[INFO] cloning repository https://github.com/GlenDC/cxx-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GlenDC/cxx-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlenDC%2Fcxx-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlenDC%2Fcxx-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2103ef5bd78b0d5d7e521ca4c78a872918d8968c
[INFO] fixing GlenDC/cxx-demo 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%2FGlenDC%2Fcxx-demo" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GlenDC/cxx-demo
[INFO] finished tweaking git repo https://github.com/GlenDC/cxx-demo
[INFO] tweaked toml for git repo https://github.com/GlenDC/cxx-demo written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GlenDC/cxx-demo 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/GlenDC/cxx-demo 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-1-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 47a3af49584415d088d5323c880562690a58e77875e58f37260b37c6c1355a17
[INFO] running `Command { std: "docker" "start" "47a3af49584415d088d5323c880562690a58e77875e58f37260b37c6c1355a17", 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" "47a3af49584415d088d5323c880562690a58e77875e58f37260b37c6c1355a17" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a3af49584415d088d5323c880562690a58e77875e58f37260b37c6c1355a17", 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" "47a3af49584415d088d5323c880562690a58e77875e58f37260b37c6c1355a17" "/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 libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.107
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxx v1.0.107
[INFO] [stderr]    Compiling cxx-build v1.0.107
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.107
[INFO] [stderr]    Compiling cxx-demo 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_demo`
[INFO] [stderr]  --> src/main.rs
[INFO] [stderr]   = cause: error: expected one of `!`, `(`, `+`, `,`, `::`, `:`, `<`, `=`, or `>`, found `{`
[INFO] [stderr]              --> src/main.rs:21:63
[INFO] [stderr]               |
[INFO] [stderr]            16 |     unsafe extern "C++" {
[INFO] [stderr]               |                         - while parsing this item list starting here
[INFO] [stderr]            ...
[INFO] [stderr]            21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient{ unsafe >};
[INFO] [stderr]               |                                                               ^ expected one of 9 possible tokens
[INFO] [stderr]            ...
[INFO] [stderr]            26 |     }
[INFO] [stderr]               |     - the item list ends here
[INFO] [stderr]               |
[INFO] [stderr]            help: you might have meant to end the type parameters here
[INFO] [stderr]               |
[INFO] [stderr]            21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>{ unsafe >};
[INFO] [stderr]               |                                                               +
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: expected `,`
[INFO] [stderr]              --> src/main.rs:21:63
[INFO] [stderr]               |
[INFO] [stderr]            21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient{ unsafe >};
[INFO] [stderr]               |                                                               ^
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: aborting due to 2 previous errors
[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:21:64
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[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:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |         fn put(&self, parts: &mut MultiBuf) -> u64;
[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:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |         fn tag(&self, blobid: u64, tag: &str);
[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:25:56
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn metadata(&self, blobid: u64) -> BlobMetadata;
[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:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[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:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |         type MultiBuf;
[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:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn next_chunk(buf: &mut MultiBuf) -> &[u8];
[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] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__raw::__raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `--force-warn unsafe-op-in-unsafe-fn` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__get::__get` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__release::__release` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__drop::__drop` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: errors present after applying fixes to crate `cxx_demo`
[INFO] [stderr]  --> src/main.rs
[INFO] [stderr]   = cause: error: expected one of `!`, `(`, `+`, `,`, `::`, `:`, `<`, `=`, or `>`, found `{`
[INFO] [stderr]              --> src/main.rs:21:63
[INFO] [stderr]               |
[INFO] [stderr]            16 |     unsafe extern "C++" {
[INFO] [stderr]               |                         - while parsing this item list starting here
[INFO] [stderr]            ...
[INFO] [stderr]            21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient{ unsafe >};
[INFO] [stderr]               |                                                               ^ expected one of 9 possible tokens
[INFO] [stderr]            ...
[INFO] [stderr]            26 |     }
[INFO] [stderr]               |     - the item list ends here
[INFO] [stderr]               |
[INFO] [stderr]            help: you might have meant to end the type parameters here
[INFO] [stderr]               |
[INFO] [stderr]            21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>{ unsafe >};
[INFO] [stderr]               |                                                               +
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: expected `,`
[INFO] [stderr]              --> src/main.rs:21:63
[INFO] [stderr]               |
[INFO] [stdout] warning: extern blocks should be unsafe
[INFO] [stdout]   --> src/main.rs:21:64
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[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]            21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient{ unsafe >};
[INFO] [stdout] warning: extern blocks should be unsafe
[INFO] [stdout]   --> src/main.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |         fn put(&self, parts: &mut MultiBuf) -> u64;
[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]               |                                                               ^
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: aborting due to 2 previous errors
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.60s
[INFO] [stdout] warning: extern blocks should be unsafe
[INFO] [stdout]   --> src/main.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |         fn tag(&self, blobid: u64, tag: &str);
[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:25:56
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn metadata(&self, blobid: u64) -> BlobMetadata;
[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:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[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:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |         type MultiBuf;
[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:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn next_chunk(buf: &mut MultiBuf) -> &[u8];
[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] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__raw::__raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `--force-warn unsafe-op-in-unsafe-fn` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__get::__get` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__release::__release` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__drop::__drop` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] crater-edition-check: cxx-demo v0.1.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]    Compiling cxx-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:21:64
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |         fn put(&self, parts: &mut MultiBuf) -> u64;
[INFO] [stdout]    |                                                   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |         fn tag(&self, blobid: u64, tag: &str);
[INFO] [stdout]    |                                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:25:56
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn metadata(&self, blobid: u64) -> BlobMetadata;
[INFO] [stdout]    |                                                        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/main.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |         type MultiBuf;
[INFO] [stdout]    |              ^^^^^^^^ usage of unsafe attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/main.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn next_chunk(buf: &mut MultiBuf) -> &[u8];
[INFO] [stdout]    |                                                   ^ usage of unsafe attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__raw::__raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__get::__get` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__release::__release` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__drop::__drop` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cxx-demo` (bin "cxx-demo" test) due to 7 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:21:64
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |         fn put(&self, parts: &mut MultiBuf) -> u64;
[INFO] [stdout]    |                                                   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |         fn tag(&self, blobid: u64, tag: &str);
[INFO] [stdout]    |                                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:25:56
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn metadata(&self, blobid: u64) -> BlobMetadata;
[INFO] [stdout]    |                                                        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/main.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |         type MultiBuf;
[INFO] [stdout]    |              ^^^^^^^^ usage of unsafe attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/main.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn next_chunk(buf: &mut MultiBuf) -> &[u8];
[INFO] [stdout]    |                                                   ^ usage of unsafe attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__raw::__raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__get::__get` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__release::__release` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `<ffi::BlobstoreClient as cxx::memory::UniquePtrTarget>::__drop::__drop` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/main.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |                                                               ^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cxx-demo` (bin "cxx-demo") due to 7 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "47a3af49584415d088d5323c880562690a58e77875e58f37260b37c6c1355a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a3af49584415d088d5323c880562690a58e77875e58f37260b37c6c1355a17", kill_on_drop: false }`
[INFO] [stdout] 47a3af49584415d088d5323c880562690a58e77875e58f37260b37c6c1355a17
