[INFO] fetching crate arenavec 0.1.1... [INFO] checking arenavec-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate arenavec 0.1.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate arenavec 0.1.1 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 arenavec 0.1.1 [INFO] finished tweaking crates.io crate arenavec 0.1.1 [INFO] tweaked toml for crates.io crate arenavec 0.1.1 written to /workspace/builds/worker-7-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] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 56 packages to latest compatible versions [INFO] [stderr] Adding autocfg v0.1.8 (available: v1.3.0) [INFO] [stderr] Adding bit-set v0.5.3 (available: v0.8.0) [INFO] [stderr] Adding bit-vec v0.6.3 (available: v0.8.0) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding cloudabi v0.0.3 (available: v0.1.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding proptest v0.9.6 (available: v1.5.0) [INFO] [stderr] Adding quick-error v1.2.3 (available: v2.0.1) [INFO] [stderr] Adding rand v0.6.5 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (available: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (available: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (available: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (available: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding regex-syntax v0.6.29 (available: v0.8.4) [INFO] [stderr] Adding rusty-fork v0.2.2 (available: v0.3.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a309a57547d0e3f9dcba89dd4b756419d94474e160b626e87bb4deb0b4e30c4a [INFO] running `Command { std: "docker" "start" "-a" "a309a57547d0e3f9dcba89dd4b756419d94474e160b626e87bb4deb0b4e30c4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a309a57547d0e3f9dcba89dd4b756419d94474e160b626e87bb4deb0b4e30c4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a309a57547d0e3f9dcba89dd4b756419d94474e160b626e87bb4deb0b4e30c4a", kill_on_drop: false }` [INFO] [stdout] a309a57547d0e3f9dcba89dd4b756419d94474e160b626e87bb4deb0b4e30c4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 72652065a7966405c3034d42359f2d816fb17c6521533d595bdc6e0448dc6375 [INFO] running `Command { std: "docker" "start" "-a" "72652065a7966405c3034d42359f2d816fb17c6521533d595bdc6e0448dc6375", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking arenavec v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking bit-set v0.5.3 [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 tempfile v3.12.0 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.6 [INFO] [stdout] error: this value of type `std::vec::Drain<'_, (usize, SliceVecOp)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/rc_dynamic.rs:59:20 [INFO] [stdout] | [INFO] [stdout] 55 | let arena = Arena::init_capacity(ArenaBacking::SystemAllocation, DEFAULT_CAPACITY).unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 56 | let mut vecs: Vec>> = vec![None; NUM_VECS]; [INFO] [stdout] 57 | let mut slice_vecs: Vec>> = vec![None; NUM_VECS]; [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 58 | [INFO] [stdout] 59 | for (v, op) in seq.drain(..) { [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 `std::vec::Drain<'_, (usize, SliceVecOp)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/region_static.rs:61:20 [INFO] [stdout] | [INFO] [stdout] 55 | let arena = Arena::init_capacity(ArenaBacking::SystemAllocation, DEFAULT_CAPACITY).unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 56 | let token = arena.generation_token().unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 59 | let mut slice_vecs: Vec>> = vec![None; NUM_VECS]; [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 60 | [INFO] [stdout] 61 | for (v, op) in seq.drain(..) { [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 `std::vec::Drain<'_, (usize, SliceVecOp)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/region_dynamic.rs:61:20 [INFO] [stdout] | [INFO] [stdout] 55 | let arena = Arena::init_capacity(ArenaBacking::SystemAllocation, DEFAULT_CAPACITY).unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 56 | let token = arena.generation_token().unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 59 | let mut slice_vecs: Vec>> = vec![None; NUM_VECS]; [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 60 | [INFO] [stdout] 61 | for (v, op) in seq.drain(..) { [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `arenavec` (test "rc_dynamic") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `arenavec` (test "region_static") due to 2 previous errors [INFO] [stderr] error: could not compile `arenavec` (test "region_dynamic") due to 2 previous errors [INFO] [stdout] error: this value of type `std::vec::Drain<'_, (usize, SliceVecOp)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/rc_static.rs:57:20 [INFO] [stdout] | [INFO] [stdout] 45 | let arena = Arena::init_capacity(ArenaBacking::SystemAllocation, DEFAULT_CAPACITY).unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 46 | let mut vecs = Vec::with_capacity(NUM_VECS); [INFO] [stdout] 47 | let mut slice_vecs = Vec::with_capacity(NUM_VECS); [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 57 | for (v, op) in seq.drain(..) { [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `arenavec` (test "rc_static") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "72652065a7966405c3034d42359f2d816fb17c6521533d595bdc6e0448dc6375", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72652065a7966405c3034d42359f2d816fb17c6521533d595bdc6e0448dc6375", kill_on_drop: false }` [INFO] [stdout] 72652065a7966405c3034d42359f2d816fb17c6521533d595bdc6e0448dc6375