[INFO] fetching crate wgpu_async_staging 0.1.0...
[INFO] testing wgpu_async_staging-0.1.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate wgpu_async_staging 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate wgpu_async_staging 0.1.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wgpu_async_staging 0.1.0
[INFO] finished tweaking crates.io crate wgpu_async_staging 0.1.0
[INFO] tweaked toml for crates.io crate wgpu_async_staging 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wgpu-types v0.11.0
[INFO] [stderr]   Downloaded wgpu-hal v0.11.5
[INFO] [stderr]   Downloaded wgpu-core v0.11.3
[INFO] [stderr]   Downloaded wgpu v0.11.1
[INFO] [stderr]   Downloaded naga v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49dab11461e3188783646a86a873525e8a5f33f938e0c7b8afe2e0ea8585747a
[INFO] running `Command { std: "docker" "start" "-a" "49dab11461e3188783646a86a873525e8a5f33f938e0c7b8afe2e0ea8585747a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49dab11461e3188783646a86a873525e8a5f33f938e0c7b8afe2e0ea8585747a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49dab11461e3188783646a86a873525e8a5f33f938e0c7b8afe2e0ea8585747a", kill_on_drop: false }`
[INFO] [stdout] 49dab11461e3188783646a86a873525e8a5f33f938e0c7b8afe2e0ea8585747a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1dab8ec2225d1982ef5d9165e184f1fefd1141f6bba5bf3e3dd5bf1bc760d7c
[INFO] running `Command { std: "docker" "start" "-a" "b1dab8ec2225d1982ef5d9165e184f1fefd1141f6bba5bf3e3dd5bf1bc760d7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling wgpu-core v0.11.3
[INFO] [stderr]    Compiling spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling gpu-descriptor v0.2.3
[INFO] [stderr]    Compiling gpu-alloc v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling ash v0.33.3+1.2.191
[INFO] [stderr]    Compiling wgpu-types v0.11.0
[INFO] [stderr]    Compiling inplace_it v0.3.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling glow v0.11.2
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling profiling v1.0.8
[INFO] [stderr]    Compiling renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling concurrent-queue v2.2.0
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling naga v0.7.3
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling wgpu-hal v0.11.5
[INFO] [stderr]    Compiling wgpu v0.11.1
[INFO] [stderr]    Compiling wgpu_async_staging v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wgpu_async_staging` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b1dab8ec2225d1982ef5d9165e184f1fefd1141f6bba5bf3e3dd5bf1bc760d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1dab8ec2225d1982ef5d9165e184f1fefd1141f6bba5bf3e3dd5bf1bc760d7c", kill_on_drop: false }`
[INFO] [stdout] b1dab8ec2225d1982ef5d9165e184f1fefd1141f6bba5bf3e3dd5bf1bc760d7c
