[INFO] fetching crate fiber-for-wasmedge 14.0.4... [INFO] checking fiber-for-wasmedge-14.0.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate fiber-for-wasmedge 14.0.4 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate fiber-for-wasmedge 14.0.4 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fiber-for-wasmedge 14.0.4 [INFO] finished tweaking crates.io crate fiber-for-wasmedge 14.0.4 [INFO] tweaked toml for crates.io crate fiber-for-wasmedge 14.0.4 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 42 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding wasmtime-asm-macros v14.0.4 (latest: v24.0.0) [INFO] [stderr] Adding wasmtime-versioned-export-macros v14.0.4 (latest: v24.0.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.59.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e29004b3ff338648b5e39b7bf294ed9106492bdb43f8b7fed1920df0316b8b44 [INFO] running `Command { std: "docker" "start" "-a" "e29004b3ff338648b5e39b7bf294ed9106492bdb43f8b7fed1920df0316b8b44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e29004b3ff338648b5e39b7bf294ed9106492bdb43f8b7fed1920df0316b8b44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e29004b3ff338648b5e39b7bf294ed9106492bdb43f8b7fed1920df0316b8b44", kill_on_drop: false }` [INFO] [stdout] e29004b3ff338648b5e39b7bf294ed9106492bdb43f8b7fed1920df0316b8b44 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b7fd753498e59c0006da4caafc438864739c61d2e94b6f06d43112f8c772ed7 [INFO] running `Command { std: "docker" "start" "-a" "8b7fd753498e59c0006da4caafc438864739c61d2e94b6f06d43112f8c772ed7", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking wasmtime-asm-macros v14.0.4 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Compiling wasmtime-versioned-export-macros v14.0.4 [INFO] [stderr] Compiling fiber-for-wasmedge v14.0.4 (/opt/rustwide/workdir) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:98:12 [INFO] [stdout] | [INFO] [stdout] 93 | stack: FiberStack, [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 94 | func: impl FnOnce(Resume, &Suspend) -> Return + 'a, [INFO] [stdout] | ------------------------------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 98 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 99 | | stack, [INFO] [stdout] 100 | | inner, [INFO] [stdout] 101 | | done: Cell::new(false), [INFO] [stdout] 102 | | _phantom: PhantomData, [INFO] [stdout] 103 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:125:15 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn resume(&self, val: Resume) -> Result { [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 122 | assert!(!self.done.replace(true), "cannot resume a finished fiber"); [INFO] [stdout] 123 | let result = Cell::new(RunResult::Resuming(val)); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 124 | self.inner.resume(&self.stack.0, &result); [INFO] [stdout] 125 | match result.into_inner() { [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:159:46 [INFO] [stdout] | [INFO] [stdout] 157 | pub fn suspend(&self, value: Yield) -> Resume { [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 158 | self.inner [INFO] [stdout] 159 | .switch::(RunResult::Yield(value)) [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fiber-for-wasmedge` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8b7fd753498e59c0006da4caafc438864739c61d2e94b6f06d43112f8c772ed7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b7fd753498e59c0006da4caafc438864739c61d2e94b6f06d43112f8c772ed7", kill_on_drop: false }` [INFO] [stdout] 8b7fd753498e59c0006da4caafc438864739c61d2e94b6f06d43112f8c772ed7