[INFO] fetching crate lorgn_runtime 0.1.0... [INFO] checking lorgn_runtime-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate lorgn_runtime 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate lorgn_runtime 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lorgn_runtime 0.1.0 [INFO] finished tweaking crates.io crate lorgn_runtime 0.1.0 [INFO] tweaked toml for crates.io crate lorgn_runtime 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 15 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.21.7 (available: v0.22.1) [INFO] [stderr] Adding gc v0.4.1 (available: v0.5.0) [INFO] [stderr] Adding gc_derive v0.4.1 (available: v0.5.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding synstructure v0.12.6 (available: v0.13.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 14c8f8a12ade3f99314853ba72118b820e537ef0e0039b16d96f25f3aaa378d9 [INFO] running `Command { std: "docker" "start" "-a" "14c8f8a12ade3f99314853ba72118b820e537ef0e0039b16d96f25f3aaa378d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "14c8f8a12ade3f99314853ba72118b820e537ef0e0039b16d96f25f3aaa378d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14c8f8a12ade3f99314853ba72118b820e537ef0e0039b16d96f25f3aaa378d9", kill_on_drop: false }` [INFO] [stdout] 14c8f8a12ade3f99314853ba72118b820e537ef0e0039b16d96f25f3aaa378d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73d83733a5d57035027fa56909473b3e0884523d1b528453e02b0efba2fc25f6 [INFO] running `Command { std: "docker" "start" "-a" "73d83733a5d57035027fa56909473b3e0884523d1b528453e02b0efba2fc25f6", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Checking gc v0.4.1 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling gc_derive v0.4.1 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking lorgn_lang v0.1.0 [INFO] [stderr] Checking ron v0.8.1 [INFO] [stderr] Checking lorgn_runtime v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/value.rs:8:44 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct InnerObj(#[unsafe_ignore_trace] HashMap); [INFO] [stdout] | -------- field in this struct ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InnerObj` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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/value.rs:7:24 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug, Clone, Trace, Finalize)] [INFO] [stdout] | ^---- [INFO] [stdout] | | [INFO] [stdout] | `Trace` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_gc_Trace_FOR_InnerObj` [INFO] [stdout] 8 | pub struct InnerObj(#[unsafe_ignore_trace] HashMap); [INFO] [stdout] | -------- `InnerObj` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Trace` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Trace` may come from an old version of the `gc_derive` crate, try updating your dependency with `cargo update -p gc_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 lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Trace` (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/value.rs:7:24 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug, Clone, Trace, Finalize)] [INFO] [stdout] | ^---- [INFO] [stdout] | | [INFO] [stdout] | `Drop` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_std_ops_Drop_FOR_InnerObj` [INFO] [stdout] 8 | pub struct InnerObj(#[unsafe_ignore_trace] HashMap); [INFO] [stdout] | -------- `InnerObj` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Trace` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Trace` may come from an old version of the `gc_derive` crate, try updating your dependency with `cargo update -p gc_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 lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Trace` (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/value.rs:7:31 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug, Clone, Trace, Finalize)] [INFO] [stdout] | ^------- [INFO] [stdout] | | [INFO] [stdout] | `Finalize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_gc_Finalize_FOR_InnerObj` [INFO] [stdout] 8 | pub struct InnerObj(#[unsafe_ignore_trace] HashMap); [INFO] [stdout] | -------- `InnerObj` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Finalize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Finalize` may come from an old version of the `gc_derive` crate, try updating your dependency with `cargo update -p gc_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 lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Finalize` (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/value.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug, Clone, Trace, Finalize)] [INFO] [stdout] | ^---- [INFO] [stdout] | | [INFO] [stdout] | `Trace` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_gc_Trace_FOR_Value` [INFO] [stdout] 11 | pub enum Value { [INFO] [stdout] | ----- `Value` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Trace` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Trace` may come from an old version of the `gc_derive` crate, try updating your dependency with `cargo update -p gc_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 lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Trace` (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/value.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug, Clone, Trace, Finalize)] [INFO] [stdout] | ^---- [INFO] [stdout] | | [INFO] [stdout] | `Drop` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_std_ops_Drop_FOR_Value` [INFO] [stdout] 11 | pub enum Value { [INFO] [stdout] | ----- `Value` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Trace` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Trace` may come from an old version of the `gc_derive` crate, try updating your dependency with `cargo update -p gc_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 lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Trace` (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/value.rs:10:31 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug, Clone, Trace, Finalize)] [INFO] [stdout] | ^------- [INFO] [stdout] | | [INFO] [stdout] | `Finalize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_gc_Finalize_FOR_Value` [INFO] [stdout] 11 | pub enum Value { [INFO] [stdout] | ----- `Value` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Finalize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Finalize` may come from an old version of the `gc_derive` crate, try updating your dependency with `cargo update -p gc_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 lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/value.rs:8:44 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct InnerObj(#[unsafe_ignore_trace] HashMap); [INFO] [stdout] | -------- field in this struct ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InnerObj` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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/value.rs:7:24 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug, Clone, Trace, Finalize)] [INFO] [stdout] | ^---- [INFO] [stdout] | | [INFO] [stdout] | `Trace` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_gc_Trace_FOR_InnerObj` [INFO] [stdout] 8 | pub struct InnerObj(#[unsafe_ignore_trace] HashMap); [INFO] [stdout] | -------- `InnerObj` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Trace` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Trace` may come from an old version of the `gc_derive` crate, try updating your dependency with `cargo update -p gc_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 lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Trace` (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/value.rs:7:24 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug, Clone, Trace, Finalize)] [INFO] [stdout] | ^---- [INFO] [stdout] | | [INFO] [stdout] | `Drop` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_std_ops_Drop_FOR_InnerObj` [INFO] [stdout] 8 | pub struct InnerObj(#[unsafe_ignore_trace] HashMap); [INFO] [stdout] | -------- `InnerObj` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Trace` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Trace` may come from an old version of the `gc_derive` crate, try updating your dependency with `cargo update -p gc_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 lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Trace` (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/value.rs:7:31 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug, Clone, Trace, Finalize)] [INFO] [stdout] | ^------- [INFO] [stdout] | | [INFO] [stdout] | `Finalize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_gc_Finalize_FOR_InnerObj` [INFO] [stdout] 8 | pub struct InnerObj(#[unsafe_ignore_trace] HashMap); [INFO] [stdout] | -------- `InnerObj` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Finalize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Finalize` may come from an old version of the `gc_derive` crate, try updating your dependency with `cargo update -p gc_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 lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Finalize` (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/value.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug, Clone, Trace, Finalize)] [INFO] [stdout] | ^---- [INFO] [stdout] | | [INFO] [stdout] | `Trace` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_gc_Trace_FOR_Value` [INFO] [stdout] 11 | pub enum Value { [INFO] [stdout] | ----- `Value` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Trace` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Trace` may come from an old version of the `gc_derive` crate, try updating your dependency with `cargo update -p gc_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 lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Trace` (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/value.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug, Clone, Trace, Finalize)] [INFO] [stdout] | ^---- [INFO] [stdout] | | [INFO] [stdout] | `Drop` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_std_ops_Drop_FOR_Value` [INFO] [stdout] 11 | pub enum Value { [INFO] [stdout] | ----- `Value` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Trace` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Trace` may come from an old version of the `gc_derive` crate, try updating your dependency with `cargo update -p gc_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 lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Trace` (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/value.rs:10:31 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug, Clone, Trace, Finalize)] [INFO] [stdout] | ^------- [INFO] [stdout] | | [INFO] [stdout] | `Finalize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_gc_Finalize_FOR_Value` [INFO] [stdout] 11 | pub enum Value { [INFO] [stdout] | ----- `Value` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Finalize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Finalize` may come from an old version of the `gc_derive` crate, try updating your dependency with `cargo update -p gc_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 lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.89s [INFO] running `Command { std: "docker" "inspect" "73d83733a5d57035027fa56909473b3e0884523d1b528453e02b0efba2fc25f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73d83733a5d57035027fa56909473b3e0884523d1b528453e02b0efba2fc25f6", kill_on_drop: false }` [INFO] [stdout] 73d83733a5d57035027fa56909473b3e0884523d1b528453e02b0efba2fc25f6