[INFO] fetching crate file_rw 0.6.3...
[INFO] checking file_rw-0.6.3 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] extracting crate file_rw 0.6.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate file_rw 0.6.3 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 file_rw 0.6.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate file_rw 0.6.3
[INFO] tweaked toml for crates.io crate file_rw 0.6.3 written to /workspace/builds/worker-2-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 100 packages to latest compatible versions
[INFO] [stderr]       Adding anes v0.1.6 (available: v0.2.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7e538b154465bf35345307beff4de543a25d33420bbbc8c71dbd4658e7805f35
[INFO] running `Command { std: "docker" "start" "-a" "7e538b154465bf35345307beff4de543a25d33420bbbc8c71dbd4658e7805f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e538b154465bf35345307beff4de543a25d33420bbbc8c71dbd4658e7805f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e538b154465bf35345307beff4de543a25d33420bbbc8c71dbd4658e7805f35", kill_on_drop: false }`
[INFO] [stdout] 7e538b154465bf35345307beff4de543a25d33420bbbc8c71dbd4658e7805f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 844133e01202a81592bbadbcb16f961d4969a393e76e6b8f13e976613189a41f
[INFO] running `Command { std: "docker" "start" "-a" "844133e01202a81592bbadbcb16f961d4969a393e76e6b8f13e976613189a41f", 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 const-oid v0.9.6
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking filepath v0.1.2
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking file_rw v0.6.3 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/read.rs (4 fixes)
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]    Migrating tests/file.rs from 2021 edition to 2024
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `file`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/file.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]  --> tests/file.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 |     ($file_name:expr_2021, $init_text:expr_2021, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file:ident| $block:block) ...
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]  --> tests/file.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ($file_name:expr, $init_text:expr, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file:ident| $block:block) => {{
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2024
[INFO] [stdout]   = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout]   = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ($file_name:expr_2021, $init_text:expr, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file:ident| $block:block) => {{
[INFO] [stdout]   |                 ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]   = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]   = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]  --> tests/file.rs:6:28
[INFO] [stderr]   |
[INFO] [stderr] 6 |     ($file_name:expr_2021, $init_text:expr_2021, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file:ident| $block:block) ...
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]   = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]   = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]  --> tests/file.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ($file_name:expr, $init_text:expr, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file:ident| $block:block) => {{
[INFO] [stdout]   |                                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2024
[INFO] [stdout]   = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ($file_name:expr, $init_text:expr_2021, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file:ident| $block:block) => {{
[INFO] [stdout]   |                                  ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr]    Migrating tests/file_reader.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/file_writer.rs from 2021 edition to 2024
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `file_reader`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/file_reader.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> tests/file_reader.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 |     ($file_name:expr_2021, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file_writer:ident, $file_reader:ident| $block:bl...
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 1 previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> tests/file_reader.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ($file_name:expr, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file_writer:ident, $file_reader:ident| $block:block) ...
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout]    = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ($file_name:expr_2021, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file_writer:ident, $file_reader:ident| $block:block) => {{
[INFO] [stdout]    |                 ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/utils.rs from 2021 edition to 2024
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `file_writer`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/file_writer.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]  --> tests/file_writer.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 |     ($file_name:expr_2021, $init_text:expr_2021, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file_writer:ident, $file_r...
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]   = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]   = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]  --> tests/file_writer.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 |     ($file_name:expr_2021, $init_text:expr_2021, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file_writer:ident, $file_r...
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]   = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]   = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]  --> tests/file_writer.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ($file_name:expr, $init_text:expr, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file_writer:ident, $file_reader:iden...
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2024
[INFO] [stdout]   = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout]   = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ($file_name:expr_2021, $init_text:expr, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file_writer:ident, $file_reader:ident| $block:block) => {{
[INFO] [stdout]   |                 ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]  --> tests/file_writer.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ($file_name:expr, $init_text:expr, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file_writer:ident, $file_reader:iden...
[INFO] [stdout]   |                                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2024
[INFO] [stdout]   = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ($file_name:expr, $init_text:expr_2021, |$tempdir:ident, $tempdir_path:ident, $test_file_path:ident, $file_writer:ident, $file_reader:ident| $block:block) => {{
[INFO] [stdout]   |                                  ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating benches/subset_search.rs from 2021 edition to 2024
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]   --> benches/subset_search.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         data.push(rng.gen::<u8>());
[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 <https://github.com/rust-lang/rust/issues/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 `subset_search`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * benches/subset_search.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]  --> benches/subset_search.rs:7:24
[INFO] [stderr]   |
[INFO] [stderr] 7 |     ($criterion:ident, $benchmark_fn_str: expr_2021, $total_throughput_size:ident, |$benchmark_group:ident| $benchmark_block: block) => {
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #123742 <https://github.com/rust-lang/rust/issues/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]   --> benches/subset_search.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 .map(|_| rng.gen::<u8>())
[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 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]   --> benches/subset_search.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 .map(|_| rng.gen::<u8>())
[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 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]  --> benches/subset_search.rs:7:43
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ($criterion:ident, $benchmark_fn_str: expr, $total_throughput_size:ident, |$benchmark_group:ident| $benchmark_block: block) => {
[INFO] [stdout]   |                                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2024
[INFO] [stdout]   = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout]   = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ($criterion:ident, $benchmark_fn_str: expr_2021, $total_throughput_size:ident, |$benchmark_group:ident| $benchmark_block: block) => {
[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 3.94s
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr]     Checking file_rw v0.6.3 (/tmp/fixit)
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]   --> benches/subset_search.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         data.push(rng.gen::<u8>());
[INFO] [stdout]    |                       ^^^ expected identifier, found reserved keyword
[INFO] [stdout]    |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]    |
[INFO] [stdout] 18 |         data.push(rng.r#gen::<u8>());
[INFO] [stdout]    |                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]   --> benches/subset_search.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 .map(|_| rng.gen::<u8>())
[INFO] [stdout]    |                              ^^^ expected identifier, found reserved keyword
[INFO] [stdout]    |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 .map(|_| rng.r#gen::<u8>())
[INFO] [stdout]    |                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]   --> benches/subset_search.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 .map(|_| rng.gen::<u8>())
[INFO] [stdout]    |                              ^^^ expected identifier, found reserved keyword
[INFO] [stdout]    |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 .map(|_| rng.r#gen::<u8>())
[INFO] [stdout]    |                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `file_rw` (bench "subset_search") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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" "844133e01202a81592bbadbcb16f961d4969a393e76e6b8f13e976613189a41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844133e01202a81592bbadbcb16f961d4969a393e76e6b8f13e976613189a41f", kill_on_drop: false }`
[INFO] [stdout] 844133e01202a81592bbadbcb16f961d4969a393e76e6b8f13e976613189a41f