[INFO] fetching crate wgpu-core 0.6.3...
[INFO] checking wgpu-core-0.6.3 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate wgpu-core 0.6.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wgpu-core 0.6.3 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wgpu-core 0.6.3
[INFO] finished tweaking crates.io crate wgpu-core 0.6.3
[INFO] tweaked toml for crates.io crate wgpu-core 0.6.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07dcc6a5697b39fcd621f096f4eb94e83a448916ee9903a86d0f99ba148161fd
[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" "07dcc6a5697b39fcd621f096f4eb94e83a448916ee9903a86d0f99ba148161fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07dcc6a5697b39fcd621f096f4eb94e83a448916ee9903a86d0f99ba148161fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07dcc6a5697b39fcd621f096f4eb94e83a448916ee9903a86d0f99ba148161fd", kill_on_drop: false }`
[INFO] [stdout] 07dcc6a5697b39fcd621f096f4eb94e83a448916ee9903a86d0f99ba148161fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d2b2350d9d61a40a838a0e39395a7d12eb2f6263b520c547785658cc191e469
[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" "1d2b2350d9d61a40a838a0e39395a7d12eb2f6263b520c547785658cc191e469", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking inplace_it v0.3.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling generator v0.6.22
[INFO] [stderr]     Checking loom v0.3.5
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-memory v0.2.0
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking naga v0.2.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.6.3
[INFO] [stderr]     Checking wgpu-core v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "1d2b2350d9d61a40a838a0e39395a7d12eb2f6263b520c547785658cc191e469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2b2350d9d61a40a838a0e39395a7d12eb2f6263b520c547785658cc191e469", kill_on_drop: false }`
[INFO] [stdout] 1d2b2350d9d61a40a838a0e39395a7d12eb2f6263b520c547785658cc191e469