[INFO] fetching crate port-alloc 0.1.0... [INFO] checking port-alloc-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate port-alloc 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate port-alloc 0.1.0 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 port-alloc 0.1.0 [INFO] finished tweaking crates.io crate port-alloc 0.1.0 [INFO] tweaked toml for crates.io crate port-alloc 0.1.0 written to /workspace/builds/worker-4-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 31 packages to latest compatible versions [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 signal-hook v0.2.3 (available: v0.3.17) [INFO] [stderr] Adding signal-hook-tokio v0.1.0 (available: v0.3.1) [INFO] [stderr] Adding tokio v0.3.7 (available: v1.40.0) [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] [stderr] Blocking waiting for file lock on package cache [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] 6ca12fdaef562d84f0056c20da0449e805a4859afa5142f56ec4647fce5eb78e [INFO] running `Command { std: "docker" "start" "-a" "6ca12fdaef562d84f0056c20da0449e805a4859afa5142f56ec4647fce5eb78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ca12fdaef562d84f0056c20da0449e805a4859afa5142f56ec4647fce5eb78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ca12fdaef562d84f0056c20da0449e805a4859afa5142f56ec4647fce5eb78e", kill_on_drop: false }` [INFO] [stdout] 6ca12fdaef562d84f0056c20da0449e805a4859afa5142f56ec4647fce5eb78e [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] 8a2653bf8402176f99b0b2bbb632baeef2ee0d98f8f7e5a0eb70ee411d92619a [INFO] running `Command { std: "docker" "start" "-a" "8a2653bf8402176f99b0b2bbb632baeef2ee0d98f8f7e5a0eb70ee411d92619a", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling tokio v0.3.7 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook v0.2.3 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking signal-hook-tokio v0.1.0 [INFO] [stderr] Checking port-alloc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `RwLockWriteGuard<'_, Inner>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn alloc_timeout>(&self, id: T, timeout: Duration) -> Option { [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 161 | / self.inner [INFO] [stdout] 162 | | .write() [INFO] [stdout] 163 | | .unwrap() [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 `RwLockWriteGuard<'_, Inner>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 167 | pub fn dealloc>(&self, id: T) -> Option { [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 168 | self.inner.write().unwrap().dealloc(id.as_ref()) [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 `RwLockWriteGuard<'_, Inner>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn alloc_timeout>(&self, id: T, timeout: Duration) -> Option { [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 161 | / self.inner [INFO] [stdout] 162 | | .write() [INFO] [stdout] 163 | | .unwrap() [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 `RwLockWriteGuard<'_, Inner>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 167 | pub fn dealloc>(&self, id: T) -> Option { [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 168 | self.inner.write().unwrap().dealloc(id.as_ref()) [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] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `port-alloc` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `port-alloc` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "8a2653bf8402176f99b0b2bbb632baeef2ee0d98f8f7e5a0eb70ee411d92619a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a2653bf8402176f99b0b2bbb632baeef2ee0d98f8f7e5a0eb70ee411d92619a", kill_on_drop: false }` [INFO] [stdout] 8a2653bf8402176f99b0b2bbb632baeef2ee0d98f8f7e5a0eb70ee411d92619a