[INFO] fetching crate owi 0.1.0... [INFO] checking owi-0.1.0 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] extracting crate owi 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate owi 0.1.0 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] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate owi 0.1.0 [INFO] finished tweaking crates.io crate owi 0.1.0 [INFO] tweaked toml for crates.io crate owi 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate owi 0.1.0 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-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] cf581921aa3113862a350872548278577b874382b6ce31504e20d68864433b86 [INFO] running `Command { std: "docker" "start" "-a" "cf581921aa3113862a350872548278577b874382b6ce31504e20d68864433b86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf581921aa3113862a350872548278577b874382b6ce31504e20d68864433b86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf581921aa3113862a350872548278577b874382b6ce31504e20d68864433b86", kill_on_drop: false }` [INFO] [stdout] cf581921aa3113862a350872548278577b874382b6ce31504e20d68864433b86 [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] 5a03e4693c2a8727ea680c9ccefb06679a0f86bcd5e232bd28452ca607c57bb8 [INFO] running `Command { std: "docker" "start" "-a" "5a03e4693c2a8727ea680c9ccefb06679a0f86bcd5e232bd28452ca607c57bb8", 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 owi v0.1.0 (/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 `owi` [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:19:65 [INFO] [stderr] | [INFO] [stderr] 19 | ($a: ident, $x:ident, ($($n:ident : $t:ty),*) $(-> $r:ty)?, $doc:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error: aborting due to 1 previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] Original diagnostics will follow. [INFO] [stderr] [INFO] [stdout] warning: extern blocks should be unsafe [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | extern "C" { [INFO] [stdout] | ^ [INFO] [stdout] | | [INFO] [stdout] | _____help: needs `unsafe` before the extern keyword: `unsafe` [INFO] [stdout] | | [INFO] [stdout] 8 | | pub fn i8_symbol() -> i8; [INFO] [stdout] 9 | | pub fn i32_symbol() -> i32; [INFO] [stdout] 10 | | pub fn i64_symbol() -> i64; [INFO] [stdout] ... | [INFO] [stdout] 14 | | pub fn assert(x: bool); [INFO] [stdout] 15 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024! [INFO] [stdout] = note: for more information, see issue #123743 [INFO] [stdout] = note: `--force-warn missing-unsafe-on-extern` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/lib.rs:19:70 [INFO] [stdout] | [INFO] [stdout] 19 | ($a: ident, $x:ident, ($($n:ident : $t:ty),*) $(-> $r:ty)?, $doc:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 19 | ($a: ident, $x:ident, ($($n:ident : $t:ty),*) $(-> $r:ty)?, $doc:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating examples/basic.rs from 2021 edition to 2024 [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `owi` [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:19:65 [INFO] [stderr] | [INFO] [stdout] warning: extern blocks should be unsafe [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | extern "C" { [INFO] [stdout] | ^ [INFO] [stdout] | | [INFO] [stdout] | _____help: needs `unsafe` before the extern keyword: `unsafe` [INFO] [stdout] | | [INFO] [stdout] 8 | | pub fn i8_symbol() -> i8; [INFO] [stdout] 9 | | pub fn i32_symbol() -> i32; [INFO] [stdout] 10 | | pub fn i64_symbol() -> i64; [INFO] [stdout] ... | [INFO] [stdout] 14 | | pub fn assert(x: bool); [INFO] [stdout] 15 | | } [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] 19 | ($a: ident, $x:ident, ($($n:ident : $t:ty),*) $(-> $r:ty)?, $doc:expr_2021) => { [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/lib.rs:19:70 [INFO] [stdout] | [INFO] [stdout] 19 | ($a: ident, $x:ident, ($($n:ident : $t:ty),*) $(-> $r:ty)?, $doc:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 19 | ($a: ident, $x:ident, ($($n:ident : $t:ty),*) $(-> $r:ty)?, $doc:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [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] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Checking owi v0.1.0 (/tmp/fixit) [INFO] [stdout] error: extern blocks must be unsafe [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | / extern "C" { [INFO] [stdout] 8 | | pub fn i8_symbol() -> i8; [INFO] [stdout] 9 | | pub fn i32_symbol() -> i32; [INFO] [stdout] 10 | | pub fn i64_symbol() -> i64; [INFO] [stdout] ... | [INFO] [stdout] 14 | | pub fn assert(x: bool); [INFO] [stdout] 15 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: extern blocks must be unsafe [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | / extern "C" { [INFO] [stdout] 8 | | pub fn i8_symbol() -> i8; [INFO] [stdout] 9 | | pub fn i32_symbol() -> i32; [INFO] [stdout] 10 | | pub fn i64_symbol() -> i64; [INFO] [stdout] ... | [INFO] [stdout] 14 | | pub fn assert(x: bool); [INFO] [stdout] 15 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `owi` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `owi` (lib) 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" "5a03e4693c2a8727ea680c9ccefb06679a0f86bcd5e232bd28452ca607c57bb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a03e4693c2a8727ea680c9ccefb06679a0f86bcd5e232bd28452ca607c57bb8", kill_on_drop: false }` [INFO] [stdout] 5a03e4693c2a8727ea680c9ccefb06679a0f86bcd5e232bd28452ca607c57bb8