[INFO] fetching crate rust-decouple 0.2.0... [INFO] checking rust-decouple-0.2.0 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] extracting crate rust-decouple 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rust-decouple 0.2.0 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 rust-decouple 0.2.0 [INFO] finished tweaking crates.io crate rust-decouple 0.2.0 [INFO] tweaked toml for crates.io crate rust-decouple 0.2.0 written to /workspace/builds/worker-0-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 5 packages to latest compatible versions [INFO] [stderr] Adding rust_decouple_derive v0.1.0 (available: v0.2.0) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 615d169483fe3fb45b63465d6598865639e128d8ffa78b50af1c13440caaa28c [INFO] running `Command { std: "docker" "start" "-a" "615d169483fe3fb45b63465d6598865639e128d8ffa78b50af1c13440caaa28c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "615d169483fe3fb45b63465d6598865639e128d8ffa78b50af1c13440caaa28c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "615d169483fe3fb45b63465d6598865639e128d8ffa78b50af1c13440caaa28c", kill_on_drop: false }` [INFO] [stdout] 615d169483fe3fb45b63465d6598865639e128d8ffa78b50af1c13440caaa28c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 19203c964c35aaba3398f5202357f6f34d7d3de21548205645b6eb84970d9097 [INFO] running `Command { std: "docker" "start" "-a" "19203c964c35aaba3398f5202357f6f34d7d3de21548205645b6eb84970d9097", 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] Checking rust-decouple v0.2.0 (/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 `rust_decouple` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/macros.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/macros.rs:11:6 [INFO] [stderr] | [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | ($var_name:expr, $default_value:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 11 | ($var_name:expr_2021, $default_value:expr) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 11 | ($var_name:expr_2021, $default_value:expr_2021) => { [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:11:37 [INFO] [stdout] | [INFO] [stdout] 11 | ($var_name:expr, $default_value:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 11 | ($var_name:expr, $default_value:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | ($var_name: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] 14 | ($var_name:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | ($var_name:expr, $default_value:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 29 | ($var_name:expr_2021, $default_value:expr) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:29:37 [INFO] [stdout] | [INFO] [stdout] 29 | ($var_name:expr, $default_value:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 29 | ($var_name:expr, $default_value:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:32:16 [INFO] [stdout] | [INFO] [stdout] 32 | ($var_name: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] 32 | ($var_name: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: call to deprecated safe function `std::env::set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | env::set_var("RIGHT_VALUE", "123"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [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 #27970 [INFO] [stdout] = note: `--force-warn deprecated-safe-2024` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: you can wrap the call in an `unsafe` block if you can guarantee that the environment access only happens in single-threaded code [INFO] [stdout] | [INFO] [stdout] 54 + // TODO: Audit that the environment access only happens in single-threaded code. [INFO] [stdout] 55 ~ unsafe { env::set_var("RIGHT_VALUE", "123") }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] warning: call to deprecated safe function `std::env::set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | env::set_var("RIGHT_F64_VALUE", "12.345"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [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 #27970 [INFO] [stdout] help: you can wrap the call in an `unsafe` block if you can guarantee that the environment access only happens in single-threaded code [INFO] [stdout] | [INFO] [stdout] 61 + // TODO: Audit that the environment access only happens in single-threaded code. [INFO] [stdout] 62 ~ unsafe { env::set_var("RIGHT_F64_VALUE", "12.345") }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stdout] warning: call to deprecated safe function `std::env::remove_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | env::remove_var("NOT_SET_VALUE"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [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 #27970 [INFO] [stdout] help: you can wrap the call in an `unsafe` block if you can guarantee that the environment access only happens in single-threaded code [INFO] [stdout] | [INFO] [stdout] 68 + // TODO: Audit that the environment access only happens in single-threaded code. [INFO] [stdout] 69 ~ unsafe { env::remove_var("NOT_SET_VALUE") }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] --> src/macros.rs:11:27 [INFO] [stdout] warning: call to deprecated safe function `std::env::remove_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | env::remove_var("NOT_SET_VALUE_2"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [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 #27970 [INFO] [stdout] help: you can wrap the call in an `unsafe` block if you can guarantee that the environment access only happens in single-threaded code [INFO] [stdout] | [INFO] [stdout] 76 + // TODO: Audit that the environment access only happens in single-threaded code. [INFO] [stdout] 77 ~ unsafe { env::remove_var("NOT_SET_VALUE_2") }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] 11 | ($var_name:expr_2021, $default_value:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/macros.rs:14:6 [INFO] [stderr] | [INFO] [stderr] 14 | ($var_name: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/macros.rs:29:6 [INFO] [stderr] | [INFO] [stderr] 29 | ($var_name:expr_2021, $default_value:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/macros.rs:29:27 [INFO] [stderr] | [INFO] [stdout] warning: call to deprecated safe function `std::env::set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | env::set_var("WRONG_TYPED_VALUE", "12r3"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024! [INFO] [stdout] = note: for more information, see issue #27970 [INFO] [stdout] help: you can wrap the call in an `unsafe` block if you can guarantee that the environment access only happens in single-threaded code [INFO] [stdout] | [INFO] [stdout] 83 + // TODO: Audit that the environment access only happens in single-threaded code. [INFO] [stdout] 84 ~ unsafe { env::set_var("WRONG_TYPED_VALUE", "12r3") }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 29 | ($var_name:expr_2021, $default_value:expr_2021) => { [INFO] [stdout] warning: call to deprecated safe function `std::env::set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | env::set_var("VEC_STRING_VAL", "hello,world"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [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 #27970 [INFO] [stdout] help: you can wrap the call in an `unsafe` block if you can guarantee that the environment access only happens in single-threaded code [INFO] [stdout] | [INFO] [stdout] 89 + // TODO: Audit that the environment access only happens in single-threaded code. [INFO] [stdout] 90 ~ unsafe { env::set_var("VEC_STRING_VAL", "hello,world") }; [INFO] [stdout] | [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] [stdout] warning: call to deprecated safe function `std::env::set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | env::set_var("VEC_USIZE_VAR", "0,1,2,3,4,5"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [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 #27970 [INFO] [stdout] help: you can wrap the call in an `unsafe` block if you can guarantee that the environment access only happens in single-threaded code [INFO] [stdout] | [INFO] [stdout] 96 + // TODO: Audit that the environment access only happens in single-threaded code. [INFO] [stdout] 97 ~ unsafe { env::set_var("VEC_USIZE_VAR", "0,1,2,3,4,5") }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/macros.rs:32:6 [INFO] [stderr] | [INFO] [stderr] 32 | ($var_name: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: call to deprecated safe function `std::env::remove_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | env::remove_var("VEC_U8_WITH_DEFAULT"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [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 #27970 [INFO] [stdout] help: you can wrap the call in an `unsafe` block if you can guarantee that the environment access only happens in single-threaded code [INFO] [stdout] | [INFO] [stdout] 103 + // TODO: Audit that the environment access only happens in single-threaded code. [INFO] [stdout] 104 ~ unsafe { env::remove_var("VEC_U8_WITH_DEFAULT") }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Decouple` is never used [INFO] [stdout] --> src/traits.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Decouple { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/core.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 13 | } else if let Some(default_value) = default { [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/core.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | } [INFO] [stdout] | ^ [INFO] [stdout] = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 13 ~ } else { match default { Some(default_value) => { [INFO] [stdout] 14 | return default_value; [INFO] [stdout] 15 ~ } _ => {}}} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/core.rs:30:19 [INFO] [stdout] | [INFO] [stdout] 30 | } else if let Some(default_value) = default { [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/core.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | } [INFO] [stdout] | ^ [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 30 ~ } else { match default { Some(default_value) => { [INFO] [stdout] 31 | return default_value; [INFO] [stdout] 32 ~ } _ => {}}} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `rust_decouple` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/macros.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] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | ($var_name:expr, $default_value:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 11 | ($var_name:expr_2021, $default_value:expr) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Note that you may be able to make some more progress in the near-term [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:11:37 [INFO] [stdout] | [INFO] [stdout] 11 | ($var_name:expr, $default_value:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 11 | ($var_name:expr, $default_value:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] fixing code with the `--broken-code` flag [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | ($var_name: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] 14 | ($var_name:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | ($var_name:expr, $default_value:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 29 | ($var_name:expr_2021, $default_value:expr) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] The following errors were reported: [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:29:37 [INFO] [stdout] | [INFO] [stdout] 29 | ($var_name:expr, $default_value:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 29 | ($var_name:expr, $default_value:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:32:16 [INFO] [stdout] | [INFO] [stdout] 32 | ($var_name: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] 32 | ($var_name:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] --> src/macros.rs:11:6 [INFO] [stdout] warning: trait `Decouple` is never used [INFO] [stdout] --> src/traits.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Decouple { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] 11 | ($var_name:expr_2021, $default_value:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/macros.rs:11:27 [INFO] [stderr] | [INFO] [stderr] 11 | ($var_name:expr_2021, $default_value:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/macros.rs:14:6 [INFO] [stderr] | [INFO] [stderr] 14 | ($var_name: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/macros.rs:29:6 [INFO] [stderr] | [INFO] [stderr] 29 | ($var_name:expr_2021, $default_value:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/macros.rs:29:27 [INFO] [stderr] | [INFO] [stderr] 29 | ($var_name:expr_2021, $default_value: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] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/core.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 13 | } else if let Some(default_value) = default { [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/core.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | } [INFO] [stdout] | ^ [INFO] [stdout] = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 13 ~ } else { match default { Some(default_value) => { [INFO] [stdout] 14 | return default_value; [INFO] [stdout] 15 ~ } _ => {}}} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/core.rs:30:19 [INFO] [stdout] | [INFO] [stdout] 30 | } else if let Some(default_value) = default { [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/core.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | } [INFO] [stdout] | ^ [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 30 ~ } else { match default { Some(default_value) => { [INFO] [stdout] 31 | return default_value; [INFO] [stdout] 32 ~ } _ => {}}} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] --> src/macros.rs:32:6 [INFO] [stderr] | [INFO] [stderr] 32 | ($var_name: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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Checking rust-decouple v0.2.0 (/tmp/fixit) [INFO] [stdout] warning: trait `Decouple` is never used [INFO] [stdout] --> src/traits.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Decouple { [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] error[E0133]: call to unsafe function `set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | env::set_var("RIGHT_VALUE", "123"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [INFO] [stdout] | [INFO] [stdout] = note: consult the function's documentation for information on how to avoid undefined behavior [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0133]: call to unsafe function `set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | env::set_var("RIGHT_F64_VALUE", "12.345"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [INFO] [stdout] | [INFO] [stdout] = note: consult the function's documentation for information on how to avoid undefined behavior [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0133]: call to unsafe function `remove_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | env::remove_var("NOT_SET_VALUE"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [INFO] [stdout] | [INFO] [stdout] = note: consult the function's documentation for information on how to avoid undefined behavior [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0133]: call to unsafe function `remove_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | env::remove_var("NOT_SET_VALUE_2"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [INFO] [stdout] | [INFO] [stdout] = note: consult the function's documentation for information on how to avoid undefined behavior [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0133]: call to unsafe function `set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | env::set_var("WRONG_TYPED_VALUE", "12r3"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [INFO] [stdout] | [INFO] [stdout] = note: consult the function's documentation for information on how to avoid undefined behavior [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0133]: call to unsafe function `set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | env::set_var("VEC_STRING_VAL", "hello,world"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [INFO] [stdout] | [INFO] [stdout] = note: consult the function's documentation for information on how to avoid undefined behavior [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0133]: call to unsafe function `set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | env::set_var("VEC_USIZE_VAR", "0,1,2,3,4,5"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [INFO] [stdout] | [INFO] [stdout] = note: consult the function's documentation for information on how to avoid undefined behavior [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0133]: call to unsafe function `remove_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/core.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | env::remove_var("VEC_U8_WITH_DEFAULT"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function [INFO] [stdout] | [INFO] [stdout] = note: consult the function's documentation for information on how to avoid undefined behavior [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0133`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-decouple` (lib test) due to 9 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" "19203c964c35aaba3398f5202357f6f34d7d3de21548205645b6eb84970d9097", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19203c964c35aaba3398f5202357f6f34d7d3de21548205645b6eb84970d9097", kill_on_drop: false }` [INFO] [stdout] 19203c964c35aaba3398f5202357f6f34d7d3de21548205645b6eb84970d9097