[INFO] fetching crate wgpu-core 0.6.3...
[INFO] checking wgpu-core-0.6.3 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate wgpu-core 0.6.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wgpu-core 0.6.3 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f7e5a84ea12fcb94a065bf005378263e42865006f335321b5f4010c66b5def6
[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" "4f7e5a84ea12fcb94a065bf005378263e42865006f335321b5f4010c66b5def6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f7e5a84ea12fcb94a065bf005378263e42865006f335321b5f4010c66b5def6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7e5a84ea12fcb94a065bf005378263e42865006f335321b5f4010c66b5def6", kill_on_drop: false }`
[INFO] [stdout] 4f7e5a84ea12fcb94a065bf005378263e42865006f335321b5f4010c66b5def6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f148cf3eb03cd4785b9ff6226f299f998656f7ebd62f36f191c6f660b591a8c3
[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" "f148cf3eb03cd4785b9ff6226f299f998656f7ebd62f36f191c6f660b591a8c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking libloading v0.6.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling generator v0.6.22
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking loom v0.3.5
[INFO] [stderr]     Checking naga v0.2.0
[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]     Checking gfx-backend-vulkan v0.6.1
[INFO] [stderr]     Checking wgpu-core v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "f148cf3eb03cd4785b9ff6226f299f998656f7ebd62f36f191c6f660b591a8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f148cf3eb03cd4785b9ff6226f299f998656f7ebd62f36f191c6f660b591a8c3", kill_on_drop: false }`
[INFO] [stdout] f148cf3eb03cd4785b9ff6226f299f998656f7ebd62f36f191c6f660b591a8c3