[INFO] crate cuda_dnn 0.1.1 is already in cache
[INFO] checking cuda_dnn-0.1.1 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate cuda_dnn 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cuda_dnn 0.1.1 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cuda_dnn 0.1.1
[INFO] finished tweaking crates.io crate cuda_dnn 0.1.1
[INFO] tweaked toml for crates.io crate cuda_dnn 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77e52b8d46e49733d4fac148fc00b9580ee2ef848ed7598060c4e4c7685e753b
[INFO] running `"docker" "start" "-a" "77e52b8d46e49733d4fac148fc00b9580ee2ef848ed7598060c4e4c7685e753b"`
[INFO] [stderr]     Checking float v0.1.2
[INFO] [stderr]     Checking cuda v0.1.0
[INFO] [stderr]     Checking cuda_dnn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]    --> src/v5/mod.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |     let status = unsafe { cudnnFindConvolutionForwardAlgorithm(
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]    --> src/v5/mod.rs:460:9
[INFO] [stderr]     |
[INFO] [stderr] 460 |     let status = unsafe { cudnnFindConvolutionBackwardFilterAlgorithm(
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]    --> src/v5/mod.rs:604:9
[INFO] [stderr]     |
[INFO] [stderr] 604 |     let status = unsafe { cudnnFindConvolutionBackwardDataAlgorithm(
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:323:25
[INFO] [stderr]     |
[INFO] [stderr] 323 |   pub fn create_fastest(mut src_desc: CudnnTensorDesc<f32>, filter_desc: CudnnFilterDesc<f32>, conv_desc: CudnnConvDesc, mut dst_desc: CudnnTensorDesc<f32>, handle: &CudnnHandle) -> CudnnResult<CudnnConvFwdOp> {
[INFO] [stderr]     |                         ----^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:323:122
[INFO] [stderr]     |
[INFO] [stderr] 323 |   pub fn create_fastest(mut src_desc: CudnnTensorDesc<f32>, filter_desc: CudnnFilterDesc<f32>, conv_desc: CudnnConvDesc, mut dst_desc: CudnnTensorDesc<f32>, handle: &CudnnHandle) -> CudnnResult<CudnnConvFwdOp> {
[INFO] [stderr]     |                                                                                                                          ----^^^^^^^^
[INFO] [stderr]     |                                                                                                                          |
[INFO] [stderr]     |                                                                                                                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:457:25
[INFO] [stderr]     |
[INFO] [stderr] 457 |   pub fn create_fastest(mut src_desc: CudnnTensorDesc<f32>, mut diff_desc: CudnnTensorDesc<f32>, conv_desc: CudnnConvDesc, grad_filter_desc: CudnnFilterDesc<f32>, grad_bias_desc: CudnnTensorDesc<f32>, handle: &CudnnHandle) -> CudnnResult<CudnnConvBwdFilterOp> {
[INFO] [stderr]     |                         ----^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:457:61
[INFO] [stderr]     |
[INFO] [stderr] 457 |   pub fn create_fastest(mut src_desc: CudnnTensorDesc<f32>, mut diff_desc: CudnnTensorDesc<f32>, conv_desc: CudnnConvDesc, grad_filter_desc: CudnnFilterDesc<f32>, grad_bias_desc: CudnnTensorDesc<f32>, handle: &CudnnHandle) -> CudnnResult<CudnnConvBwdFilterOp> {
[INFO] [stderr]     |                                                             ----^^^^^^^^^
[INFO] [stderr]     |                                                             |
[INFO] [stderr]     |                                                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:509:9
[INFO] [stderr]     |
[INFO] [stderr] 509 |     let mut status = cudnnStatus_t::Success;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:601:60
[INFO] [stderr]     |
[INFO] [stderr] 601 |   pub fn create_fastest(filter_desc: CudnnFilterDesc<f32>, mut diff_desc: CudnnTensorDesc<f32>, conv_desc: CudnnConvDesc, mut grad_desc: CudnnTensorDesc<f32>, handle: &CudnnHandle) -> CudnnResult<CudnnConvBwdDataOp> {
[INFO] [stderr]     |                                                            ----^^^^^^^^^
[INFO] [stderr]     |                                                            |
[INFO] [stderr]     |                                                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:601:123
[INFO] [stderr]     |
[INFO] [stderr] 601 |   pub fn create_fastest(filter_desc: CudnnFilterDesc<f32>, mut diff_desc: CudnnTensorDesc<f32>, conv_desc: CudnnConvDesc, mut grad_desc: CudnnTensorDesc<f32>, handle: &CudnnHandle) -> CudnnResult<CudnnConvBwdDataOp> {
[INFO] [stderr]     |                                                                                                                           ----^^^^^^^^^
[INFO] [stderr]     |                                                                                                                           |
[INFO] [stderr]     |                                                                                                                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:652:9
[INFO] [stderr]     |
[INFO] [stderr] 652 |     let mut status = cudnnStatus_t::Success;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:417:18
[INFO] [stderr]     |
[INFO] [stderr] 417 |     let status = unsafe { cudnnConvolutionForward(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:547:18
[INFO] [stderr]     |
[INFO] [stderr] 547 |     let status = unsafe { cudnnConvolutionBackwardFilter(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:568:18
[INFO] [stderr]     |
[INFO] [stderr] 568 |     let status = unsafe { cudnnConvolutionBackwardBias(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:689:18
[INFO] [stderr]     |
[INFO] [stderr] 689 |     let status = unsafe { cudnnConvolutionBackwardData(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:755:18
[INFO] [stderr]     |
[INFO] [stderr] 755 |     let status = unsafe { cudnnAddTensor(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:809:18
[INFO] [stderr]     |
[INFO] [stderr] 809 |     let status = unsafe { cudnnActivationForward_v3(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:825:18
[INFO] [stderr]     |
[INFO] [stderr] 825 |     let status = unsafe { cudnnActivationBackward_v3(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:870:18
[INFO] [stderr]     |
[INFO] [stderr] 870 |     let status = unsafe { cudnnSoftmaxForward(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:967:18
[INFO] [stderr]     |
[INFO] [stderr] 967 |     let status = unsafe { cudnnPoolingForward(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:983:18
[INFO] [stderr]     |
[INFO] [stderr] 983 |     let status = unsafe { cudnnPoolingBackward(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/v5/mod.rs:1015:18
[INFO] [stderr]      |
[INFO] [stderr] 1015 |     let status = unsafe { cudnnTransformTensor(
[INFO] [stderr]      |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/v5/mod.rs:1084:18
[INFO] [stderr]      |
[INFO] [stderr] 1084 |     let status = unsafe { cudnnBatchNormalizationForwardInference(
[INFO] [stderr]      |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/v5/mod.rs:1121:18
[INFO] [stderr]      |
[INFO] [stderr] 1121 |     let status = unsafe { cudnnBatchNormalizationForwardTraining(
[INFO] [stderr]      |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/v5/mod.rs:1162:18
[INFO] [stderr]      |
[INFO] [stderr] 1162 |     let status = unsafe { cudnnBatchNormalizationBackward(
[INFO] [stderr]      |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `s_width`
[INFO] [stderr]   --> src/v5/mod.rs:82:3
[INFO] [stderr]    |
[INFO] [stderr] 82 |   s_width:      usize,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `s_height`
[INFO] [stderr]   --> src/v5/mod.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |   s_height:     usize,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `s_channels`
[INFO] [stderr]   --> src/v5/mod.rs:84:3
[INFO] [stderr]    |
[INFO] [stderr] 84 |   s_channels:   usize,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `s_batch_size`
[INFO] [stderr]   --> src/v5/mod.rs:85:3
[INFO] [stderr]    |
[INFO] [stderr] 85 |   s_batch_size: usize,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]    --> src/v5/mod.rs:225:3
[INFO] [stderr]     |
[INFO] [stderr] 225 |   width:        usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]    --> src/v5/mod.rs:226:3
[INFO] [stderr]     |
[INFO] [stderr] 226 |   height:       usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `in_channels`
[INFO] [stderr]    --> src/v5/mod.rs:227:3
[INFO] [stderr]     |
[INFO] [stderr] 227 |   in_channels:  usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `out_channels`
[INFO] [stderr]    --> src/v5/mod.rs:228:3
[INFO] [stderr]     |
[INFO] [stderr] 228 |   out_channels: usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stride_w`
[INFO] [stderr]    --> src/v5/mod.rs:267:3
[INFO] [stderr]     |
[INFO] [stderr] 267 |   stride_w: usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stride_h`
[INFO] [stderr]    --> src/v5/mod.rs:268:3
[INFO] [stderr]     |
[INFO] [stderr] 268 |   stride_h: usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pad_w`
[INFO] [stderr]    --> src/v5/mod.rs:269:3
[INFO] [stderr]     |
[INFO] [stderr] 269 |   pad_w:    usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pad_h`
[INFO] [stderr]    --> src/v5/mod.rs:270:3
[INFO] [stderr]     |
[INFO] [stderr] 270 |   pad_h:    usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]    --> src/v5/mod.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |     let status = unsafe { cudnnFindConvolutionForwardAlgorithm(
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]    --> src/v5/mod.rs:460:9
[INFO] [stderr]     |
[INFO] [stderr] 460 |     let status = unsafe { cudnnFindConvolutionBackwardFilterAlgorithm(
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]    --> src/v5/mod.rs:604:9
[INFO] [stderr]     |
[INFO] [stderr] 604 |     let status = unsafe { cudnnFindConvolutionBackwardDataAlgorithm(
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:323:25
[INFO] [stderr]     |
[INFO] [stderr] 323 |   pub fn create_fastest(mut src_desc: CudnnTensorDesc<f32>, filter_desc: CudnnFilterDesc<f32>, conv_desc: CudnnConvDesc, mut dst_desc: CudnnTensorDesc<f32>, handle: &CudnnHandle) -> CudnnResult<CudnnConvFwdOp> {
[INFO] [stderr]     |                         ----^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:323:122
[INFO] [stderr]     |
[INFO] [stderr] 323 |   pub fn create_fastest(mut src_desc: CudnnTensorDesc<f32>, filter_desc: CudnnFilterDesc<f32>, conv_desc: CudnnConvDesc, mut dst_desc: CudnnTensorDesc<f32>, handle: &CudnnHandle) -> CudnnResult<CudnnConvFwdOp> {
[INFO] [stderr]     |                                                                                                                          ----^^^^^^^^
[INFO] [stderr]     |                                                                                                                          |
[INFO] [stderr]     |                                                                                                                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:457:25
[INFO] [stderr]     |
[INFO] [stderr] 457 |   pub fn create_fastest(mut src_desc: CudnnTensorDesc<f32>, mut diff_desc: CudnnTensorDesc<f32>, conv_desc: CudnnConvDesc, grad_filter_desc: CudnnFilterDesc<f32>, grad_bias_desc: CudnnTensorDesc<f32>, handle: &CudnnHandle) -> CudnnResult<CudnnConvBwdFilterOp> {
[INFO] [stderr]     |                         ----^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:457:61
[INFO] [stderr]     |
[INFO] [stderr] 457 |   pub fn create_fastest(mut src_desc: CudnnTensorDesc<f32>, mut diff_desc: CudnnTensorDesc<f32>, conv_desc: CudnnConvDesc, grad_filter_desc: CudnnFilterDesc<f32>, grad_bias_desc: CudnnTensorDesc<f32>, handle: &CudnnHandle) -> CudnnResult<CudnnConvBwdFilterOp> {
[INFO] [stderr]     |                                                             ----^^^^^^^^^
[INFO] [stderr]     |                                                             |
[INFO] [stderr]     |                                                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:509:9
[INFO] [stderr]     |
[INFO] [stderr] 509 |     let mut status = cudnnStatus_t::Success;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:601:60
[INFO] [stderr]     |
[INFO] [stderr] 601 |   pub fn create_fastest(filter_desc: CudnnFilterDesc<f32>, mut diff_desc: CudnnTensorDesc<f32>, conv_desc: CudnnConvDesc, mut grad_desc: CudnnTensorDesc<f32>, handle: &CudnnHandle) -> CudnnResult<CudnnConvBwdDataOp> {
[INFO] [stderr]     |                                                            ----^^^^^^^^^
[INFO] [stderr]     |                                                            |
[INFO] [stderr]     |                                                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:601:123
[INFO] [stderr]     |
[INFO] [stderr] 601 |   pub fn create_fastest(filter_desc: CudnnFilterDesc<f32>, mut diff_desc: CudnnTensorDesc<f32>, conv_desc: CudnnConvDesc, mut grad_desc: CudnnTensorDesc<f32>, handle: &CudnnHandle) -> CudnnResult<CudnnConvBwdDataOp> {
[INFO] [stderr]     |                                                                                                                           ----^^^^^^^^^
[INFO] [stderr]     |                                                                                                                           |
[INFO] [stderr]     |                                                                                                                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/v5/mod.rs:652:9
[INFO] [stderr]     |
[INFO] [stderr] 652 |     let mut status = cudnnStatus_t::Success;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:417:18
[INFO] [stderr]     |
[INFO] [stderr] 417 |     let status = unsafe { cudnnConvolutionForward(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:547:18
[INFO] [stderr]     |
[INFO] [stderr] 547 |     let status = unsafe { cudnnConvolutionBackwardFilter(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:568:18
[INFO] [stderr]     |
[INFO] [stderr] 568 |     let status = unsafe { cudnnConvolutionBackwardBias(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:689:18
[INFO] [stderr]     |
[INFO] [stderr] 689 |     let status = unsafe { cudnnConvolutionBackwardData(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:755:18
[INFO] [stderr]     |
[INFO] [stderr] 755 |     let status = unsafe { cudnnAddTensor(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:809:18
[INFO] [stderr]     |
[INFO] [stderr] 809 |     let status = unsafe { cudnnActivationForward_v3(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:825:18
[INFO] [stderr]     |
[INFO] [stderr] 825 |     let status = unsafe { cudnnActivationBackward_v3(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:870:18
[INFO] [stderr]     |
[INFO] [stderr] 870 |     let status = unsafe { cudnnSoftmaxForward(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:967:18
[INFO] [stderr]     |
[INFO] [stderr] 967 |     let status = unsafe { cudnnPoolingForward(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/v5/mod.rs:983:18
[INFO] [stderr]     |
[INFO] [stderr] 983 |     let status = unsafe { cudnnPoolingBackward(
[INFO] [stderr]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/v5/mod.rs:1015:18
[INFO] [stderr]      |
[INFO] [stderr] 1015 |     let status = unsafe { cudnnTransformTensor(
[INFO] [stderr]      |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/v5/mod.rs:1084:18
[INFO] [stderr]      |
[INFO] [stderr] 1084 |     let status = unsafe { cudnnBatchNormalizationForwardInference(
[INFO] [stderr]      |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/v5/mod.rs:1121:18
[INFO] [stderr]      |
[INFO] [stderr] 1121 |     let status = unsafe { cudnnBatchNormalizationForwardTraining(
[INFO] [stderr]      |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/v5/mod.rs:1162:18
[INFO] [stderr]      |
[INFO] [stderr] 1162 |     let status = unsafe { cudnnBatchNormalizationBackward(
[INFO] [stderr]      |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `s_width`
[INFO] [stderr]   --> src/v5/mod.rs:82:3
[INFO] [stderr]    |
[INFO] [stderr] 82 |   s_width:      usize,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `s_height`
[INFO] [stderr]   --> src/v5/mod.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |   s_height:     usize,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `s_channels`
[INFO] [stderr]   --> src/v5/mod.rs:84:3
[INFO] [stderr]    |
[INFO] [stderr] 84 |   s_channels:   usize,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `s_batch_size`
[INFO] [stderr]   --> src/v5/mod.rs:85:3
[INFO] [stderr]    |
[INFO] [stderr] 85 |   s_batch_size: usize,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]    --> src/v5/mod.rs:225:3
[INFO] [stderr]     |
[INFO] [stderr] 225 |   width:        usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]    --> src/v5/mod.rs:226:3
[INFO] [stderr]     |
[INFO] [stderr] 226 |   height:       usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `in_channels`
[INFO] [stderr]    --> src/v5/mod.rs:227:3
[INFO] [stderr]     |
[INFO] [stderr] 227 |   in_channels:  usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `out_channels`
[INFO] [stderr]    --> src/v5/mod.rs:228:3
[INFO] [stderr]     |
[INFO] [stderr] 228 |   out_channels: usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stride_w`
[INFO] [stderr]    --> src/v5/mod.rs:267:3
[INFO] [stderr]     |
[INFO] [stderr] 267 |   stride_w: usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stride_h`
[INFO] [stderr]    --> src/v5/mod.rs:268:3
[INFO] [stderr]     |
[INFO] [stderr] 268 |   stride_h: usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pad_w`
[INFO] [stderr]    --> src/v5/mod.rs:269:3
[INFO] [stderr]     |
[INFO] [stderr] 269 |   pad_w:    usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pad_h`
[INFO] [stderr]    --> src/v5/mod.rs:270:3
[INFO] [stderr]     |
[INFO] [stderr] 270 |   pad_h:    usize,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "77e52b8d46e49733d4fac148fc00b9580ee2ef848ed7598060c4e4c7685e753b"`
[INFO] running `"docker" "rm" "-f" "77e52b8d46e49733d4fac148fc00b9580ee2ef848ed7598060c4e4c7685e753b"`
[INFO] [stdout] 77e52b8d46e49733d4fac148fc00b9580ee2ef848ed7598060c4e4c7685e753b
