[INFO] fetching crate vk-sys 0.5.2...
[INFO] checking vk-sys-0.5.2 against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] extracting crate vk-sys 0.5.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate vk-sys 0.5.2 on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vk-sys 0.5.2
[INFO] finished tweaking crates.io crate vk-sys 0.5.2
[INFO] tweaked toml for crates.io crate vk-sys 0.5.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a910fed45e517fbb9fd5416483a66fbecebf6e63174975a6d81bbc4e1ed2057
[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" "5a910fed45e517fbb9fd5416483a66fbecebf6e63174975a6d81bbc4e1ed2057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a910fed45e517fbb9fd5416483a66fbecebf6e63174975a6d81bbc4e1ed2057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a910fed45e517fbb9fd5416483a66fbecebf6e63174975a6d81bbc4e1ed2057", kill_on_drop: false }`
[INFO] [stdout] 5a910fed45e517fbb9fd5416483a66fbecebf6e63174975a6d81bbc4e1ed2057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75fc4d150a316696f23b5cfb30be3ac3ccc46155162417b5c8a9547ad0a1a9f4
[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" "75fc4d150a316696f23b5cfb30be3ac3ccc46155162417b5c8a9547ad0a1a9f4", kill_on_drop: false }`
[INFO] [stderr]     Checking vk-sys v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:2923:76
[INFO] [stdout]      |
[INFO] [stdout] 2923 |     CmdSetBlendConstants => (commandBuffer: CommandBuffer, blendConstants: [f32; 4]) -> (),
[INFO] [stdout]      |                                                                            ^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:2923:76
[INFO] [stdout]      |
[INFO] [stdout] 2923 |     CmdSetBlendConstants => (commandBuffer: CommandBuffer, blendConstants: [f32; 4]) -> (),
[INFO] [stdout]      |                                                                            ^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "75fc4d150a316696f23b5cfb30be3ac3ccc46155162417b5c8a9547ad0a1a9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75fc4d150a316696f23b5cfb30be3ac3ccc46155162417b5c8a9547ad0a1a9f4", kill_on_drop: false }`
[INFO] [stdout] 75fc4d150a316696f23b5cfb30be3ac3ccc46155162417b5c8a9547ad0a1a9f4