d7c769c77eed61b03749275b9c07e0b6ea024414713a", kill_on_drop: false }`
[INFO] [stdout] 8113b50334815580cc69d7c769c77eed61b03749275b9c07e0b6ea024414713a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61655edec3fcdec901e0a25f9f4104c5da08973b3882f6fcaf4976ab582d5379
[INFO] running `Command { std: "docker" "start" "-a" "61655edec3fcdec901e0a25f9f4104c5da08973b3882f6fcaf4976ab582d5379", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling bytemuck v1.7.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling glow v0.9.0
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling profiling v1.0.2
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling pollster v0.2.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling font8x8 v0.3.1
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling wgpu-core v0.8.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling ash v0.32.1
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling wide v0.6.5
[INFO] [stderr]    Compiling nom v6.2.0
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling wgpu-types v0.8.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling gpu-alloc v0.4.7
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling gpu-descriptor v0.1.1
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling ultraviolet v0.8.1
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling mio-misc v1.2.1
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling wayland-commons v0.28.5
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling wayland-cursor v0.28.5
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling naga v0.4.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling gfx-hal v0.8.0
[INFO] [stderr]    Compiling winit_input_helper v0.10.0
[INFO] [stderr]    Compiling gfx-backend-empty v0.8.0
[INFO] [stderr]    Compiling gfx-backend-gl v0.8.1
[INFO] [stderr]    Compiling gfx-backend-vulkan v0.8.0
[INFO] [stderr]    Compiling wgpu v0.8.1
[INFO] [stderr]    Compiling pixels v0.4.0
[INFO] [stderr] error: could not compile `wgpu`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name wgpu --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wgpu-0.8.1/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="default"' -C metadata=19c084ba4b02b166 -C extra-filename=-19c084ba4b02b166 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-16dabcc6821a5660.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-41607b4997ff699e.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-555afe34d39f3263.rmeta --extern raw_window_handle=/opt/rustwide/target/debug/deps/libraw_window_handle-b86d6e78c4c0964c.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-dba68b901e1d2035.rmeta --extern wgc=/opt/rustwide/target/debug/deps/libwgpu_core-31e6b623b7e69fa3.rmeta --extern wgt=/opt/rustwide/target/debug/deps/libwgpu_types-02308f33b40ee169.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "61655edec3fcdec901e0a25f9f4104c5da08973b3882f6fcaf4976ab582d5379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61655edec3fcdec901e0a25f9f4104c5da08973b3882f6fcaf4976ab582d5379", kill_on_drop: false }`
[INFO] [stdout] 61655edec3fcdec901e0a25f9f4104c5da08973b3882f6fcaf4976ab582d5379