[INFO] fetching crate fake-tcp 0.5.0... [INFO] checking fake-tcp-0.5.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate fake-tcp 0.5.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate fake-tcp 0.5.0 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 fake-tcp 0.5.0 [INFO] finished tweaking crates.io crate fake-tcp 0.5.0 [INFO] tweaked toml for crates.io crate fake-tcp 0.5.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 90 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding flume v0.10.14 (available: v0.11.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding ipnetwork v0.19.0 (available: v0.20.0) [INFO] [stderr] Adding nix v0.25.1 (available: v0.29.0) [INFO] [stderr] Adding pnet v0.31.0 (available: v0.35.0) [INFO] [stderr] Adding pnet_base v0.31.0 (available: v0.35.0) [INFO] [stderr] Adding pnet_datalink v0.31.0 (available: v0.35.0) [INFO] [stderr] Adding pnet_macros v0.31.0 (available: v0.35.0) [INFO] [stderr] Adding pnet_macros_support v0.31.0 (available: v0.35.0) [INFO] [stderr] Adding pnet_packet v0.31.0 (available: v0.35.0) [INFO] [stderr] Adding pnet_sys v0.31.0 (available: v0.35.0) [INFO] [stderr] Adding pnet_transport v0.31.0 (available: v0.35.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding tokio-tun v0.7.0 (available: v0.12.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f4b7b1a8d5407f13970cb70d8369124cff4deeda9e0357f7e4d911191fd06f6 [INFO] running `Command { std: "docker" "start" "-a" "9f4b7b1a8d5407f13970cb70d8369124cff4deeda9e0357f7e4d911191fd06f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f4b7b1a8d5407f13970cb70d8369124cff4deeda9e0357f7e4d911191fd06f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f4b7b1a8d5407f13970cb70d8369124cff4deeda9e0357f7e4d911191fd06f6", kill_on_drop: false }` [INFO] [stdout] 9f4b7b1a8d5407f13970cb70d8369124cff4deeda9e0357f7e4d911191fd06f6 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66efbfd1034f266f43b701a45d2a6e4a5e9c89b160fb909874308d4eff7fdabb [INFO] running `Command { std: "docker" "start" "-a" "66efbfd1034f266f43b701a45d2a6e4a5e9c89b160fb909874308d4eff7fdabb", kill_on_drop: false }` [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking pnet_sys v0.31.0 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Compiling pnet v0.31.0 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking nix v0.25.1 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking ipnetwork v0.19.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking internet-checksum v0.2.1 [INFO] [stderr] Checking pnet_base v0.31.0 [INFO] [stderr] Checking pnet_macros_support v0.31.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking pnet_datalink v0.31.0 [INFO] [stderr] Checking flume v0.10.14 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling pnet_macros v0.31.0 [INFO] [stderr] Checking pnet_packet v0.31.0 [INFO] [stderr] Checking tokio-tun v0.7.0 [INFO] [stderr] Checking pnet_transport v0.31.0 [INFO] [stderr] Checking fake-tcp v0.5.0 (/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:436:13 [INFO] [stdout] | [INFO] [stdout] 432 | tun: Arc, [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 433 | shared: Arc, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 434 | mut tuples_purge: broadcast::Receiver, [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 435 | ) { [INFO] [stdout] 436 | let mut tuples: HashMap> = HashMap::new(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 441 | / tokio::select! { [INFO] [stdout] 442 | | size = tun.recv(&mut buf) => { [INFO] [stdout] 443 | | let size = size.unwrap(); [INFO] [stdout] 444 | | buf.truncate(size); [INFO] [stdout] ... | [INFO] [stdout] 536 | | } [INFO] [stdout] 537 | | } [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] | [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:436:13 [INFO] [stdout] | [INFO] [stdout] 432 | tun: Arc, [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 433 | shared: Arc, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 434 | mut tuples_purge: broadcast::Receiver, [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 435 | ) { [INFO] [stdout] 436 | let mut tuples: HashMap> = HashMap::new(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 441 | / tokio::select! { [INFO] [stdout] 442 | | size = tun.recv(&mut buf) => { [INFO] [stdout] 443 | | let size = size.unwrap(); [INFO] [stdout] 444 | | buf.truncate(size); [INFO] [stdout] ... | [INFO] [stdout] 536 | | } [INFO] [stdout] 537 | | } [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] | [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 `fake-tcp` (lib test) due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `fake-tcp` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "66efbfd1034f266f43b701a45d2a6e4a5e9c89b160fb909874308d4eff7fdabb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66efbfd1034f266f43b701a45d2a6e4a5e9c89b160fb909874308d4eff7fdabb", kill_on_drop: false }` [INFO] [stdout] 66efbfd1034f266f43b701a45d2a6e4a5e9c89b160fb909874308d4eff7fdabb