[INFO] fetching crate ferment-interfaces 0.1.4...
[INFO] checking ferment-interfaces-0.1.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate ferment-interfaces 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ferment-interfaces 0.1.4 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferment-interfaces 0.1.4
[INFO] finished tweaking crates.io crate ferment-interfaces 0.1.4
[INFO] tweaked toml for crates.io crate ferment-interfaces 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48d36f9578b20f360bc1305da17650891549cc0e08051d12bec2087c1bd948c8
[INFO] running `Command { std: "docker" "start" "-a" "48d36f9578b20f360bc1305da17650891549cc0e08051d12bec2087c1bd948c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48d36f9578b20f360bc1305da17650891549cc0e08051d12bec2087c1bd948c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d36f9578b20f360bc1305da17650891549cc0e08051d12bec2087c1bd948c8", kill_on_drop: false }`
[INFO] [stdout] 48d36f9578b20f360bc1305da17650891549cc0e08051d12bec2087c1bd948c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 191a684557d16b46eb7c2f461adfc0a38f56c658bd78c323b3dab3a8d6b038a3
[INFO] running `Command { std: "docker" "start" "-a" "191a684557d16b46eb7c2f461adfc0a38f56c658bd78c323b3dab3a8d6b038a3", kill_on_drop: false }`
[INFO] [stderr]     Checking ferment-interfaces v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:101:19
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn boxed<T>(obj: T) -> *mut T {
[INFO] [stdout]     |                 ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 101 |     Box::into_raw(Box::new(obj))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:187:15
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub unsafe fn to_complex_vec<T, U>(iter: impl Iterator<Item=T>) -> *mut *mut U
[INFO] [stdout]     |                                    --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 186 |     where U: FFIConversion<T> {
[INFO] [stdout] 187 |     boxed_vec(iter.map(|o| <U as FFIConversion<T>>::ffi_to(o)).collect())
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:193:15
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub unsafe fn to_primitive_vec<T, U>(iter: impl Iterator<Item=T>) -> *mut U
[INFO] [stdout]     |                                      --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 192 |     where Vec<U>: FromIterator<T> {
[INFO] [stdout] 193 |     boxed_vec(iter.collect())
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 203 |     key_converter: impl Fn(K) -> K2,
[INFO] [stdout]     |     ------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 204 |     value_converter: impl Fn(V) -> V2) -> M
[INFO] [stdout]     |     --------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 209 |     (0..count).fold(M::new(), |mut acc, i| {
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:101:19
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn boxed<T>(obj: T) -> *mut T {
[INFO] [stdout]     |                 ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 101 |     Box::into_raw(Box::new(obj))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:187:15
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub unsafe fn to_complex_vec<T, U>(iter: impl Iterator<Item=T>) -> *mut *mut U
[INFO] [stdout]     |                                    --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 186 |     where U: FFIConversion<T> {
[INFO] [stdout] 187 |     boxed_vec(iter.map(|o| <U as FFIConversion<T>>::ffi_to(o)).collect())
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:193:15
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub unsafe fn to_primitive_vec<T, U>(iter: impl Iterator<Item=T>) -> *mut U
[INFO] [stdout]     |                                      --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 192 |     where Vec<U>: FromIterator<T> {
[INFO] [stdout] 193 |     boxed_vec(iter.collect())
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 203 |     key_converter: impl Fn(K) -> K2,
[INFO] [stdout]     |     ------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 204 |     value_converter: impl Fn(V) -> V2) -> M
[INFO] [stdout]     |     --------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 209 |     (0..count).fold(M::new(), |mut acc, i| {
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ferment-interfaces` (lib test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ferment-interfaces` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "191a684557d16b46eb7c2f461adfc0a38f56c658bd78c323b3dab3a8d6b038a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191a684557d16b46eb7c2f461adfc0a38f56c658bd78c323b3dab3a8d6b038a3", kill_on_drop: false }`
[INFO] [stdout] 191a684557d16b46eb7c2f461adfc0a38f56c658bd78c323b3dab3a8d6b038a3