[INFO] fetching crate unc-vm-engine 0.12.2... [INFO] checking unc-vm-engine-0.12.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate unc-vm-engine 0.12.2 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate unc-vm-engine 0.12.2 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate unc-vm-engine 0.12.2 [INFO] finished tweaking crates.io crate unc-vm-engine 0.12.2 [INFO] tweaked toml for crates.io crate unc-vm-engine 0.12.2 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 111 packages to latest compatible versions [INFO] [stderr] Adding ahash v0.7.8 (available: v0.8.11) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding bytecheck v0.6.12 (available: v0.8.0) [INFO] [stderr] Adding bytecheck_derive v0.6.12 (available: v0.8.0) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding idna v0.5.0 (available: v1.0.2) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding io-lifetimes v1.0.11 (available: v2.0.3) [INFO] [stderr] Adding linux-raw-sys v0.3.8 (available: v0.6.5) [INFO] [stderr] Adding memmap2 v0.5.10 (available: v0.9.5) [INFO] [stderr] Adding memoffset v0.8.0 (available: v0.9.1) [INFO] [stderr] Adding more-asserts v0.2.2 (available: v0.3.1) [INFO] [stderr] Adding ptr_meta v0.1.4 (available: v0.3.0) [INFO] [stderr] Adding ptr_meta_derive v0.1.4 (available: v0.3.0) [INFO] [stderr] Adding radium v0.7.0 (available: v1.1.0) [INFO] [stderr] Adding rend v0.4.2 (available: v0.5.1) [INFO] [stderr] Adding rkyv v0.7.45 (available: v0.8.8) [INFO] [stderr] Adding rkyv_derive v0.7.45 (available: v0.8.8) [INFO] [stderr] Adding rustix v0.37.27 (available: v0.38.37) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding wasmparser v0.99.0 (available: v0.217.0) [INFO] [stderr] Adding wasmparser v0.105.0 (available: v0.217.0) [INFO] [stderr] Adding wasmprinter v0.2.57 (available: v0.2.80) [INFO] [stderr] Adding windows-sys v0.48.0 (available: v0.59.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] [stderr] Adding windows-targets v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding wyz v0.5.1 (available: v0.6.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1cf79ea92586cbab9ae6bd2b39cb80e1b27c9290b682741cd1e9f928a4979329 [INFO] running `Command { std: "docker" "start" "-a" "1cf79ea92586cbab9ae6bd2b39cb80e1b27c9290b682741cd1e9f928a4979329", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1cf79ea92586cbab9ae6bd2b39cb80e1b27c9290b682741cd1e9f928a4979329", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cf79ea92586cbab9ae6bd2b39cb80e1b27c9290b682741cd1e9f928a4979329", kill_on_drop: false }` [INFO] [stdout] 1cf79ea92586cbab9ae6bd2b39cb80e1b27c9290b682741cd1e9f928a4979329 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c51574a9d40ec3c0576b10134e12de69ab57ee98638921667ddbc2c097ce4ca [INFO] running `Command { std: "docker" "start" "-a" "1c51574a9d40ec3c0576b10134e12de69ab57ee98638921667ddbc2c097ce4ca", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling anyhow v1.0.89 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Compiling thiserror v1.0.64 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Checking tinyvec v1.8.0 [INFO] [stderr] Compiling rkyv v0.7.45 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Compiling cc v1.1.22 [INFO] [stderr] Checking gimli v0.31.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking adler2 v2.0.0 [INFO] [stderr] Checking seahash v4.1.0 [INFO] [stderr] Compiling finite-wasm v0.5.0 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Compiling target-lexicon v0.12.16 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking dissimilar v1.0.9 [INFO] [stderr] Checking prefix-sum-vec v0.1.2 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Checking more-asserts v0.2.2 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking unicode-normalization v0.1.24 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Compiling unc-vm-vm v0.12.2 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking region v3.0.2 [INFO] [stderr] Checking memmap2 v0.5.10 [INFO] [stderr] Checking addr2line v0.24.1 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking wasmparser v0.105.0 [INFO] [stderr] Checking wasmparser v0.99.0 [INFO] [stderr] Compiling ptr_meta_derive v0.1.4 [INFO] [stderr] Compiling rkyv_derive v0.7.45 [INFO] [stderr] Checking ptr_meta v0.1.4 [INFO] [stderr] Compiling darling_core v0.20.10 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling darling_macro v0.20.10 [INFO] [stderr] Compiling darling v0.20.10 [INFO] [stderr] Compiling enumset_derive v0.10.0 [INFO] [stderr] Checking unc-vm-types v0.12.2 [INFO] [stderr] Checking wasmprinter v0.2.57 [INFO] [stderr] Checking enumset v1.1.5 [INFO] [stderr] Checking unc-vm-compiler v0.12.2 [INFO] [stderr] Checking unc-vm-engine v0.12.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::result::Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/trap/error.rs:157:15 [INFO] [stdout] | [INFO] [stdout] 156 | pub fn downcast(self) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 157 | match Arc::try_unwrap(self.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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `std::result::Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/trap/error.rs:157:15 [INFO] [stdout] | [INFO] [stdout] 156 | pub fn downcast(self) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 157 | match Arc::try_unwrap(self.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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unc-vm-engine` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `unc-vm-engine` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "1c51574a9d40ec3c0576b10134e12de69ab57ee98638921667ddbc2c097ce4ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c51574a9d40ec3c0576b10134e12de69ab57ee98638921667ddbc2c097ce4ca", kill_on_drop: false }` [INFO] [stdout] 1c51574a9d40ec3c0576b10134e12de69ab57ee98638921667ddbc2c097ce4ca