[INFO] fetching crate eventum 0.1.1... [INFO] checking eventum-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate eventum 0.1.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate eventum 0.1.1 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 eventum 0.1.1 [INFO] finished tweaking crates.io crate eventum 0.1.1 [INFO] tweaked toml for crates.io crate eventum 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 54 packages to latest compatible versions [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding dirs v2.0.2 (available: v5.0.1) [INFO] [stderr] Adding dirs-sys v0.3.7 (available: v0.4.1) [INFO] [stderr] Adding mio v0.7.14 (available: v1.0.2) [INFO] [stderr] Adding miow v0.3.7 (available: v0.6.0) [INFO] [stderr] Adding ntapi v0.3.7 (available: v0.4.1) [INFO] [stderr] Adding quick-error v1.2.3 (available: v2.0.1) [INFO] [stderr] Adding simplelog v0.7.6 (available: v0.12.2) [INFO] [stderr] Adding term v0.6.1 (available: v1.0.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ac47580c25f26a5496617d045d3ecbe34ba3b950cf18549709cc252443e5ea25 [INFO] running `Command { std: "docker" "start" "-a" "ac47580c25f26a5496617d045d3ecbe34ba3b950cf18549709cc252443e5ea25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac47580c25f26a5496617d045d3ecbe34ba3b950cf18549709cc252443e5ea25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac47580c25f26a5496617d045d3ecbe34ba3b950cf18549709cc252443e5ea25", kill_on_drop: false }` [INFO] [stdout] ac47580c25f26a5496617d045d3ecbe34ba3b950cf18549709cc252443e5ea25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ffae56ff70e8968fc29c2f03614832ac95bf990caa62a94eb640393a98e51119 [INFO] running `Command { std: "docker" "start" "-a" "ffae56ff70e8968fc29c2f03614832ac95bf990caa62a94eb640393a98e51119", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking simplelog v0.7.6 [INFO] [stderr] Checking eventum v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/uds_client.rs:290:9 [INFO] [stdout] | [INFO] [stdout] 290 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/core.rs:208:25 [INFO] [stdout] | [INFO] [stdout] 199 | let mut fdesc = self.fdesc.borrow_mut(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 208 | if let Err(_) = fdesc [INFO] [stdout] | _________________________^ [INFO] [stdout] 209 | | .poll [INFO] [stdout] 210 | | .registry() [INFO] [stdout] 211 | | .register(fd, token, Interest::READABLE) [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<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/core.rs:240:13 [INFO] [stdout] | [INFO] [stdout] 228 | let mut fdesc = self.fdesc.borrow_mut(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 240 | / fdesc [INFO] [stdout] 241 | | .poll [INFO] [stdout] 242 | | .registry() [INFO] [stdout] 243 | | .register(fd, token, Interest::READABLE | Interest::WRITABLE) [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<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/core.rs:270:25 [INFO] [stdout] | [INFO] [stdout] 259 | let mut fdesc = self.fdesc.borrow_mut(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 270 | if let Err(_) = fdesc [INFO] [stdout] | _________________________^ [INFO] [stdout] 271 | | .poll [INFO] [stdout] 272 | | .registry() [INFO] [stdout] 273 | | .register(fd, token, Interest::READABLE) [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<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/core.rs:300:25 [INFO] [stdout] | [INFO] [stdout] 289 | let mut fdesc = self.fdesc.borrow_mut(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 300 | if let Err(_) = fdesc [INFO] [stdout] | _________________________^ [INFO] [stdout] 301 | | .poll [INFO] [stdout] 302 | | .registry() [INFO] [stdout] 303 | | .register(fd, token, Interest::WRITABLE) [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<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/core.rs:208:25 [INFO] [stdout] | [INFO] [stdout] 199 | let mut fdesc = self.fdesc.borrow_mut(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 208 | if let Err(_) = fdesc [INFO] [stdout] | _________________________^ [INFO] [stdout] 209 | | .poll [INFO] [stdout] 210 | | .registry() [INFO] [stdout] 211 | | .register(fd, token, Interest::READABLE) [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<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/core.rs:240:13 [INFO] [stdout] | [INFO] [stdout] 228 | let mut fdesc = self.fdesc.borrow_mut(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 240 | / fdesc [INFO] [stdout] 241 | | .poll [INFO] [stdout] 242 | | .registry() [INFO] [stdout] 243 | | .register(fd, token, Interest::READABLE | Interest::WRITABLE) [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<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/core.rs:270:25 [INFO] [stdout] | [INFO] [stdout] 259 | let mut fdesc = self.fdesc.borrow_mut(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 270 | if let Err(_) = fdesc [INFO] [stdout] | _________________________^ [INFO] [stdout] 271 | | .poll [INFO] [stdout] 272 | | .registry() [INFO] [stdout] 273 | | .register(fd, token, Interest::READABLE) [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<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/core.rs:300:25 [INFO] [stdout] | [INFO] [stdout] 289 | let mut fdesc = self.fdesc.borrow_mut(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 300 | if let Err(_) = fdesc [INFO] [stdout] | _________________________^ [INFO] [stdout] 301 | | .poll [INFO] [stdout] 302 | | .registry() [INFO] [stdout] 303 | | .register(fd, token, Interest::WRITABLE) [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] warning: variant `Desc` is never constructed [INFO] [stdout] --> src/core.rs:852:9 [INFO] [stdout] | [INFO] [stdout] 850 | pub enum TestMessage { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 851 | Number(i32), [INFO] [stdout] 852 | Desc(String), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/uds_server.rs:256:9 [INFO] [stdout] | [INFO] [stdout] 256 | event_manager.lock().unwrap().register_listen(&mut *inner.listener.borrow_mut(), inner.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 256 | let _ = event_manager.lock().unwrap().register_listen(&mut *inner.listener.borrow_mut(), inner.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/uds_server.rs:301:25 [INFO] [stdout] | [INFO] [stdout] 301 | event_manager.register_read(&mut stream, entry.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 301 | let _ = event_manager.register_read(&mut stream, entry.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `eventum` (lib test) due to 5 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/uds_server.rs:256:9 [INFO] [stdout] | [INFO] [stdout] 256 | event_manager.lock().unwrap().register_listen(&mut *inner.listener.borrow_mut(), inner.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 256 | let _ = event_manager.lock().unwrap().register_listen(&mut *inner.listener.borrow_mut(), inner.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/uds_server.rs:301:25 [INFO] [stdout] | [INFO] [stdout] 301 | event_manager.register_read(&mut stream, entry.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 301 | let _ = event_manager.register_read(&mut stream, entry.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `eventum` (lib) due to 5 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ffae56ff70e8968fc29c2f03614832ac95bf990caa62a94eb640393a98e51119", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffae56ff70e8968fc29c2f03614832ac95bf990caa62a94eb640393a98e51119", kill_on_drop: false }` [INFO] [stdout] ffae56ff70e8968fc29c2f03614832ac95bf990caa62a94eb640393a98e51119