[INFO] fetching crate wgpu-core 0.5.4...
[INFO] checking wgpu-core-0.5.4 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate wgpu-core 0.5.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wgpu-core 0.5.4 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate wgpu-core 0.5.4
[INFO] finished tweaking crates.io crate wgpu-core 0.5.4
[INFO] tweaked toml for crates.io crate wgpu-core 0.5.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8cc5874ee898e76f45db2ea4fb48db9cf1e42c47a9bc3abd226df06685816119
[INFO] running `"docker" "start" "-a" "8cc5874ee898e76f45db2ea4fb48db9cf1e42c47a9bc3abd226df06685816119"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking gfx-hal v0.5.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking ash v0.30.0
[INFO] [stderr]     Checking gfx-backend-empty v0.5.0
[INFO] [stderr]     Checking gfx-memory v0.1.3
[INFO] [stderr]     Checking gfx-descriptor v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling peek-poke-derive v0.2.1
[INFO] [stderr]     Checking peek-poke v0.2.0
[INFO] [stderr]     Checking wgpu-types v0.5.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.5.6
[INFO] [stderr]     Checking wgpu-core v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `"docker" "inspect" "8cc5874ee898e76f45db2ea4fb48db9cf1e42c47a9bc3abd226df06685816119"`
[INFO] running `"docker" "rm" "-f" "8cc5874ee898e76f45db2ea4fb48db9cf1e42c47a9bc3abd226df06685816119"`
[INFO] [stdout] 8cc5874ee898e76f45db2ea4fb48db9cf1e42c47a9bc3abd226df06685816119