[INFO] cloning repository https://github.com/br-lewis/wgpu-hang-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/br-lewis/wgpu-hang-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbr-lewis%2Fwgpu-hang-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbr-lewis%2Fwgpu-hang-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 773873361db336e6ead3acdb42fbf98fe9d8c10e
[INFO] checking br-lewis/wgpu-hang-test against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbr-lewis%2Fwgpu-hang-test" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/br-lewis/wgpu-hang-test on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/br-lewis/wgpu-hang-test
[INFO] finished tweaking git repo https://github.com/br-lewis/wgpu-hang-test
[INFO] tweaked toml for git repo https://github.com/br-lewis/wgpu-hang-test written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/br-lewis/wgpu-hang-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx-auxil v0.3.0
[INFO] [stderr]   Downloaded wgpu-types v0.5.0
[INFO] [stderr]   Downloaded wgpu-core v0.5.4
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.5.0
[INFO] [stderr]   Downloaded gfx-backend-metal v0.5.1
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c8c61b6f76d6e7585a793b9d95616eb095dc281c982c271e3acf395e9b06d15
[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" "1c8c61b6f76d6e7585a793b9d95616eb095dc281c982c271e3acf395e9b06d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c8c61b6f76d6e7585a793b9d95616eb095dc281c982c271e3acf395e9b06d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8c61b6f76d6e7585a793b9d95616eb095dc281c982c271e3acf395e9b06d15", kill_on_drop: false }`
[INFO] [stdout] 1c8c61b6f76d6e7585a793b9d95616eb095dc281c982c271e3acf395e9b06d15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa798eb8d32866f34ae319e64c956fff61f35c58dfd77a87e381388ef6ae8aa8
[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" "aa798eb8d32866f34ae319e64c956fff61f35c58dfd77a87e381388ef6ae8aa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking gfx-hal v0.5.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking ash v0.30.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking gfx-memory v0.1.3
[INFO] [stderr]     Checking gfx-backend-empty v0.5.0
[INFO] [stderr]     Checking gfx-descriptor v0.1.0
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling peek-poke-derive v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[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 futures-util v0.3.4
[INFO] [stderr]     Checking wgpu-core v0.5.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking wgpu-native v0.5.0
[INFO] [stderr]     Checking wgpu v0.5.0
[INFO] [stderr]     Checking wgpu-hang-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "aa798eb8d32866f34ae319e64c956fff61f35c58dfd77a87e381388ef6ae8aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa798eb8d32866f34ae319e64c956fff61f35c58dfd77a87e381388ef6ae8aa8", kill_on_drop: false }`
[INFO] [stdout] aa798eb8d32866f34ae319e64c956fff61f35c58dfd77a87e381388ef6ae8aa8