[INFO] fetching crate unidb 0.5.0... [INFO] checking unidb-0.5.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate unidb 0.5.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate unidb 0.5.0 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 unidb 0.5.0 [INFO] finished tweaking crates.io crate unidb 0.5.0 [INFO] tweaked toml for crates.io crate unidb 0.5.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 116 packages to latest compatible versions [INFO] [stderr] Adding arc-swap v0.4.8 (latest: v1.7.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.5.0) [INFO] [stderr] Adding log4rs v0.13.0 (latest: v1.3.0) [INFO] [stderr] Adding ordered-float v1.1.1 (latest: v4.2.2) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.10) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.3) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.3) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.1) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding serde-value v0.6.0 (latest: v0.7.0) [INFO] [stderr] Adding serde-xml-rs v0.4.1 (latest: v0.6.0) [INFO] [stderr] Adding serde_yaml v0.8.26 (latest: v0.9.34+deprecated) [INFO] [stderr] Adding sha1 v0.6.1 (latest: v0.10.6) [INFO] [stderr] Adding standback v0.2.17 (latest: v0.4.4) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding thread-id v3.3.0 (latest: v4.2.2) [INFO] [stderr] Adding time v0.2.27 (latest: v0.3.36) [INFO] [stderr] Adding time-macros v0.1.1 (latest: v0.2.18) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.10.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.58.0) [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc171d45eeddd9de3970d91b5e230231ccfd8aa4e038e46aea93b07b625e8afc [INFO] running `Command { std: "docker" "start" "-a" "cc171d45eeddd9de3970d91b5e230231ccfd8aa4e038e46aea93b07b625e8afc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc171d45eeddd9de3970d91b5e230231ccfd8aa4e038e46aea93b07b625e8afc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc171d45eeddd9de3970d91b5e230231ccfd8aa4e038e46aea93b07b625e8afc", kill_on_drop: false }` [INFO] [stdout] cc171d45eeddd9de3970d91b5e230231ccfd8aa4e038e46aea93b07b625e8afc [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d10019ce5e72233aaeba083dba9bff74b8757b63f4930f847f958d5ca3bb0b56 [INFO] running `Command { std: "docker" "start" "-a" "d10019ce5e72233aaeba083dba9bff74b8757b63f4930f847f958d5ca3bb0b56", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling const_fn v0.4.10 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking xml-rs v0.8.21 [INFO] [stderr] Checking arc-swap v0.4.8 [INFO] [stderr] Checking serde-value v0.6.0 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Checking queue v0.3.2-final [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking serde_yaml v0.8.26 [INFO] [stderr] Checking serde-xml-rs v0.4.1 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Checking log4rs v0.13.0 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Checking unidb v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sql` is never read [INFO] [stdout] --> src/lib.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | let mut sql = String::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sql` is never read [INFO] [stdout] --> src/lib.rs:184:13 [INFO] [stdout] | [INFO] [stdout] 184 | let mut sql = String::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [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/utils.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 11 | where P: AsRef, { [INFO] [stdout] 12 | let file = File::open(filename)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | Ok(io::BufReader::new(file).lines()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unidb` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: value assigned to `sql` is never read [INFO] [stdout] --> src/lib.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | let mut sql = String::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sql` is never read [INFO] [stdout] --> src/lib.rs:184:13 [INFO] [stdout] | [INFO] [stdout] 184 | let mut sql = String::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [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/utils.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 11 | where P: AsRef, { [INFO] [stdout] 12 | let file = File::open(filename)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | Ok(io::BufReader::new(file).lines()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unidb` (lib) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d10019ce5e72233aaeba083dba9bff74b8757b63f4930f847f958d5ca3bb0b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d10019ce5e72233aaeba083dba9bff74b8757b63f4930f847f958d5ca3bb0b56", kill_on_drop: false }` [INFO] [stdout] d10019ce5e72233aaeba083dba9bff74b8757b63f4930f847f958d5ca3bb0b56