[INFO] fetching crate xmpp-proxy 1.0.0... [INFO] checking xmpp-proxy-1.0.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate xmpp-proxy 1.0.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate xmpp-proxy 1.0.0 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 xmpp-proxy 1.0.0 [INFO] finished tweaking crates.io crate xmpp-proxy 1.0.0 [INFO] tweaked toml for crates.io crate xmpp-proxy 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate xmpp-proxy 1.0.0 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] [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5063a645faba023c0840ce24acd93c5120214de7f92860ffaa8ddfa1f18ca79 [INFO] running `Command { std: "docker" "start" "-a" "a5063a645faba023c0840ce24acd93c5120214de7f92860ffaa8ddfa1f18ca79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5063a645faba023c0840ce24acd93c5120214de7f92860ffaa8ddfa1f18ca79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5063a645faba023c0840ce24acd93c5120214de7f92860ffaa8ddfa1f18ca79", kill_on_drop: false }` [INFO] [stdout] a5063a645faba023c0840ce24acd93c5120214de7f92860ffaa8ddfa1f18ca79 [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] 625312b1682b79e78d3ef2c1b61f9869b9e29be19e6b29a13668a10dbfc0ecff [INFO] running `Command { std: "docker" "start" "-a" "625312b1682b79e78d3ef2c1b61f9869b9e29be19e6b29a13668a10dbfc0ecff", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking futures-core v0.3.14 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking futures-sink v0.3.14 [INFO] [stderr] Checking futures-io v0.3.14 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.14 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking futures-channel v0.3.14 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking die v0.2.0 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking rustls v0.19.0 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Checking futures-util v0.3.14 [INFO] [stderr] Checking tokio-rustls v0.22.0 [INFO] [stderr] Checking futures-executor v0.3.14 [INFO] [stderr] Checking futures v0.3.14 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking xmpp-proxy v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `tokio::io::WriteHalf>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:209:17 [INFO] [stdout] | [INFO] [stdout] 112 | async fn handle_connection(mut stream: tokio::net::TcpStream, client_addr: SocketAddr, local_addr: SocketAddr, config: CloneableConfig) -... [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 209 | let (in_rd, mut in_wr) = tokio::io::split(stream); [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 `tokio::io::WriteHalf>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:209:17 [INFO] [stdout] | [INFO] [stdout] 112 | async fn handle_connection(mut stream: tokio::net::TcpStream, client_addr: SocketAddr, local_addr: SocketAddr, config: CloneableConfig) -... [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 209 | let (in_rd, mut in_wr) = tokio::io::split(stream); [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 `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/slicesubsequence.rs:54:26 [INFO] [stdout] | [INFO] [stdout] 53 | fn replace_first(self, needle: &[T], replacement: &[T]) -> Vec { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 54 | if let Ok(idx) = self.first_index_of(needle) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/slicesubsequence.rs:54:26 [INFO] [stdout] | [INFO] [stdout] 53 | fn replace_first(self, needle: &[T], replacement: &[T]) -> Vec { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 54 | if let Ok(idx) = self.first_index_of(needle) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 `xmpp-proxy` (bin "xmpp-proxy") 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 `xmpp-proxy` (bin "xmpp-proxy" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "625312b1682b79e78d3ef2c1b61f9869b9e29be19e6b29a13668a10dbfc0ecff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "625312b1682b79e78d3ef2c1b61f9869b9e29be19e6b29a13668a10dbfc0ecff", kill_on_drop: false }` [INFO] [stdout] 625312b1682b79e78d3ef2c1b61f9869b9e29be19e6b29a13668a10dbfc0ecff