[INFO] fetching crate coaster-nn 0.4.1...
[INFO] checking coaster-nn-0.4.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate coaster-nn 0.4.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate coaster-nn 0.4.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate coaster-nn 0.4.1
[INFO] finished tweaking crates.io crate coaster-nn 0.4.1
[INFO] tweaked toml for crates.io crate coaster-nn 0.4.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 1e0e04a400ec7c3d04897c35ed8268ca2d4064b9be696d07c9f328c11c336462
[INFO] running `"docker" "start" "-a" "1e0e04a400ec7c3d04897c35ed8268ca2d4064b9be696d07c9f328c11c336462"`
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]    Compiling syntex_pos v0.58.1
[INFO] [stderr]    Compiling clang-sys v0.19.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking coaster v0.1.0
[INFO] [stderr]    Compiling syntex_errors v0.58.1
[INFO] [stderr]    Compiling syntex_syntax v0.58.1
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling aster v0.41.0
[INFO] [stderr]    Compiling syntex v0.58.1
[INFO] [stderr]    Compiling quasi v0.32.0
[INFO] [stderr]    Compiling quasi_codegen v0.32.0
[INFO] [stderr]    Compiling bindgen v0.30.0
[INFO] [stderr]    Compiling rcudnn-sys v0.2.0
[INFO] [stderr]     Checking rcudnn v1.6.0
[INFO] [stderr]     Checking coaster-nn v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/frameworks/native/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     try!(lens_eq(src1, src2));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/frameworks/native/mod.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     try!(lens_eq(dst, src));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/frameworks/native/mod.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     try!(lens_eq(dst, src1));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/frameworks/native/mod.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     try!(lens_eq(dst, src2));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/native/helper.rs:248:17
[INFO] [stderr]     |
[INFO] [stderr] 248 |                 try!(map1(xs, rs, |v| v.exp()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/frameworks/native/mod.rs:814:1
[INFO] [stderr]     |
[INFO] [stderr] 814 | impl_ops_softmax_for!(f32, Backend<Native>);
[INFO] [stderr]     | -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/native/helper.rs:248:17
[INFO] [stderr]     |
[INFO] [stderr] 248 |                 try!(map1(xs, rs, |v| v.exp()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/frameworks/native/mod.rs:830:1
[INFO] [stderr]     |
[INFO] [stderr] 830 | impl_ops_softmax_for!(f64, Backend<Native>);
[INFO] [stderr]     | -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:311:22
[INFO] [stderr]     |
[INFO] [stderr] 311 |         let r_desc = try!(result.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:316:17
[INFO] [stderr]     |
[INFO] [stderr] 316 |                                     &try!(x.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:333:23
[INFO] [stderr]     |
[INFO] [stderr] 333 |         let dr_desc = try!(result_diff.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:339:16
[INFO] [stderr]     |
[INFO] [stderr] 339 |                                 &try!(x.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:341:39
[INFO] [stderr]     |
[INFO] [stderr] 341 | ...                   &try!(x_diff.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:343:39
[INFO] [stderr]     |
[INFO] [stderr] 343 | ...                   &try!(result.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:375:24
[INFO] [stderr]     |
[INFO] [stderr] 375 |         let src_desc = try!(src.cudnn_tensor_desc());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:376:25
[INFO] [stderr]     |
[INFO] [stderr] 376 |         let dest_desc = try!(dest.cudnn_tensor_desc());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:377:27
[INFO] [stderr]     |
[INFO] [stderr] 377 |         let filter_desc = try!(filter.cudnn_filter_desc());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:384:13
[INFO] [stderr]     |
[INFO] [stderr] 384 |             try!(algo_fwd.find_cudnn_algo(&filter_desc, &conv_desc, &src_desc, &dest_desc));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:386:13
[INFO] [stderr]     |
[INFO] [stderr] 386 |             try!(algo_bwd_filter.find_cudnn_algo(&filter_desc, &conv_desc, &src_desc, &dest_desc));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:388:13
[INFO] [stderr]     |
[INFO] [stderr] 388 |             try!(algo_bwd_data.find_cudnn_algo(&filter_desc, &conv_desc, &src_desc, &dest_desc));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:447:22
[INFO] [stderr]     |
[INFO] [stderr] 447 |         let r_desc = try!(result.cudnn_tensor_desc());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:456:42
[INFO] [stderr]     |
[INFO] [stderr] 456 | ...                   &try!(x.cudnn_tensor_desc()), // src_desc
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:480:50
[INFO] [stderr]     |
[INFO] [stderr] 480 | ...                   &try!(src_data.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:482:50
[INFO] [stderr]     |
[INFO] [stderr] 482 | ...                   &try!(dest_diff.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:500:23
[INFO] [stderr]     |
[INFO] [stderr] 500 |         let dr_desc = try!(result_diff.cudnn_tensor_desc());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:508:48
[INFO] [stderr]     |
[INFO] [stderr] 508 | ...                   &try!(x_diff.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:526:22
[INFO] [stderr]     |
[INFO] [stderr] 526 |         let x_desc = try!(x.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:545:22
[INFO] [stderr]     |
[INFO] [stderr] 545 |         let x_desc = try!(x.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:546:23
[INFO] [stderr]     |
[INFO] [stderr] 546 |         let dx_desc = try!(x_diff.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:574:22
[INFO] [stderr]     |
[INFO] [stderr] 574 |         let r_desc = try!(result.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:578:16
[INFO] [stderr]     |
[INFO] [stderr] 578 |                                 &try!(x.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:595:23
[INFO] [stderr]     |
[INFO] [stderr] 595 |         let dr_desc = try!(result_diff.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:602:16
[INFO] [stderr]     |
[INFO] [stderr] 602 |                                 &try!(x.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:604:36
[INFO] [stderr]     |
[INFO] [stderr] 604 | ...                   &try!(x_diff.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:606:36
[INFO] [stderr]     |
[INFO] [stderr] 606 | ...                   &try!(result.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:624:22
[INFO] [stderr]     |
[INFO] [stderr] 624 |         let x_desc = try!(x.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:643:22
[INFO] [stderr]     |
[INFO] [stderr] 643 |         let x_desc = try!(x.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:644:23
[INFO] [stderr]     |
[INFO] [stderr] 644 |         let dx_desc = try!(x_diff.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:672:22
[INFO] [stderr]     |
[INFO] [stderr] 672 |         let r_desc = try!(result.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:676:16
[INFO] [stderr]     |
[INFO] [stderr] 676 |                                 &try!(x.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:693:23
[INFO] [stderr]     |
[INFO] [stderr] 693 |         let dr_desc = try!(result_diff.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:699:16
[INFO] [stderr]     |
[INFO] [stderr] 699 |                                 &try!(x.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:701:36
[INFO] [stderr]     |
[INFO] [stderr] 701 | ...                   &try!(x_diff.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:703:36
[INFO] [stderr]     |
[INFO] [stderr] 703 | ...                   &try!(result.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:721:22
[INFO] [stderr]     |
[INFO] [stderr] 721 |         let x_desc = try!(x.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:739:22
[INFO] [stderr]     |
[INFO] [stderr] 739 |         let x_desc = try!(x.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:740:23
[INFO] [stderr]     |
[INFO] [stderr] 740 |         let dx_desc = try!(x_diff.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:767:22
[INFO] [stderr]     |
[INFO] [stderr] 767 |         let r_desc = try!(result.cudnn_tensor_desc_softmax());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:770:38
[INFO] [stderr]     |
[INFO] [stderr] 770 |         match CUDNN.softmax_forward(&try!(x.cudnn_tensor_desc_softmax()),
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:786:23
[INFO] [stderr]     |
[INFO] [stderr] 786 |         let dr_desc = try!(result_diff.cudnn_tensor_desc_softmax());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:790:39
[INFO] [stderr]     |
[INFO] [stderr] 790 |         match CUDNN.softmax_backward(&try!(x.cudnn_tensor_desc_softmax()),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:792:39
[INFO] [stderr]     |
[INFO] [stderr] 792 | ...                   &try!(x_diff.cudnn_tensor_desc_softmax()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:811:22
[INFO] [stderr]     |
[INFO] [stderr] 811 |         let r_desc = try!(result.cudnn_tensor_desc_softmax());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:814:42
[INFO] [stderr]     |
[INFO] [stderr] 814 |         match CUDNN.log_softmax_forward(&try!(x.cudnn_tensor_desc_softmax()),
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:829:23
[INFO] [stderr]     |
[INFO] [stderr] 829 |         let dr_desc = try!(result_diff.cudnn_tensor_desc_softmax());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:833:43
[INFO] [stderr]     |
[INFO] [stderr] 833 |         match CUDNN.log_softmax_backward(&try!(x.cudnn_tensor_desc_softmax()),
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:835:39
[INFO] [stderr]     |
[INFO] [stderr] 835 | ...                   &try!(x_diff.cudnn_tensor_desc_softmax()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:865:22
[INFO] [stderr]     |
[INFO] [stderr] 865 |         let r_desc = try!(result.cudnn_tensor_desc());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:869:34
[INFO] [stderr]     |
[INFO] [stderr] 869 | ...                   &try!(x.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:888:23
[INFO] [stderr]     |
[INFO] [stderr] 888 |         let dr_desc = try!(result_diff.cudnn_tensor_desc());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:894:35
[INFO] [stderr]     |
[INFO] [stderr] 894 | ...                   &try!(x.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:896:35
[INFO] [stderr]     |
[INFO] [stderr] 896 | ...                   &try!(x_diff.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:898:35
[INFO] [stderr]     |
[INFO] [stderr] 898 | ...                   &try!(result.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:934:22
[INFO] [stderr]     |
[INFO] [stderr] 934 |         let r_desc = try!(result.cudnn_tensor_desc());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:938:42
[INFO] [stderr]     |
[INFO] [stderr] 938 | ...                   &try!(x.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:962:23
[INFO] [stderr]     |
[INFO] [stderr] 962 |         let dr_desc = try!(result_diff.cudnn_tensor_desc());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:968:43
[INFO] [stderr]     |
[INFO] [stderr] 968 | ...                   &try!(x.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:970:43
[INFO] [stderr]     |
[INFO] [stderr] 970 | ...                   &try!(x_diff.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:972:43
[INFO] [stderr]     |
[INFO] [stderr] 972 | ...                   &try!(result.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:988:22
[INFO] [stderr]     |
[INFO] [stderr] 988 |         let r_desc = try!(result.cudnn_tensor_desc());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:992:42
[INFO] [stderr]     |
[INFO] [stderr] 992 | ...                   &try!(x.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/frameworks/cuda/mod.rs:1011:23
[INFO] [stderr]      |
[INFO] [stderr] 1011 |         let dr_desc = try!(result_diff.cudnn_tensor_desc());
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/frameworks/cuda/mod.rs:1017:43
[INFO] [stderr]      |
[INFO] [stderr] 1017 | ...                   &try!(x.cudnn_tensor_desc()),
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/frameworks/cuda/mod.rs:1019:43
[INFO] [stderr]      |
[INFO] [stderr] 1019 | ...                   &try!(x_diff.cudnn_tensor_desc()),
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/frameworks/cuda/mod.rs:1021:43
[INFO] [stderr]      |
[INFO] [stderr] 1021 | ...                   &try!(result.cudnn_tensor_desc()),
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:115:1
[INFO] [stderr]     |
[INFO] [stderr] 115 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/frameworks/native/helper.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | / macro_rules! impl_oconf_for_clrn(($($t: ident), +) => (
[INFO] [stderr] 91 | |     $(
[INFO] [stderr] 92 | |         impl NNOperationConfig<$t> for ::frameworks::native::helper::NormalizationConfig { }
[INFO] [stderr] 93 | |     )+
[INFO] [stderr] 94 | | ));
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/frameworks/cuda/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / lazy_static! {
[INFO] [stderr] 17 | |     static ref CUDNN: Cudnn = Cudnn::new().unwrap();
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/frameworks/cuda/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / lazy_static! {
[INFO] [stderr] 17 | |     static ref CUDNN: Cudnn = Cudnn::new().unwrap();
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/frameworks/native/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     try!(lens_eq(src1, src2));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/frameworks/native/mod.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     try!(lens_eq(dst, src));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/frameworks/native/mod.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     try!(lens_eq(dst, src1));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/frameworks/native/mod.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     try!(lens_eq(dst, src2));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/native/helper.rs:248:17
[INFO] [stderr]     |
[INFO] [stderr] 248 |                 try!(map1(xs, rs, |v| v.exp()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/frameworks/native/mod.rs:814:1
[INFO] [stderr]     |
[INFO] [stderr] 814 | impl_ops_softmax_for!(f32, Backend<Native>);
[INFO] [stderr]     | -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/native/helper.rs:248:17
[INFO] [stderr]     |
[INFO] [stderr] 248 |                 try!(map1(xs, rs, |v| v.exp()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/frameworks/native/mod.rs:830:1
[INFO] [stderr]     |
[INFO] [stderr] 830 | impl_ops_softmax_for!(f64, Backend<Native>);
[INFO] [stderr]     | -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:311:22
[INFO] [stderr]     |
[INFO] [stderr] 311 |         let r_desc = try!(result.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:316:17
[INFO] [stderr]     |
[INFO] [stderr] 316 |                                     &try!(x.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:333:23
[INFO] [stderr]     |
[INFO] [stderr] 333 |         let dr_desc = try!(result_diff.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:339:16
[INFO] [stderr]     |
[INFO] [stderr] 339 |                                 &try!(x.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:341:39
[INFO] [stderr]     |
[INFO] [stderr] 341 | ...                   &try!(x_diff.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:343:39
[INFO] [stderr]     |
[INFO] [stderr] 343 | ...                   &try!(result.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:375:24
[INFO] [stderr]     |
[INFO] [stderr] 375 |         let src_desc = try!(src.cudnn_tensor_desc());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:376:25
[INFO] [stderr]     |
[INFO] [stderr] 376 |         let dest_desc = try!(dest.cudnn_tensor_desc());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:377:27
[INFO] [stderr]     |
[INFO] [stderr] 377 |         let filter_desc = try!(filter.cudnn_filter_desc());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:384:13
[INFO] [stderr]     |
[INFO] [stderr] 384 |             try!(algo_fwd.find_cudnn_algo(&filter_desc, &conv_desc, &src_desc, &dest_desc));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:386:13
[INFO] [stderr]     |
[INFO] [stderr] 386 |             try!(algo_bwd_filter.find_cudnn_algo(&filter_desc, &conv_desc, &src_desc, &dest_desc));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:388:13
[INFO] [stderr]     |
[INFO] [stderr] 388 |             try!(algo_bwd_data.find_cudnn_algo(&filter_desc, &conv_desc, &src_desc, &dest_desc));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:447:22
[INFO] [stderr]     |
[INFO] [stderr] 447 |         let r_desc = try!(result.cudnn_tensor_desc());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:456:42
[INFO] [stderr]     |
[INFO] [stderr] 456 | ...                   &try!(x.cudnn_tensor_desc()), // src_desc
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:480:50
[INFO] [stderr]     |
[INFO] [stderr] 480 | ...                   &try!(src_data.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:482:50
[INFO] [stderr]     |
[INFO] [stderr] 482 | ...                   &try!(dest_diff.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:500:23
[INFO] [stderr]     |
[INFO] [stderr] 500 |         let dr_desc = try!(result_diff.cudnn_tensor_desc());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:508:48
[INFO] [stderr]     |
[INFO] [stderr] 508 | ...                   &try!(x_diff.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:526:22
[INFO] [stderr]     |
[INFO] [stderr] 526 |         let x_desc = try!(x.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:545:22
[INFO] [stderr]     |
[INFO] [stderr] 545 |         let x_desc = try!(x.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:546:23
[INFO] [stderr]     |
[INFO] [stderr] 546 |         let dx_desc = try!(x_diff.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:574:22
[INFO] [stderr]     |
[INFO] [stderr] 574 |         let r_desc = try!(result.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:578:16
[INFO] [stderr]     |
[INFO] [stderr] 578 |                                 &try!(x.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:595:23
[INFO] [stderr]     |
[INFO] [stderr] 595 |         let dr_desc = try!(result_diff.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:602:16
[INFO] [stderr]     |
[INFO] [stderr] 602 |                                 &try!(x.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:604:36
[INFO] [stderr]     |
[INFO] [stderr] 604 | ...                   &try!(x_diff.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:606:36
[INFO] [stderr]     |
[INFO] [stderr] 606 | ...                   &try!(result.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:624:22
[INFO] [stderr]     |
[INFO] [stderr] 624 |         let x_desc = try!(x.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:643:22
[INFO] [stderr]     |
[INFO] [stderr] 643 |         let x_desc = try!(x.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:644:23
[INFO] [stderr]     |
[INFO] [stderr] 644 |         let dx_desc = try!(x_diff.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:672:22
[INFO] [stderr]     |
[INFO] [stderr] 672 |         let r_desc = try!(result.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:676:16
[INFO] [stderr]     |
[INFO] [stderr] 676 |                                 &try!(x.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:693:23
[INFO] [stderr]     |
[INFO] [stderr] 693 |         let dr_desc = try!(result_diff.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:699:16
[INFO] [stderr]     |
[INFO] [stderr] 699 |                                 &try!(x.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:701:36
[INFO] [stderr]     |
[INFO] [stderr] 701 | ...                   &try!(x_diff.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:703:36
[INFO] [stderr]     |
[INFO] [stderr] 703 | ...                   &try!(result.cudnn_tensor_desc_flat()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:721:22
[INFO] [stderr]     |
[INFO] [stderr] 721 |         let x_desc = try!(x.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:739:22
[INFO] [stderr]     |
[INFO] [stderr] 739 |         let x_desc = try!(x.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:740:23
[INFO] [stderr]     |
[INFO] [stderr] 740 |         let dx_desc = try!(x_diff.cudnn_tensor_desc_flat());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:767:22
[INFO] [stderr]     |
[INFO] [stderr] 767 |         let r_desc = try!(result.cudnn_tensor_desc_softmax());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:770:38
[INFO] [stderr]     |
[INFO] [stderr] 770 |         match CUDNN.softmax_forward(&try!(x.cudnn_tensor_desc_softmax()),
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:786:23
[INFO] [stderr]     |
[INFO] [stderr] 786 |         let dr_desc = try!(result_diff.cudnn_tensor_desc_softmax());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:790:39
[INFO] [stderr]     |
[INFO] [stderr] 790 |         match CUDNN.softmax_backward(&try!(x.cudnn_tensor_desc_softmax()),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:792:39
[INFO] [stderr]     |
[INFO] [stderr] 792 | ...                   &try!(x_diff.cudnn_tensor_desc_softmax()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:811:22
[INFO] [stderr]     |
[INFO] [stderr] 811 |         let r_desc = try!(result.cudnn_tensor_desc_softmax());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:814:42
[INFO] [stderr]     |
[INFO] [stderr] 814 |         match CUDNN.log_softmax_forward(&try!(x.cudnn_tensor_desc_softmax()),
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:829:23
[INFO] [stderr]     |
[INFO] [stderr] 829 |         let dr_desc = try!(result_diff.cudnn_tensor_desc_softmax());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:833:43
[INFO] [stderr]     |
[INFO] [stderr] 833 |         match CUDNN.log_softmax_backward(&try!(x.cudnn_tensor_desc_softmax()),
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:835:39
[INFO] [stderr]     |
[INFO] [stderr] 835 | ...                   &try!(x_diff.cudnn_tensor_desc_softmax()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:865:22
[INFO] [stderr]     |
[INFO] [stderr] 865 |         let r_desc = try!(result.cudnn_tensor_desc());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:869:34
[INFO] [stderr]     |
[INFO] [stderr] 869 | ...                   &try!(x.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:888:23
[INFO] [stderr]     |
[INFO] [stderr] 888 |         let dr_desc = try!(result_diff.cudnn_tensor_desc());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:894:35
[INFO] [stderr]     |
[INFO] [stderr] 894 | ...                   &try!(x.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:896:35
[INFO] [stderr]     |
[INFO] [stderr] 896 | ...                   &try!(x_diff.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:898:35
[INFO] [stderr]     |
[INFO] [stderr] 898 | ...                   &try!(result.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:934:22
[INFO] [stderr]     |
[INFO] [stderr] 934 |         let r_desc = try!(result.cudnn_tensor_desc());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:938:42
[INFO] [stderr]     |
[INFO] [stderr] 938 | ...                   &try!(x.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:962:23
[INFO] [stderr]     |
[INFO] [stderr] 962 |         let dr_desc = try!(result_diff.cudnn_tensor_desc());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:968:43
[INFO] [stderr]     |
[INFO] [stderr] 968 | ...                   &try!(x.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:970:43
[INFO] [stderr]     |
[INFO] [stderr] 970 | ...                   &try!(x_diff.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:972:43
[INFO] [stderr]     |
[INFO] [stderr] 972 | ...                   &try!(result.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:988:22
[INFO] [stderr]     |
[INFO] [stderr] 988 |         let r_desc = try!(result.cudnn_tensor_desc());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/frameworks/cuda/mod.rs:992:42
[INFO] [stderr]     |
[INFO] [stderr] 992 | ...                   &try!(x.cudnn_tensor_desc()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/frameworks/cuda/mod.rs:1011:23
[INFO] [stderr]      |
[INFO] [stderr] 1011 |         let dr_desc = try!(result_diff.cudnn_tensor_desc());
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/frameworks/cuda/mod.rs:1017:43
[INFO] [stderr]      |
[INFO] [stderr] 1017 | ...                   &try!(x.cudnn_tensor_desc()),
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/frameworks/cuda/mod.rs:1019:43
[INFO] [stderr]      |
[INFO] [stderr] 1019 | ...                   &try!(x_diff.cudnn_tensor_desc()),
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/frameworks/cuda/mod.rs:1021:43
[INFO] [stderr]      |
[INFO] [stderr] 1021 | ...                   &try!(result.cudnn_tensor_desc()),
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:115:1
[INFO] [stderr]     |
[INFO] [stderr] 115 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/frameworks/native/helper.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | / macro_rules! impl_oconf_for_clrn(($($t: ident), +) => (
[INFO] [stderr] 91 | |     $(
[INFO] [stderr] 92 | |         impl NNOperationConfig<$t> for ::frameworks::native::helper::NormalizationConfig { }
[INFO] [stderr] 93 | |     )+
[INFO] [stderr] 94 | | ));
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IndependentSample`, `Range`, `range`
[INFO] [stderr]  --> src/tests/pooling.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::distributions::{range, IndependentSample, Range};
[INFO] [stderr]   |                           ^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/frameworks/cuda/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / lazy_static! {
[INFO] [stderr] 17 | |     static ref CUDNN: Cudnn = Cudnn::new().unwrap();
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/frameworks/cuda/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / lazy_static! {
[INFO] [stderr] 17 | |     static ref CUDNN: Cudnn = Cudnn::new().unwrap();
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/frameworks/native/helper.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut mem_buffer = mem.as_mut_slice::<T::Item>();
[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] error: missing documentation for macro
[INFO] [stderr]    --> src/frameworks/native/helper.rs:97:1
[INFO] [stderr]     |
[INFO] [stderr] 97  | macro_rules! impl_ops_sigmoid_for {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 | #![deny(missing_docs,
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: missing documentation for macro
[INFO] [stderr]    --> src/frameworks/native/helper.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | macro_rules! impl_ops_relu_for {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: missing documentation for macro
[INFO] [stderr]    --> src/frameworks/native/helper.rs:188:1
[INFO] [stderr]     |
[INFO] [stderr] 188 | macro_rules! impl_ops_tanh_for {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: missing documentation for macro
[INFO] [stderr]    --> src/frameworks/native/helper.rs:240:1
[INFO] [stderr]     |
[INFO] [stderr] 240 | macro_rules! impl_ops_softmax_for {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: missing documentation for macro
[INFO] [stderr]    --> src/frameworks/native/helper.rs:283:1
[INFO] [stderr]     |
[INFO] [stderr] 283 | macro_rules! impl_ops_log_softmax_for {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: missing documentation for macro
[INFO] [stderr]    --> src/frameworks/native/helper.rs:321:1
[INFO] [stderr]     |
[INFO] [stderr] 321 | macro_rules! impl_ops_lrn_for {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `coaster-nn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `backend`
[INFO] [stderr]   --> src/tests/mod.rs:44:29
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn write_to_tensor<T,F>(backend: &Backend<F>, xs: &mut SharedTensor<T>, data: &[f64])
[INFO] [stderr]    |                             ^^^^^^^ help: consider prefixing with an underscore: `_backend`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `backend`
[INFO] [stderr]   --> src/tests/mod.rs:81:37
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn uniformly_random_tensor<T,F>(backend: &Backend<F>, dims: &[usize], low: T, high: T) -> SharedTensor<T>
[INFO] [stderr]    |                                     ^^^^^^^ help: consider prefixing with an underscore: `_backend`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dr_a`
[INFO] [stderr]    --> src/tests/pooling.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let mut dr_a = SharedTensor::<f32>::new(output_dims);
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_dr_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `conf_a`
[INFO] [stderr]    --> src/tests/pooling.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let conf_a = Pooling::<f32>::new_pooling_config(&backend_a, window, stride, padding)
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_conf_a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/frameworks/native/helper.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut mem_buffer = mem.as_mut_slice::<T::Item>();
[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/tests/mod.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut mem_buffer = mem.as_mut_slice::<T>();
[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/tests/mod.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |             let mut mem = xs.write_only(native_dev).unwrap();
[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/tests/pooling.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let mut dr_a = SharedTensor::<f32>::new(output_dims);
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: missing documentation for macro
[INFO] [stderr]    --> src/frameworks/native/helper.rs:97:1
[INFO] [stderr]     |
[INFO] [stderr] 97  | macro_rules! impl_ops_sigmoid_for {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 | #![deny(missing_docs,
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: missing documentation for macro
[INFO] [stderr]    --> src/frameworks/native/helper.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | macro_rules! impl_ops_relu_for {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: missing documentation for macro
[INFO] [stderr]    --> src/frameworks/native/helper.rs:188:1
[INFO] [stderr]     |
[INFO] [stderr] 188 | macro_rules! impl_ops_tanh_for {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: missing documentation for macro
[INFO] [stderr]    --> src/frameworks/native/helper.rs:240:1
[INFO] [stderr]     |
[INFO] [stderr] 240 | macro_rules! impl_ops_softmax_for {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: missing documentation for macro
[INFO] [stderr]    --> src/frameworks/native/helper.rs:283:1
[INFO] [stderr]     |
[INFO] [stderr] 283 | macro_rules! impl_ops_log_softmax_for {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: missing documentation for macro
[INFO] [stderr]    --> src/frameworks/native/helper.rs:321:1
[INFO] [stderr]     |
[INFO] [stderr] 321 | macro_rules! impl_ops_lrn_for {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N_in` should have a snake case name
[INFO] [stderr]    --> src/tests/pooling.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let N_in = input_dims.iter().fold(1,|a, &b| a * b);
[INFO] [stderr]     |         ^^^^ help: convert the identifier to snake case: `n_in`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N_out` should have a snake case name
[INFO] [stderr]    --> src/tests/pooling.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |     let N_out = output_dims.iter().fold(1,|a, &b| a * b);
[INFO] [stderr]     |         ^^^^^ help: convert the identifier to snake case: `n_out`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `coaster-nn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1e0e04a400ec7c3d04897c35ed8268ca2d4064b9be696d07c9f328c11c336462"`
[INFO] running `"docker" "rm" "-f" "1e0e04a400ec7c3d04897c35ed8268ca2d4064b9be696d07c9f328c11c336462"`
[INFO] [stdout] 1e0e04a400ec7c3d04897c35ed8268ca2d4064b9be696d07c9f328c11c336462