[INFO] fetching crate krust 0.0.1...
[INFO] checking krust-0.0.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate krust 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate krust 0.0.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate krust 0.0.1
[INFO] finished tweaking crates.io crate krust 0.0.1
[INFO] tweaked toml for crates.io crate krust 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7f53332acfb0399e4af6e8f3c87bf5ef02513180265a0fff6eec06d95a07f53
[INFO] running `Command { std: "docker" "start" "-a" "d7f53332acfb0399e4af6e8f3c87bf5ef02513180265a0fff6eec06d95a07f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7f53332acfb0399e4af6e8f3c87bf5ef02513180265a0fff6eec06d95a07f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f53332acfb0399e4af6e8f3c87bf5ef02513180265a0fff6eec06d95a07f53", kill_on_drop: false }`
[INFO] [stdout] d7f53332acfb0399e4af6e8f3c87bf5ef02513180265a0fff6eec06d95a07f53
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e94a72df4ffd9a904d76ea2b79eca0f301c5fd399c7e12fe09cebfa10ec4cc1
[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" "2e94a72df4ffd9a904d76ea2b79eca0f301c5fd399c7e12fe09cebfa10ec4cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking krust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias is never used: `VkPhysicalDevice`
[INFO] [stdout]   --> src/vk/types.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type VkPhysicalDevice = DispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkDevice`
[INFO] [stdout]   --> src/vk/types.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub type VkDevice = DispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkQueue`
[INFO] [stdout]   --> src/vk/types.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type VkQueue = DispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkFence`
[INFO] [stdout]   --> src/vk/types.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type VkFence = NonDispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkEvent`
[INFO] [stdout]   --> src/vk/types.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub type VkEvent = NonDispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkQueryPool`
[INFO] [stdout]   --> src/vk/types.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub type VkQueryPool = NonDispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkPipelineCache`
[INFO] [stdout]   --> src/vk/types.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub type VkPipelineCache = NonDispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkMemoryMapFlags`
[INFO] [stdout]    --> src/vk/flags.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub type VkMemoryMapFlags = VkFlags;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkQueryResultFlags`
[INFO] [stdout]    --> src/vk/flags.rs:195:1
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub type VkQueryResultFlags = VkFlags;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkDescriptorPoolResetFlags`
[INFO] [stdout]    --> src/vk/flags.rs:295:1
[INFO] [stdout]     |
[INFO] [stdout] 295 | pub type VkDescriptorPoolResetFlags = VkFlags;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkCommandPoolResetFlags`
[INFO] [stdout]    --> src/vk/flags.rs:358:1
[INFO] [stdout]     |
[INFO] [stdout] 358 | pub type VkCommandPoolResetFlags = VkFlags;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkCommandBufferResetFlags`
[INFO] [stdout]    --> src/vk/flags.rs:386:1
[INFO] [stdout]     |
[INFO] [stdout] 386 | pub type VkCommandBufferResetFlags = VkFlags;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkStencilFaceFlags`
[INFO] [stdout]    --> src/vk/flags.rs:396:1
[INFO] [stdout]     |
[INFO] [stdout] 396 | pub type VkStencilFaceFlags = VkFlags;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stdout]    --> src/vk/fns.rs:744:80
[INFO] [stdout]     |
[INFO] [stdout] 744 |     pub fn vkCmdSetBlendConstants(commandBuffer: VkCommandBuffer, blendConstants: [f32; 4]);
[INFO] [stdout]     |                                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` 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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkPhysicalDevice`
[INFO] [stdout]   --> src/vk/types.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type VkPhysicalDevice = DispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkDevice`
[INFO] [stdout]   --> src/vk/types.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub type VkDevice = DispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkQueue`
[INFO] [stdout]   --> src/vk/types.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type VkQueue = DispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkFence`
[INFO] [stdout]   --> src/vk/types.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type VkFence = NonDispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkEvent`
[INFO] [stdout]   --> src/vk/types.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub type VkEvent = NonDispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkQueryPool`
[INFO] [stdout]   --> src/vk/types.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub type VkQueryPool = NonDispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkPipelineCache`
[INFO] [stdout]   --> src/vk/types.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub type VkPipelineCache = NonDispatchableHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkMemoryMapFlags`
[INFO] [stdout]    --> src/vk/flags.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub type VkMemoryMapFlags = VkFlags;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkQueryResultFlags`
[INFO] [stdout]    --> src/vk/flags.rs:195:1
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub type VkQueryResultFlags = VkFlags;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkDescriptorPoolResetFlags`
[INFO] [stdout]    --> src/vk/flags.rs:295:1
[INFO] [stdout]     |
[INFO] [stdout] 295 | pub type VkDescriptorPoolResetFlags = VkFlags;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkCommandPoolResetFlags`
[INFO] [stdout]    --> src/vk/flags.rs:358:1
[INFO] [stdout]     |
[INFO] [stdout] 358 | pub type VkCommandPoolResetFlags = VkFlags;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkCommandBufferResetFlags`
[INFO] [stdout]    --> src/vk/flags.rs:386:1
[INFO] [stdout]     |
[INFO] [stdout] 386 | pub type VkCommandBufferResetFlags = VkFlags;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `VkStencilFaceFlags`
[INFO] [stdout]    --> src/vk/flags.rs:396:1
[INFO] [stdout]     |
[INFO] [stdout] 396 | pub type VkStencilFaceFlags = VkFlags;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stdout]    --> src/vk/fns.rs:744:80
[INFO] [stdout]     |
[INFO] [stdout] 744 |     pub fn vkCmdSetBlendConstants(commandBuffer: VkCommandBuffer, blendConstants: [f32; 4]);
[INFO] [stdout]     |                                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` 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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "2e94a72df4ffd9a904d76ea2b79eca0f301c5fd399c7e12fe09cebfa10ec4cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e94a72df4ffd9a904d76ea2b79eca0f301c5fd399c7e12fe09cebfa10ec4cc1", kill_on_drop: false }`
[INFO] [stdout] 2e94a72df4ffd9a904d76ea2b79eca0f301c5fd399c7e12fe09cebfa10ec4cc1