[INFO] fetching crate mime-rs 0.3.0...
[INFO] checking mime-rs-0.3.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate mime-rs 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate mime-rs 0.3.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mime-rs 0.3.0
[INFO] finished tweaking crates.io crate mime-rs 0.3.0
[INFO] tweaked toml for crates.io crate mime-rs 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd5ce6cb2de37d0f40b991953f31095fa2e6fdc05df90af94fd883d5e639ee4d
[INFO] running `Command { std: "docker" "start" "-a" "bd5ce6cb2de37d0f40b991953f31095fa2e6fdc05df90af94fd883d5e639ee4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd5ce6cb2de37d0f40b991953f31095fa2e6fdc05df90af94fd883d5e639ee4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5ce6cb2de37d0f40b991953f31095fa2e6fdc05df90af94fd883d5e639ee4d", kill_on_drop: false }`
[INFO] [stdout] bd5ce6cb2de37d0f40b991953f31095fa2e6fdc05df90af94fd883d5e639ee4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3abbf40fc3cfe85b3a66c5a9f6d94e55cd17cbe7ec34c48db0372743d2745bf7
[INFO] running `Command { std: "docker" "start" "-a" "3abbf40fc3cfe85b3a66c5a9f6d94e55cd17cbe7ec34c48db0372743d2745bf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.128
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxx v1.0.128
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling cxx-build v1.0.128
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.128
[INFO] [stderr]    Compiling mime-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `RefMut<'_, UniquePtr<buffer>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> mime-rs/lib.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |           let_cxx_string!(from = from);
[INFO] [stdout]     |           ---------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 113 |           let_cxx_string!(to = to);
[INFO] [stdout]     |           ------------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 114 | /         self.buffer
[INFO] [stdout] 115 | |             .borrow_mut()
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `RefMut<'_, UniquePtr<buffer>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> mime-rs/lib.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |           let_cxx_string!(from = from);
[INFO] [stdout]     |           ---------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 113 |           let_cxx_string!(to = to);
[INFO] [stdout]     |           ------------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 114 | /         self.buffer
[INFO] [stdout] 115 | |             .borrow_mut()
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[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] error: could not compile `mime-rs` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mime-rs` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3abbf40fc3cfe85b3a66c5a9f6d94e55cd17cbe7ec34c48db0372743d2745bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3abbf40fc3cfe85b3a66c5a9f6d94e55cd17cbe7ec34c48db0372743d2745bf7", kill_on_drop: false }`
[INFO] [stdout] 3abbf40fc3cfe85b3a66c5a9f6d94e55cd17cbe7ec34c48db0372743d2745bf7