[INFO] fetching crate unda 0.2.2...
[INFO] checking unda-0.2.2 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate unda 0.2.2 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unda 0.2.2 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5120338b4cad8925626c6ba4de08650077ed2f91068c73bd62dda530731afec6
[INFO] running `Command { std: "docker" "start" "-a" "5120338b4cad8925626c6ba4de08650077ed2f91068c73bd62dda530731afec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5120338b4cad8925626c6ba4de08650077ed2f91068c73bd62dda530731afec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5120338b4cad8925626c6ba4de08650077ed2f91068c73bd62dda530731afec6", kill_on_drop: false }`
[INFO] [stdout] 5120338b4cad8925626c6ba4de08650077ed2f91068c73bd62dda530731afec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a7c2ccf38a154ca8a5e22cc0bf11365654862c0857b9b4e78ed0b760863545b
[INFO] running `Command { std: "docker" "start" "-a" "4a7c2ccf38a154ca8a5e22cc0bf11365654862c0857b9b4e78ed0b760863545b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking inventory v0.3.13
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_seeder v0.2.3
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling typetag-impl v0.2.14
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking erased-serde v0.4.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking typetag v0.2.14
[INFO] [stderr]     Checking 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 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)]` 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] [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)]` 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 14.35s
[INFO] running `Command { std: "docker" "inspect" "4a7c2ccf38a154ca8a5e22cc0bf11365654862c0857b9b4e78ed0b760863545b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7c2ccf38a154ca8a5e22cc0bf11365654862c0857b9b4e78ed0b760863545b", kill_on_drop: false }`
[INFO] [stdout] 4a7c2ccf38a154ca8a5e22cc0bf11365654862c0857b9b4e78ed0b760863545b