[INFO] fetching crate rkv 0.19.0... [INFO] checking rkv-0.19.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate rkv 0.19.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate rkv 0.19.0 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 rkv 0.19.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate rkv 0.19.0 [INFO] tweaked toml for crates.io crate rkv 0.19.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate rkv 0.19.0 already has a lockfile, it will not be regenerated [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] [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1943b9fbee5b49005ba486aebf8387a5a28bfff0b29a02414fc7c59cc51cb81 [INFO] running `Command { std: "docker" "start" "-a" "a1943b9fbee5b49005ba486aebf8387a5a28bfff0b29a02414fc7c59cc51cb81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1943b9fbee5b49005ba486aebf8387a5a28bfff0b29a02414fc7c59cc51cb81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1943b9fbee5b49005ba486aebf8387a5a28bfff0b29a02414fc7c59cc51cb81", kill_on_drop: false }` [INFO] [stdout] a1943b9fbee5b49005ba486aebf8387a5a28bfff0b29a02414fc7c59cc51cb81 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4bb085052a5c486859499d8aa3a5347b66c553bcf3fa90cf0e1fa2734d1dfb57 [INFO] running `Command { std: "docker" "start" "-a" "4bb085052a5c486859499d8aa3a5347b66c553bcf3fa90cf0e1fa2734d1dfb57", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling serde v1.0.190 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Checking percent-encoding v2.3.0 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Checking linux-raw-sys v0.4.10 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking arrayref v0.3.7 [INFO] [stderr] Checking id-arena v2.2.1 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking uuid v1.5.0 [INFO] [stderr] Checking form_urlencoded v1.2.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking idna v0.4.0 [INFO] [stderr] Checking ordered-float v3.9.2 [INFO] [stderr] Checking url v2.4.1 [INFO] [stderr] Compiling serde_derive v1.0.190 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking rkv v0.19.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/backend/impl_safe/cursor.rs:76:29 [INFO] [stdout] | [INFO] [stdout] 76 | pub struct RwCursorImpl<'c>(&'c mut Snapshot); [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `RwCursorImpl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/manager.rs:195:9 [INFO] [stdout] | [INFO] [stdout] 195 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::*` [INFO] [stdout] --> src/manager.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 196 | use crate::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/manager.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tempfile::Builder` [INFO] [stdout] --> src/manager.rs:200:9 [INFO] [stdout] | [INFO] [stdout] 200 | use tempfile::Builder; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `multi::Iter<'_, IterImpl<'_>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/store/integermulti.rs:252:17 [INFO] [stdout] | [INFO] [stdout] 234 | let root = Builder::new() [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 252 | let mut iter = s.get(&writer, 1).expect("read"); [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 `multi::Iter<'_, IterImpl<'_>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/store/integermulti.rs:393:17 [INFO] [stdout] | [INFO] [stdout] 354 | let root = Builder::new() [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 393 | let mut iter = s.get(&reader, 1).expect("read"); [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: this value of type `multi::Iter<'_, IterImpl<'_>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/store/integermulti.rs:556:17 [INFO] [stdout] | [INFO] [stdout] 538 | let root = Builder::new() [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 556 | let mut iter = s.get(&writer, 1).expect("read"); [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: this value of type `multi::Iter<'_, IterImpl<'_>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/store/integermulti.rs:697:17 [INFO] [stdout] | [INFO] [stdout] 658 | let root = Builder::new() [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 697 | let mut iter = s.get(&reader, 1).expect("read"); [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] warning: field `0` is never read [INFO] [stdout] --> src/backend/impl_safe/cursor.rs:76:29 [INFO] [stdout] | [INFO] [stdout] 76 | pub struct RwCursorImpl<'c>(&'c mut Snapshot); [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `RwCursorImpl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rkv` (lib test) due to 5 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "4bb085052a5c486859499d8aa3a5347b66c553bcf3fa90cf0e1fa2734d1dfb57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bb085052a5c486859499d8aa3a5347b66c553bcf3fa90cf0e1fa2734d1dfb57", kill_on_drop: false }` [INFO] [stdout] 4bb085052a5c486859499d8aa3a5347b66c553bcf3fa90cf0e1fa2734d1dfb57