[INFO] cloning repository https://github.com/laopo001/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/laopo001/wgpu-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaopo001%2Fwgpu-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaopo001%2Fwgpu-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ca54e026d997377d9b12713f721bcdd46c3eb9c
[INFO] checking laopo001/wgpu-learn against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaopo001%2Fwgpu-learn" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/laopo001/wgpu-learn on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/laopo001/wgpu-learn
[INFO] removed path dependency deno_cli from git repo https://github.com/laopo001/wgpu-learn
[INFO] removed path dependency deno_core from git repo https://github.com/laopo001/wgpu-learn
[INFO] finished tweaking git repo https://github.com/laopo001/wgpu-learn
[INFO] tweaked toml for git repo https://github.com/laopo001/wgpu-learn written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/laopo001/wgpu-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (deno_cli) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (deno_core) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/naga`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (deno_cli) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (deno_core) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3a51297594792542aae7dc57b748841a4cff758fe165123d617e1258d247e52
[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" "d3a51297594792542aae7dc57b748841a4cff758fe165123d617e1258d247e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3a51297594792542aae7dc57b748841a4cff758fe165123d617e1258d247e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a51297594792542aae7dc57b748841a4cff758fe165123d617e1258d247e52", kill_on_drop: false }`
[INFO] [stdout] d3a51297594792542aae7dc57b748841a4cff758fe165123d617e1258d247e52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] c4b0c6d00cb75c7d6981cbccc4223283bc73f6615ccb56bfb2656e378d64116a
[INFO] running `Command { std: "docker" "start" "-a" "c4b0c6d00cb75c7d6981cbccc4223283bc73f6615ccb56bfb2656e378d64116a", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (deno_cli) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (deno_core) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling cargo_gn v0.0.15
[INFO] [stderr]    Compiling wgpu-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]    Compiling debug_stub_derive v0.3.0
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking gfx-hal v0.5.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling gltf-derive v0.15.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking image v0.23.11
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-io v1.2.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking naga v0.1.0 (https://github.com/gfx-rs/naga?rev=bce6358eb1026c13d2f1c6d365af37afe8869a86#bce6358e)
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]    Compiling peek-poke-derive v0.2.1
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling rusty_v8 v0.12.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]     Checking peek-poke v0.2.0
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking wgpu-types v0.5.0 (https://github.com/gfx-rs/wgpu?rev=a7200bb8658e7b7bb972ee46a81f423209fb7659#a7200bb8)
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking gfx-descriptor v0.1.0
[INFO] [stderr]     Checking gfx-memory v0.1.3
[INFO] [stderr]     Checking gfx-backend-vulkan v0.5.11
[INFO] [stderr]     Checking gfx-backend-empty v0.5.2
[INFO] [stderr]     Checking wayland-client v0.23.6
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking wgpu-core v0.5.0 (https://github.com/gfx-rs/wgpu?rev=a7200bb8658e7b7bb972ee46a81f423209fb7659#a7200bb8)
[INFO] [stderr] error: could not compile `futures-util`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="proc-macro-hack"' --cfg 'feature="proc-macro-nested"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' -C metadata=9fc042e7d88dc92d -C extra-filename=-9fc042e7d88dc92d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-e9947de27bed9870.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-b1bf0cc043a0832b.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-55fb68910383410e.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-5783ffc8764af23a.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-27c49397b94f1871.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-0edc7ba7356528ea.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-459b76bc8eccd9f6.rmeta --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-33f00aceb8b9b4f5.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-3d51a938ac21e975.rmeta --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-0ebd250f5636e656.so --extern proc_macro_nested=/opt/rustwide/target/debug/deps/libproc_macro_nested-4e184443387fa366.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-e0e0e35ef9a5003f.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" "c4b0c6d00cb75c7d6981cbccc4223283bc73f6615ccb56bfb2656e378d64116a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b0c6d00cb75c7d6981cbccc4223283bc73f6615ccb56bfb2656e378d64116a", kill_on_drop: false }`
[INFO] [stdout] c4b0c6d00cb75c7d6981cbccc4223283bc73f6615ccb56bfb2656e378d64116a