[INFO] fetching crate den 0.3.0... [INFO] checking den-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate den 0.3.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate den 0.3.0 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 den 0.3.0 [INFO] finished tweaking crates.io crate den 0.3.0 [INFO] tweaked toml for crates.io crate den 0.3.0 written to /workspace/builds/worker-1-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 12 packages to latest compatible versions [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f3a81ce5fa6871971fcf23ca107b90e66b76e9cb539970c8a28bb8f0be471768 [INFO] running `Command { std: "docker" "start" "-a" "f3a81ce5fa6871971fcf23ca107b90e66b76e9cb539970c8a28bb8f0be471768", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f3a81ce5fa6871971fcf23ca107b90e66b76e9cb539970c8a28bb8f0be471768", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3a81ce5fa6871971fcf23ca107b90e66b76e9cb539970c8a28bb8f0be471768", kill_on_drop: false }` [INFO] [stdout] f3a81ce5fa6871971fcf23ca107b90e66b76e9cb539970c8a28bb8f0be471768 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1b290c64a9c8cf37c438241651fd29479eeb1465295cecca3942bca30efdec28 [INFO] running `Command { std: "docker" "start" "-a" "1b290c64a9c8cf37c438241651fd29479eeb1465295cecca3942bca30efdec28", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking xxhash-rust v0.8.12 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking cyclic-poly-23 v0.3.1 [INFO] [stderr] Checking den v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `LargeHashKey` is never constructed [INFO] [stdout] --> src/lib.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | struct LargeHashKey([u8; 8]); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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:1436:23 [INFO] [stdout] | [INFO] [stdout] 1426 | mut f: impl FnMut(&S, usize) -> NS, [INFO] [stdout] | ---------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1436 | segments: segments [INFO] [stdout] | _______________________^ [INFO] [stdout] 1437 | | .iter() [INFO] [stdout] 1438 | | .map(|seg| match seg { [INFO] [stdout] 1439 | | Segment::Unknown(seg) => { [INFO] [stdout] ... | [INFO] [stdout] 1450 | | }) [INFO] [stdout] 1451 | | .collect(), [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: 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:1477:23 [INFO] [stdout] | [INFO] [stdout] 1467 | pub fn map(self, mut f: impl FnMut(S, usize) -> NS) -> Difference { [INFO] [stdout] | ---- --------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 1468 | let Self { [INFO] [stdout] 1469 | segments, [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1477 | segments: segments [INFO] [stdout] | _______________________^ [INFO] [stdout] 1478 | | .into_iter() [INFO] [stdout] 1479 | | .map(|seg| match seg { [INFO] [stdout] 1480 | | Segment::Unknown(seg) => { [INFO] [stdout] ... | [INFO] [stdout] 1491 | | }) [INFO] [stdout] 1492 | | .collect(), [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: struct `LargeHashKey` is never constructed [INFO] [stdout] --> src/lib.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | struct LargeHashKey([u8; 8]); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [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:1436:23 [INFO] [stdout] | [INFO] [stdout] 1426 | mut f: impl FnMut(&S, usize) -> NS, [INFO] [stdout] | ---------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1436 | segments: segments [INFO] [stdout] | _______________________^ [INFO] [stdout] 1437 | | .iter() [INFO] [stdout] 1438 | | .map(|seg| match seg { [INFO] [stdout] 1439 | | Segment::Unknown(seg) => { [INFO] [stdout] ... | [INFO] [stdout] 1450 | | }) [INFO] [stdout] 1451 | | .collect(), [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: 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:1477:23 [INFO] [stdout] | [INFO] [stdout] 1467 | pub fn map(self, mut f: impl FnMut(S, usize) -> NS) -> Difference { [INFO] [stdout] | ---- --------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 1468 | let Self { [INFO] [stdout] 1469 | segments, [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1477 | segments: segments [INFO] [stdout] | _______________________^ [INFO] [stdout] 1478 | | .into_iter() [INFO] [stdout] 1479 | | .map(|seg| match seg { [INFO] [stdout] 1480 | | Segment::Unknown(seg) => { [INFO] [stdout] ... | [INFO] [stdout] 1491 | | }) [INFO] [stdout] 1492 | | .collect(), [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `den` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `den` (lib test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "1b290c64a9c8cf37c438241651fd29479eeb1465295cecca3942bca30efdec28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b290c64a9c8cf37c438241651fd29479eeb1465295cecca3942bca30efdec28", kill_on_drop: false }` [INFO] [stdout] 1b290c64a9c8cf37c438241651fd29479eeb1465295cecca3942bca30efdec28