[INFO] cloning repository https://github.com/HellOwhatAs/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HellOwhatAs/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHellOwhatAs%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHellOwhatAs%2Frust-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc3732e346485dc2247c94f73124d256912edf68 [INFO] checking HellOwhatAs/rust-learn/fc3732e346485dc2247c94f73124d256912edf68 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHellOwhatAs%2Frust-learn" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/HellOwhatAs/rust-learn 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 git repo https://github.com/HellOwhatAs/rust-learn [INFO] finished tweaking git repo https://github.com/HellOwhatAs/rust-learn [INFO] tweaked toml for git repo https://github.com/HellOwhatAs/rust-learn written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/HellOwhatAs/rust-learn 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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c0ae5ebcd7f4b101fad2a5d51a68cdbe5adc0952b9005e3832f8a5f32d40777 [INFO] running `Command { std: "docker" "start" "-a" "0c0ae5ebcd7f4b101fad2a5d51a68cdbe5adc0952b9005e3832f8a5f32d40777", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c0ae5ebcd7f4b101fad2a5d51a68cdbe5adc0952b9005e3832f8a5f32d40777", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c0ae5ebcd7f4b101fad2a5d51a68cdbe5adc0952b9005e3832f8a5f32d40777", kill_on_drop: false }` [INFO] [stdout] 0c0ae5ebcd7f4b101fad2a5d51a68cdbe5adc0952b9005e3832f8a5f32d40777 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01903c95ea2f753003481f31ff1f1ec1db3b934f08f561d754761b3ff8cd037e [INFO] running `Command { std: "docker" "start" "-a" "01903c95ea2f753003481f31ff1f1ec1db3b934f08f561d754761b3ff8cd037e", 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 memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking rust-learn v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2021 edition to 2024 [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `rust_learn` [INFO] [stderr] [INFO] [stdout] warning: extern blocks should be unsafe [INFO] [stdout] --> src/advanced_features.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | extern "C" { [INFO] [stdout] | ^ [INFO] [stdout] | | [INFO] [stdout] | _________help: needs `unsafe` before the extern keyword: `unsafe` [INFO] [stdout] | | [INFO] [stdout] 56 | | fn rand() -> i32; [INFO] [stdout] 57 | | fn srand(seed: u32); [INFO] [stdout] 58 | | fn time(ptr: u32) -> u32; [INFO] [stdout] 59 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024! [INFO] [stdout] = note: for more information, see issue #123743 [INFO] [stdout] = note: `--force-warn missing-unsafe-on-extern` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/advanced_features.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] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/advanced_features.rs:232:21 [INFO] [stdout] | [INFO] [stdout] 232 | (($sep: expr, $l: expr, $r: expr), $($x: 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] 232 | (($sep: expr_2021, $l: expr, $r: expr), $($x: expr),*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] quoting the full output of this command we'd be very appreciative! [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/advanced_features.rs:232:31 [INFO] [stdout] | [INFO] [stdout] 232 | (($sep: expr, $l: expr, $r: expr), $($x: 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] 232 | (($sep: expr, $l: expr_2021, $r: expr), $($x: expr),*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Note that you may be able to make some more progress in the near-term [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/advanced_features.rs:232:41 [INFO] [stdout] | [INFO] [stdout] 232 | (($sep: expr, $l: expr, $r: expr), $($x: 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] 232 | (($sep: expr, $l: expr, $r: expr_2021), $($x: expr),*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] fixing code with the `--broken-code` flag [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/advanced_features.rs:232:54 [INFO] [stdout] | [INFO] [stdout] 232 | (($sep: expr, $l: expr, $r: expr), $($x: 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] 232 | (($sep: expr, $l: expr, $r: expr), $($x: expr_2021),*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/advanced_features.rs:235:20 [INFO] [stdout] | [INFO] [stdout] 235 | ($sep: expr, $($x: 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] 235 | ($sep: expr_2021, $($x: expr),*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] The following errors were reported: [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/advanced_features.rs:232:15 [INFO] [stderr] | [INFO] [stderr] 232 | (($sep: expr_2021, $l: expr_2021, $r: expr_2021), $($x: expr_2021),*) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/advanced_features.rs:235:32 [INFO] [stdout] | [INFO] [stdout] 235 | ($sep: expr, $($x: 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] 235 | ($sep: expr, $($x: expr_2021),*) => { [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] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/smart_pointers.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | Cons(T, Box>), [INFO] [stdout] | ---- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | Cons(T, ()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/advanced_features.rs:232:32 [INFO] [stderr] | [INFO] [stderr] 232 | (($sep: expr_2021, $l: expr_2021, $r: expr_2021), $($x: 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/advanced_features.rs:232:47 [INFO] [stderr] | [INFO] [stderr] 232 | (($sep: expr_2021, $l: expr_2021, $r: expr_2021), $($x: 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/advanced_features.rs:232:65 [INFO] [stderr] | [INFO] [stderr] 232 | (($sep: expr_2021, $l: expr_2021, $r: expr_2021), $($x: 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/advanced_features.rs:235:14 [INFO] [stderr] | [INFO] [stderr] 235 | ($sep: expr_2021, $($x: 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/advanced_features.rs:235:33 [INFO] [stderr] | [INFO] [stderr] 235 | ($sep: expr_2021, $($x: 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 6 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: extern blocks should be unsafe [INFO] [stdout] --> src/advanced_features.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | extern "C" { [INFO] [stdout] | ^ [INFO] [stdout] | | [INFO] [stdout] | _________help: needs `unsafe` before the extern keyword: `unsafe` [INFO] [stdout] | | [INFO] [stdout] 56 | | fn rand() -> i32; [INFO] [stdout] 57 | | fn srand(seed: u32); [INFO] [stdout] 58 | | fn time(ptr: u32) -> u32; [INFO] [stdout] 59 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024! [INFO] [stdout] = note: for more information, see issue #123743 [INFO] [stdout] = note: `--force-warn missing-unsafe-on-extern` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `rust_learn` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/advanced_features.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/advanced_features.rs:232:15 [INFO] [stderr] | [INFO] [stderr] 232 | (($sep: expr_2021, $l: expr_2021, $r: expr_2021), $($x: 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/advanced_features.rs:232:32 [INFO] [stderr] | [INFO] [stderr] 232 | (($sep: expr_2021, $l: expr_2021, $r: expr_2021), $($x: 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/advanced_features.rs:232:21 [INFO] [stdout] | [INFO] [stdout] 232 | (($sep: expr, $l: expr, $r: expr), $($x: 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] 232 | (($sep: expr_2021, $l: expr, $r: expr), $($x: expr),*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] --> src/advanced_features.rs:232:47 [INFO] [stderr] | [INFO] [stderr] 232 | (($sep: expr_2021, $l: expr_2021, $r: expr_2021), $($x: expr_2021),*) => { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/advanced_features.rs:232:31 [INFO] [stdout] | [INFO] [stdout] 232 | (($sep: expr, $l: expr, $r: expr), $($x: 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] 232 | (($sep: expr, $l: expr_2021, $r: expr), $($x: expr),*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [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/advanced_features.rs:232:41 [INFO] [stdout] | [INFO] [stdout] 232 | (($sep: expr, $l: expr, $r: expr), $($x: 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] 232 | (($sep: expr, $l: expr, $r: expr_2021), $($x: expr),*) => { [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/advanced_features.rs:232:65 [INFO] [stderr] | [INFO] [stderr] 232 | (($sep: expr_2021, $l: expr_2021, $r: expr_2021), $($x: 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/advanced_features.rs:235:14 [INFO] [stderr] | [INFO] [stderr] 235 | ($sep: expr_2021, $($x: 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/advanced_features.rs:235:33 [INFO] [stderr] | [INFO] [stderr] 235 | ($sep: expr_2021, $($x: 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 6 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/advanced_features.rs:232:54 [INFO] [stdout] | [INFO] [stdout] 232 | (($sep: expr, $l: expr, $r: expr), $($x: 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] 232 | (($sep: expr, $l: expr, $r: expr), $($x: 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/advanced_features.rs:235:20 [INFO] [stdout] | [INFO] [stdout] 235 | ($sep: expr, $($x: 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] 235 | ($sep: expr_2021, $($x: expr),*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/advanced_features.rs:235:32 [INFO] [stdout] | [INFO] [stdout] 235 | ($sep: expr, $($x: 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] 235 | ($sep: expr, $($x: expr_2021),*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/smart_pointers.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | Cons(T, Box>), [INFO] [stdout] | ---- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | Cons(T, ()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Checking rust-learn v0.1.0 (/tmp/fixit) [INFO] [stdout] error: extern blocks must be unsafe [INFO] [stdout] --> src/advanced_features.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | / extern "C" { [INFO] [stdout] 56 | | fn rand() -> i32; [INFO] [stdout] 57 | | fn srand(seed: u32); [INFO] [stdout] 58 | | fn time(ptr: u32) -> u32; [INFO] [stdout] 59 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: extern blocks must be unsafe [INFO] [stdout] --> src/advanced_features.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | / extern "C" { [INFO] [stdout] 56 | | fn rand() -> i32; [INFO] [stdout] 57 | | fn srand(seed: u32); [INFO] [stdout] 58 | | fn time(ptr: u32) -> u32; [INFO] [stdout] 59 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-learn` (bin "rust-learn") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-learn` (bin "rust-learn" test) due to 2 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" "01903c95ea2f753003481f31ff1f1ec1db3b934f08f561d754761b3ff8cd037e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01903c95ea2f753003481f31ff1f1ec1db3b934f08f561d754761b3ff8cd037e", kill_on_drop: false }` [INFO] [stdout] 01903c95ea2f753003481f31ff1f1ec1db3b934f08f561d754761b3ff8cd037e