[INFO] fetching crate xlang-vm 0.0.5-alpha... [INFO] checking xlang-vm-0.0.5-alpha against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate xlang-vm 0.0.5-alpha into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate xlang-vm 0.0.5-alpha 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 xlang-vm 0.0.5-alpha [INFO] finished tweaking crates.io crate xlang-vm 0.0.5-alpha [INFO] tweaked toml for crates.io crate xlang-vm 0.0.5-alpha written to /workspace/builds/worker-1-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding gc v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding gc_derive v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 39ce33f1aa7321c6819b80eec86eaee419b07ac35c18f8dc726fed54578fc85c [INFO] running `Command { std: "docker" "start" "-a" "39ce33f1aa7321c6819b80eec86eaee419b07ac35c18f8dc726fed54578fc85c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39ce33f1aa7321c6819b80eec86eaee419b07ac35c18f8dc726fed54578fc85c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39ce33f1aa7321c6819b80eec86eaee419b07ac35c18f8dc726fed54578fc85c", kill_on_drop: false }` [INFO] [stdout] 39ce33f1aa7321c6819b80eec86eaee419b07ac35c18f8dc726fed54578fc85c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4767b926251cda393ac30cc3f464b11d1f978d11bd8680d3e49f32bd9ad37503 [INFO] running `Command { std: "docker" "start" "-a" "4767b926251cda393ac30cc3f464b11d1f978d11bd8680d3e49f32bd9ad37503", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling unicode-xid v0.2.5 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling gc_derive v0.4.1 [INFO] [stderr] Checking gc v0.4.1 [INFO] [stderr] Checking xlang-vm v0.0.5-alpha (/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/value/boolean.rs:42:15 [INFO] [stdout] | [INFO] [stdout] 41 | fn try_lower(self) -> XlangResult { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 42 | match self.kind() { [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/value/boolean.rs:53:15 [INFO] [stdout] | [INFO] [stdout] 52 | fn try_lower(self) -> XlangResult { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 53 | match self.kind() { [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/value/coerce.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 19 | fn lower(self) -> T where Self: Sized { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 20 | self.try_lower().expect("should lower without fail") [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/value/coerce.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 46 | fn lower_from(item: T) -> Self where Self: Sized { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 47 | Self::try_lower_from(item).expect("should lower without fail") [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `xlang-vm` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/value/boolean.rs:42:15 [INFO] [stdout] | [INFO] [stdout] 41 | fn try_lower(self) -> XlangResult { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 42 | match self.kind() { [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/value/boolean.rs:53:15 [INFO] [stdout] | [INFO] [stdout] 52 | fn try_lower(self) -> XlangResult { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 53 | match self.kind() { [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/value/coerce.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 19 | fn lower(self) -> T where Self: Sized { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 20 | self.try_lower().expect("should lower without fail") [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/value/coerce.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 46 | fn lower_from(item: T) -> Self where Self: Sized { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 47 | Self::try_lower_from(item).expect("should lower without fail") [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `xlang-vm` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "4767b926251cda393ac30cc3f464b11d1f978d11bd8680d3e49f32bd9ad37503", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4767b926251cda393ac30cc3f464b11d1f978d11bd8680d3e49f32bd9ad37503", kill_on_drop: false }` [INFO] [stdout] 4767b926251cda393ac30cc3f464b11d1f978d11bd8680d3e49f32bd9ad37503