[INFO] fetching crate mqtt-async-client 0.3.1... [INFO] checking mqtt-async-client-0.3.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate mqtt-async-client 0.3.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate mqtt-async-client 0.3.1 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 mqtt-async-client 0.3.1 [INFO] finished tweaking crates.io crate mqtt-async-client 0.3.1 [INFO] tweaked toml for crates.io crate mqtt-async-client 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate mqtt-async-client 0.3.1 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ac563e6229b87ecfb2b76b83ab1220472d656507dc58baef0291ac55ec806474 [INFO] running `Command { std: "docker" "start" "-a" "ac563e6229b87ecfb2b76b83ab1220472d656507dc58baef0291ac55ec806474", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac563e6229b87ecfb2b76b83ab1220472d656507dc58baef0291ac55ec806474", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac563e6229b87ecfb2b76b83ab1220472d656507dc58baef0291ac55ec806474", kill_on_drop: false }` [INFO] [stdout] ac563e6229b87ecfb2b76b83ab1220472d656507dc58baef0291ac55ec806474 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a51867f60312d0896f1892dd7e511b69ced9d660d55089fbbf9b0e7697918aa7 [INFO] running `Command { std: "docker" "start" "-a" "a51867f60312d0896f1892dd7e511b69ced9d660d55089fbbf9b0e7697918aa7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling futures-macro v0.3.16 [INFO] [stderr] Compiling tokio v1.9.0 [INFO] [stderr] Checking tinyvec v1.3.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking mqttrs v0.2.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking rustls v0.19.1 [INFO] [stderr] Checking webpki-roots v0.18.0 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Checking tokio-rustls v0.22.0 [INFO] [stderr] Checking mqtt-async-client v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::result::Result<(), error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client/client.rs:974:17 [INFO] [stdout] | [INFO] [stdout] 966 | async fn handle_io_req(&mut self, req: IoRequest) -> Result<()> { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 974 | let res = Self::write_packet(&self.options, c, &p).await; [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::result::Result<(), error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client/client.rs:974:17 [INFO] [stdout] | [INFO] [stdout] 966 | async fn handle_io_req(&mut self, req: IoRequest) -> Result<()> { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 974 | let res = Self::write_packet(&self.options, c, &p).await; [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 `Pin>>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client/client.rs:870:17 [INFO] [stdout] | [INFO] [stdout] 870 | let mut req_fut = Box::pin(self.rx_io_requests.recv().fuse()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 882 | / select! { [INFO] [stdout] 883 | | req = req_fut => SelectResult::IoReq(req), [INFO] [stdout] 884 | | read = read_fut => SelectResult::Read(read), [INFO] [stdout] 885 | | _ = ping_fut => SelectResult::Ping, [INFO] [stdout] 886 | | _ = pingresp_expected_fut => SelectResult::PingrespExpected, [INFO] [stdout] 887 | | } [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] [INFO] [stdout] [INFO] [stdout] error: this value of type `Pin>>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client/client.rs:870:17 [INFO] [stdout] | [INFO] [stdout] 870 | let mut req_fut = Box::pin(self.rx_io_requests.recv().fuse()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 882 | / select! { [INFO] [stdout] 883 | | req = req_fut => SelectResult::IoReq(req), [INFO] [stdout] 884 | | read = read_fut => SelectResult::Read(read), [INFO] [stdout] 885 | | _ = ping_fut => SelectResult::Ping, [INFO] [stdout] 886 | | _ = pingresp_expected_fut => SelectResult::PingrespExpected, [INFO] [stdout] 887 | | } [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mqtt-async-client` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mqtt-async-client` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "a51867f60312d0896f1892dd7e511b69ced9d660d55089fbbf9b0e7697918aa7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a51867f60312d0896f1892dd7e511b69ced9d660d55089fbbf9b0e7697918aa7", kill_on_drop: false }` [INFO] [stdout] a51867f60312d0896f1892dd7e511b69ced9d660d55089fbbf9b0e7697918aa7