[INFO] fetching crate lava 0.4.9...
[INFO] testing lava-0.4.9 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lava 0.4.9 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate lava 0.4.9 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d7df886ffde9d72840ced54942155fe52979a3f790c0f23cfec3b321a6435e8
[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" "0d7df886ffde9d72840ced54942155fe52979a3f790c0f23cfec3b321a6435e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d7df886ffde9d72840ced54942155fe52979a3f790c0f23cfec3b321a6435e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7df886ffde9d72840ced54942155fe52979a3f790c0f23cfec3b321a6435e8", kill_on_drop: false }`
[INFO] [stdout] 0d7df886ffde9d72840ced54942155fe52979a3f790c0f23cfec3b321a6435e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb4faa411e0896f1edae0355b89d18907eb78a35078fd6c28f6e6c154f662e93
[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" "fb4faa411e0896f1edae0355b89d18907eb78a35078fd6c28f6e6c154f662e93", 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.18s
[INFO] running `Command { std: "docker" "inspect" "fb4faa411e0896f1edae0355b89d18907eb78a35078fd6c28f6e6c154f662e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4faa411e0896f1edae0355b89d18907eb78a35078fd6c28f6e6c154f662e93", kill_on_drop: false }`
[INFO] [stdout] fb4faa411e0896f1edae0355b89d18907eb78a35078fd6c28f6e6c154f662e93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c06ca38b611cef449684cbaa5a0fed0b59dae059020d93acfad33bf22daa379
[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" "3c06ca38b611cef449684cbaa5a0fed0b59dae059020d93acfad33bf22daa379", 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: 2 warnings emitted
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.77s
[INFO] running `Command { std: "docker" "inspect" "3c06ca38b611cef449684cbaa5a0fed0b59dae059020d93acfad33bf22daa379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c06ca38b611cef449684cbaa5a0fed0b59dae059020d93acfad33bf22daa379", kill_on_drop: false }`
[INFO] [stdout] 3c06ca38b611cef449684cbaa5a0fed0b59dae059020d93acfad33bf22daa379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 188e90a0134ec1119a822caafbb5336959bdc3844369e62736bb19759bd4655b
[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" "188e90a0134ec1119a822caafbb5336959bdc3844369e62736bb19759bd4655b", kill_on_drop: false }`
[INFO] [stderr] warning: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stderr]     --> src/vulkan/vk/vk_function_table.rs:1237:108
[INFO] [stderr]      |
[INFO] [stderr] 1237 | unsafe extern fn null_instance_vkCmdSetBlendConstants(command_buffer: RawVkCommandBuffer, blend_constants: [f32; 4]) {
[INFO] [stderr]      |                                                                                                            ^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stderr]     --> src/vulkan/vk/vk_function_table.rs:2158:106
[INFO] [stderr]      |
[INFO] [stderr] 2158 | unsafe extern fn null_device_vkCmdSetBlendConstants(command_buffer: RawVkCommandBuffer, blend_constants: [f32; 4]) {
[INFO] [stderr]      |                                                                                                          ^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stderr]     --> src/vulkan/vk/vk_function_table.rs:1237:108
[INFO] [stderr]      |
[INFO] [stderr] 1237 | unsafe extern fn null_instance_vkCmdSetBlendConstants(command_buffer: RawVkCommandBuffer, blend_constants: [f32; 4]) {
[INFO] [stderr]      |                                                                                                            ^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stderr]     --> src/vulkan/vk/vk_function_table.rs:2158:106
[INFO] [stderr]      |
[INFO] [stderr] 2158 | unsafe extern fn null_device_vkCmdSetBlendConstants(command_buffer: RawVkCommandBuffer, blend_constants: [f32; 4]) {
[INFO] [stderr]      |                                                                                                          ^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lava-f888b708abef2fb3
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lava
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name lava -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lava=/opt/rustwide/target/debug/deps/liblava-802f48b5b17ebec0.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "188e90a0134ec1119a822caafbb5336959bdc3844369e62736bb19759bd4655b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188e90a0134ec1119a822caafbb5336959bdc3844369e62736bb19759bd4655b", kill_on_drop: false }`
[INFO] [stdout] 188e90a0134ec1119a822caafbb5336959bdc3844369e62736bb19759bd4655b