[INFO] fetching crate frappe 0.4.7... [INFO] checking frappe-0.4.7 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate frappe 0.4.7 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate frappe 0.4.7 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 frappe 0.4.7 [INFO] finished tweaking crates.io crate frappe 0.4.7 [INFO] tweaked toml for crates.io crate frappe 0.4.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate frappe 0.4.7 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e217257d7140e29ea6098b0ea6b73ea151eaec9959b920de3a80298fe5f5bdbf [INFO] running `Command { std: "docker" "start" "-a" "e217257d7140e29ea6098b0ea6b73ea151eaec9959b920de3a80298fe5f5bdbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e217257d7140e29ea6098b0ea6b73ea151eaec9959b920de3a80298fe5f5bdbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e217257d7140e29ea6098b0ea6b73ea151eaec9959b920de3a80298fe5f5bdbf", kill_on_drop: false }` [INFO] [stdout] e217257d7140e29ea6098b0ea6b73ea151eaec9959b920de3a80298fe5f5bdbf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a94f902471bba41e8367a93ae164aec7fc5a82c86c9d5fd0791e4df8ac516266 [INFO] running `Command { std: "docker" "start" "-a" "a94f902471bba41e8367a93ae164aec7fc5a82c86c9d5fd0791e4df8ac516266", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.5 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking maybe-owned v0.3.4 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking frappe v0.4.7 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `FutureValue` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/futures.rs:98:15 [INFO] [stdout] | [INFO] [stdout] 97 | let mut storage = self.storage.lock(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 98 | match mem::replace(&mut storage.value, FutureValue::Pending) { [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 `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/signal.rs:152:32 [INFO] [stdout] | [INFO] [stdout] 151 | let source = rx.lock(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 152 | if let Ok(first) = source.try_recv() { [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 `lock_api::mutex::MutexGuard<'_, RawMutex, Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/stream.rs:585:36 [INFO] [stdout] | [INFO] [stdout] 582 | with_weak!(weak1, |cb| { [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 583 | let arg = arg.into_owned(); [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 584 | *left.lock() = Some(arg.clone()); [INFO] [stdout] 585 | if let Some(val) = right1.lock().as_ref() { [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 `lock_api::mutex::MutexGuard<'_, RawMutex, Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/stream.rs:595:36 [INFO] [stdout] | [INFO] [stdout] 592 | with_weak!(weak2, |cb| { [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 593 | let arg = arg.into_owned(); [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 594 | *right.lock() = Some(arg.clone()); [INFO] [stdout] 595 | if let Some(val) = left1.lock().as_ref() { [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/stream.rs:138:12 [INFO] [stdout] | [INFO] [stdout] 138 | Erased(Arc), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Source` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 138 | Erased(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `frappe` (lib) due to 5 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a94f902471bba41e8367a93ae164aec7fc5a82c86c9d5fd0791e4df8ac516266", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a94f902471bba41e8367a93ae164aec7fc5a82c86c9d5fd0791e4df8ac516266", kill_on_drop: false }` [INFO] [stdout] a94f902471bba41e8367a93ae164aec7fc5a82c86c9d5fd0791e4df8ac516266