[INFO] fetching crate mc173 0.2.0... [INFO] checking mc173-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate mc173 0.2.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate mc173 0.2.0 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 mc173 0.2.0 [INFO] finished tweaking crates.io crate mc173 0.2.0 [INFO] tweaked toml for crates.io crate mc173 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate mc173 0.2.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] edfa6eacc72283dc78cd7235928f46b07c5c64b0c253c4b479befcd501f5defa [INFO] running `Command { std: "docker" "start" "-a" "edfa6eacc72283dc78cd7235928f46b07c5c64b0c253c4b479befcd501f5defa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "edfa6eacc72283dc78cd7235928f46b07c5c64b0c253c4b479befcd501f5defa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edfa6eacc72283dc78cd7235928f46b07c5c64b0c253c4b479befcd501f5defa", kill_on_drop: false }` [INFO] [stdout] edfa6eacc72283dc78cd7235928f46b07c5c64b0c253c4b479befcd501f5defa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7dccb2539a6f8d11abf4334c0bbb25e99a48f58b543b0cec74d0dcff84d1a7a9 [INFO] running `Command { std: "docker" "start" "-a" "7dccb2539a6f8d11abf4334c0bbb25e99a48f58b543b0cec74d0dcff84d1a7a9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking hashbrown v0.14.2 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking glam v0.24.2 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking indexmap v2.0.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking mc173 v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::collections::hash_map::IntoIter>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/world.rs:278:36 [INFO] [stdout] | [INFO] [stdout] 269 | pub fn insert_chunk_snapshot(&mut self, snapshot: ChunkSnapshot) { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 278 | for (pos, block_entity) in snapshot.block_entities { [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::collections::hash_map::IntoIter>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/world.rs:278:36 [INFO] [stdout] | [INFO] [stdout] 269 | pub fn insert_chunk_snapshot(&mut self, snapshot: ChunkSnapshot) { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 278 | for (pos, block_entity) in snapshot.block_entities { [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 `mc173` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mc173` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "7dccb2539a6f8d11abf4334c0bbb25e99a48f58b543b0cec74d0dcff84d1a7a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dccb2539a6f8d11abf4334c0bbb25e99a48f58b543b0cec74d0dcff84d1a7a9", kill_on_drop: false }` [INFO] [stdout] 7dccb2539a6f8d11abf4334c0bbb25e99a48f58b543b0cec74d0dcff84d1a7a9