[INFO] cloning repository https://github.com/ProPrak01/cxx-rust-fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ProPrak01/cxx-rust-fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProPrak01%2Fcxx-rust-fibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProPrak01%2Fcxx-rust-fibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e66e363f1d7940afdcff022c89dc04ac01bdf33a
[INFO] checking ProPrak01/cxx-rust-fibonacci/e66e363f1d7940afdcff022c89dc04ac01bdf33a against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProPrak01%2Fcxx-rust-fibonacci" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ProPrak01/cxx-rust-fibonacci 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 git repo https://github.com/ProPrak01/cxx-rust-fibonacci
[INFO] finished tweaking git repo https://github.com/ProPrak01/cxx-rust-fibonacci
[INFO] tweaked toml for git repo https://github.com/ProPrak01/cxx-rust-fibonacci written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ProPrak01/cxx-rust-fibonacci 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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64b8e75edb218c7cd8ce7eab89e94709fc41ec189b4341155d44a39af68255ef
[INFO] running `Command { std: "docker" "start" "-a" "64b8e75edb218c7cd8ce7eab89e94709fc41ec189b4341155d44a39af68255ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64b8e75edb218c7cd8ce7eab89e94709fc41ec189b4341155d44a39af68255ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b8e75edb218c7cd8ce7eab89e94709fc41ec189b4341155d44a39af68255ef", kill_on_drop: false }`
[INFO] [stdout] 64b8e75edb218c7cd8ce7eab89e94709fc41ec189b4341155d44a39af68255ef
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c13c1fa3465a33e97964e3e62321728bf5d63fda9b3a6077dcc78b389cbdd1f3
[INFO] running `Command { std: "docker" "start" "-a" "c13c1fa3465a33e97964e3e62321728bf5d63fda9b3a6077dcc78b389cbdd1f3", 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 proc-macro2 v1.0.78
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.119
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxx v1.0.119
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling cxx-build v1.0.119
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.119
[INFO] [stderr]    Compiling cxx-fibonacci v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating build.rs from 2021 edition to 2024
[INFO] [stderr] warning: cxx-fibonacci@0.1.0: Compiler version doesn't include clang or GCC: "c++" "--version"
[INFO] [stderr] warning: cxx-fibonacci@0.1.0: Compiler version doesn't include clang or GCC: "c++" "--version"
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `cxx_fibonacci`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stdout] warning: extern blocks should be unsafe
[INFO] [stdout]  --> src/main.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 |         fn fibonacci(n: i32) -> Vec<i32>;
[INFO] [stdout]   |                                         ^
[INFO] [stdout]   |                                         |
[INFO] [stdout]   |                                         help: needs `unsafe` before the extern keyword: `unsafe`
[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 <https://github.com/rust-lang/rust/issues/123743>
[INFO] [stdout]   = note: `--force-warn missing-unsafe-on-extern` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   * src/main.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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error: expected one of `!`, `+`, `::`, `;`, `where`, or `{`, found keyword `unsafe`
[INFO] [stderr]  --> src/main.rs:8:41
[INFO] [stderr]   |
[INFO] [stderr] 5 |     unsafe extern "C++" {
[INFO] [stderr]   |                         - while parsing this item list starting here
[INFO] [stderr] ...
[INFO] [stderr] 8 |         fn fibonacci(n: i32) -> Vec<i32>unsafe ;
[INFO] [stderr]   |                                         ^^^^^^ expected one of `!`, `+`, `::`, `;`, `where`, or `{`
[INFO] [stderr] 9 |     }
[INFO] [stderr]   |     - the item list ends here
[INFO] [stderr] 
[INFO] [stderr] error: expected `;`
[INFO] [stderr]  --> src/main.rs:8:41
[INFO] [stderr]   |
[INFO] [stderr] 8 |         fn fibonacci(n: i32) -> Vec<i32>unsafe ;
[INFO] [stderr]   |                                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared crate or module `ffi`
[INFO] [stderr]   --> src/main.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let sequence = ffi::fibonacci(n);
[INFO] [stderr]    |                    ^^^ use of undeclared crate or module `ffi`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `cxx_fibonacci`
[INFO] [stderr] 
[INFO] [stdout] warning: extern blocks should be unsafe
[INFO] [stdout]  --> src/main.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 |         fn fibonacci(n: i32) -> Vec<i32>;
[INFO] [stdout]   |                                         ^
[INFO] [stdout]   |                                         |
[INFO] [stdout]   |                                         help: needs `unsafe` before the extern keyword: `unsafe`
[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 <https://github.com/rust-lang/rust/issues/123743>
[INFO] [stdout]   = note: `--force-warn missing-unsafe-on-extern` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr]   * src/main.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: expected one of `!`, `+`, `::`, `;`, `where`, or `{`, found keyword `unsafe`
[INFO] [stderr]  --> src/main.rs:8:41
[INFO] [stderr]   |
[INFO] [stderr] 5 |     unsafe extern "C++" {
[INFO] [stderr]   |                         - while parsing this item list starting here
[INFO] [stderr] ...
[INFO] [stderr] 8 |         fn fibonacci(n: i32) -> Vec<i32>unsafe ;
[INFO] [stderr]   |                                         ^^^^^^ expected one of `!`, `+`, `::`, `;`, `where`, or `{`
[INFO] [stderr] 9 |     }
[INFO] [stderr]   |     - the item list ends here
[INFO] [stderr] 
[INFO] [stderr] error: expected `;`
[INFO] [stderr]  --> src/main.rs:8:41
[INFO] [stderr]   |
[INFO] [stderr] 8 |         fn fibonacci(n: i32) -> Vec<i32>unsafe ;
[INFO] [stderr]   |                                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared crate or module `ffi`
[INFO] [stderr]   --> src/main.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let sequence = ffi::fibonacci(n);
[INFO] [stderr]    |                    ^^^ use of undeclared crate or module `ffi`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.22s
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr]    Compiling cxx-fibonacci v0.1.0 (/tmp/fixit)
[INFO] [stderr] warning: cxx-fibonacci@0.1.0: Compiler version doesn't include clang or GCC: "c++" "--version"
[INFO] [stderr] warning: cxx-fibonacci@0.1.0: Compiler version doesn't include clang or GCC: "c++" "--version"
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]  --> src/main.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 |         fn fibonacci(n: i32) -> Vec<i32>;
[INFO] [stdout]   |                                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]  --> src/main.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 |         fn fibonacci(n: i32) -> Vec<i32>;
[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] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cxx-fibonacci@0.1.0: Compiler version doesn't include clang or GCC: "c++" "--version"
[INFO] [stderr] warning: cxx-fibonacci@0.1.0: Compiler version doesn't include clang or GCC: "c++" "--version"
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `cxx-fibonacci` (bin "cxx-fibonacci") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cxx-fibonacci@0.1.0: Compiler version doesn't include clang or GCC: "c++" "--version"
[INFO] [stderr] warning: cxx-fibonacci@0.1.0: Compiler version doesn't include clang or GCC: "c++" "--version"
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `cxx-fibonacci` (bin "cxx-fibonacci" 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" "c13c1fa3465a33e97964e3e62321728bf5d63fda9b3a6077dcc78b389cbdd1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13c1fa3465a33e97964e3e62321728bf5d63fda9b3a6077dcc78b389cbdd1f3", kill_on_drop: false }`
[INFO] [stdout] c13c1fa3465a33e97964e3e62321728bf5d63fda9b3a6077dcc78b389cbdd1f3