[INFO] fetching crate gctree 0.30.0... [INFO] checking gctree-0.30.0 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] extracting crate gctree 0.30.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate gctree 0.30.0 on toolchain ccf408f4326a858c00dd845a64a86b16f360a801 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate gctree 0.30.0 [INFO] finished tweaking crates.io crate gctree 0.30.0 [INFO] tweaked toml for crates.io crate gctree 0.30.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 65 packages to latest compatible versions [INFO] [stderr] Adding convert_case v0.4.0 (available: v0.6.0) [INFO] [stderr] Adding derive_more v0.99.18 (available: v1.0.0) [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b8ce960da4ea67ae39f30aa924180cf9551b37eb669b5ec198d5f652d516df18 [INFO] running `Command { std: "docker" "start" "-a" "b8ce960da4ea67ae39f30aa924180cf9551b37eb669b5ec198d5f652d516df18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b8ce960da4ea67ae39f30aa924180cf9551b37eb669b5ec198d5f652d516df18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8ce960da4ea67ae39f30aa924180cf9551b37eb669b5ec198d5f652d516df18", kill_on_drop: false }` [INFO] [stdout] b8ce960da4ea67ae39f30aa924180cf9551b37eb669b5ec198d5f652d516df18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48d8f992b8233abf392109fd7dc4702cd828ce59775d59047754cfc9a6356494 [INFO] running `Command { std: "docker" "start" "-a" "48d8f992b8233abf392109fd7dc4702cd828ce59775d59047754cfc9a6356494", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Migrating Cargo.toml from 2021 edition to 2024 [INFO] [stderr] Fixed Cargo.toml (3 fixes) [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Checking thiserror v1.0.64 [INFO] [stderr] Checking ioe v0.6.0 [INFO] [stderr] Checking gctree v0.30.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2021 edition to 2024 [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `gctree` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/forest.rs [INFO] [stderr] * src/gss.rs [INFO] [stderr] [INFO] [stderr] This likely indicates a bug in either rustc or cargo itself, [INFO] [stderr] and we would appreciate a bug report! You're likely to see [INFO] [stderr] a number of compiler warnings after this message which cargo [INFO] [stderr] attempted to fix but failed. If you could open an issue at [INFO] [stderr] https://github.com/rust-lang/rust/issues [INFO] [stderr] quoting the full output of this command we'd be very appreciative! [INFO] [stderr] Note that you may be able to make some more progress in the near-term [INFO] [stderr] fixing code with the `--broken-code` flag [INFO] [stderr] [INFO] [stderr] The following errors were reported: [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/forest.rs:24:14 [INFO] [stderr] | [INFO] [stderr] 24 | ($data:expr_2021 $(, $($children:tt),+)?) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/forest.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | [in $arena:expr_2021] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/forest.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | $parent_idx:expr_2021; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/forest.rs:55:10 [INFO] [stderr] | [INFO] [stderr] 55 | ($data:expr_2021 $(, $($children:tt),+)?) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/gss.rs:27:8 [INFO] [stderr] | [INFO] [stderr] 27 | ($($idx:expr_2021),+ $(,)?) => {{ [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] Original diagnostics will follow. [INFO] [stderr] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/forest.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | ($data:expr $(, $($children:tt),+)?) [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 24 | ($data:expr_2021 $(, $($children:tt),+)?) [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/forest.rs:53:20 [INFO] [stdout] | [INFO] [stdout] 53 | [in $arena:expr] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 53 | [in $arena:expr_2021] [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/forest.rs:54:21 [INFO] [stdout] | [INFO] [stdout] 54 | $parent_idx:expr; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 54 | $parent_idx:expr_2021; [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/forest.rs:55:16 [INFO] [stdout] | [INFO] [stdout] 55 | ($data:expr $(, $($children:tt),+)?) [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 55 | ($data:expr_2021 $(, $($children:tt),+)?) [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/gss.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | ($($idx:expr),+ $(,)?) => {{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 27 | ($($idx:expr_2021),+ $(,)?) => {{ [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/arena.rs:228:10 [INFO] [stdout] | [INFO] [stdout] 228 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/arena.rs:226:9 [INFO] [stdout] | [INFO] [stdout] 226 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] = note: `--force-warn impl-trait-overcaptures` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 228 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/arena.rs:246:10 [INFO] [stdout] | [INFO] [stdout] 246 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/arena.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 244 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 246 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/arena.rs:296:10 [INFO] [stdout] | [INFO] [stdout] 296 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/arena.rs:294:9 [INFO] [stdout] | [INFO] [stdout] 294 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 296 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/arena.rs:305:10 [INFO] [stdout] | [INFO] [stdout] 305 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/arena.rs:303:9 [INFO] [stdout] | [INFO] [stdout] 303 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 305 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/arena.rs:314:10 [INFO] [stdout] | [INFO] [stdout] 314 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/arena.rs:312:9 [INFO] [stdout] | [INFO] [stdout] 312 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 314 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/arena.rs:354:10 [INFO] [stdout] | [INFO] [stdout] 354 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/arena.rs:352:9 [INFO] [stdout] | [INFO] [stdout] 352 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 354 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/arena.rs:516:23 [INFO] [stdout] | [INFO] [stdout] 516 | while let Some(key) = map.next_key()? { [INFO] [stdout] | ^^^^^^^^^^^^^^^^--------------- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/arena.rs:527:17 [INFO] [stdout] | [INFO] [stdout] 527 | } [INFO] [stdout] | ^ [INFO] [stdout] = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/forest.rs:431:10 [INFO] [stdout] | [INFO] [stdout] 431 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/forest.rs:429:9 [INFO] [stdout] | [INFO] [stdout] 429 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 431 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/forest.rs:439:10 [INFO] [stdout] | [INFO] [stdout] 439 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/forest.rs:437:9 [INFO] [stdout] | [INFO] [stdout] 437 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 439 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/forest.rs:447:10 [INFO] [stdout] | [INFO] [stdout] 447 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/forest.rs:445:9 [INFO] [stdout] | [INFO] [stdout] 445 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 447 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/forest.rs:456:10 [INFO] [stdout] | [INFO] [stdout] 456 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/forest.rs:454:9 [INFO] [stdout] | [INFO] [stdout] 454 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 456 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/forest.rs:806:23 [INFO] [stdout] | [INFO] [stdout] 806 | while let Some(key) = map.next_key()? { [INFO] [stdout] | ^^^^^^^^^^^^^^^^--------------- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/forest.rs:817:17 [INFO] [stdout] | [INFO] [stdout] 817 | } [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/gss.rs:197:10 [INFO] [stdout] | [INFO] [stdout] 197 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/gss.rs:194:9 [INFO] [stdout] | [INFO] [stdout] 194 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 197 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | +++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/gss.rs:328:10 [INFO] [stdout] | [INFO] [stdout] 328 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/gss.rs:326:9 [INFO] [stdout] | [INFO] [stdout] 326 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 328 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | +++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `gctree` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/forest.rs [INFO] [stderr] * src/gss.rs [INFO] [stderr] [INFO] [stderr] This likely indicates a bug in either rustc or cargo itself, [INFO] [stderr] and we would appreciate a bug report! You're likely to see [INFO] [stderr] a number of compiler warnings after this message which cargo [INFO] [stderr] attempted to fix but failed. If you could open an issue at [INFO] [stderr] https://github.com/rust-lang/rust/issues [INFO] [stderr] quoting the full output of this command we'd be very appreciative! [INFO] [stderr] Note that you may be able to make some more progress in the near-term [INFO] [stderr] fixing code with the `--broken-code` flag [INFO] [stderr] [INFO] [stderr] The following errors were reported: [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/forest.rs:24:14 [INFO] [stderr] | [INFO] [stderr] 24 | ($data:expr_2021 $(, $($children:tt),+)?) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/forest.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | [in $arena:expr_2021] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/forest.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | $parent_idx:expr_2021; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/forest.rs:55:10 [INFO] [stderr] | [INFO] [stderr] 55 | ($data:expr_2021 $(, $($children:tt),+)?) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/gss.rs:27:8 [INFO] [stderr] | [INFO] [stderr] 27 | ($($idx:expr_2021),+ $(,)?) => {{ [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] Original diagnostics will follow. [INFO] [stderr] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/forest.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | ($data:expr $(, $($children:tt),+)?) [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 24 | ($data:expr_2021 $(, $($children:tt),+)?) [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/forest.rs:53:20 [INFO] [stdout] | [INFO] [stdout] 53 | [in $arena:expr] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 53 | [in $arena:expr_2021] [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/forest.rs:54:21 [INFO] [stdout] | [INFO] [stdout] 54 | $parent_idx:expr; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 54 | $parent_idx:expr_2021; [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/forest.rs:55:16 [INFO] [stdout] | [INFO] [stdout] 55 | ($data:expr $(, $($children:tt),+)?) [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 55 | ($data:expr_2021 $(, $($children:tt),+)?) [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/gss.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | ($($idx:expr),+ $(,)?) => {{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 27 | ($($idx:expr_2021),+ $(,)?) => {{ [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/arena.rs:228:10 [INFO] [stdout] | [INFO] [stdout] 228 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/arena.rs:226:9 [INFO] [stdout] | [INFO] [stdout] 226 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] = note: `--force-warn impl-trait-overcaptures` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 228 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/arena.rs:246:10 [INFO] [stdout] | [INFO] [stdout] 246 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/arena.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 244 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 246 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/arena.rs:296:10 [INFO] [stdout] | [INFO] [stdout] 296 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/arena.rs:294:9 [INFO] [stdout] | [INFO] [stdout] 294 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 296 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/arena.rs:305:10 [INFO] [stdout] | [INFO] [stdout] 305 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/arena.rs:303:9 [INFO] [stdout] | [INFO] [stdout] 303 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 305 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/arena.rs:314:10 [INFO] [stdout] | [INFO] [stdout] 314 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/arena.rs:312:9 [INFO] [stdout] | [INFO] [stdout] 312 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 314 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/arena.rs:354:10 [INFO] [stdout] | [INFO] [stdout] 354 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/arena.rs:352:9 [INFO] [stdout] | [INFO] [stdout] 352 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 354 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/arena.rs:516:23 [INFO] [stdout] | [INFO] [stdout] 516 | while let Some(key) = map.next_key()? { [INFO] [stdout] | ^^^^^^^^^^^^^^^^--------------- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/arena.rs:527:17 [INFO] [stdout] | [INFO] [stdout] 527 | } [INFO] [stdout] | ^ [INFO] [stdout] = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/forest.rs:431:10 [INFO] [stdout] | [INFO] [stdout] 431 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/forest.rs:429:9 [INFO] [stdout] | [INFO] [stdout] 429 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 431 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/forest.rs:439:10 [INFO] [stdout] | [INFO] [stdout] 439 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/forest.rs:437:9 [INFO] [stdout] | [INFO] [stdout] 437 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 439 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/forest.rs:447:10 [INFO] [stdout] | [INFO] [stdout] 447 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/forest.rs:445:9 [INFO] [stdout] | [INFO] [stdout] 445 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 447 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/forest.rs:456:10 [INFO] [stdout] | [INFO] [stdout] 456 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/forest.rs:454:9 [INFO] [stdout] | [INFO] [stdout] 454 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 456 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/forest.rs:806:23 [INFO] [stdout] | [INFO] [stdout] 806 | while let Some(key) = map.next_key()? { [INFO] [stdout] | ^^^^^^^^^^^^^^^^--------------- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/forest.rs:817:17 [INFO] [stdout] | [INFO] [stdout] 817 | } [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/gss.rs:197:10 [INFO] [stdout] | [INFO] [stdout] 197 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/gss.rs:194:9 [INFO] [stdout] | [INFO] [stdout] 194 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 197 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | +++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl DoubleEndedIterator + Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/gss.rs:328:10 [INFO] [stdout] | [INFO] [stdout] 328 | ) -> impl DoubleEndedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/gss.rs:326:9 [INFO] [stdout] | [INFO] [stdout] 326 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 328 | ) -> impl DoubleEndedIterator + use { [INFO] [stdout] | +++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.71s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Checking gctree v0.30.0 (/tmp/fixit) [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/arena.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 101 | for idx in self.dfs_before(node_idx).rev(/* leaves -> ... -> node_idx */) { [INFO] [stdout] | -------------------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | a temporary with access to the immutable borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 105 | self.rm_edges(self[idx].parent_idxs().collect::>(), [idx])?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 113 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `Rev>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.garbage` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/arena.rs:112:13 [INFO] [stdout] | [INFO] [stdout] 101 | for idx in self.dfs_before(node_idx).rev(/* leaves -> ... -> node_idx */) { [INFO] [stdout] | -------------------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 112 | self.garbage.push_back(idx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/arena.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 125 | for idx in self.dfs_before(node_idx) { [INFO] [stdout] | ------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | a temporary with access to the immutable borrow is created here ... [INFO] [stdout] 126 | if self[idx].has_parents() { continue } [INFO] [stdout] 127 | self.rm_edges([idx], self[idx].child_idxs().collect::>())?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 134 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `impl DoubleEndedIterator + Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.garbage` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/arena.rs:133:13 [INFO] [stdout] | [INFO] [stdout] 125 | for idx in self.dfs_before(node_idx) { [INFO] [stdout] | ------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 133 | self.garbage.push_back(idx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/arena.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 101 | for idx in self.dfs_before(node_idx).rev(/* leaves -> ... -> node_idx */) { [INFO] [stdout] | -------------------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | a temporary with access to the immutable borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 105 | self.rm_edges(self[idx].parent_idxs().collect::>(), [idx])?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 113 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `Rev>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.garbage` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/arena.rs:112:13 [INFO] [stdout] | [INFO] [stdout] 101 | for idx in self.dfs_before(node_idx).rev(/* leaves -> ... -> node_idx */) { [INFO] [stdout] | -------------------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 112 | self.garbage.push_back(idx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/arena.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 125 | for idx in self.dfs_before(node_idx) { [INFO] [stdout] | ------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | a temporary with access to the immutable borrow is created here ... [INFO] [stdout] 126 | if self[idx].has_parents() { continue } [INFO] [stdout] 127 | self.rm_edges([idx], self[idx].child_idxs().collect::>())?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 134 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `impl DoubleEndedIterator + Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.garbage` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/arena.rs:133:13 [INFO] [stdout] | [INFO] [stdout] 125 | for idx in self.dfs_before(node_idx) { [INFO] [stdout] | ------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 133 | self.garbage.push_back(idx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `gctree` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `gctree` (lib test) due to 5 previous errors [INFO] [stderr] error: failed to check after updating to 2024 [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "48d8f992b8233abf392109fd7dc4702cd828ce59775d59047754cfc9a6356494", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48d8f992b8233abf392109fd7dc4702cd828ce59775d59047754cfc9a6356494", kill_on_drop: false }` [INFO] [stdout] 48d8f992b8233abf392109fd7dc4702cd828ce59775d59047754cfc9a6356494