[INFO] fetching crate serde_xmlrpc 0.3.0-alpha.2... [INFO] checking serde_xmlrpc-0.3.0-alpha.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate serde_xmlrpc 0.3.0-alpha.2 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate serde_xmlrpc 0.3.0-alpha.2 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 serde_xmlrpc 0.3.0-alpha.2 [INFO] finished tweaking crates.io crate serde_xmlrpc 0.3.0-alpha.2 [INFO] tweaked toml for crates.io crate serde_xmlrpc 0.3.0-alpha.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate serde_xmlrpc 0.3.0-alpha.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 165b69c62dfe47f4fe0cb0b9fe45ee1aab7ab6ccf7c296b74245f74245ca378e [INFO] running `Command { std: "docker" "start" "-a" "165b69c62dfe47f4fe0cb0b9fe45ee1aab7ab6ccf7c296b74245f74245ca378e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "165b69c62dfe47f4fe0cb0b9fe45ee1aab7ab6ccf7c296b74245f74245ca378e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "165b69c62dfe47f4fe0cb0b9fe45ee1aab7ab6ccf7c296b74245f74245ca378e", kill_on_drop: false }` [INFO] [stdout] 165b69c62dfe47f4fe0cb0b9fe45ee1aab7ab6ccf7c296b74245f74245ca378e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 12526f4b19cc47853d20c710f93b926eb277bfe3ed0c6c205b3a2f287e69bf7f [INFO] running `Command { std: "docker" "start" "-a" "12526f4b19cc47853d20c710f93b926eb277bfe3ed0c6c205b3a2f287e69bf7f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Compiling openssl v0.10.64 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking encoding_rs v0.8.33 [INFO] [stderr] Checking http v0.2.12 [INFO] [stderr] Checking quick-xml v0.31.0 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking ipnet v2.9.0 [INFO] [stderr] Checking base64 v0.22.0 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking rustls-pemfile v1.0.4 [INFO] [stderr] Checking sync_wrapper v0.1.2 [INFO] [stderr] Checking indexmap v2.2.5 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Compiling openssl-sys v0.9.101 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking iso8601 v0.6.1 [INFO] [stderr] Checking tokio v1.36.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.57 [INFO] [stderr] Checking thiserror v1.0.57 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking h2 v0.3.24 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde-transcode v1.1.1 [INFO] [stderr] Checking serde_xmlrpc v0.3.0-alpha.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::result::Result, quick_xml::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/de.rs:219:15 [INFO] [stdout] | [INFO] [stdout] 215 | fn next_element_seed(&mut self, seed: T) -> Result> [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 219 | match self.reader.read_event() { [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, quick_xml::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/de.rs:252:15 [INFO] [stdout] | [INFO] [stdout] 248 | fn next_key_seed(&mut self, seed: T) -> Result> [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 252 | match self.reader.read_event() { [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 `serde_xmlrpc` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "12526f4b19cc47853d20c710f93b926eb277bfe3ed0c6c205b3a2f287e69bf7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12526f4b19cc47853d20c710f93b926eb277bfe3ed0c6c205b3a2f287e69bf7f", kill_on_drop: false }` [INFO] [stdout] 12526f4b19cc47853d20c710f93b926eb277bfe3ed0c6c205b3a2f287e69bf7f