[INFO] fetching crate lava 0.4.9...
[INFO] testing lava-0.4.9 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lava 0.4.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lava 0.4.9 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6e772dc54d355e5f105844e7800e2c6ab45d06dbdfca4141e909f4b99473aaf
[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" "a6e772dc54d355e5f105844e7800e2c6ab45d06dbdfca4141e909f4b99473aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6e772dc54d355e5f105844e7800e2c6ab45d06dbdfca4141e909f4b99473aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e772dc54d355e5f105844e7800e2c6ab45d06dbdfca4141e909f4b99473aaf", kill_on_drop: false }`
[INFO] [stdout] a6e772dc54d355e5f105844e7800e2c6ab45d06dbdfca4141e909f4b99473aaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", 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] 224cf3454fce7c4695fe87fca28426752141bd7c46e3e3a8cf2c7c5a44a5b754
[INFO] running `Command { std: "docker" "start" "-a" "224cf3454fce7c4695fe87fca28426752141bd7c46e3e3a8cf2c7c5a44a5b754", 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 15.81s
[INFO] running `Command { std: "docker" "inspect" "224cf3454fce7c4695fe87fca28426752141bd7c46e3e3a8cf2c7c5a44a5b754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224cf3454fce7c4695fe87fca28426752141bd7c46e3e3a8cf2c7c5a44a5b754", kill_on_drop: false }`
[INFO] [stdout] 224cf3454fce7c4695fe87fca28426752141bd7c46e3e3a8cf2c7c5a44a5b754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd12749547325f62b41000219b09343c6cdc9f8328974ac77fa358509496a103
[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" "cd12749547325f62b41000219b09343c6cdc9f8328974ac77fa358509496a103", kill_on_drop: false }`
[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] [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: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 9.17s
[INFO] running `Command { std: "docker" "inspect" "cd12749547325f62b41000219b09343c6cdc9f8328974ac77fa358509496a103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd12749547325f62b41000219b09343c6cdc9f8328974ac77fa358509496a103", kill_on_drop: false }`
[INFO] [stdout] cd12749547325f62b41000219b09343c6cdc9f8328974ac77fa358509496a103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 637e3d7a04ffc37cf31227763e79307b2c0da9ed780062a8f3e90276a1a399dc
[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" "637e3d7a04ffc37cf31227763e79307b2c0da9ed780062a8f3e90276a1a399dc", 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: `lava` (lib) generated 2 warnings
[INFO] [stderr] warning: `lava` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lava-b2fd624e86ecdb2c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lava
[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 --crate-name lava --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lava=/opt/rustwide/target/debug/deps/liblava-6cd25d306542e076.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "637e3d7a04ffc37cf31227763e79307b2c0da9ed780062a8f3e90276a1a399dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "637e3d7a04ffc37cf31227763e79307b2c0da9ed780062a8f3e90276a1a399dc", kill_on_drop: false }`
[INFO] [stdout] 637e3d7a04ffc37cf31227763e79307b2c0da9ed780062a8f3e90276a1a399dc