[INFO] fetching crate mqtt-channel-client 0.6.0... [INFO] checking mqtt-channel-client-0.6.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate mqtt-channel-client 0.6.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate mqtt-channel-client 0.6.0 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 mqtt-channel-client 0.6.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate mqtt-channel-client 0.6.0 [INFO] tweaked toml for crates.io crate mqtt-channel-client 0.6.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate mqtt-channel-client 0.6.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bafbb78f4f26ac8abb37c9c75bf65c7a51f22c811ae1099096af25f9311cbf8 [INFO] running `Command { std: "docker" "start" "-a" "5bafbb78f4f26ac8abb37c9c75bf65c7a51f22c811ae1099096af25f9311cbf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bafbb78f4f26ac8abb37c9c75bf65c7a51f22c811ae1099096af25f9311cbf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bafbb78f4f26ac8abb37c9c75bf65c7a51f22c811ae1099096af25f9311cbf8", kill_on_drop: false }` [INFO] [stdout] 5bafbb78f4f26ac8abb37c9c75bf65c7a51f22c811ae1099096af25f9311cbf8 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e6d8e9bab50e4cb00e392e46c35f0db419ebd229a5c7e1ae5ac53d5948599fa [INFO] running `Command { std: "docker" "start" "-a" "7e6d8e9bab50e4cb00e392e46c35f0db419ebd229a5c7e1ae5ac53d5948599fa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling rustix v0.38.13 [INFO] [stderr] Compiling thiserror v1.0.48 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling syn v2.0.32 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking concurrent-queue v2.2.0 [INFO] [stderr] Checking aho-corasick v1.0.5 [INFO] [stderr] Checking linux-raw-sys v0.4.7 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Compiling cmake v0.1.50 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Compiling openssl-sys v0.9.93 [INFO] [stderr] Compiling paho-mqtt-sys v0.8.1 [INFO] [stderr] Checking regex-automata v0.3.8 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking regex v1.9.5 [INFO] [stderr] Compiling darling_core v0.14.4 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling thiserror-impl v1.0.48 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking tokio v1.32.0 [INFO] [stderr] Compiling darling_macro v0.14.4 [INFO] [stderr] Compiling darling v0.14.4 [INFO] [stderr] Compiling derive_builder_core v0.12.0 [INFO] [stderr] Compiling derive_builder_macro v0.12.0 [INFO] [stderr] Checking derive_builder v0.12.0 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking paho-mqtt v0.12.1 [INFO] [stderr] Checking mqtt-channel-client v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::result::Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client.rs:148:29 [INFO] [stdout] | [INFO] [stdout] 139 | client.set_disconnected_callback(move |_c, _p, _r| { [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 148 | if let Err(e) = tx_channel.send(Event::Status(StatusEvent::Disconnected)) { [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 `mqtt-channel-client` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `std::result::Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client.rs:148:29 [INFO] [stdout] | [INFO] [stdout] 139 | client.set_disconnected_callback(move |_c, _p, _r| { [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 148 | if let Err(e) = tx_channel.send(Event::Status(StatusEvent::Disconnected)) { [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 `mqtt-channel-client` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "7e6d8e9bab50e4cb00e392e46c35f0db419ebd229a5c7e1ae5ac53d5948599fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e6d8e9bab50e4cb00e392e46c35f0db419ebd229a5c7e1ae5ac53d5948599fa", kill_on_drop: false }` [INFO] [stdout] 7e6d8e9bab50e4cb00e392e46c35f0db419ebd229a5c7e1ae5ac53d5948599fa