[INFO] fetching crate nobs-vk 0.2.0...
[INFO] testing nobs-vk-0.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate nobs-vk 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate nobs-vk 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nobs-vk 0.2.0
[INFO] tweaked toml for crates.io crate nobs-vk 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nobs-vk 0.2.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86f7819994332df52c486fcb43e3075afa55b26dc56cb26d58e2a11764c09a4d
[INFO] running `Command { std: "docker" "start" "-a" "86f7819994332df52c486fcb43e3075afa55b26dc56cb26d58e2a11764c09a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f7819994332df52c486fcb43e3075afa55b26dc56cb26d58e2a11764c09a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f7819994332df52c486fcb43e3075afa55b26dc56cb26d58e2a11764c09a4d", kill_on_drop: false }`
[INFO] [stdout] 86f7819994332df52c486fcb43e3075afa55b26dc56cb26d58e2a11764c09a4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63733097d33efb6a7616953e24b70c72109eb10b3bcfc66fa3298ba1bb2e6b8c
[INFO] running `Command { std: "docker" "start" "-a" "63733097d33efb6a7616953e24b70c72109eb10b3bcfc66fa3298ba1bb2e6b8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling nobs-vk v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device/physical_device.rs:79:43
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut features = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device/physical_device.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut properties = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:7371:95
[INFO] [stdout]      |
[INFO] [stdout] 7371 | extern "system" fn CmdSetBlendConstants_panic(_commandBuffer: CommandBuffer, _blendConstants: [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]      = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `PhysicalDeviceFeatures` does not permit being left uninitialized
[INFO] [stdout]     --> src/device/physical_device.rs:79:33
[INFO] [stdout]      |
[INFO] [stdout]   79 |     let mut features = unsafe { std::mem::uninitialized() };
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                 |
[INFO] [stdout]      |                                 this code causes undefined behavior when executed
[INFO] [stdout]      |                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:3231:3
[INFO] [stdout]      |
[INFO] [stdout] 3231 |   pub robustBufferAccess: Bool32,
[INFO] [stdout]      |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `PhysicalDeviceProperties` does not permit being left uninitialized
[INFO] [stdout]     --> src/device/physical_device.rs:82:35
[INFO] [stdout]      |
[INFO] [stdout]   82 |     let mut properties = unsafe { std::mem::uninitialized() };
[INFO] [stdout]      |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                   |
[INFO] [stdout]      |                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:2262:3
[INFO] [stdout]      |
[INFO] [stdout] 2262 |   pub apiVersion: u32,
[INFO] [stdout]      |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stdout]   --> src/instance.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 |       if !(ptr as *const c_void).is_null() {
[INFO] [stdout]    |           ^---^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            expression has type `extern "system" fn()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stdout]    = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stdout]    --> src/instance.rs:300:11
[INFO] [stdout]     |
[INFO] [stdout] 300 |       if !(ptr as *const c_void).is_null() {
[INFO] [stdout]     |           ^---^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            expression has type `extern "system" fn()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "63733097d33efb6a7616953e24b70c72109eb10b3bcfc66fa3298ba1bb2e6b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63733097d33efb6a7616953e24b70c72109eb10b3bcfc66fa3298ba1bb2e6b8c", kill_on_drop: false }`
[INFO] [stdout] 63733097d33efb6a7616953e24b70c72109eb10b3bcfc66fa3298ba1bb2e6b8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99e9b2f7ade83ea894966a4840af0d27c7224c56781e846054c3e1dde4c4e089
[INFO] running `Command { std: "docker" "start" "-a" "99e9b2f7ade83ea894966a4840af0d27c7224c56781e846054c3e1dde4c4e089", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device/physical_device.rs:79:43
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut features = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device/physical_device.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut properties = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:7371:95
[INFO] [stdout]      |
[INFO] [stdout] 7371 | extern "system" fn CmdSetBlendConstants_panic(_commandBuffer: CommandBuffer, _blendConstants: [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]      = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `PhysicalDeviceFeatures` does not permit being left uninitialized
[INFO] [stdout]     --> src/device/physical_device.rs:79:33
[INFO] [stdout]      |
[INFO] [stdout]   79 |     let mut features = unsafe { std::mem::uninitialized() };
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                 |
[INFO] [stdout]      |                                 this code causes undefined behavior when executed
[INFO] [stdout]      |                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:3231:3
[INFO] [stdout]      |
[INFO] [stdout] 3231 |   pub robustBufferAccess: Bool32,
[INFO] [stdout]      |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `PhysicalDeviceProperties` does not permit being left uninitialized
[INFO] [stdout]     --> src/device/physical_device.rs:82:35
[INFO] [stdout]      |
[INFO] [stdout]   82 |     let mut properties = unsafe { std::mem::uninitialized() };
[INFO] [stdout]      |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                   |
[INFO] [stdout]      |                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:2262:3
[INFO] [stdout]      |
[INFO] [stdout] 2262 |   pub apiVersion: u32,
[INFO] [stdout]      |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nobs-vk v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stdout]   --> src/instance.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 |       if !(ptr as *const c_void).is_null() {
[INFO] [stdout]    |           ^---^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            expression has type `extern "system" fn()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stdout]    = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stdout]    --> src/instance.rs:300:11
[INFO] [stdout]     |
[INFO] [stdout] 300 |       if !(ptr as *const c_void).is_null() {
[INFO] [stdout]     |           ^---^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            expression has type `extern "system" fn()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> examples/info.rs:53:63
[INFO] [stdout]    |
[INFO] [stdout] 53 |   let mut props: vk::PhysicalDeviceProperties = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `PhysicalDeviceProperties` does not permit being left uninitialized
[INFO] [stdout]   --> examples/info.rs:53:58
[INFO] [stdout]    |
[INFO] [stdout] 53 |   let mut props: vk::PhysicalDeviceProperties = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                          |
[INFO] [stdout]    |                                                          this code causes undefined behavior when executed
[INFO] [stdout]    |                                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device/physical_device.rs:79:43
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut features = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device/physical_device.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut properties = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:7371:95
[INFO] [stdout]      |
[INFO] [stdout] 7371 | extern "system" fn CmdSetBlendConstants_panic(_commandBuffer: CommandBuffer, _blendConstants: [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]      = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `PhysicalDeviceFeatures` does not permit being left uninitialized
[INFO] [stdout]     --> src/device/physical_device.rs:79:33
[INFO] [stdout]      |
[INFO] [stdout]   79 |     let mut features = unsafe { std::mem::uninitialized() };
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                 |
[INFO] [stdout]      |                                 this code causes undefined behavior when executed
[INFO] [stdout]      |                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:3231:3
[INFO] [stdout]      |
[INFO] [stdout] 3231 |   pub robustBufferAccess: Bool32,
[INFO] [stdout]      |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `PhysicalDeviceProperties` does not permit being left uninitialized
[INFO] [stdout]     --> src/device/physical_device.rs:82:35
[INFO] [stdout]      |
[INFO] [stdout]   82 |     let mut properties = unsafe { std::mem::uninitialized() };
[INFO] [stdout]      |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                   |
[INFO] [stdout]      |                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:2262:3
[INFO] [stdout]      |
[INFO] [stdout] 2262 |   pub apiVersion: u32,
[INFO] [stdout]      |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stdout]   --> src/instance.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 |       if !(ptr as *const c_void).is_null() {
[INFO] [stdout]    |           ^---^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            expression has type `extern "system" fn()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stdout]    = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stdout]    --> src/instance.rs:300:11
[INFO] [stdout]     |
[INFO] [stdout] 300 |       if !(ptr as *const c_void).is_null() {
[INFO] [stdout]     |           ^---^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            expression has type `extern "system" fn()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "99e9b2f7ade83ea894966a4840af0d27c7224c56781e846054c3e1dde4c4e089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e9b2f7ade83ea894966a4840af0d27c7224c56781e846054c3e1dde4c4e089", kill_on_drop: false }`
[INFO] [stdout] 99e9b2f7ade83ea894966a4840af0d27c7224c56781e846054c3e1dde4c4e089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 47801d6214e6c350e28006aa3f5c2f79e2debbb72285b4e4b70ec009935b8489
[INFO] running `Command { std: "docker" "start" "-a" "47801d6214e6c350e28006aa3f5c2f79e2debbb72285b4e4b70ec009935b8489", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/device/physical_device.rs:79:43
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut features = unsafe { std::mem::uninitialized() };
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/device/physical_device.rs:82:45
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut properties = unsafe { std::mem::uninitialized() };
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[f32; 4]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:7371:95
[INFO] [stderr]      |
[INFO] [stderr] 7371 | extern "system" fn CmdSetBlendConstants_panic(_commandBuffer: CommandBuffer, _blendConstants: [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]      = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `PhysicalDeviceFeatures` does not permit being left uninitialized
[INFO] [stderr]     --> src/device/physical_device.rs:79:33
[INFO] [stderr]      |
[INFO] [stderr]   79 |     let mut features = unsafe { std::mem::uninitialized() };
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                 |
[INFO] [stderr]      |                                 this code causes undefined behavior when executed
[INFO] [stderr]      |                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:3231:3
[INFO] [stderr]      |
[INFO] [stderr] 3231 |   pub robustBufferAccess: Bool32,
[INFO] [stderr]      |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `PhysicalDeviceProperties` does not permit being left uninitialized
[INFO] [stderr]     --> src/device/physical_device.rs:82:35
[INFO] [stderr]      |
[INFO] [stderr]   82 |     let mut properties = unsafe { std::mem::uninitialized() };
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                   |
[INFO] [stderr]      |                                   this code causes undefined behavior when executed
[INFO] [stderr]      |                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:2262:3
[INFO] [stderr]      |
[INFO] [stderr] 2262 |   pub apiVersion: u32,
[INFO] [stderr]      |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stderr]   --> src/instance.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 |       if !(ptr as *const c_void).is_null() {
[INFO] [stderr]    |           ^---^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            expression has type `extern "system" fn()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stderr]    = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stderr]    --> src/instance.rs:300:11
[INFO] [stderr]     |
[INFO] [stderr] 300 |       if !(ptr as *const c_void).is_null() {
[INFO] [stderr]     |           ^---^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            expression has type `extern "system" fn()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stderr] 
[INFO] [stderr] warning: `nobs-vk` (lib) generated 7 warnings
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> examples/info.rs:53:63
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let mut props: vk::PhysicalDeviceProperties = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `PhysicalDeviceProperties` does not permit being left uninitialized
[INFO] [stderr]   --> examples/info.rs:53:58
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let mut props: vk::PhysicalDeviceProperties = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                                          |
[INFO] [stderr]    |                                                          this code causes undefined behavior when executed
[INFO] [stderr]    |                                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nobs-vk` (example "info") generated 2 warnings
[INFO] [stderr] warning: `nobs-vk` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nobs_vk-847a0a679800e459)
[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 nobs_vk
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - VkLib::new (line 8357) ... ok
[INFO] [stdout] test src/lib.rs - VkLib::new (line 8353) ... ok
[INFO] [stdout] test src/lib.rs - vk_check (line 13297) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... FAILED
[INFO] [stdout] test src/instance.rs - instance::Builder (line 71) ... ok
[INFO] [stdout] test src/device/device.rs - device::device::Builder (line 55) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] test src/device/physical_device.rs - device::physical_device::PhysicalDevice::enumerate_all (line 99) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 28) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (225) panicked at src/lib.rs:19:1:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 1
[INFO] [stdout]  right: 3
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56d1c4522312 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56d1c4522312 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56d1c4522312 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56d1c4522312 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56d1c453110f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x56d1c453110f - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x56d1c4501143 - std::io::default_write_fmt::hb29d13affe7e9cd0
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56d1c4501143 - std::io::Write::write_fmt::hec441b8c6eca32b9
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x56d1c4505fa2 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x56d1c450782c - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x56d1c4507686 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x56d1c4507e05 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x56d1c4507c9a - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x56d1c45060d9 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x56d1c44f5bad - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x56d1c45343e0 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x56d1c45341e3 - core::panicking::assert_failed_inner::hbdde3a71af798a31
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:444:17
[INFO] [stdout]   17:     0x56d1c44ddf67 - core::panicking::assert_failed::hdc2cad70250f9ffb
[INFO] [stdout]   18:     0x56d1c44de09c - rust_out::main::h583ff58340d718d9
[INFO] [stdout]   19:     0x56d1c44ddee3 - core::ops::function::FnOnce::call_once::h14c180921ac1da5e
[INFO] [stdout]   20:     0x56d1c44dde36 - std::sys::backtrace::__rust_begin_short_backtrace::h6b98eb9b1ad88857
[INFO] [stdout]   21:     0x56d1c44dde19 - std::rt::lang_start::{{closure}}::h2fc95fa84f0c83a2
[INFO] [stdout]   22:     0x56d1c4502000 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9095abc9db71b07e
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x56d1c4502000 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24:     0x56d1c4502000 - std::panicking::catch_unwind::h60074fd2327f40bd
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25:     0x56d1c4502000 - std::panic::catch_unwind::heb14fa8e39d051cf
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x56d1c4502000 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x56d1c4502000 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x56d1c4502000 - std::panicking::catch_unwind::hb8d32f0195463ad2
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x56d1c4502000 - std::panic::catch_unwind::hcebe3b1d5adfc5a2
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x56d1c4502000 - std::rt::lang_start_internal::h27f55ed238aa26df
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x56d1c44dde01 - std::rt::lang_start::h762c340aaede70f7
[INFO] [stdout]   32:     0x56d1c44de135 - main
[INFO] [stdout]   33:     0x7b094efad1ca - <unknown>
[INFO] [stdout]   34:     0x7b094efad28b - __libc_start_main
[INFO] [stdout]   35:     0x56d1c44ddd15 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 28)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "47801d6214e6c350e28006aa3f5c2f79e2debbb72285b4e4b70ec009935b8489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47801d6214e6c350e28006aa3f5c2f79e2debbb72285b4e4b70ec009935b8489", kill_on_drop: false }`
[INFO] [stdout] 47801d6214e6c350e28006aa3f5c2f79e2debbb72285b4e4b70ec009935b8489
