[INFO] fetching crate unda 0.2.2...
[INFO] testing unda-0.2.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate unda 0.2.2 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unda 0.2.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3ed60469c058355f0d6bc95cb512b302671a7c5a1b19c73bf800f8eb3f22129
[INFO] running `Command { std: "docker" "start" "-a" "e3ed60469c058355f0d6bc95cb512b302671a7c5a1b19c73bf800f8eb3f22129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3ed60469c058355f0d6bc95cb512b302671a7c5a1b19c73bf800f8eb3f22129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ed60469c058355f0d6bc95cb512b302671a7c5a1b19c73bf800f8eb3f22129", kill_on_drop: false }`
[INFO] [stdout] e3ed60469c058355f0d6bc95cb512b302671a7c5a1b19c73bf800f8eb3f22129
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db7bf699e64f464a2ba08449a24bae9c9809b8e24b2a865771c7c9b8de93a485
[INFO] running `Command { std: "docker" "start" "-a" "db7bf699e64f464a2ba08449a24bae9c9809b8e24b2a865771c7c9b8de93a485", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling inventory v0.3.13
[INFO] [stderr]    Compiling itertools v0.12.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling rand_seeder v0.2.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling 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]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling erased-serde v0.4.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.3.0
[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 12.50s
[INFO] running `Command { std: "docker" "inspect" "db7bf699e64f464a2ba08449a24bae9c9809b8e24b2a865771c7c9b8de93a485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7bf699e64f464a2ba08449a24bae9c9809b8e24b2a865771c7c9b8de93a485", kill_on_drop: false }`
[INFO] [stdout] db7bf699e64f464a2ba08449a24bae9c9809b8e24b2a865771c7c9b8de93a485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b3aab72db9028d3c14c815bb2d67a1af80bf75c230a4fe768eaea90ed854a12
[INFO] running `Command { std: "docker" "start" "-a" "1b3aab72db9028d3c14c815bb2d67a1af80bf75c230a4fe768eaea90ed854a12", 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] [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]    | `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] [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 2.79s
[INFO] running `Command { std: "docker" "inspect" "1b3aab72db9028d3c14c815bb2d67a1af80bf75c230a4fe768eaea90ed854a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3aab72db9028d3c14c815bb2d67a1af80bf75c230a4fe768eaea90ed854a12", kill_on_drop: false }`
[INFO] [stdout] 1b3aab72db9028d3c14c815bb2d67a1af80bf75c230a4fe768eaea90ed854a12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41d3ed56bd144cfc697b06624d25fffd499e72264aa5d6fc0727031a235e891b
[INFO] running `Command { std: "docker" "start" "-a" "41d3ed56bd144cfc697b06624d25fffd499e72264aa5d6fc0727031a235e891b", kill_on_drop: false }`
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/core/layer/layers.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[typetag::serde]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | |
[INFO] [stderr]    | `Serialize` is not local
[INFO] [stderr]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stderr] 11 | pub trait Layer: Send + Sync{
[INFO] [stderr]    |           ----- `Layer` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [stderr]    = 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] [stderr]    = 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] [stderr]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stderr]    = note: this warning originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/core/layer/layers.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[typetag::serde]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | |
[INFO] [stderr]    | `Send` is not local
[INFO] [stderr]    | `Serialize` is not local
[INFO] [stderr]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stderr] 11 | pub trait Layer: Send + Sync{
[INFO] [stderr]    |           ----- `Layer` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [stderr]    = 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] [stderr]    = 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] [stderr]    = note: this warning originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/core/layer/layers.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[typetag::serde]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | |
[INFO] [stderr]    | `Sync` is not local
[INFO] [stderr]    | `Serialize` is not local
[INFO] [stderr]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stderr] 11 | pub trait Layer: Send + Sync{
[INFO] [stderr]    |           ----- `Layer` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [stderr]    = 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] [stderr]    = 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] [stderr]    = note: this warning originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/core/layer/layers.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[typetag::serde]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | |
[INFO] [stderr]    | `Send` is not local
[INFO] [stderr]    | `Sync` is not local
[INFO] [stderr]    | `Serialize` is not local
[INFO] [stderr]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stderr] 11 | pub trait Layer: Send + Sync{
[INFO] [stderr]    |           ----- `Layer` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [stderr]    = 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] [stderr]    = 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] [stderr]    = note: this warning originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/core/layer/layers.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[typetag::serde]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^ move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stderr] 11 | pub trait Layer: Send + Sync{
[INFO] [stderr]    |           ----- `Layer` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [stderr]    = 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] [stderr]    = 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] [stderr]    = note: this warning originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/core/layer/layers.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[typetag::serde]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | |
[INFO] [stderr]    | `Strictest` is not local
[INFO] [stderr]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stderr] 11 | pub trait Layer: Send + Sync{
[INFO] [stderr]    |           ----- `Layer` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [stderr]    = 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] [stderr]    = 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] [stderr]    = note: this warning originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/core/layer/layers.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[typetag::serde]
[INFO] [stderr]    | -^^^^^^^^^^^^^^^^
[INFO] [stderr]    | |
[INFO] [stderr]    | `Box` is not local
[INFO] [stderr]    | `Send` is not local
[INFO] [stderr]    | `Sync` is not local
[INFO] [stderr]    | `Deserialize` is not local
[INFO] [stderr]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stderr] 11 | pub trait Layer: Send + Sync{
[INFO] [stderr]    |           ----- `Layer` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [stderr]    = 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] [stderr]    = 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] [stderr]    = note: this warning originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/core/layer/layers.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[typetag::serde]
[INFO] [stderr]    | -^^^^^^^^^^^^^^^^
[INFO] [stderr]    | |
[INFO] [stderr]    | `Box` is not local
[INFO] [stderr]    | `Deserialize` is not local
[INFO] [stderr]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stderr] 11 | pub trait Layer: Send + Sync{
[INFO] [stderr]    |           ----- `Layer` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [stderr]    = 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] [stderr]    = 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] [stderr]    = note: this warning originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/core/layer/layers.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[typetag::serde]
[INFO] [stderr]    | -^^^^^^^^^^^^^^^^
[INFO] [stderr]    | |
[INFO] [stderr]    | `Box` is not local
[INFO] [stderr]    | `Send` is not local
[INFO] [stderr]    | `Deserialize` is not local
[INFO] [stderr]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stderr] 11 | pub trait Layer: Send + Sync{
[INFO] [stderr]    |           ----- `Layer` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [stderr]    = 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] [stderr]    = 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] [stderr]    = note: this warning originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/core/layer/layers.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[typetag::serde]
[INFO] [stderr]    | -^^^^^^^^^^^^^^^^
[INFO] [stderr]    | |
[INFO] [stderr]    | `Box` is not local
[INFO] [stderr]    | `Sync` is not local
[INFO] [stderr]    | `Deserialize` is not local
[INFO] [stderr]    | move the `impl` block outside of this constant `_Layer_registry`
[INFO] [stderr] 11 | pub trait Layer: Send + Sync{
[INFO] [stderr]    |           ----- `Layer` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the attribute macro `typetag::serde` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [stderr]    = 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] [stderr]    = 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] [stderr]    = note: this warning originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/core/layer/methods/activations.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn get_function(&self) -> Option<Activation>{
[INFO] [stderr]    |                     ^^^^^            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn get_function(&self) -> Option<Activation<'_>>{
[INFO] [stderr]    |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/util/mnist.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         stdout().flush(); print!("[");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let _ = stdout().flush(); print!("[");
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/util/mnist.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 stdout().flush(); print!("#");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 let _ = stdout().flush(); print!("#");
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/core/data/matrix.rs:422:9
[INFO] [stderr]     |
[INFO] [stderr] 422 |         mat_a + &mat_b;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 422 |         let _ = mat_a + &mat_b;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/core/data/matrix.rs:457:9
[INFO] [stderr]     |
[INFO] [stderr] 457 |         mat_a * &mat_b;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 457 |         let _ = mat_a * &mat_b;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/core/data/matrix.rs:464:9
[INFO] [stderr]     |
[INFO] [stderr] 464 |         mat_a * &mat_b;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 464 |         let _ = mat_a * &mat_b;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/util/mnist.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         stdout().flush(); print!("[");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let _ = stdout().flush(); print!("[");
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `unda` (lib) generated 13 warnings (run `cargo fix --lib -p unda` to apply 1 suggestion)
[INFO] [stderr] warning: `unda` (lib test) generated 16 warnings (12 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unda-0d8647aef58874f1)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test core::data::matrix::tests::test_addassign ... ok
[INFO] [stdout] test core::data::matrix::tests::test_mul ... ok
[INFO] [stdout] test core::data::matrix::tests::matrix_add ... ok
[INFO] [stdout] test core::data::matrix::tests::test_mul_shape ... ok
[INFO] [stdout] test core::data::matrix::tests::test_mul_vals ... ok
[INFO] [stdout] test core::data::matrix::tests::test_pow ... ok
[INFO] [stdout] test core::data::matrix::tests::test_transpose ... ok
[INFO] [stdout] test core::data::matrix::tests::test_transpose_ne ... ok
[INFO] [stdout] test core::layer::dense::test::dense_shape ... ok
[INFO] [stdout] test core::layer::dense::test::forward_result ... ok
[INFO] [stdout] test core::layer::methods::activations::test::test_relu ... ok
[INFO] [stdout] test core::layer::dense::test::forward_shape ... ok
[INFO] [stdout] test core::layer::methods::activations::test::test_relu_der ... ok
[INFO] [stdout] test core::layer::methods::activations::test::test_sigmoid_der ... ok
[INFO] [stdout] test core::network::test::check_set_input ... ok
[INFO] [stdout] test core::layer::methods::activations::test::test_softmax ... ok
[INFO] [stdout] test core::layer::methods::activations::test::test_sigmoid ... ok
[INFO] [stdout] test core::data::matrix::tests::test_invalid_mul - should panic ... ok
[INFO] [stdout] test core::data::matrix::tests::matrix_panic - should panic ... ok
[INFO] [stdout] test core::layer::dense::test::forward_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unda-71ad0d2f952ae5f5)
[INFO] [stderr]    Doc-tests unda
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/core/network.rs - core::network::Network::feed_forward (line 182) ... ok
[INFO] [stdout] test src/core/network.rs - core::network::Network::add_layer (line 84) ... ok
[INFO] [stdout] test src/core/network.rs - core::network::Network::new (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41d3ed56bd144cfc697b06624d25fffd499e72264aa5d6fc0727031a235e891b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d3ed56bd144cfc697b06624d25fffd499e72264aa5d6fc0727031a235e891b", kill_on_drop: false }`
[INFO] [stdout] 41d3ed56bd144cfc697b06624d25fffd499e72264aa5d6fc0727031a235e891b