[INFO] fetching crate serde_db 0.11.1... [INFO] checking serde_db-0.11.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate serde_db 0.11.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate serde_db 0.11.1 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 serde_db 0.11.1 [INFO] finished tweaking crates.io crate serde_db 0.11.1 [INFO] tweaked toml for crates.io crate serde_db 0.11.1 written to /workspace/builds/worker-3-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 79 packages to latest compatible versions [INFO] [stderr] Adding bigdecimal v0.3.1 (available: v0.4.5) [INFO] [stderr] Adding flexi_logger v0.24.2 (available: v0.29.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding idna v0.5.0 (available: v1.0.2) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (available: v0.50.1) [INFO] [stderr] Adding pulldown-cmark v0.9.6 (available: v0.12.1) [INFO] [stderr] Adding toml v0.7.8 (available: v0.8.19) [INFO] [stderr] Adding toml_edit v0.19.15 (available: v0.22.22) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [INFO] [stderr] Adding winnow v0.5.40 (available: v0.6.20) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d03696e3efc1cd0f147989b9c122de374d098d53d6779478653ffa08d747420b [INFO] running `Command { std: "docker" "start" "-a" "d03696e3efc1cd0f147989b9c122de374d098d53d6779478653ffa08d747420b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d03696e3efc1cd0f147989b9c122de374d098d53d6779478653ffa08d747420b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d03696e3efc1cd0f147989b9c122de374d098d53d6779478653ffa08d747420b", kill_on_drop: false }` [INFO] [stdout] d03696e3efc1cd0f147989b9c122de374d098d53d6779478653ffa08d747420b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e188c52664dedaad5bdaa39bb23550415eb5ce2a8b2c7fe83f71ca32b1d5e7c4 [INFO] running `Command { std: "docker" "start" "-a" "e188c52664dedaad5bdaa39bb23550415eb5ce2a8b2c7fe83f71ca32b1d5e7c4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling pulldown-cmark v0.9.6 [INFO] [stderr] Checking winnow v0.5.40 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking unicode-normalization v0.1.24 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Checking thiserror v1.0.64 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking toml_datetime v0.6.8 [INFO] [stderr] Checking serde_spanned v0.6.8 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking bigdecimal v0.3.1 [INFO] [stderr] Checking serde_db v0.11.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/de/row_deserializer.rs:219:27 [INFO] [stdout] | [INFO] [stdout] 219 | fn deserialize_seq(mut self, visitor: V) -> DeserializationResult [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/de/row_deserializer.rs:289:9 [INFO] [stdout] | [INFO] [stdout] 289 | mut self, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/de/row_deserializer.rs:325:29 [INFO] [stdout] | [INFO] [stdout] 325 | fn deserialize_tuple(mut self, _len: usize, visitor: V) -> DeserializationResult [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `std::option::Option<::V>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/de/row_deserializer.rs:502:15 [INFO] [stdout] | [INFO] [stdout] 496 | fn next_element_seed(&mut self, seed: T) -> Result, Self::Error> [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 502 | match self.de.row.next() { [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] warning: variable does not need to be mutable [INFO] [stdout] --> src/de/rs_deserializer.rs:237:27 [INFO] [stdout] | [INFO] [stdout] 237 | fn deserialize_seq(mut self, visitor: V) -> DeserializationResult [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `std::option::Option<::ROW>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/de/rs_deserializer.rs:410:15 [INFO] [stdout] | [INFO] [stdout] 404 | fn next_element_seed(&mut self, seed: T) -> Result, Self::Error> [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 410 | match self.de.rs.next()? { [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] [stderr] Checking toml_edit v0.19.15 [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_db` (lib) due to 3 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e188c52664dedaad5bdaa39bb23550415eb5ce2a8b2c7fe83f71ca32b1d5e7c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e188c52664dedaad5bdaa39bb23550415eb5ce2a8b2c7fe83f71ca32b1d5e7c4", kill_on_drop: false }` [INFO] [stdout] e188c52664dedaad5bdaa39bb23550415eb5ce2a8b2c7fe83f71ca32b1d5e7c4