[INFO] fetching crate par-dfs 0.0.7... [INFO] checking par-dfs-0.0.7 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] extracting crate par-dfs 0.0.7 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate par-dfs 0.0.7 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 par-dfs 0.0.7 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate par-dfs 0.0.7 [INFO] tweaked toml for crates.io crate par-dfs 0.0.7 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate par-dfs 0.0.7 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" "+ccf408f4326a858c00dd845a64a86b16f360a801" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 18de78bfaa5838701cc1dbb4f54e6a5f0fb2d74d8666f50892227becf8f7b64c [INFO] running `Command { std: "docker" "start" "-a" "18de78bfaa5838701cc1dbb4f54e6a5f0fb2d74d8666f50892227becf8f7b64c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18de78bfaa5838701cc1dbb4f54e6a5f0fb2d74d8666f50892227becf8f7b64c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18de78bfaa5838701cc1dbb4f54e6a5f0fb2d74d8666f50892227becf8f7b64c", kill_on_drop: false }` [INFO] [stdout] 18de78bfaa5838701cc1dbb4f54e6a5f0fb2d74d8666f50892227becf8f7b64c [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" "-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] 25bcdf712e879f04230725b759109155e31e258653272326bd4cebad62425ee9 [INFO] running `Command { std: "docker" "start" "-a" "25bcdf712e879f04230725b759109155e31e258653272326bd4cebad62425ee9", 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] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Checking futures-sink v0.3.24 [INFO] [stderr] Compiling futures-channel v0.3.24 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Checking ciborium-io v0.2.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Checking os_str_bytes v6.3.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling tokio v1.21.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking ciborium-ll v0.2.0 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking plotters-svg v0.3.3 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking futures-io v0.3.24 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Compiling anyhow v1.0.64 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking bytes v1.2.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Compiling paste v1.0.9 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking pretty_assertions v1.3.0 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking plotters v0.3.4 [INFO] [stderr] Checking futures v0.3.24 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling thiserror-impl v1.0.34 [INFO] [stderr] Compiling async-stream-impl v0.3.3 [INFO] [stderr] Compiling clap_derive v3.2.18 [INFO] [stderr] Checking async-stream v0.3.3 [INFO] [stderr] Checking thiserror v1.0.34 [INFO] [stderr] Checking par-dfs v0.0.7 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2021 edition to 2024 [INFO] [stdout] warning: methods `len`, `is_empty`, and `split_off` are never used [INFO] [stdout] --> src/sync/mod.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub(crate) trait Queue { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] 35 | /// Returns the number of items in the queue [INFO] [stdout] 36 | fn len(&self) -> usize; [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn split_off(&mut self, at: usize) -> Self; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking clap v3.2.21 [INFO] [stderr] Checking tokio-stream v0.1.9 [INFO] [stderr] Checking tokio-test v0.4.2 [INFO] [stderr] Checking ciborium v0.2.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stderr] Migrating benches/benches.rs from 2021 edition to 2024 [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `benches` [INFO] [stdout] warning: unused import: `sync_collatz::*` [INFO] [stdout] --> benches/benches.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | pub use sync_collatz::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * benches/benches.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] --> benches/benches.rs:257:35 [INFO] [stderr] | [INFO] [stderr] 257 | ($name:ident: $group:literal, $iter:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error: aborting due to 1 previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] Original diagnostics will follow. [INFO] [stderr] [INFO] [stderr] Migrating examples/async/fs.rs from 2021 edition to 2024 [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> benches/benches.rs:259:41 [INFO] [stdout] | [INFO] [stdout] 259 | ($name:ident: $group:literal, $iter:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 259 | ($name:ident: $group:literal, $iter:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl Iterator>` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> benches/benches.rs:114:10 [INFO] [stdout] | [INFO] [stdout] 114 | ) -> impl Iterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds [INFO] [stdout] --> benches/benches.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | &self, [INFO] [stdout] | ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] = note: `--force-warn impl-trait-overcaptures` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 114 | ) -> impl Iterator> + use<> { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating examples/sync/fs.rs from 2021 edition to 2024 [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `par_dfs` [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/sync/bfs.rs:268:31 [INFO] [stdout] | [INFO] [stdout] 268 | ($name:ident: $values:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 268 | ($name:ident: $values:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/sync/bfs.rs [INFO] [stderr] * src/sync/dfs.rs [INFO] [stderr] * src/utils.rs [INFO] [stderr] [INFO] [stderr] This likely indicates a bug in either rustc or cargo itself, [INFO] [stderr] and we would appreciate a bug report! You're likely to see [INFO] [stderr] a number of compiler warnings after this message which cargo [INFO] [stderr] attempted to fix but failed. If you could open an issue at [INFO] [stderr] https://github.com/rust-lang/rust/issues [INFO] [stderr] quoting the full output of this command we'd be very appreciative! [INFO] [stderr] Note that you may be able to make some more progress in the near-term [INFO] [stderr] fixing code with the `--broken-code` flag [INFO] [stderr] [INFO] [stderr] The following errors were reported: [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/sync/bfs.rs:268:23 [INFO] [stderr] | [INFO] [stderr] 268 | ($name:ident: $values:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/sync/bfs.rs:283:31 [INFO] [stdout] | [INFO] [stdout] 283 | ($name:ident: $values:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 283 | ($name:ident: $values:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/sync/bfs.rs:299:31 [INFO] [stdout] | [INFO] [stdout] 299 | ($name:ident: $values:expr, $($macro:ident,)*) => { [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] 299 | ($name:ident: $values:expr_2021, $($macro:ident,)*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/sync/bfs.rs:283:23 [INFO] [stderr] | [INFO] [stderr] 283 | ($name:ident: $values:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/sync/bfs.rs:299:23 [INFO] [stderr] | [INFO] [stderr] 299 | ($name:ident: $values:expr_2021, $($macro:ident,)*) => { [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] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/sync/dfs.rs:258:31 [INFO] [stdout] | [INFO] [stdout] 258 | ($name:ident: $values:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 258 | ($name:ident: $values:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/sync/dfs.rs:272:31 [INFO] [stdout] | [INFO] [stdout] 272 | ($name:ident: $values:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 272 | ($name:ident: $values:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] --> src/sync/dfs.rs:258:23 [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/sync/dfs.rs:288:31 [INFO] [stdout] | [INFO] [stdout] 288 | ($name:ident: $values:expr, $($macro:ident,)*) => { [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] 288 | ($name:ident: $values:expr_2021, $($macro:ident,)*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] 258 | ($name:ident: $values:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/utils.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | ($left:expr, $right:expr $(,)?) => {{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 6 | ($left:expr_2021, $right:expr $(,)?) => {{ [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] --> src/sync/dfs.rs:272:23 [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/utils.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 6 | ($left:expr, $right:expr $(,)?) => {{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 6 | ($left:expr, $right:expr_2021 $(,)?) => {{ [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] 272 | ($name:ident: $values:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/sync/dfs.rs:288:23 [INFO] [stderr] | [INFO] [stderr] 288 | ($name:ident: $values:expr_2021, $($macro:ident,)*) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/utils.rs:13:16 [INFO] [stdout] | [INFO] [stdout] 13 | ($left:expr, $right:expr, $($arg: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] 13 | ($left:expr_2021, $right:expr, $($arg:tt)+) => {{ [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [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/utils.rs:6:10 [INFO] [stderr] | [INFO] [stderr] 6 | ($left:expr_2021, $right:expr_2021 $(,)?) => {{ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/utils.rs:13:29 [INFO] [stdout] | [INFO] [stdout] 13 | ($left:expr, $right:expr, $($arg: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] 13 | ($left:expr, $right:expr_2021, $($arg:tt)+) => {{ [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [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/utils.rs:6:27 [INFO] [stderr] | [INFO] [stdout] warning: methods `len`, `is_empty`, and `split_off` are never used [INFO] [stdout] --> src/sync/mod.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub(crate) trait Queue { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] 35 | /// Returns the number of items in the queue [INFO] [stdout] 36 | fn len(&self) -> usize; [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn split_off(&mut self, at: usize) -> Self; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 6 | ($left:expr_2021, $right:expr_2021 $(,)?) => {{ [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/utils.rs:13:10 [INFO] [stderr] | [INFO] [stderr] 13 | ($left:expr_2021, $right:expr_2021, $($arg: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/utils.rs:13:27 [INFO] [stderr] | [INFO] [stderr] 13 | ($left:expr_2021, $right:expr_2021, $($arg: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: aborting due to 10 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.23s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Checking par-dfs v0.0.7 (/tmp/fixit) [INFO] [stdout] warning: methods `len`, `is_empty`, and `split_off` are never used [INFO] [stdout] --> src/sync/mod.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub(crate) trait Queue { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] 35 | /// Returns the number of items in the queue [INFO] [stdout] 36 | fn len(&self) -> usize; [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn split_off(&mut self, at: usize) -> Self; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `len`, `is_empty`, and `split_off` are never used [INFO] [stdout] --> src/sync/mod.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub(crate) trait Queue { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] 35 | /// Returns the number of items in the queue [INFO] [stdout] 36 | fn len(&self) -> usize; [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn split_off(&mut self, at: usize) -> Self; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sync_collatz::*` [INFO] [stdout] --> benches/benches.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | pub use sync_collatz::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> benches/benches.rs:192:13 [INFO] [stdout] | [INFO] [stdout] 191 | fn children(&self, _depth: usize) -> NodeIter { [INFO] [stdout] | - let's call the lifetime of this reference `'1` [INFO] [stdout] 192 | Ok(Box::new(self.collatz_children())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ returning this value requires that `'1` must outlive `'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `par-dfs` (bench "benches") due to 2 previous errors; 1 warning emitted [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" "25bcdf712e879f04230725b759109155e31e258653272326bd4cebad62425ee9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25bcdf712e879f04230725b759109155e31e258653272326bd4cebad62425ee9", kill_on_drop: false }` [INFO] [stdout] 25bcdf712e879f04230725b759109155e31e258653272326bd4cebad62425ee9