[INFO] cloning repository https://github.com/Vnad1/RTorch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vnad1/RTorch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVnad1%2FRTorch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVnad1%2FRTorch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 825f0feff95c293244d00e9241c14f1200e3fb49
[INFO] checking Vnad1/RTorch against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVnad1%2FRTorch" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Vnad1/RTorch
[INFO] finished tweaking git repo https://github.com/Vnad1/RTorch
[INFO] tweaked toml for git repo https://github.com/Vnad1/RTorch written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Vnad1/RTorch on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Vnad1/RTorch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ec5e80bb2ff534a8b529a1bbcb25e5a38c29beb841d4a81301a13d18258e9501
[INFO] running `Command { std: "docker" "start" "ec5e80bb2ff534a8b529a1bbcb25e5a38c29beb841d4a81301a13d18258e9501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec5e80bb2ff534a8b529a1bbcb25e5a38c29beb841d4a81301a13d18258e9501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ec5e80bb2ff534a8b529a1bbcb25e5a38c29beb841d4a81301a13d18258e9501" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec5e80bb2ff534a8b529a1bbcb25e5a38c29beb841d4a81301a13d18258e9501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ec5e80bb2ff534a8b529a1bbcb25e5a38c29beb841d4a81301a13d18258e9501" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtorch v2696.9.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: rtorch@2696.9.7: RTorch engine build needs MinGW g++ and a Vulkan SDK. g++=NOT FOUND VULKAN_SDK=NOT FOUND
[INFO] [stderr] warning: rtorch@2696.9.7: Skipping engine DLL (CPU-only build). Set VULKAN_SDK / RTORCH_GXX to enable.
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/loc.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/formula.rs:248:22
[INFO] [stdout]     |
[INFO] [stdout] 248 |             unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/formula.rs:256:18
[INFO] [stdout]     |
[INFO] [stdout] 256 |         unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                  ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/formula.rs:264:18
[INFO] [stdout]     |
[INFO] [stdout] 264 |         unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                  ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/formula.rs:267:18
[INFO] [stdout]     |
[INFO] [stdout] 267 |         unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                  ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `encode_wide` found for reference `&OsStr` in the current scope
[INFO] [stdout]    --> src/formula.rs:277:10
[INFO] [stdout]     |
[INFO] [stdout] 275 |     let wpath: Vec<u16> = dll
[INFO] [stdout] 276 |         .as_os_str()
[INFO] [stdout] 277 |         .encode_wide()
[INFO] [stdout]     |          ^^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `LoadLibraryW` in this scope
[INFO] [stdout]    --> src/formula.rs:280:27
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let handle = unsafe { LoadLibraryW(wpath.as_ptr()) };
[INFO] [stdout]     |                           ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `GetProcAddress` in this scope
[INFO] [stdout]    --> src/formula.rs:289:22
[INFO] [stdout]     |
[INFO] [stdout] 289 |     let p = unsafe { GetProcAddress(handle, cname.as_ptr() as *const u8) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/formula.rs:382:18
[INFO] [stdout]     |
[INFO] [stdout] 382 |         unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                  ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/formula.rs:441:14
[INFO] [stdout]     |
[INFO] [stdout] 441 |     unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |              ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `LoadLibraryW` in this scope
[INFO] [stdout]   --> src/vk.rs:49:14
[INFO] [stdout]    |
[INFO] [stdout] 49 |     unsafe { LoadLibraryW(w.as_ptr()) }
[INFO] [stdout]    |              ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/loc.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `GetProcAddress` in this scope
[INFO] [stdout]   --> src/vk.rs:84:22
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let p = unsafe { GetProcAddress(h, c.as_ptr() as *const u8) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/vk.rs:122:26
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/vk.rs:145:22
[INFO] [stdout]     |
[INFO] [stdout] 145 |             unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/vk.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |             FreeLibrary(self.engine.handle);
[INFO] [stdout]     |             ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/vk.rs:305:26
[INFO] [stdout]     |
[INFO] [stdout] 305 |                 unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/vk.rs:313:22
[INFO] [stdout]     |
[INFO] [stdout] 313 |             unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/vk.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |             FreeLibrary(self.handle);
[INFO] [stdout]     |             ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/autograd.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let n = ad.data.len();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formula.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let mut path = env::var("PATH").unwrap_or_default();
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r0`
[INFO] [stdout]    --> src/gpu_tensor.rs:344:27
[INFO] [stdout]     |
[INFO] [stdout] 344 | fn tile_rows(src: &[f32], r0: usize, c0: usize, r: usize) -> Vec<f32> {
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_r0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/gpu_tensor.rs:546:9
[INFO] [stdout]     |
[INFO] [stdout] 546 |     let params = u32_bytes(&[m as u32, n as u32, k as u32]);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/gvar.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn wrap(ctx: Rc<GpuContext>, t: GpuTensor, p: GVarNode) -> GVar {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/ops.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn gpu_to_tensor(ctx: &Rc<GpuContext>, g: &gpu_tensor::GpuTensor) -> Result<Tensor, String> {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/formula.rs:248:22
[INFO] [stdout]     |
[INFO] [stdout] 248 |             unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/formula.rs:256:18
[INFO] [stdout]     |
[INFO] [stdout] 256 |         unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                  ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/formula.rs:264:18
[INFO] [stdout]     |
[INFO] [stdout] 264 |         unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                  ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/formula.rs:267:18
[INFO] [stdout]     |
[INFO] [stdout] 267 |         unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                  ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: rtorch@2696.9.7: RTorch engine build needs MinGW g++ and a Vulkan SDK. g++=NOT FOUND VULKAN_SDK=NOT FOUND
[INFO] [stderr] warning: rtorch@2696.9.7: Skipping engine DLL (CPU-only build). Set VULKAN_SDK / RTORCH_GXX to enable.
[INFO] [stderr] error: could not compile `rtorch` (lib) due to 17 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `encode_wide` found for reference `&OsStr` in the current scope
[INFO] [stdout]    --> src/formula.rs:277:10
[INFO] [stdout]     |
[INFO] [stdout] 275 |     let wpath: Vec<u16> = dll
[INFO] [stdout] 276 |         .as_os_str()
[INFO] [stdout] 277 |         .encode_wide()
[INFO] [stdout]     |          ^^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `LoadLibraryW` in this scope
[INFO] [stdout]    --> src/formula.rs:280:27
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let handle = unsafe { LoadLibraryW(wpath.as_ptr()) };
[INFO] [stdout]     |                           ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `GetProcAddress` in this scope
[INFO] [stdout]    --> src/formula.rs:289:22
[INFO] [stdout]     |
[INFO] [stdout] 289 |     let p = unsafe { GetProcAddress(handle, cname.as_ptr() as *const u8) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/formula.rs:382:18
[INFO] [stdout]     |
[INFO] [stdout] 382 |         unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                  ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/formula.rs:441:14
[INFO] [stdout]     |
[INFO] [stdout] 441 |     unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |              ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `LoadLibraryW` in this scope
[INFO] [stdout]   --> src/vk.rs:49:14
[INFO] [stdout]    |
[INFO] [stdout] 49 |     unsafe { LoadLibraryW(w.as_ptr()) }
[INFO] [stdout]    |              ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `GetProcAddress` in this scope
[INFO] [stdout]   --> src/vk.rs:84:22
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let p = unsafe { GetProcAddress(h, c.as_ptr() as *const u8) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/vk.rs:122:26
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/vk.rs:145:22
[INFO] [stdout]     |
[INFO] [stdout] 145 |             unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/vk.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |             FreeLibrary(self.engine.handle);
[INFO] [stdout]     |             ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/vk.rs:305:26
[INFO] [stdout]     |
[INFO] [stdout] 305 |                 unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/vk.rs:313:22
[INFO] [stdout]     |
[INFO] [stdout] 313 |             unsafe { FreeLibrary(handle) };
[INFO] [stdout]     |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FreeLibrary` in this scope
[INFO] [stdout]    --> src/vk.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |             FreeLibrary(self.handle);
[INFO] [stdout]     |             ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/autograd.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let n = ad.data.len();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formula.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let mut path = env::var("PATH").unwrap_or_default();
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r0`
[INFO] [stdout]    --> src/gpu_tensor.rs:344:27
[INFO] [stdout]     |
[INFO] [stdout] 344 | fn tile_rows(src: &[f32], r0: usize, c0: usize, r: usize) -> Vec<f32> {
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_r0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/gpu_tensor.rs:546:9
[INFO] [stdout]     |
[INFO] [stdout] 546 |     let params = u32_bytes(&[m as u32, n as u32, k as u32]);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/gvar.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn wrap(ctx: Rc<GpuContext>, t: GpuTensor, p: GVarNode) -> GVar {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/ops.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn gpu_to_tensor(ctx: &Rc<GpuContext>, g: &gpu_tensor::GpuTensor) -> Result<Tensor, String> {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] warning: rtorch@2696.9.7: RTorch engine build needs MinGW g++ and a Vulkan SDK. g++=NOT FOUND VULKAN_SDK=NOT FOUND
[INFO] [stderr] warning: rtorch@2696.9.7: Skipping engine DLL (CPU-only build). Set VULKAN_SDK / RTORCH_GXX to enable.
[INFO] [stderr] error: could not compile `rtorch` (lib test) due to 17 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ec5e80bb2ff534a8b529a1bbcb25e5a38c29beb841d4a81301a13d18258e9501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5e80bb2ff534a8b529a1bbcb25e5a38c29beb841d4a81301a13d18258e9501", kill_on_drop: false }`
[INFO] [stdout] ec5e80bb2ff534a8b529a1bbcb25e5a38c29beb841d4a81301a13d18258e9501
