[INFO] fetching crate egui-wgpu 0.0.1-alpha.0...
[INFO] checking egui-wgpu-0.0.1-alpha.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate egui-wgpu 0.0.1-alpha.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate egui-wgpu 0.0.1-alpha.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate egui-wgpu 0.0.1-alpha.0
[INFO] finished tweaking crates.io crate egui-wgpu 0.0.1-alpha.0
[INFO] tweaked toml for crates.io crate egui-wgpu 0.0.1-alpha.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29e160f125993d30dc0545de78cda2de291ffabd14ed79f9bca60249733f5a1e
[INFO] running `Command { std: "docker" "start" "-a" "29e160f125993d30dc0545de78cda2de291ffabd14ed79f9bca60249733f5a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e160f125993d30dc0545de78cda2de291ffabd14ed79f9bca60249733f5a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e160f125993d30dc0545de78cda2de291ffabd14ed79f9bca60249733f5a1e", kill_on_drop: false }`
[INFO] [stdout] 29e160f125993d30dc0545de78cda2de291ffabd14ed79f9bca60249733f5a1e
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4d1f79b17ef48271ffdc99942a0d39f49d2de2cd69486276083214d7bf16107
[INFO] running `Command { std: "docker" "start" "-a" "e4d1f79b17ef48271ffdc99942a0d39f49d2de2cd69486276083214d7bf16107", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking emath v0.12.0
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking mint v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking khronos-egl v4.1.0
[INFO] [stderr]     Checking ash v0.32.1
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking wgpu-types v0.8.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking gpu-descriptor v0.1.1
[INFO] [stderr]     Checking gpu-alloc v0.4.7
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking ordered-float v2.7.0
[INFO] [stderr]     Checking epaint v0.12.0
[INFO] [stderr]     Checking egui v0.12.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling bytemuck_derive v1.0.1
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking naga v0.4.2
[INFO] [stderr]     Checking gfx-hal v0.8.0
[INFO] [stderr]     Checking gfx-backend-gl v0.8.1
[INFO] [stderr]     Checking gfx-backend-empty v0.8.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.8.0
[INFO] [stderr]     Checking wgpu-core v0.8.1
[INFO] [stderr]     Checking wgpu v0.8.1
[INFO] [stderr]     Checking wgpu-util v0.0.0-alpha.4
[INFO] [stderr]     Checking egui-wgpu v0.0.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.84s
[INFO] running `Command { std: "docker" "inspect" "e4d1f79b17ef48271ffdc99942a0d39f49d2de2cd69486276083214d7bf16107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d1f79b17ef48271ffdc99942a0d39f49d2de2cd69486276083214d7bf16107", kill_on_drop: false }`
[INFO] [stdout] e4d1f79b17ef48271ffdc99942a0d39f49d2de2cd69486276083214d7bf16107