[INFO] fetching crate wgpu-core 0.8.1...
[INFO] checking wgpu-core-0.8.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate wgpu-core 0.8.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate wgpu-core 0.8.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wgpu-core 0.8.1
[INFO] finished tweaking crates.io crate wgpu-core 0.8.1
[INFO] tweaked toml for crates.io crate wgpu-core 0.8.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ron v0.6.4
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df5f2437bfe29fb962483659c05abfe7ba4cdbcf97bf0a30762f742abd20e4ed
[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" "df5f2437bfe29fb962483659c05abfe7ba4cdbcf97bf0a30762f742abd20e4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df5f2437bfe29fb962483659c05abfe7ba4cdbcf97bf0a30762f742abd20e4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5f2437bfe29fb962483659c05abfe7ba4cdbcf97bf0a30762f742abd20e4ed", kill_on_drop: false }`
[INFO] [stdout] df5f2437bfe29fb962483659c05abfe7ba4cdbcf97bf0a30762f742abd20e4ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 333b1751853818ce99c4211d7e101985423888a054d6a51720e050fe9c78bf6d
[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" "333b1751853818ce99c4211d7e101985423888a054d6a51720e050fe9c78bf6d", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking glow v0.9.0
[INFO] [stderr]     Checking inplace_it v0.3.3
[INFO] [stderr]     Checking profiling v1.0.1
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling wgpu-core v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ash v0.32.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking wgpu-types v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking gpu-alloc v0.4.7
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking gpu-descriptor v0.1.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]    Compiling generator v0.6.25
[INFO] [stderr]     Checking loom v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking naga v0.4.1
[INFO] [stderr]     Checking gfx-hal v0.8.0
[INFO] [stderr]     Checking gfx-backend-gl v0.8.1
[INFO] [stderr]     Checking gfx-backend-vulkan v0.8.0
[INFO] [stderr]     Checking gfx-backend-empty v0.8.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.41s
[INFO] running `Command { std: "docker" "inspect" "333b1751853818ce99c4211d7e101985423888a054d6a51720e050fe9c78bf6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "333b1751853818ce99c4211d7e101985423888a054d6a51720e050fe9c78bf6d", kill_on_drop: false }`
[INFO] [stdout] 333b1751853818ce99c4211d7e101985423888a054d6a51720e050fe9c78bf6d