[INFO] fetching crate coolfindpattern 0.1.6... [INFO] checking coolfindpattern-0.1.6 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] extracting crate coolfindpattern 0.1.6 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate coolfindpattern 0.1.6 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-2-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate coolfindpattern 0.1.6 [INFO] finished tweaking crates.io crate coolfindpattern 0.1.6 [INFO] tweaked toml for crates.io crate coolfindpattern 0.1.6 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 15 packages to latest compatible versions [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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] 6db3e94044b5cbf68cd7abd55195ab57c74d3bfc18faa1cbcae96c3685ad1fbf [INFO] running `Command { std: "docker" "start" "-a" "6db3e94044b5cbf68cd7abd55195ab57c74d3bfc18faa1cbcae96c3685ad1fbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6db3e94044b5cbf68cd7abd55195ab57c74d3bfc18faa1cbcae96c3685ad1fbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6db3e94044b5cbf68cd7abd55195ab57c74d3bfc18faa1cbcae96c3685ad1fbf", kill_on_drop: false }` [INFO] [stdout] 6db3e94044b5cbf68cd7abd55195ab57c74d3bfc18faa1cbcae96c3685ad1fbf [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] ccd13b3b5636d83f5d32436c17a2877b4fbb8a3051eac3beed3d75beac2bb616 [INFO] running `Command { std: "docker" "start" "-a" "ccd13b3b5636d83f5d32436c17a2877b4fbb8a3051eac3beed3d75beac2bb616", 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 v0.2.159 [INFO] [stderr] Checking coolfindpattern v0.1.6 (/tmp/fixit) [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Migrating src/lib.rs from 2021 edition to 2024 [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `coolfindpattern` [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/lib.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | (@el $v: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] 37 | (@el $v:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [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:37:10 [INFO] [stderr] | [INFO] [stderr] 37 | (@el $v: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] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Migrating benches/pattern.rs from 2021 edition to 2024 [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `coolfindpattern` [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:37:10 [INFO] [stderr] | [INFO] [stderr] 37 | (@el $v: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:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | (@el $v: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] 37 | (@el $v:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Checking coolfindpattern v0.1.6 (/tmp/fixit) [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> src/lib.rs:275:28 [INFO] [stdout] | [INFO] [stdout] 275 | let pattern = pattern!(_, 0xDE, 0xAD, 0xBE, 0xEF); [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> src/lib.rs:305:28 [INFO] [stdout] | [INFO] [stdout] 305 | let pattern = pattern!(_, 0xDE, 0xAD, 0xBE, 0xEF); [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> src/lib.rs:320:40 [INFO] [stdout] | [INFO] [stdout] 320 | let pattern = pattern!(0xDE, 0xAD, _, 0xBE, 0xEF); [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> src/lib.rs:376:21 [INFO] [stdout] | [INFO] [stdout] 376 | 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> src/lib.rs:376:48 [INFO] [stdout] | [INFO] [stdout] 376 | 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> src/lib.rs:376:75 [INFO] [stdout] | [INFO] [stdout] 376 | 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> src/lib.rs:377:15 [INFO] [stdout] | [INFO] [stdout] 377 | 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> src/lib.rs:377:42 [INFO] [stdout] | [INFO] [stdout] 377 | 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> src/lib.rs:377:69 [INFO] [stdout] | [INFO] [stdout] 377 | 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> src/lib.rs:377:96 [INFO] [stdout] | [INFO] [stdout] 377 | 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> src/lib.rs:378:33 [INFO] [stdout] | [INFO] [stdout] 378 | 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> src/lib.rs:378:60 [INFO] [stdout] | [INFO] [stdout] 378 | 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 12 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `coolfindpattern` (lib test) due to 13 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> benches/pattern.rs:33:38 [INFO] [stdout] | [INFO] [stdout] 33 | pattern!(0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF) [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment [INFO] [stdout] --> benches/pattern.rs:33:65 [INFO] [stdout] | [INFO] [stdout] 33 | pattern!(0xDE, 0xAD, _, 0xBE, 0xEF, 0xDE, 0xAD, _, 0xBE, 0xEF) [INFO] [stdout] | ^ `_` not allowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `coolfindpattern` (bench "find_pattern") 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" "ccd13b3b5636d83f5d32436c17a2877b4fbb8a3051eac3beed3d75beac2bb616", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccd13b3b5636d83f5d32436c17a2877b4fbb8a3051eac3beed3d75beac2bb616", kill_on_drop: false }` [INFO] [stdout] ccd13b3b5636d83f5d32436c17a2877b4fbb8a3051eac3beed3d75beac2bb616