[INFO] fetching crate zedmq 0.7.0... [INFO] building zedmq-0.7.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate zedmq 0.7.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate zedmq 0.7.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate zedmq 0.7.0 [INFO] finished tweaking crates.io crate zedmq 0.7.0 [INFO] tweaked toml for crates.io crate zedmq 0.7.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate zedmq 0.7.0 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce915d1a70f543081c2738d859937ea11f5e7e42de6ed269ec6e37531116da2f [INFO] running `Command { std: "docker" "start" "-a" "ce915d1a70f543081c2738d859937ea11f5e7e42de6ed269ec6e37531116da2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce915d1a70f543081c2738d859937ea11f5e7e42de6ed269ec6e37531116da2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce915d1a70f543081c2738d859937ea11f5e7e42de6ed269ec6e37531116da2f", kill_on_drop: false }` [INFO] [stdout] ce915d1a70f543081c2738d859937ea11f5e7e42de6ed269ec6e37531116da2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa0f250aa2a12ffda6571a1c2ead189af23ea92aa72f4010b67f00857f1bbd5a [INFO] running `Command { std: "docker" "start" "-a" "fa0f250aa2a12ffda6571a1c2ead189af23ea92aa72f4010b67f00857f1bbd5a", kill_on_drop: false }` [INFO] [stderr] Compiling zedmq v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `codec::FrameBuf` [INFO] [stdout] --> src/socket_type/sub_t.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::{codec::FrameBuf, stream::Stream}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/stream.rs:86:32 [INFO] [stdout] | [INFO] [stdout] 86 | if let Ok(fresh) = self.connect() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] 87 | let _ = self.transport.replace(fresh); [INFO] [stdout] | ----------------------------- [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | `#1` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 92 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/std/src/os/fd/owned.rs:172:1 [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/std/src/os/fd/owned.rs:172:1 [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Bind` is never constructed [INFO] [stdout] --> src/stream.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub(crate) enum Position { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] 11 | Connect(L), [INFO] [stdout] 12 | Bind(R), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct [INFO] [stdout] --> src/socket_type/pub_t.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Pub { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | #![warn(missing_docs)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a method [INFO] [stdout] --> src/socket_type/pub_t.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn send(&mut self, bytes: Vec>) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `zedmq` (lib) due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "fa0f250aa2a12ffda6571a1c2ead189af23ea92aa72f4010b67f00857f1bbd5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa0f250aa2a12ffda6571a1c2ead189af23ea92aa72f4010b67f00857f1bbd5a", kill_on_drop: false }` [INFO] [stdout] fa0f250aa2a12ffda6571a1c2ead189af23ea92aa72f4010b67f00857f1bbd5a