[INFO] fetching crate stakker_mio 0.2.5... [INFO] checking stakker_mio-0.2.5 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate stakker_mio 0.2.5 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate stakker_mio 0.2.5 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 stakker_mio 0.2.5 [INFO] finished tweaking crates.io crate stakker_mio 0.2.5 [INFO] tweaked toml for crates.io crate stakker_mio 0.2.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate stakker_mio 0.2.5 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fc0cff9cbf32dedcef2dd20a251bbb40f778dfb92f5511b7fd25288c23416d37 [INFO] running `Command { std: "docker" "start" "-a" "fc0cff9cbf32dedcef2dd20a251bbb40f778dfb92f5511b7fd25288c23416d37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc0cff9cbf32dedcef2dd20a251bbb40f778dfb92f5511b7fd25288c23416d37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc0cff9cbf32dedcef2dd20a251bbb40f778dfb92f5511b7fd25288c23416d37", kill_on_drop: false }` [INFO] [stdout] fc0cff9cbf32dedcef2dd20a251bbb40f778dfb92f5511b7fd25288c23416d37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a5b8421024c7509ccc11cb7c2a3e62b1b9084925c7f702087354ad4f9b8f88d3 [INFO] running `Command { std: "docker" "start" "-a" "a5b8421024c7509ccc11cb7c2a3e62b1b9084925c7f702087354ad4f9b8f88d3", kill_on_drop: false }` [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking qcell v0.5.3 [INFO] [stderr] Checking stakker v0.2.5 [INFO] [stderr] Checking mio v0.8.6 [INFO] [stderr] Checking stakker_mio v0.2.5 (/opt/rustwide/workdir) [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/miopoll.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 31 | let mut ctrl = self.ctrl.borrow_mut(); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 32 | if let Err(e) = ctrl.del(self.token, &mut self.source) { [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/miopoll.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 31 | let mut ctrl = self.ctrl.borrow_mut(); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 32 | if let Err(e) = ctrl.del(self.token, &mut self.source) { [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/test/udp.rs:45:25 [INFO] [stdout] | [INFO] [stdout] 42 | let mut this = Sender { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 45 | if let Err(e) = this.init_aux(cx, socket) { [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/test/udp.rs:100:25 [INFO] [stdout] | [INFO] [stdout] 94 | let mut this = Self { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 100 | if let Err(e) = this.init_aux(cx, socket) { [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 1 previous error [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/test/udpserver.rs:45:25 [INFO] [stdout] | [INFO] [stdout] 42 | let mut this = Sender { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 45 | if let Err(e) = this.init_aux(cx, socket) { [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] [stderr] error: could not compile `stakker_mio` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/test/udpserver.rs:111:25 [INFO] [stdout] | [INFO] [stdout] 103 | let mut this = Self { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 111 | if let Err(e) = this.init_aux(cx, socket) { [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/test/mod.rs:53:25 [INFO] [stdout] | [INFO] [stdout] 49 | let miopoll = s.anymap_get::(); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 53 | if let Err(e) = miopoll.poll(Duration::from_secs(1)) { [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 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `stakker_mio` (lib test) due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "a5b8421024c7509ccc11cb7c2a3e62b1b9084925c7f702087354ad4f9b8f88d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5b8421024c7509ccc11cb7c2a3e62b1b9084925c7f702087354ad4f9b8f88d3", kill_on_drop: false }` [INFO] [stdout] a5b8421024c7509ccc11cb7c2a3e62b1b9084925c7f702087354ad4f9b8f88d3