[INFO] fetching crate pilka_wgpu 0.7.4...
[INFO] testing pilka_wgpu-0.7.4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate pilka_wgpu 0.7.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pilka_wgpu 0.7.4 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pilka_wgpu 0.7.4
[INFO] finished tweaking crates.io crate pilka_wgpu 0.7.4
[INFO] tweaked toml for crates.io crate pilka_wgpu 0.7.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate pilka_wgpu 0.7.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 61f3fd1b056d4db8e2a5bea467eb6d54a7a459986f84dccb66a6b52ce2ecf48b
[INFO] running `Command { std: "docker" "start" "-a" "61f3fd1b056d4db8e2a5bea467eb6d54a7a459986f84dccb66a6b52ce2ecf48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61f3fd1b056d4db8e2a5bea467eb6d54a7a459986f84dccb66a6b52ce2ecf48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f3fd1b056d4db8e2a5bea467eb6d54a7a459986f84dccb66a6b52ce2ecf48b", kill_on_drop: false }`
[INFO] [stdout] 61f3fd1b056d4db8e2a5bea467eb6d54a7a459986f84dccb66a6b52ce2ecf48b
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e43bc83be0fdd38341d72f5babc96ec8b116172a3cd132e11c90677ed1b639f9
[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" "e43bc83be0fdd38341d72f5babc96ec8b116172a3cd132e11c90677ed1b639f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling eyre v0.6.6
[INFO] [stderr]    Compiling owo-colors v3.2.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling pollster v0.2.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling pp-rs v0.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling raw-window-handle v0.4.2
[INFO] [stderr]    Compiling ash v0.34.0+1.2.203
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling puffin v0.12.1
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling tracing-subscriber v0.3.7
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling color-spantrace v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor v0.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling bytemuck_derive v1.0.1
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling color-eyre v0.6.0
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling pilka_types v0.7.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling naga v0.8.5
[INFO] [stderr]    Compiling wgpu-hal v0.12.4
[INFO] [stderr]    Compiling wgpu-core v0.12.2
[INFO] [stderr]    Compiling wgpu v0.12.0
[INFO] [stderr]    Compiling smaa v0.6.0
[INFO] [stderr]    Compiling pilka_wgpu v0.7.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(array_methods)]
[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 `pilka_wgpu` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e43bc83be0fdd38341d72f5babc96ec8b116172a3cd132e11c90677ed1b639f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43bc83be0fdd38341d72f5babc96ec8b116172a3cd132e11c90677ed1b639f9", kill_on_drop: false }`
[INFO] [stdout] e43bc83be0fdd38341d72f5babc96ec8b116172a3cd132e11c90677ed1b639f9