[INFO] fetching crate elise 0.1.1...
[INFO] checking elise-0.1.1 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] extracting crate elise 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate elise 0.1.1 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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-6-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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 234bc3d7f244c4f3445d47ea438f43d919451f07c36972f5f4de52c0abf12fe2
[INFO] running `Command { std: "docker" "start" "-a" "234bc3d7f244c4f3445d47ea438f43d919451f07c36972f5f4de52c0abf12fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "234bc3d7f244c4f3445d47ea438f43d919451f07c36972f5f4de52c0abf12fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "234bc3d7f244c4f3445d47ea438f43d919451f07c36972f5f4de52c0abf12fe2", kill_on_drop: false }`
[INFO] [stdout] 234bc3d7f244c4f3445d47ea438f43d919451f07c36972f5f4de52c0abf12fe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a03995c154a010a41d7ed60840e26575f409143032a4464c8260ac50516158cc
[INFO] running `Command { std: "docker" "start" "-a" "a03995c154a010a41d7ed60840e26575f409143032a4464c8260ac50516158cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking pin-cell v0.1.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking dashmap v5.3.4
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking elise-gc v0.1.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling elise-derive v0.1.1
[INFO] [stderr]     Checking elise v0.1.1 (/opt/rustwide/workdir)
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.73s
[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" "a03995c154a010a41d7ed60840e26575f409143032a4464c8260ac50516158cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a03995c154a010a41d7ed60840e26575f409143032a4464c8260ac50516158cc", kill_on_drop: false }`
[INFO] [stdout] a03995c154a010a41d7ed60840e26575f409143032a4464c8260ac50516158cc
[INFO] checking elise-0.1.1 against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393-1
[INFO] extracting crate elise 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate elise 0.1.1 on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "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-6-tc2/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" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c0ee396599ee59cb56914ab1f3439640f5ad9d225ee9aaefe2fc4c3b5347ffe
[INFO] running `Command { std: "docker" "start" "-a" "9c0ee396599ee59cb56914ab1f3439640f5ad9d225ee9aaefe2fc4c3b5347ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c0ee396599ee59cb56914ab1f3439640f5ad9d225ee9aaefe2fc4c3b5347ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0ee396599ee59cb56914ab1f3439640f5ad9d225ee9aaefe2fc4c3b5347ffe", kill_on_drop: false }`
[INFO] [stdout] 9c0ee396599ee59cb56914ab1f3439640f5ad9d225ee9aaefe2fc4c3b5347ffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dnon_local_definitions" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8497ea0982a84ecf776c692440d69987edb26c131bfabf346c6fae6a80f0acf0
[INFO] running `Command { std: "docker" "start" "-a" "8497ea0982a84ecf776c692440d69987edb26c131bfabf346c6fae6a80f0acf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking pin-cell v0.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking dashmap v5.3.4
[INFO] [stderr]     Checking elise-gc v0.1.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling elise-derive v0.1.1
[INFO] [stderr]     Checking elise v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]   = note: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elise` (example "cells") due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]   = note: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elise` (example "example") due to 7 previous errors; 2 warnings emitted
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]   = note: this error originates in the derive macro `elise::GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `elise::GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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 neither the type nor the trait are at the same nesting level as the `impl` block
[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: this error originates in the derive macro `elise::GC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elise` (example "features") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "8497ea0982a84ecf776c692440d69987edb26c131bfabf346c6fae6a80f0acf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8497ea0982a84ecf776c692440d69987edb26c131bfabf346c6fae6a80f0acf0", kill_on_drop: false }`
[INFO] [stdout] 8497ea0982a84ecf776c692440d69987edb26c131bfabf346c6fae6a80f0acf0
