[INFO] fetching crate neuro 0.1.0...
[INFO] checking neuro-0.1.0 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] extracting crate neuro 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate neuro 0.1.0
[INFO] finished tweaking crates.io crate neuro 0.1.0
[INFO] tweaked toml for crates.io crate neuro 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate neuro 0.1.0 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate neuro 0.1.0 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" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "b0c8df8cc0e08753a507a000d51b072263ee025f45d0d310378764f85e261f19", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `crate::regularizers::*`
[INFO] [stdout]   --> src/layers/dense.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::regularizers::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tensor::*`
[INFO] [stdout]   --> src/layers/dense.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::tensor::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::regularizers::*`
[INFO] [stdout]   --> src/layers/dense.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::regularizers::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tensor::*`
[INFO] [stdout]   --> src/layers/dense.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::tensor::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrayfire::*`
[INFO] [stdout]    --> src/layers/dense.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     use arrayfire::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tensor::*`
[INFO] [stdout]    --> src/losses.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     use crate::tensor::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrayfire::*`
[INFO] [stdout]    --> src/losses.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     use arrayfire::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `image_size` is never read
[INFO] [stdout]   --> src/data/image_data.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct ImageDataSet {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     image_size: (u32, u32),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/activations.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(hdf5::H5Type, Clone, Copy, Debug)]
[INFO] [stdout]    |          ^-----------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `H5Type` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_H5TYPE_FOR_Activation`
[INFO] [stdout] 11 | #[repr(u8)]
[INFO] [stdout] 12 | pub enum Activation {
[INFO] [stdout]    |          ---------- `Activation` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` may come from an old version of the `hdf5_derive` crate, try updating your dependency with `cargo update -p hdf5_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `hdf5::H5Type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/initializers.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(hdf5::H5Type, Clone, Debug)]
[INFO] [stdout]    |          ^-----------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `H5Type` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_H5TYPE_FOR_H5Initializer`
[INFO] [stdout] 39 | #[repr(C)]
[INFO] [stdout] 40 | pub(crate) struct H5Initializer {
[INFO] [stdout]    |                   ------------- `H5Initializer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` may come from an old version of the `hdf5_derive` crate, try updating your dependency with `cargo update -p hdf5_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `hdf5::H5Type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/layers/conv2d.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(hdf5::H5Type, Debug, Copy, Clone, PartialEq)]
[INFO] [stdout]    |          ^-----------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `H5Type` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_H5TYPE_FOR_Padding`
[INFO] [stdout] 19 | #[repr(u8)]
[INFO] [stdout] 20 | pub enum Padding {
[INFO] [stdout]    |          ------- `Padding` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` may come from an old version of the `hdf5_derive` crate, try updating your dependency with `cargo update -p hdf5_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `hdf5::H5Type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/regularizers.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(hdf5::H5Type, Clone, Debug)]
[INFO] [stdout]    |          ^-----------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `H5Type` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_H5TYPE_FOR_H5Regularizer`
[INFO] [stdout] 26 | #[repr(C)]
[INFO] [stdout] 27 | pub(crate) struct H5Regularizer {
[INFO] [stdout]    |                   ------------- `H5Regularizer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` may come from an old version of the `hdf5_derive` crate, try updating your dependency with `cargo update -p hdf5_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `hdf5::H5Type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/tensor.rs:164:10
[INFO] [stdout]     |
[INFO] [stdout] 164 | #[derive(hdf5::H5Type, Clone, Debug)]
[INFO] [stdout]     |          ^-----------
[INFO] [stdout]     |          |
[INFO] [stdout]     |          `H5Type` is not local
[INFO] [stdout]     |          move the `impl` block outside of this constant `_IMPL_H5TYPE_FOR_H5Tensor`
[INFO] [stdout] 165 | #[repr(C)]
[INFO] [stdout] 166 | pub(crate) struct H5Tensor {
[INFO] [stdout]     |                   -------- `H5Tensor` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `hdf5::H5Type` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `hdf5::H5Type` may come from an old version of the `hdf5_derive` crate, try updating your dependency with `cargo update -p hdf5_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `hdf5::H5Type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Dropout`
[INFO] [stdout]  --> examples/cifar10.rs:4:56
[INFO] [stdout]   |
[INFO] [stdout] 4 | use neuro::layers::{Dense, Conv2D, Padding, MaxPool2D, Dropout, Flatten};
[INFO] [stdout]   |                                                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AdaDelta` and `RMSProp`
[INFO] [stdout]  --> examples/cifar10.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use neuro::optimizers::{RMSProp, AdaDelta, Adam};
[INFO] [stdout]   |                         ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `neuro::initializers::Initializer`
[INFO] [stdout]   --> examples/cifar10.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use neuro::initializers::Initializer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `neuro::initializers::Initializer`
[INFO] [stdout]   --> examples/adadelta_paper_example.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use neuro::initializers::Initializer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected_output`
[INFO] [stdout]    --> src/layers/max_pooling.rs:218:13
[INFO] [stdout]     |
[INFO] [stdout] 218 | ...   let expected_output: [PrimitiveType; 64] = [0., 0., 0., 0., -1., 0., 0., 2., 0., 0., 0., 0., 0., 3., 1., 0., 0., -2., 4., 0.,...
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_output`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DataSet`
[INFO] [stdout]  --> examples/xor.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use neuro::data::{TabularDataSet, DataSet};
[INFO] [stdout]   |                                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/losses.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 | ...   let mut y_pred = Tensor::new(&[0.2337, 0.3056, 0.4608, 0.4079, 0.1819, 0.4102, 0.4034, 0.2517, 0.3449, 0.2227, 0.2946, 0.4828...
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/losses.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let mut y_true = Tensor::new(&[0., 0., 1., 0., 0., 1., 1., 0., 0., 0., 0., 1.], Dim::new(&[3, 1, 1, 4]));
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/losses.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 | ...   let mut y_pred = Tensor::new(&[0.2337, 0.3056, 0.4608, 0.4079, 0.1819, 0.4102, 0.4034, 0.2517, 0.3449, 0.2227, 0.2946, 0.4828...
[INFO] [stdout]     |           ----^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/losses.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let mut y_true = Tensor::new(&[0., 0., 1., 0., 0., 1., 1., 0., 0., 0., 0., 1.], Dim::new(&[3, 1, 1, 4]));
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `image_size` is never read
[INFO] [stdout]   --> src/data/image_data.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct ImageDataSet {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     image_size: (u32, u32),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/activations.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(hdf5::H5Type, Clone, Copy, Debug)]
[INFO] [stdout]    |          ^-----------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `H5Type` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_H5TYPE_FOR_Activation`
[INFO] [stdout] 11 | #[repr(u8)]
[INFO] [stdout] 12 | pub enum Activation {
[INFO] [stdout]    |          ---------- `Activation` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` may come from an old version of the `hdf5_derive` crate, try updating your dependency with `cargo update -p hdf5_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `hdf5::H5Type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/initializers.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(hdf5::H5Type, Clone, Debug)]
[INFO] [stdout]    |          ^-----------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `H5Type` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_H5TYPE_FOR_H5Initializer`
[INFO] [stdout] 39 | #[repr(C)]
[INFO] [stdout] 40 | pub(crate) struct H5Initializer {
[INFO] [stdout]    |                   ------------- `H5Initializer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` may come from an old version of the `hdf5_derive` crate, try updating your dependency with `cargo update -p hdf5_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `hdf5::H5Type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/layers/conv2d.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(hdf5::H5Type, Debug, Copy, Clone, PartialEq)]
[INFO] [stdout]    |          ^-----------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `H5Type` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_H5TYPE_FOR_Padding`
[INFO] [stdout] 19 | #[repr(u8)]
[INFO] [stdout] 20 | pub enum Padding {
[INFO] [stdout]    |          ------- `Padding` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` may come from an old version of the `hdf5_derive` crate, try updating your dependency with `cargo update -p hdf5_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `hdf5::H5Type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/regularizers.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(hdf5::H5Type, Clone, Debug)]
[INFO] [stdout]    |          ^-----------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `H5Type` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_H5TYPE_FOR_H5Regularizer`
[INFO] [stdout] 26 | #[repr(C)]
[INFO] [stdout] 27 | pub(crate) struct H5Regularizer {
[INFO] [stdout]    |                   ------------- `H5Regularizer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `hdf5::H5Type` may come from an old version of the `hdf5_derive` crate, try updating your dependency with `cargo update -p hdf5_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `hdf5::H5Type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/tensor.rs:164:10
[INFO] [stdout]     |
[INFO] [stdout] 164 | #[derive(hdf5::H5Type, Clone, Debug)]
[INFO] [stdout]     |          ^-----------
[INFO] [stdout]     |          |
[INFO] [stdout]     |          `H5Type` is not local
[INFO] [stdout]     |          move the `impl` block outside of this constant `_IMPL_H5TYPE_FOR_H5Tensor`
[INFO] [stdout] 165 | #[repr(C)]
[INFO] [stdout] 166 | pub(crate) struct H5Tensor {
[INFO] [stdout]     |                   -------- `H5Tensor` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `hdf5::H5Type` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `hdf5::H5Type` may come from an old version of the `hdf5_derive` crate, try updating your dependency with `cargo update -p hdf5_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `hdf5::H5Type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/mnist_feedforward.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     nn.save("mnist_feedforward.h5");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let _ = nn.save("mnist_feedforward.h5");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.74s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: hdf5 v0.6.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "b0c8df8cc0e08753a507a000d51b072263ee025f45d0d310378764f85e261f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c8df8cc0e08753a507a000d51b072263ee025f45d0d310378764f85e261f19", kill_on_drop: false }`
[INFO] [stdout] b0c8df8cc0e08753a507a000d51b072263ee025f45d0d310378764f85e261f19
