[INFO] fetching crate unda 0.2.2...
[INFO] building unda-0.2.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate unda 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate unda 0.2.2
[INFO] finished tweaking crates.io crate unda 0.2.2
[INFO] tweaked toml for crates.io crate unda 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unda 0.2.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
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[INFO] crate crates.io crate unda 0.2.2 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded typetag v0.2.14
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-ident v1.0.12
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[INFO] [stderr]    Compiling serde_json v1.0.107
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[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling itertools v0.12.0
[INFO] [stderr]    Compiling getrandom v0.2.10
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[INFO] [stderr]    Compiling rand_core v0.6.4
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[INFO] [stderr]    Compiling typetag v0.2.14
[INFO] [stderr]    Compiling unda v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Serialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Send` is not local
[INFO] [stdout]    | `Serialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Sync` is not local
[INFO] [stdout]    | `Serialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Send` is not local
[INFO] [stdout]    | `Sync` is not local
[INFO] [stdout]    | `Serialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Strictest` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | -^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Box` is not local
[INFO] [stdout]    | `Send` is not local
[INFO] [stdout]    | `Sync` is not local
[INFO] [stdout]    | `Deserialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | -^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Box` is not local
[INFO] [stdout]    | `Deserialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | -^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Box` is not local
[INFO] [stdout]    | `Send` is not local
[INFO] [stdout]    | `Deserialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | -^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Box` is not local
[INFO] [stdout]    | `Sync` is not local
[INFO] [stdout]    | `Deserialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/layer/methods/activations.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn get_function(&self) -> Option<Activation>{
[INFO] [stdout]    |                     ^^^^^            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn get_function(&self) -> Option<Activation<'_>>{
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/mnist.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         stdout().flush(); print!("[");
[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] 72 |         let _ = stdout().flush(); print!("[");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/mnist.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 stdout().flush(); print!("#");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let _ = stdout().flush(); print!("#");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.02s
[INFO] running `Command { std: "docker" "inspect" "7a526a7afc00d8f4bb4f6c3806f3b9ec74c59109a8ee7e14d1b288fd49181fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a526a7afc00d8f4bb4f6c3806f3b9ec74c59109a8ee7e14d1b288fd49181fe7", kill_on_drop: false }`
[INFO] [stdout] 7a526a7afc00d8f4bb4f6c3806f3b9ec74c59109a8ee7e14d1b288fd49181fe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4fab6631f693fa0a2c9be5fc7c7c07921e42f55897f3864b77c360395b5429e
[INFO] running `Command { std: "docker" "start" "-a" "e4fab6631f693fa0a2c9be5fc7c7c07921e42f55897f3864b77c360395b5429e", kill_on_drop: false }`
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Serialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Send` is not local
[INFO] [stdout]    | `Serialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Sync` is not local
[INFO] [stdout]    | `Serialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Send` is not local
[INFO] [stdout]    | `Sync` is not local
[INFO] [stdout]    | `Serialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Strictest` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | -^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Box` is not local
[INFO] [stdout]    | `Send` is not local
[INFO] [stdout]    | `Sync` is not local
[INFO] [stdout]    | `Deserialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | -^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Box` is not local
[INFO] [stdout]    | `Deserialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | -^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Box` is not local
[INFO] [stdout]    | `Send` is not local
[INFO] [stdout]    | `Deserialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | -^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Box` is not local
[INFO] [stdout]    | `Sync` is not local
[INFO] [stdout]    | `Deserialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/layer/methods/activations.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn get_function(&self) -> Option<Activation>{
[INFO] [stdout]    |                     ^^^^^            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn get_function(&self) -> Option<Activation<'_>>{
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unda v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/mnist.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         stdout().flush(); print!("[");
[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] 72 |         let _ = stdout().flush(); print!("[");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/mnist.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 stdout().flush(); print!("#");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let _ = stdout().flush(); print!("#");
[INFO] [stdout]    |                 +++++++
[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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Serialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Send` is not local
[INFO] [stdout]    | `Serialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Sync` is not local
[INFO] [stdout]    | `Serialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Send` is not local
[INFO] [stdout]    | `Sync` is not local
[INFO] [stdout]    | `Serialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Strictest` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | -^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Box` is not local
[INFO] [stdout]    | `Send` is not local
[INFO] [stdout]    | `Sync` is not local
[INFO] [stdout]    | `Deserialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | -^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Box` is not local
[INFO] [stdout]    | `Deserialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | -^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Box` is not local
[INFO] [stdout]    | `Send` is not local
[INFO] [stdout]    | `Deserialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (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/core/layer/layers.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde]
[INFO] [stdout]    | -^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `Box` is not local
[INFO] [stdout]    | `Sync` is not local
[INFO] [stdout]    | `Deserialize` is not local
[INFO] [stdout]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stdout] 11 | pub trait Layer: Send + Sync{
[INFO] [stdout]    |           ----- `Layer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the attribute macro `typetag::serde` may come from an old version of the `typetag_impl` crate, try updating your dependency with `cargo update -p typetag_impl`
[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 attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/layer/methods/activations.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn get_function(&self) -> Option<Activation>{
[INFO] [stdout]    |                     ^^^^^            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn get_function(&self) -> Option<Activation<'_>>{
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/core/data/matrix.rs:422:9
[INFO] [stdout]     |
[INFO] [stdout] 422 |         mat_a + &mat_b;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[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] 422 |         let _ = mat_a + &mat_b;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/core/data/matrix.rs:457:9
[INFO] [stdout]     |
[INFO] [stdout] 457 |         mat_a * &mat_b;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 457 |         let _ = mat_a * &mat_b;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/core/data/matrix.rs:464:9
[INFO] [stdout]     |
[INFO] [stdout] 464 |         mat_a * &mat_b;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 464 |         let _ = mat_a * &mat_b;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/mnist.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         stdout().flush(); print!("[");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let _ = stdout().flush(); print!("[");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/mnist.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 stdout().flush(); print!("#");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let _ = stdout().flush(); print!("#");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "e4fab6631f693fa0a2c9be5fc7c7c07921e42f55897f3864b77c360395b5429e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fab6631f693fa0a2c9be5fc7c7c07921e42f55897f3864b77c360395b5429e", kill_on_drop: false }`
[INFO] [stdout] e4fab6631f693fa0a2c9be5fc7c7c07921e42f55897f3864b77c360395b5429e