[INFO] fetching crate gilder 0.1.4... [INFO] checking gilder-0.1.4 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] extracting crate gilder 0.1.4 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate gilder 0.1.4 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 gilder 0.1.4 [INFO] finished tweaking crates.io crate gilder 0.1.4 [INFO] tweaked toml for crates.io crate gilder 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate gilder 0.1.4 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] 8d836ab590596d181efcf216964d04067356b51ec3c1f9b5e43499317ef663d5 [INFO] running `Command { std: "docker" "start" "-a" "8d836ab590596d181efcf216964d04067356b51ec3c1f9b5e43499317ef663d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d836ab590596d181efcf216964d04067356b51ec3c1f9b5e43499317ef663d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d836ab590596d181efcf216964d04067356b51ec3c1f9b5e43499317ef663d5", kill_on_drop: false }` [INFO] [stdout] 8d836ab590596d181efcf216964d04067356b51ec3c1f9b5e43499317ef663d5 [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] e8c01b6918678d74c3587529c411e80c2f236a68f373e604cc4628a669597c2f [INFO] running `Command { std: "docker" "start" "-a" "e8c01b6918678d74c3587529c411e80c2f236a68f373e604cc4628a669597c2f", 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 gilder v0.1.4 (/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 `gilder` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/lib.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/lib.rs:8:6 [INFO] [stderr] | [INFO] [stderr] 8 | ($actual:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error: aborting due to 1 previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] Original diagnostics will follow. [INFO] [stderr] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/lib.rs:8:14 [INFO] [stdout] | [INFO] [stdout] 8 | ($actual: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] 8 | ($actual:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to deprecated safe function `std::env::set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/lib.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | std::env::set_var(ENV_MODE, "create"); [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] 27 + // TODO: Audit that the environment access only happens in single-threaded code. [INFO] [stdout] 28 ~ unsafe { std::env::set_var(ENV_MODE, "create") }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to deprecated safe function `std::env::set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/lib.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | std::env::set_var(ENV_MODE, "verify"); [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] 33 + // TODO: Audit that the environment access only happens in single-threaded code. [INFO] [stdout] 34 ~ unsafe { std::env::set_var(ENV_MODE, "verify") }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/lib.rs:131:8 [INFO] [stdout] | [INFO] [stdout] 131 | if let Some((_, count)) = counters.iter_mut().find(|(n, _)| n == &name) { [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/lib.rs:134:5 [INFO] [stdout] | [INFO] [stdout] 134 | } else { [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] 131 ~ match counters.iter_mut().find(|(n, _)| n == &name) { Some((_, count)) => { [INFO] [stdout] 132 | *count += 1; [INFO] [stdout] 133 | *count [INFO] [stdout] 134 ~ } _ => { [INFO] [stdout] 135 | counters.push((name, 0)); [INFO] [stdout] 136 | 0 [INFO] [stdout] 137 ~ }} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating examples/main.rs from 2021 edition to 2024 [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `gilder` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/lib.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/lib.rs:8:6 [INFO] [stderr] | [INFO] [stderr] 8 | ($actual: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] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/lib.rs:8:14 [INFO] [stdout] | [INFO] [stdout] 8 | ($actual:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 8 | ($actual:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to deprecated safe function `std::env::set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/lib.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | std::env::set_var(ENV_MODE, "create"); [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] 27 + // TODO: Audit that the environment access only happens in single-threaded code. [INFO] [stdout] 28 ~ unsafe { std::env::set_var(ENV_MODE, "create") }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to deprecated safe function `std::env::set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/lib.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | std::env::set_var(ENV_MODE, "verify"); [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] 33 + // TODO: Audit that the environment access only happens in single-threaded code. [INFO] [stdout] 34 ~ unsafe { std::env::set_var(ENV_MODE, "verify") }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/lib.rs:131:8 [INFO] [stdout] | [INFO] [stdout] 131 | if let Some((_, count)) = counters.iter_mut().find(|(n, _)| n == &name) { [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/lib.rs:134:5 [INFO] [stdout] | [INFO] [stdout] 134 | } else { [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] 131 ~ match counters.iter_mut().find(|(n, _)| n == &name) { Some((_, count)) => { [INFO] [stdout] 132 | *count += 1; [INFO] [stdout] 133 | *count [INFO] [stdout] 134 ~ } _ => { [INFO] [stdout] 135 | counters.push((name, 0)); [INFO] [stdout] 136 | 0 [INFO] [stdout] 137 ~ }} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Checking gilder v0.1.4 (/tmp/fixit) [INFO] [stdout] error[E0133]: call to unsafe function `set_var` is unsafe and requires unsafe block [INFO] [stdout] --> src/lib.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | std::env::set_var(ENV_MODE, "create"); [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/lib.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | std::env::set_var(ENV_MODE, "create"); [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/lib.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | std::env::set_var(ENV_MODE, "verify"); [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/lib.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | std::env::set_var(ENV_MODE, "verify"); [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0133`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0133`. [INFO] [stdout] [INFO] [stderr] error: could not compile `gilder` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `gilder` (lib) due to 3 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" "e8c01b6918678d74c3587529c411e80c2f236a68f373e604cc4628a669597c2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8c01b6918678d74c3587529c411e80c2f236a68f373e604cc4628a669597c2f", kill_on_drop: false }` [INFO] [stdout] e8c01b6918678d74c3587529c411e80c2f236a68f373e604cc4628a669597c2f