[INFO] fetching crate elise 0.1.1...
[INFO] testing elise-0.1.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate elise 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate elise 0.1.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elise 0.1.1
[INFO] finished tweaking crates.io crate elise 0.1.1
[INFO] tweaked toml for crates.io crate elise 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate elise 0.1.1 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elise-gc v0.1.1
[INFO] [stderr]   Downloaded crossbeam v0.8.1
[INFO] [stderr]   Downloaded dashmap v5.3.4
[INFO] [stderr]   Downloaded elise-derive v0.1.1
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[INFO] [stderr]   Downloaded crossbeam-channel v0.5.5
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[INFO] [stderr]   Downloaded regex v1.5.6
[INFO] [stderr]   Downloaded hashbrown v0.12.1
[INFO] [stderr]   Downloaded pin-cell v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f941a2a21bc137680585fe2e79f241fc3df4439be0549c71853e8829a4c6cc2f
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[INFO] [stdout] 628cc71dc9e81f25e9d14692cefcbb28b7328e4e20cc413b2806302cf24a869f
[INFO] running `Command { std: "docker" "start" "-a" "628cc71dc9e81f25e9d14692cefcbb28b7328e4e20cc413b2806302cf24a869f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling pin-cell v0.1.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling dashmap v5.3.4
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling elise-gc v0.1.1
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling elise-derive v0.1.1
[INFO] [stderr]    Compiling elise v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "628cc71dc9e81f25e9d14692cefcbb28b7328e4e20cc413b2806302cf24a869f", kill_on_drop: false }`
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[INFO] [stdout] 628cc71dc9e81f25e9d14692cefcbb28b7328e4e20cc413b2806302cf24a869f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fef7e24dded073fe15a66fe33a80c28a1f6874202885a2941b88f0e187722e6
[INFO] running `Command { std: "docker" "start" "-a" "9fef7e24dded073fe15a66fe33a80c28a1f6874202885a2941b88f0e187722e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling elise-gc v0.1.1
[INFO] [stderr]    Compiling elise v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.6
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[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> examples/example.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `letroot`
[INFO] [stdout]  --> examples/example.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use elise::{letroot, Finalize, Gc, GcStore, HeapRoot, GC};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> examples/cells.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(GC)]
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Trace_FOR_Foo`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> examples/cells.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(GC)]
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Reroot_root_FOR_Foo`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]   = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> examples/cells.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(GC)]
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_GC_root_FOR_Foo`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]   = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> examples/cells.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(GC)]
[INFO] [stdout]    |          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Trace_FOR_Null`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> examples/cells.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(GC)]
[INFO] [stdout]    |          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Reroot_root_FOR_Null`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> examples/cells.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(GC)]
[INFO] [stdout]    |          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_NullTrace_FOR_Null`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> examples/cells.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(GC)]
[INFO] [stdout]    |          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_GC_root_FOR_Null`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> examples/example.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(GC)]
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Trace_FOR_Foo`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> examples/example.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(GC)]
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Reroot_root_FOR_Foo`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]   = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> examples/example.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(GC)]
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_GC_root_FOR_Foo`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]   = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> examples/example.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(GC)]
[INFO] [stdout]    |          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Trace_FOR_Bar`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> examples/example.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(GC)]
[INFO] [stdout]    |          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Reroot_root_FOR_Bar`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> examples/example.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(GC)]
[INFO] [stdout]    |          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_GC_root_FOR_Bar`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> examples/features.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(elise::GC)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Trace_FOR_Foo`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `elise::GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `elise::GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> examples/features.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(elise::GC)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Reroot_root_FOR_Foo`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `elise::GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]   = note: this warning originates in the derive macro `elise::GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> examples/features.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(elise::GC)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_GC_root_FOR_Foo`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `elise::GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stdout]   = note: this warning originates in the derive macro `elise::GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9fef7e24dded073fe15a66fe33a80c28a1f6874202885a2941b88f0e187722e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fef7e24dded073fe15a66fe33a80c28a1f6874202885a2941b88f0e187722e6", kill_on_drop: false }`
[INFO] [stdout] 9fef7e24dded073fe15a66fe33a80c28a1f6874202885a2941b88f0e187722e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d95cd501d6769c0e054e019b31143bf5d91b46f2b47ce915139dab27d73b5a15
[INFO] running `Command { std: "docker" "start" "-a" "d95cd501d6769c0e054e019b31143bf5d91b46f2b47ce915139dab27d73b5a15", kill_on_drop: false }`
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]  --> examples/cells.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[derive(GC)]
[INFO] [stderr]   |          ^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Trace_FOR_Foo`
[INFO] [stderr]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]   = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stderr]   = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]  --> examples/cells.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[derive(GC)]
[INFO] [stderr]   |          ^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Reroot_root_FOR_Foo`
[INFO] [stderr]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]   = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]   = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]  --> examples/cells.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[derive(GC)]
[INFO] [stderr]   |          ^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_GC_root_FOR_Foo`
[INFO] [stderr]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]   = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]   = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]   --> examples/cells.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(GC)]
[INFO] [stderr]    |          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Trace_FOR_Null`
[INFO] [stderr]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]   --> examples/cells.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(GC)]
[INFO] [stderr]    |          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Reroot_root_FOR_Null`
[INFO] [stderr]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]   --> examples/cells.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(GC)]
[INFO] [stderr]    |          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_NullTrace_FOR_Null`
[INFO] [stderr]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]   --> examples/cells.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(GC)]
[INFO] [stderr]    |          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_GC_root_FOR_Null`
[INFO] [stderr]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> examples/example.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `letroot`
[INFO] [stderr]  --> examples/example.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use elise::{letroot, Finalize, Gc, GcStore, HeapRoot, GC};
[INFO] [stderr]   |             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]  --> examples/example.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[derive(GC)]
[INFO] [stderr]   |          ^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Trace_FOR_Foo`
[INFO] [stderr]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]   = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stderr]   = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]  --> examples/example.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[derive(GC)]
[INFO] [stderr]   |          ^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Reroot_root_FOR_Foo`
[INFO] [stderr]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]   = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]   = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]  --> examples/example.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[derive(GC)]
[INFO] [stderr]   |          ^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_GC_root_FOR_Foo`
[INFO] [stderr]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]   = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]   = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]   --> examples/example.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 | #[derive(GC)]
[INFO] [stderr]    |          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Trace_FOR_Bar`
[INFO] [stderr]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]   --> examples/example.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 | #[derive(GC)]
[INFO] [stderr]    |          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Reroot_root_FOR_Bar`
[INFO] [stderr]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]   --> examples/example.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 | #[derive(GC)]
[INFO] [stderr]    |          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: move this `impl` block outside the of the current constant `_DERIVE_elise_GC_root_FOR_Bar`
[INFO] [stderr]    = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]    = note: the derive macro `GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]    = note: this warning originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]  --> examples/features.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(elise::GC)]
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Trace_FOR_Foo`
[INFO] [stderr]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]   = note: the derive macro `elise::GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stderr]   = note: this warning originates in the derive macro `elise::GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]  --> examples/features.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(elise::GC)]
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_raw_Reroot_root_FOR_Foo`
[INFO] [stderr]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]   = note: the derive macro `elise::GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]   = note: this warning originates in the derive macro `elise::GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]  --> examples/features.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(elise::GC)]
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: move this `impl` block outside the of the current constant `_DERIVE_elise_GC_root_FOR_Foo`
[INFO] [stderr]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]   = note: the derive macro `elise::GC` may come from an old version of the `elise_derive` crate, try updating your dependency with `cargo update -p elise_derive`
[INFO] [stderr]   = note: this warning originates in the derive macro `elise::GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `elise` (example "cells") generated 7 warnings
[INFO] [stderr] warning: `elise` (example "example") generated 8 warnings (run `cargo fix --example "example"` to apply 2 suggestions)
[INFO] [stderr] warning: `elise` (example "features") generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/elise-bb9762b8cfac967e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] thread 'tests::rerooting' panicked at library/core/src/panicking.rs:219:5:
[INFO] [stderr] attempted to compute the size or alignment of extern type `alloc::Data`
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55bb977e7a55 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]    1:     0x55bb977e7a55 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x55bb977e7a55 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]    3:     0x55bb977e7a55 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x55bb9780e35b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]    5:     0x55bb9780e35b - core::fmt::write::h8bcd80919a02be29
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]    6:     0x55bb977e533f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]    7:     0x55bb977e782e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x55bb977e782e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x55bb977e9259 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stderr]   10:     0x55bb977e8f9d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stderr]   11:     0x55bb9779208a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   12:     0x55bb9779208a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stderr]   13:     0x55bb977e985b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   14:     0x55bb977e985b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stderr]   15:     0x55bb977e959b - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stderr]   16:     0x55bb977e7f19 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]   17:     0x55bb977e9307 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stderr]   18:     0x55bb975fedd0 - core::panicking::panic_nounwind_fmt::runtime::h4b9f1774825d29a1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:110:18
[INFO] [stderr]   19:     0x55bb975fedd0 - core::panicking::panic_nounwind_fmt::h7f70629ab29f76f1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:120:5
[INFO] [stderr]   20:     0x55bb975fee62 - core::panicking::panic_nounwind::hde0018e2d22904b7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:219:5
[INFO] [stderr]   21:     0x55bb977a5070 - elise_gc::alloc::Allocation<T>::data::he0ae3ded6341b754
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/elise-gc-0.1.1/alloc.rs:62:9
[INFO] [stderr]   22:     0x55bb977a50c3 - elise_gc::alloc::Allocation<T>::dyn_data::h1d819437d8c3ae99
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/elise-gc-0.1.1/alloc.rs:76:23
[INFO] [stderr]   23:     0x55bb977a503b - elise_gc::alloc::Allocation<T>::mark::he943330cc2ac62f5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/elise-gc-0.1.1/alloc.rs:57:13
[INFO] [stderr]   24:     0x55bb977a573e - elise_gc::state::GcState::collect::hc7419c06705b1d1c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/elise-gc-0.1.1/state.rs:28:21
[INFO] [stderr]   25:     0x55bb977a5c1e - elise_gc::collect::{{closure}}::hf75d7d4a14575107
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/elise-gc-0.1.1/lib.rs:69:18
[INFO] [stderr]   26:     0x55bb977a5b6c - elise_gc::with_gc::h63f2f48ffc2914b4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/elise-gc-0.1.1/lib.rs:65:5
[INFO] [stderr]   27:     0x55bb977a5c07 - elise_gc::collect::he5597e60584e2ba7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/elise-gc-0.1.1/lib.rs:69:5
[INFO] [stderr]   28:     0x55bb97604fe3 - elise::tests::rerooting::hfd9a17441c835a8e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/tests.rs:30:13
[INFO] [stderr]   29:     0x55bb97604e57 - elise::tests::rerooting::{{closure}}::h768b41970f8958b4
[INFO] [stderr]                                at /opt/rustwide/workdir/src/tests.rs:15:15
[INFO] [stderr]   30:     0x55bb976002b6 - core::ops::function::FnOnce::call_once::h3603327e7ad83d2b
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   31:     0x55bb97796a6b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   32:     0x55bb97796a6b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stderr]   33:     0x55bb97796171 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stderr]   34:     0x55bb97796171 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   35:     0x55bb97796171 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   36:     0x55bb97796171 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   37:     0x55bb97796171 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   38:     0x55bb97796171 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stderr]   39:     0x55bb97796171 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stderr]   40:     0x55bb9775eb34 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stderr]   41:     0x55bb9775eb34 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stderr]   42:     0x55bb97763562 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stderr]   43:     0x55bb97763562 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   44:     0x55bb97763562 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   45:     0x55bb97763562 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   46:     0x55bb97763562 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   47:     0x55bb97763562 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stderr]   48:     0x55bb97763562 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   49:     0x55bb977eda3b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   50:     0x55bb977eda3b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   51:     0x55bb977eda3b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]   52:     0x7f1802b77ac3 - <unknown>
[INFO] [stderr]   53:     0x7f1802c08a04 - __clone
[INFO] [stderr]   54:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/elise-bb9762b8cfac967e` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "d95cd501d6769c0e054e019b31143bf5d91b46f2b47ce915139dab27d73b5a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95cd501d6769c0e054e019b31143bf5d91b46f2b47ce915139dab27d73b5a15", kill_on_drop: false }`
[INFO] [stdout] d95cd501d6769c0e054e019b31143bf5d91b46f2b47ce915139dab27d73b5a15
