[INFO] fetching crate lava 0.4.9...
[INFO] checking lava-0.4.9 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate lava 0.4.9 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lava 0.4.9 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lava 0.4.9
[INFO] finished tweaking crates.io crate lava 0.4.9
[INFO] tweaked toml for crates.io crate lava 0.4.9 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f40843ba3819c4cb73d3622de08d393cd779d01e5c2f19d841b4365e06fcac69
[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" "f40843ba3819c4cb73d3622de08d393cd779d01e5c2f19d841b4365e06fcac69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f40843ba3819c4cb73d3622de08d393cd779d01e5c2f19d841b4365e06fcac69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40843ba3819c4cb73d3622de08d393cd779d01e5c2f19d841b4365e06fcac69", kill_on_drop: false }`
[INFO] [stdout] f40843ba3819c4cb73d3622de08d393cd779d01e5c2f19d841b4365e06fcac69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4883279ab601709b0393b215164ff18bb3a62fe7b3c42c8e8fd87c2a2aabfa3e
[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" "4883279ab601709b0393b215164ff18bb3a62fe7b3c42c8e8fd87c2a2aabfa3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lava v0.4.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stdout]     --> src/vulkan/vk/vk_function_table.rs:1237:108
[INFO] [stdout]      |
[INFO] [stdout] 1237 | unsafe extern fn null_instance_vkCmdSetBlendConstants(command_buffer: RawVkCommandBuffer, blend_constants: [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: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stdout]     --> src/vulkan/vk/vk_function_table.rs:2158:106
[INFO] [stdout]      |
[INFO] [stdout] 2158 | unsafe extern fn null_device_vkCmdSetBlendConstants(command_buffer: RawVkCommandBuffer, blend_constants: [f32; 4]) {
[INFO] [stdout]      |                                                                                                          ^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stdout]     --> src/vulkan/vk/vk_function_table.rs:1237:108
[INFO] [stdout]      |
[INFO] [stdout] 1237 | unsafe extern fn null_instance_vkCmdSetBlendConstants(command_buffer: RawVkCommandBuffer, blend_constants: [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: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stdout]     --> src/vulkan/vk/vk_function_table.rs:2158:106
[INFO] [stdout]      |
[INFO] [stdout] 2158 | unsafe extern fn null_device_vkCmdSetBlendConstants(command_buffer: RawVkCommandBuffer, blend_constants: [f32; 4]) {
[INFO] [stdout]      |                                                                                                          ^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.08s
[INFO] running `Command { std: "docker" "inspect" "4883279ab601709b0393b215164ff18bb3a62fe7b3c42c8e8fd87c2a2aabfa3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4883279ab601709b0393b215164ff18bb3a62fe7b3c42c8e8fd87c2a2aabfa3e", kill_on_drop: false }`
[INFO] [stdout] 4883279ab601709b0393b215164ff18bb3a62fe7b3c42c8e8fd87c2a2aabfa3e