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[INFO] [stdout] 98e6bb344decde3ccf141ef6b907a0c32ba485f9
[INFO] checking unixpickle/brute-tree against master#1fe72d35998dea48aeecaf7fc07783b0b553f24f for pr-154992-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixpickle%2Fbrute-tree" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
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[INFO] crate git repo https://github.com/unixpickle/brute-tree already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/evaluate.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut counts = &mut class_counts[path];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/tree.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Tree` is not local
[INFO] [stdout]   |          `Serialize` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Tree`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Serialize` (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/tree.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
[INFO] [stdout]   |                     -^^^^^^^^^^
[INFO] [stdout]   |                     |
[INFO] [stdout]   |                     `Tree` is not local
[INFO] [stdout]   |                     `Deserialize` is not local
[INFO] [stdout]   |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Tree`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Deserialize` (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/tree.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Branch` is not local
[INFO] [stdout]    |          `Serialize` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Branch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Serialize` (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/tree.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
[INFO] [stdout]    |                     -^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     `Branch` is not local
[INFO] [stdout]    |                     `Deserialize` is not local
[INFO] [stdout]    |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Branch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Deserialize` (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/evaluate.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Serialize, Deserialize, Clone, Debug)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `TreeEvaluation` is not local
[INFO] [stdout]   |          `Serialize` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_TreeEvaluation`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Serialize` (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/evaluate.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Serialize, Deserialize, Clone, Debug)]
[INFO] [stdout]   |                     -^^^^^^^^^^
[INFO] [stdout]   |                     |
[INFO] [stdout]   |                     `TreeEvaluation` is not local
[INFO] [stdout]   |                     `Deserialize` is not local
[INFO] [stdout]   |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_TreeEvaluation`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/dataset/mod.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn train_data<'a>(&'a self) -> (&[Self::Sample], &[usize]);
[INFO] [stdout]    |                        --           ^^^^^^^^^^^^^^^  ^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                        |            |
[INFO] [stdout]    |                        |            the same lifetime is elided here
[INFO] [stdout]    |                        the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn train_data<'a>(&'a self) -> (&'a [Self::Sample], &'a [usize]);
[INFO] [stdout]    |                                      ++                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/dataset/mod.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn test_data<'a>(&'a self) -> (&[Self::Sample], &[usize]);
[INFO] [stdout]    |                       --           ^^^^^^^^^^^^^^^  ^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                       |            |
[INFO] [stdout]    |                       |            the same lifetime is elided here
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn test_data<'a>(&'a self) -> (&'a [Self::Sample], &'a [usize]);
[INFO] [stdout]    |                                     ++                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/dataset/mnist.rs:67:37
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn train_data<'a>(&'a self) -> (&[Self::Sample], &[usize]) {
[INFO] [stdout]    |                        --           ^^^^^^^^^^^^^^^  ^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                        |            |
[INFO] [stdout]    |                        |            the same lifetime is elided here
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn train_data<'a>(&'a self) -> (&'a [Self::Sample], &'a [usize]) {
[INFO] [stdout]    |                                      ++                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/dataset/mnist.rs:71:36
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn test_data<'a>(&'a self) -> (&[Self::Sample], &[usize]) {
[INFO] [stdout]    |                       --           ^^^^^^^^^^^^^^^  ^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                       |            |
[INFO] [stdout]    |                       |            the same lifetime is elided here
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn test_data<'a>(&'a self) -> (&'a [Self::Sample], &'a [usize]) {
[INFO] [stdout]    |                                     ++                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/evaluate.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut counts = &mut class_counts[path];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/tree.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Tree` is not local
[INFO] [stdout]   |          `Serialize` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Tree`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Serialize` (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/tree.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
[INFO] [stdout]   |                     -^^^^^^^^^^
[INFO] [stdout]   |                     |
[INFO] [stdout]   |                     `Tree` is not local
[INFO] [stdout]   |                     `Deserialize` is not local
[INFO] [stdout]   |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Tree`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Deserialize` (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/tree.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Branch` is not local
[INFO] [stdout]    |          `Serialize` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Branch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Serialize` (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/tree.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
[INFO] [stdout]    |                     -^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     `Branch` is not local
[INFO] [stdout]    |                     `Deserialize` is not local
[INFO] [stdout]    |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Branch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Deserialize` (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/evaluate.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Serialize, Deserialize, Clone, Debug)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `TreeEvaluation` is not local
[INFO] [stdout]   |          `Serialize` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_TreeEvaluation`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Serialize` (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/evaluate.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Serialize, Deserialize, Clone, Debug)]
[INFO] [stdout]   |                     -^^^^^^^^^^
[INFO] [stdout]   |                     |
[INFO] [stdout]   |                     `TreeEvaluation` is not local
[INFO] [stdout]   |                     `Deserialize` is not local
[INFO] [stdout]   |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_TreeEvaluation`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/dataset/mod.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn train_data<'a>(&'a self) -> (&[Self::Sample], &[usize]);
[INFO] [stdout]    |                        --           ^^^^^^^^^^^^^^^  ^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                        |            |
[INFO] [stdout]    |                        |            the same lifetime is elided here
[INFO] [stdout]    |                        the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn train_data<'a>(&'a self) -> (&'a [Self::Sample], &'a [usize]);
[INFO] [stdout]    |                                      ++                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/dataset/mod.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn test_data<'a>(&'a self) -> (&[Self::Sample], &[usize]);
[INFO] [stdout]    |                       --           ^^^^^^^^^^^^^^^  ^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                       |            |
[INFO] [stdout]    |                       |            the same lifetime is elided here
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn test_data<'a>(&'a self) -> (&'a [Self::Sample], &'a [usize]);
[INFO] [stdout]    |                                     ++                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/dataset/mnist.rs:67:37
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn train_data<'a>(&'a self) -> (&[Self::Sample], &[usize]) {
[INFO] [stdout]    |                        --           ^^^^^^^^^^^^^^^  ^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                        |            |
[INFO] [stdout]    |                        |            the same lifetime is elided here
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn train_data<'a>(&'a self) -> (&'a [Self::Sample], &'a [usize]) {
[INFO] [stdout]    |                                      ++                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/dataset/mnist.rs:71:36
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn test_data<'a>(&'a self) -> (&[Self::Sample], &[usize]) {
[INFO] [stdout]    |                       --           ^^^^^^^^^^^^^^^  ^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                       |            |
[INFO] [stdout]    |                       |            the same lifetime is elided here
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn test_data<'a>(&'a self) -> (&'a [Self::Sample], &'a [usize]) {
[INFO] [stdout]    |                                     ++                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/main.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |     type Future = Box<Future<Item=Response, Error=hyper::Error>>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     type Future = Box<dyn Future<Item=Response, Error=hyper::Error>>;
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/main.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |     type Future = Box<Future<Item=Response, Error=hyper::Error>>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     type Future = Box<dyn Future<Item=Response, Error=hyper::Error>>;
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/server/main.rs:104:42
[INFO] [stdout]     |
[INFO] [stdout] 104 |     if let Ok(mut file) = File::open(path.clone()) {
[INFO] [stdout]     |                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/server/main.rs:104:42
[INFO] [stdout]     |
[INFO] [stdout] 104 |     if let Ok(mut file) = File::open(path.clone()) {
[INFO] [stdout]     |                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.39s
[INFO] running `Command { std: "docker" "inspect" "7b3ef6b1148d093363904c820779a977ff36c484fdcb3a69b2320615ce79eb0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3ef6b1148d093363904c820779a977ff36c484fdcb3a69b2320615ce79eb0e", kill_on_drop: false }`
[INFO] [stdout] 7b3ef6b1148d093363904c820779a977ff36c484fdcb3a69b2320615ce79eb0e
