[INFO] fetching crate graviton_backend 0.6.0...
[INFO] checking graviton_backend-0.6.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate graviton_backend 0.6.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate graviton_backend 0.6.0
[INFO] finished tweaking crates.io crate graviton_backend 0.6.0
[INFO] tweaked toml for crates.io crate graviton_backend 0.6.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate graviton_backend 0.6.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]     Checking erased-serde v0.3.31
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[INFO] [stderr]     Checking scroll v0.10.2
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[INFO] [stderr]     Checking graviton_backend v0.6.0 (/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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `Serialize` is not local
[INFO] [stdout]   | move the `impl` block outside of this constant `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `Serialize` is not local
[INFO] [stdout]   | move the `impl` block outside of this constant `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[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 `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[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 `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[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 `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ move the `impl` block outside of this constant `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `Strictest` is not local
[INFO] [stdout]   | move the `impl` block outside of this constant `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[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 `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[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 `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[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 `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[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 `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ move the `impl` block outside of this constant `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `Strictest` is not local
[INFO] [stdout]   | move the `impl` block outside of this constant `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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/vm/object.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[typetag::serde(tag = "StackVmObject")]
[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 `_StackVmObject_registry`
[INFO] [stdout] 5 | pub trait StackVmObject:
[INFO] [stdout]   |           ------------- `StackVmObject` 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 25.14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.56.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "db48f0c7ad72727905f7a300b2fd4c7303205daedd1563b5c86c31b542cc3524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db48f0c7ad72727905f7a300b2fd4c7303205daedd1563b5c86c31b542cc3524", kill_on_drop: false }`
[INFO] [stdout] db48f0c7ad72727905f7a300b2fd4c7303205daedd1563b5c86c31b542cc3524