[INFO] fetching crate mdns-resolver 0.1.0... [INFO] checking mdns-resolver-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate mdns-resolver 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate mdns-resolver 0.1.0 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 mdns-resolver 0.1.0 [INFO] finished tweaking crates.io crate mdns-resolver 0.1.0 [INFO] tweaked toml for crates.io crate mdns-resolver 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate mdns-resolver 0.1.0 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] [stderr] Blocking waiting for file lock on package cache [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] c738e89562551a4a17ee6e6a2e64fc72b0467a182697efe5870c3b2e91c42e67 [INFO] running `Command { std: "docker" "start" "-a" "c738e89562551a4a17ee6e6a2e64fc72b0467a182697efe5870c3b2e91c42e67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c738e89562551a4a17ee6e6a2e64fc72b0467a182697efe5870c3b2e91c42e67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c738e89562551a4a17ee6e6a2e64fc72b0467a182697efe5870c3b2e91c42e67", kill_on_drop: false }` [INFO] [stdout] c738e89562551a4a17ee6e6a2e64fc72b0467a182697efe5870c3b2e91c42e67 [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] 703fe8db2974cb399697d00213fddcff8ad1eebd17306467f1e7bb5c4a4965c4 [INFO] running `Command { std: "docker" "start" "-a" "703fe8db2974cb399697d00213fddcff8ad1eebd17306467f1e7bb5c4a4965c4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking tracing-core v0.1.19 [INFO] [stderr] Compiling tokio v1.10.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking socket2 v0.4.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Checking simple-dns v0.2.1 [INFO] [stderr] Checking mdns-resolver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `HashMap` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:163:7 [INFO] [stdout] | [INFO] [stdout] 159 | mut query_rx: UnboundedReceiver, [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 160 | mut packet_rx: UnboundedReceiver, [INFO] [stdout] | ------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 161 | socket: Arc, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 162 | ) { [INFO] [stdout] 163 | let mut queries = HashMap::new(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 167 | / tokio::select! { [INFO] [stdout] 168 | | query = query_rx.recv() => { [INFO] [stdout] 169 | | let mut query = match query { [INFO] [stdout] 170 | | Some(query) => query, [INFO] [stdout] ... | [INFO] [stdout] 232 | | } [INFO] [stdout] 233 | | }; [INFO] [stdout] | | - [INFO] [stdout] | |_____| [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 `HashMap` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:163:7 [INFO] [stdout] | [INFO] [stdout] 159 | mut query_rx: UnboundedReceiver, [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 160 | mut packet_rx: UnboundedReceiver, [INFO] [stdout] | ------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 161 | socket: Arc, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 162 | ) { [INFO] [stdout] 163 | let mut queries = HashMap::new(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 167 | / tokio::select! { [INFO] [stdout] 168 | | query = query_rx.recv() => { [INFO] [stdout] 169 | | let mut query = match query { [INFO] [stdout] 170 | | Some(query) => query, [INFO] [stdout] ... | [INFO] [stdout] 232 | | } [INFO] [stdout] 233 | | }; [INFO] [stdout] | | - [INFO] [stdout] | |_____| [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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] [stderr] error: could not compile `mdns-resolver` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mdns-resolver` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "703fe8db2974cb399697d00213fddcff8ad1eebd17306467f1e7bb5c4a4965c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "703fe8db2974cb399697d00213fddcff8ad1eebd17306467f1e7bb5c4a4965c4", kill_on_drop: false }` [INFO] [stdout] 703fe8db2974cb399697d00213fddcff8ad1eebd17306467f1e7bb5c4a4965c4