[INFO] fetching crate faux 0.1.10... [INFO] checking faux-0.1.10 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate faux 0.1.10 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate faux 0.1.10 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 faux 0.1.10 [INFO] finished tweaking crates.io crate faux 0.1.10 [INFO] tweaked toml for crates.io crate faux 0.1.10 written to /workspace/builds/worker-0-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 32 packages to latest compatible versions [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6037677b12044c4ea2e9f321a6d87e3c7f4d450eb2d2885aa1ff8772a2507ac5 [INFO] running `Command { std: "docker" "start" "-a" "6037677b12044c4ea2e9f321a6d87e3c7f4d450eb2d2885aa1ff8772a2507ac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6037677b12044c4ea2e9f321a6d87e3c7f4d450eb2d2885aa1ff8772a2507ac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6037677b12044c4ea2e9f321a6d87e3c7f4d450eb2d2885aa1ff8772a2507ac5", kill_on_drop: false }` [INFO] [stdout] 6037677b12044c4ea2e9f321a6d87e3c7f4d450eb2d2885aa1ff8772a2507ac5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c622f8426893da302be163f22cdcb45f684a196a867c6ad5c3de16b8042d490a [INFO] running `Command { std: "docker" "start" "-a" "c622f8426893da302be163f22cdcb45f684a196a867c6ad5c3de16b8042d490a", kill_on_drop: false }` [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling darling_core v0.20.10 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling uuid v1.10.0 [INFO] [stderr] Compiling darling_macro v0.20.10 [INFO] [stderr] Compiling darling v0.20.10 [INFO] [stderr] Compiling faux_macros v0.1.10 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking faux v0.1.10 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures v0.3.30 [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:1004:9 [INFO] [stdout] | [INFO] [stdout] 1001 | input: I, [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1004 | mock.call(input).map_err(|stub_error| InvocationError { [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/when.rs:243:29 [INFO] [stdout] | [INFO] [stdout] 239 | pub unsafe fn then_unchecked_return(self, value: O) [INFO] [stdout] | ---- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 243 | self.then_unchecked(move |_: I| value.clone()) [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/when/once.rs:105:23 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn then(self, stub: impl FnOnce(I) -> O + 'static + Send) [INFO] [stdout] | ---- ------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 105 | self.add_stub(Box::new(stub)) [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/when/once.rs:145:29 [INFO] [stdout] | [INFO] [stdout] 141 | pub unsafe fn then_unchecked_return(self, value: O) [INFO] [stdout] | ---- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 145 | self.then_unchecked(move |_: I| 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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/mock.rs:60:25 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn add_stub(&mut self, stub: Stub<'stub, I, O>) { [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 60 | self.stubs.push(Mutex::new(stub)) [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/mock/stub.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 56 | stub: Answer<'a, I, O>, [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 57 | matcher: impl InvocationMatcher + Send + 'static, [INFO] [stdout] | --------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 60 | matcher: Box::new(matcher), [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/mock/stub.rs:86:15 [INFO] [stdout] | [INFO] [stdout] 76 | fn call(&mut self, input: I) -> Result { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 86 | match std::mem::replace(self, Answer::Exhausted) { [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 7 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `faux` (lib) due to 8 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/lib.rs:1004:9 [INFO] [stdout] | [INFO] [stdout] 1001 | input: I, [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1004 | mock.call(input).map_err(|stub_error| InvocationError { [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/when.rs:243:29 [INFO] [stdout] | [INFO] [stdout] 239 | pub unsafe fn then_unchecked_return(self, value: O) [INFO] [stdout] | ---- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 243 | self.then_unchecked(move |_: I| value.clone()) [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/when/once.rs:105:23 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn then(self, stub: impl FnOnce(I) -> O + 'static + Send) [INFO] [stdout] | ---- ------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 105 | self.add_stub(Box::new(stub)) [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/when/once.rs:145:29 [INFO] [stdout] | [INFO] [stdout] 141 | pub unsafe fn then_unchecked_return(self, value: O) [INFO] [stdout] | ---- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 145 | self.then_unchecked(move |_: I| 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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/mock.rs:60:25 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn add_stub(&mut self, stub: Stub<'stub, I, O>) { [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 60 | self.stubs.push(Mutex::new(stub)) [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/mock/stub.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 56 | stub: Answer<'a, I, O>, [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 57 | matcher: impl InvocationMatcher + Send + 'static, [INFO] [stdout] | --------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 60 | matcher: Box::new(matcher), [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/mock/stub.rs:86:15 [INFO] [stdout] | [INFO] [stdout] 76 | fn call(&mut self, input: I) -> Result { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 86 | match std::mem::replace(self, Answer::Exhausted) { [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 7 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `faux` (lib test) due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "c622f8426893da302be163f22cdcb45f684a196a867c6ad5c3de16b8042d490a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c622f8426893da302be163f22cdcb45f684a196a867c6ad5c3de16b8042d490a", kill_on_drop: false }` [INFO] [stdout] c622f8426893da302be163f22cdcb45f684a196a867c6ad5c3de16b8042d490a