[INFO] fetching crate cursython 0.1.0...
[INFO] checking cursython-0.1.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate cursython 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate cursython 0.1.0
[INFO] finished tweaking crates.io crate cursython 0.1.0
[INFO] tweaked toml for crates.io crate cursython 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cursython 0.1.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cursython 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.171
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[INFO] [stderr]     Checking cursython v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Stmt` is never used
[INFO] [stdout]   --> src/backend/mod.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Stmt {}
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `Serialize` is not local
[INFO] [stdout]   | move the `impl` block outside of this constant `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[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 `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[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 `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[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 `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ move the `impl` block outside of this constant `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `Strictest` is not local
[INFO] [stdout]   | move the `impl` block outside of this constant `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[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 `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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: enum `Stmt` is never used
[INFO] [stdout]   --> src/backend/mod.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Stmt {}
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `Serialize` is not local
[INFO] [stdout]   | move the `impl` block outside of this constant `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[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 `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[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 `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[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 `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ move the `impl` block outside of this constant `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `Strictest` is not local
[INFO] [stdout]   | move the `impl` block outside of this constant `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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/backend/codegen.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "type")]
[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 `_Codegen_registry`
[INFO] [stdout] 5 | pub trait Codegen: DynClone + Debug {
[INFO] [stdout]   |           ------- `Codegen` 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.27s
[INFO] running `Command { std: "docker" "inspect" "fdd91ae1df2a981cbbf39cb811c8de89f0d8b4a34567d954ce4a41675cbddccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd91ae1df2a981cbbf39cb811c8de89f0d8b4a34567d954ce4a41675cbddccf", kill_on_drop: false }`
[INFO] [stdout] fdd91ae1df2a981cbbf39cb811c8de89f0d8b4a34567d954ce4a41675cbddccf