[INFO] fetching crate sval_fmt 2.13.1... [INFO] checking sval_fmt-2.13.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate sval_fmt 2.13.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate sval_fmt 2.13.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sval_fmt 2.13.1 [INFO] finished tweaking crates.io crate sval_fmt 2.13.1 [INFO] tweaked toml for crates.io crate sval_fmt 2.13.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 3 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 395cc01a1d258818b2a4b9c57781d22538005b937b45596aa841c8e64167b9fd [INFO] running `Command { std: "docker" "start" "-a" "395cc01a1d258818b2a4b9c57781d22538005b937b45596aa841c8e64167b9fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "395cc01a1d258818b2a4b9c57781d22538005b937b45596aa841c8e64167b9fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "395cc01a1d258818b2a4b9c57781d22538005b937b45596aa841c8e64167b9fd", kill_on_drop: false }` [INFO] [stdout] 395cc01a1d258818b2a4b9c57781d22538005b937b45596aa841c8e64167b9fd [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 -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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 637dac4dc09fe756a892cf2beddf95b2257f84b6a03a4da16d25a5a67585aa85 [INFO] running `Command { std: "docker" "start" "-a" "637dac4dc09fe756a892cf2beddf95b2257f84b6a03a4da16d25a5a67585aa85", kill_on_drop: false }` [INFO] [stderr] Checking sval v2.13.1 [INFO] [stderr] Checking sval_fmt v2.13.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `writer::Writer>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/to_write.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn stream_to_write(fmt: impl Write, v: impl sval::Value) -> fmt::Result { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | v.stream(&mut Writer::new(GenericWriter(fmt))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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 `writer::Writer` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/to_write.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn stream_to_token_write(fmt: impl TokenWrite, v: impl sval::Value) -> fmt::Result { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | v.stream(&mut Writer::new(fmt)).map_err(|_| fmt::Error) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sval_fmt` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `writer::Writer>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/to_write.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn stream_to_write(fmt: impl Write, v: impl sval::Value) -> fmt::Result { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | v.stream(&mut Writer::new(GenericWriter(fmt))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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 `writer::Writer` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/to_write.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn stream_to_token_write(fmt: impl TokenWrite, v: impl sval::Value) -> fmt::Result { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | v.stream(&mut Writer::new(fmt)).map_err(|_| fmt::Error) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sval_fmt` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "637dac4dc09fe756a892cf2beddf95b2257f84b6a03a4da16d25a5a67585aa85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "637dac4dc09fe756a892cf2beddf95b2257f84b6a03a4da16d25a5a67585aa85", kill_on_drop: false }` [INFO] [stdout] 637dac4dc09fe756a892cf2beddf95b2257f84b6a03a4da16d25a5a67585aa85