[INFO] fetching crate dudect-bencher 0.6.0... [INFO] checking dudect-bencher-0.6.0 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] extracting crate dudect-bencher 0.6.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate dudect-bencher 0.6.0 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 dudect-bencher 0.6.0 [INFO] finished tweaking crates.io crate dudect-bencher 0.6.0 [INFO] tweaked toml for crates.io crate dudect-bencher 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate dudect-bencher 0.6.0 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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2fc3636a786a1e5e528dd856bb35b05723842fc6293ef1bd911b7623934394b [INFO] running `Command { std: "docker" "start" "-a" "f2fc3636a786a1e5e528dd856bb35b05723842fc6293ef1bd911b7623934394b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2fc3636a786a1e5e528dd856bb35b05723842fc6293ef1bd911b7623934394b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2fc3636a786a1e5e528dd856bb35b05723842fc6293ef1bd911b7623934394b", kill_on_drop: false }` [INFO] [stdout] f2fc3636a786a1e5e528dd856bb35b05723842fc6293ef1bd911b7623934394b [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 728e78e086b8034e5084fc7baec2b3e922be044b6f2bc88ae0fdd32c4ca7688d [INFO] running `Command { std: "docker" "start" "-a" "728e78e086b8034e5084fc7baec2b3e922be044b6f2bc88ae0fdd32c4ca7688d", 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 libc v0.2.148 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.27.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ctrlc v3.4.1 [INFO] [stderr] Checking dudect-bencher v0.6.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2021 edition to 2024 [INFO] [stdout] warning: `gen` is a keyword in the 2024 edition [INFO] [stdout] --> src/ctbench.rs:96:28 [INFO] [stdout] | [INFO] [stdout] 96 | rand::thread_rng().gen() [INFO] [stdout] | ^^^ help: you can use a raw identifier to stay compatible: `r#gen` [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 #49716 [INFO] [stdout] = note: `--force-warn keyword-idents-2024` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `dudect_bencher` [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:32:31 [INFO] [stdout] | [INFO] [stdout] 32 | ($(($function:path, $seed:expr)),+) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 32 | ($(($function:path, $seed:expr_2021)),+) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/macros.rs [INFO] [stderr] [INFO] [stderr] This likely indicates a bug in either rustc or cargo itself, [INFO] [stderr] and we would appreciate a bug report! You're likely to see [INFO] [stderr] a number of compiler warnings after this message which cargo [INFO] [stderr] attempted to fix but failed. If you could open an issue at [INFO] [stderr] https://github.com/rust-lang/rust/issues [INFO] [stderr] quoting the full output of this command we'd be very appreciative! [INFO] [stderr] Note that you may be able to make some more progress in the near-term [INFO] [stderr] fixing code with the `--broken-code` flag [INFO] [stderr] [INFO] [stderr] The following errors were reported: [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/macros.rs:32:25 [INFO] [stderr] | [INFO] [stderr] 32 | ($(($function:path, $seed:expr_2021)),+) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error: aborting due to 1 previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] Original diagnostics will follow. [INFO] [stderr] [INFO] [stdout] warning: `gen` is a keyword in the 2024 edition [INFO] [stdout] --> src/ctbench.rs:96:28 [INFO] [stdout] | [INFO] [stdout] 96 | rand::thread_rng().gen() [INFO] [stdout] | ^^^ help: you can use a raw identifier to stay compatible: `r#gen` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024! [INFO] [stdout] = note: for more information, see issue #49716 [INFO] [stdout] = note: `--force-warn keyword-idents-2024` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/macros.rs:32:31 [INFO] [stdout] | [INFO] [stdout] 32 | ($(($function:path, $seed:expr)),+) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 32 | ($(($function:path, $seed:expr_2021)),+) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating examples/ctbench-foo.rs from 2021 edition to 2024 [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `dudect_bencher` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/macros.rs [INFO] [stderr] [INFO] [stderr] This likely indicates a bug in either rustc or cargo itself, [INFO] [stderr] and we would appreciate a bug report! You're likely to see [INFO] [stderr] a number of compiler warnings after this message which cargo [INFO] [stderr] attempted to fix but failed. If you could open an issue at [INFO] [stderr] https://github.com/rust-lang/rust/issues [INFO] [stderr] quoting the full output of this command we'd be very appreciative! [INFO] [stderr] Note that you may be able to make some more progress in the near-term [INFO] [stderr] fixing code with the `--broken-code` flag [INFO] [stderr] [INFO] [stderr] The following errors were reported: [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/macros.rs:32:25 [INFO] [stderr] | [INFO] [stderr] 32 | ($(($function:path, $seed:expr_2021)),+) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error: aborting due to 1 previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] Original diagnostics will follow. [INFO] [stderr] [INFO] [stderr] Fixed examples/ctbench-foo.rs (3 fixes) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.12s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Checking dudect-bencher v0.6.0 (/tmp/fixit) [INFO] [stdout] error: expected identifier, found reserved keyword `gen` [INFO] [stdout] --> src/ctbench.rs:96:28 [INFO] [stdout] | [INFO] [stdout] 96 | rand::thread_rng().gen() [INFO] [stdout] | ^^^ expected identifier, found reserved keyword [INFO] [stdout] | [INFO] [stdout] help: escape `gen` to use it as an identifier [INFO] [stdout] | [INFO] [stdout] 96 | rand::thread_rng().r#gen() [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected identifier, found reserved keyword `gen` [INFO] [stdout] --> src/ctbench.rs:96:28 [INFO] [stdout] | [INFO] [stdout] 96 | rand::thread_rng().gen() [INFO] [stdout] | ^^^ expected identifier, found reserved keyword [INFO] [stdout] | [INFO] [stdout] help: escape `gen` to use it as an identifier [INFO] [stdout] | [INFO] [stdout] 96 | rand::thread_rng().r#gen() [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 `dudect-bencher` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `dudect-bencher` (lib 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" "728e78e086b8034e5084fc7baec2b3e922be044b6f2bc88ae0fdd32c4ca7688d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "728e78e086b8034e5084fc7baec2b3e922be044b6f2bc88ae0fdd32c4ca7688d", kill_on_drop: false }` [INFO] [stdout] 728e78e086b8034e5084fc7baec2b3e922be044b6f2bc88ae0fdd32c4ca7688d