[INFO] cloning repository https://github.com/KDABLabs/CXX-Basics-Tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KDABLabs/CXX-Basics-Tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKDABLabs%2FCXX-Basics-Tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKDABLabs%2FCXX-Basics-Tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3457573890253f4c10561fa88f0e841f8b154d7f
[INFO] fixing KDABLabs/CXX-Basics-Tutorial against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKDABLabs%2FCXX-Basics-Tutorial" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KDABLabs/CXX-Basics-Tutorial
[INFO] finished tweaking git repo https://github.com/KDABLabs/CXX-Basics-Tutorial
[INFO] tweaked toml for git repo https://github.com/KDABLabs/CXX-Basics-Tutorial written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KDABLabs/CXX-Basics-Tutorial on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KDABLabs/CXX-Basics-Tutorial 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2245caf53308b2f730204ae136c7056147c297919d6f9001a7b3b3b33600e2ff
[INFO] running `Command { std: "docker" "start" "2245caf53308b2f730204ae136c7056147c297919d6f9001a7b3b3b33600e2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2245caf53308b2f730204ae136c7056147c297919d6f9001a7b3b3b33600e2ff" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2245caf53308b2f730204ae136c7056147c297919d6f9001a7b3b3b33600e2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2245caf53308b2f730204ae136c7056147c297919d6f9001a7b3b3b33600e2ff" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling cc v1.0.104
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.124
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxx v1.0.124
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling cxx-build v1.0.124
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.124
[INFO] [stderr]    Compiling cxx-basics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating build.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr] error: errors present after applying fixes to crate `cxx_basics`
[INFO] [stdout] warning: extern blocks should be unsafe
[INFO] [stdout]   --> src/main.rs:18:54
[INFO] [stdout]    |
[INFO] [stdout] 18 |         fn greet(self: &Greeter, greeting: &Greeting);
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-extern.html>
[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] [stdout] warning: extern blocks should be unsafe
[INFO] [stdout]   --> src/main.rs:21:47
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn makeGreeter() -> UniquePtr<Greeter>;
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-extern.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   = cause: error: expected one of `->`, `;`, `where`, or `{`, found keyword `unsafe`
[INFO] [stdout] warning: extern blocks should be unsafe
[INFO] [stdout]   --> src/main.rs:21:46
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn makeGreeter() -> UniquePtr<Greeter>;
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-extern.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]              --> src/main.rs:18:54
[INFO] [stdout] warning: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/main.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         type Greeting;
[INFO] [stdout]    |              ^^^^^^^^ usage of unsafe attribute
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-attributes.html>
[INFO] [stdout]    = note: `--force-warn unsafe-attr-outside-unsafe` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]               |
[INFO] [stdout] warning: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/main.rs:27:68
[INFO] [stdout]    |
[INFO] [stdout] 27 |         fn translate(self: &Greeting, language: Language) -> String;
[INFO] [stdout]    |                                                                    ^ usage of unsafe attribute
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-attributes.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]            11 |     unsafe extern "C++" {
[INFO] [stderr]               |                         - while parsing this item list starting here
[INFO] [stderr]            ...
[INFO] [stderr]            18 |         fn greet(self: &Greeter, greeting: &Greeting)unsafe ;
[INFO] [stderr]               |                                                      ^^^^^^ expected one of `->`, `;`, `where`, or `{`
[INFO] [stderr]            ...
[INFO] [stderr]            22 |     }
[INFO] [stderr]               |     - the item list ends here
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: expected `;`
[INFO] [stderr]              --> src/main.rs:18:54
[INFO] [stderr]               |
[INFO] [stderr]            18 |         fn greet(self: &Greeter, greeting: &Greeting)unsafe ;
[INFO] [stderr]               |                                                      ^^^^^^
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error[E0432]: unresolved import `ffi`
[INFO] [stderr]              --> src/main.rs:36:5
[INFO] [stderr]               |
[INFO] [stderr]            36 | use ffi::*;
[INFO] [stderr]               |     ^^^
[INFO] [stderr]               |
[INFO] [stderr]            help: a similar path exists
[INFO] [stderr]               |
[INFO] [stderr]            36 | use std::ffi::*;
[INFO] [stderr]               |     +++++
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: aborting due to 3 previous errors
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] help: to report this as a bug, open an issue at https://github.com/rust-lang/rust/issues, quoting the full output of this command
[INFO] [stderr] help: to possibly apply more fixes, pass in the `--broken-code` flag
[INFO] [stderr] note: original diagnostics will follow:
[INFO] [stderr] error: errors present after applying fixes to crate `cxx_basics`
[INFO] [stderr]  --> src/main.rs
[INFO] [stderr]   = cause: error: expected one of `->`, `;`, `where`, or `{`, found keyword `unsafe`
[INFO] [stderr]              --> src/main.rs:18:54
[INFO] [stderr]               |
[INFO] [stderr]            11 |     unsafe extern "C++" {
[INFO] [stderr]               |                         - while parsing this item list starting here
[INFO] [stderr]            ...
[INFO] [stderr]            18 |         fn greet(self: &Greeter, greeting: &Greeting)unsafe ;
[INFO] [stderr]               |                                                      ^^^^^^ expected one of `->`, `;`, `where`, or `{`
[INFO] [stderr]            ...
[INFO] [stderr]            22 |     }
[INFO] [stderr]               |     - the item list ends here
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: expected `;`
[INFO] [stderr]              --> src/main.rs:18:54
[INFO] [stderr]               |
[INFO] [stderr]            18 |         fn greet(self: &Greeter, greeting: &Greeting)unsafe ;
[INFO] [stderr]               |                                                      ^^^^^^
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error[E0432]: unresolved import `ffi`
[INFO] [stderr]              --> src/main.rs:36:5
[INFO] [stderr]               |
[INFO] [stderr]            36 | use ffi::*;
[INFO] [stderr]               |     ^^^
[INFO] [stderr]               |
[INFO] [stderr]            help: a similar path exists
[INFO] [stderr]               |
[INFO] [stderr]            36 | use std::ffi::*;
[INFO] [stderr]               |     +++++
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: aborting due to 3 previous errors
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] help: to report this as a bug, open an issue at https://github.com/rust-lang/rust/issues, quoting the full output of this command
[INFO] [stderr] help: to possibly apply more fixes, pass in the `--broken-code` flag
[INFO] [stderr] note: original diagnostics will follow:
[INFO] [stdout] warning: extern blocks should be unsafe
[INFO] [stdout]   --> src/main.rs:18:54
[INFO] [stdout]    |
[INFO] [stdout] 18 |         fn greet(self: &Greeter, greeting: &Greeting);
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-extern.html>
[INFO] [stdout]    = note: `--force-warn missing-unsafe-on-extern` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern blocks should be unsafe
[INFO] [stdout]   --> src/main.rs:21:47
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn makeGreeter() -> UniquePtr<Greeter>;
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-extern.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern blocks should be unsafe
[INFO] [stdout]   --> src/main.rs:21:46
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn makeGreeter() -> UniquePtr<Greeter>;
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-extern.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/main.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         type Greeting;
[INFO] [stdout]    |              ^^^^^^^^ usage of unsafe attribute
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-attributes.html>
[INFO] [stdout]    = note: `--force-warn unsafe-attr-outside-unsafe` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/main.rs:27:68
[INFO] [stdout]    |
[INFO] [stdout] 27 |         fn translate(self: &Greeting, language: Language) -> String;
[INFO] [stdout]    |                                                                    ^ usage of unsafe attribute
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-attributes.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.80s
[INFO] [stderr] crater-edition-check: cxx-basics v0.1.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]    Compiling cxx-basics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:18:54
[INFO] [stdout]    |
[INFO] [stdout] 18 |         fn greet(self: &Greeter, greeting: &Greeting);
[INFO] [stdout]    |                                                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:21:47
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn makeGreeter() -> UniquePtr<Greeter>;
[INFO] [stdout]    |                                               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:21:46
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn makeGreeter() -> UniquePtr<Greeter>;
[INFO] [stdout]    |                                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/main.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         type Greeting;
[INFO] [stdout]    |              ^^^^^^^^ usage of unsafe attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/main.rs:27:68
[INFO] [stdout]    |
[INFO] [stdout] 27 |         fn translate(self: &Greeting, language: Language) -> String;
[INFO] [stdout]    |                                                                    ^ usage of unsafe attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cxx-basics` (bin "cxx-basics") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:18:54
[INFO] [stdout]    |
[INFO] [stdout] 18 |         fn greet(self: &Greeter, greeting: &Greeting);
[INFO] [stdout]    |                                                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:21:47
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn makeGreeter() -> UniquePtr<Greeter>;
[INFO] [stdout]    |                                               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:21:46
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn makeGreeter() -> UniquePtr<Greeter>;
[INFO] [stdout]    |                                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/main.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         type Greeting;
[INFO] [stdout]    |              ^^^^^^^^ usage of unsafe attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/main.rs:27:68
[INFO] [stdout]    |
[INFO] [stdout] 27 |         fn translate(self: &Greeting, language: Language) -> String;
[INFO] [stdout]    |                                                                    ^ usage of unsafe attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cxx-basics` (bin "cxx-basics" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "2245caf53308b2f730204ae136c7056147c297919d6f9001a7b3b3b33600e2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2245caf53308b2f730204ae136c7056147c297919d6f9001a7b3b3b33600e2ff", kill_on_drop: false }`
[INFO] [stdout] 2245caf53308b2f730204ae136c7056147c297919d6f9001a7b3b3b33600e2ff
