[INFO] fetching crate keepcalm 0.3.5... [INFO] checking keepcalm-0.3.5 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate keepcalm 0.3.5 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate keepcalm 0.3.5 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 keepcalm 0.3.5 [INFO] finished tweaking crates.io crate keepcalm 0.3.5 [INFO] tweaked toml for crates.io crate keepcalm 0.3.5 written to /workspace/builds/worker-7-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] Locking 163 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (available: v0.2.0) [INFO] [stderr] Adding async-channel v1.9.0 (available: v2.3.1) [INFO] [stderr] Adding async-fs v1.6.0 (available: v2.1.2) [INFO] [stderr] Adding async-io v1.13.0 (available: v2.3.4) [INFO] [stderr] Adding async-lock v2.8.0 (available: v3.4.0) [INFO] [stderr] Adding async-net v1.8.0 (available: v2.0.0) [INFO] [stderr] Adding async-process v1.8.1 (available: v2.3.0) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding clap v3.2.25 (available: v4.5.18) [INFO] [stderr] Adding clap_lex v0.2.4 (available: v0.7.2) [INFO] [stderr] Adding criterion v0.4.0 (available: v0.5.1) [INFO] [stderr] Adding event-listener v2.5.3 (available: v5.3.1) [INFO] [stderr] Adding event-listener v3.1.0 (available: v5.3.1) [INFO] [stderr] Adding fastrand v1.9.0 (available: v2.1.1) [INFO] [stderr] Adding futures-lite v1.13.0 (available: v2.3.0) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [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 itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding linux-raw-sys v0.3.8 (available: v0.6.5) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding os_str_bytes v6.6.1 (available: v7.0.0) [INFO] [stderr] Adding polling v2.8.0 (available: v3.7.3) [INFO] [stderr] Adding rustix v0.37.27 (available: v0.38.37) [INFO] [stderr] Adding smol v1.3.0 (available: v2.0.2) [INFO] [stderr] Adding socket2 v0.4.10 (available: v0.5.7) [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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c531687c681a768539998f31176aa81d2ef60dc360b1a20a8675354ab5e6382d [INFO] running `Command { std: "docker" "start" "-a" "c531687c681a768539998f31176aa81d2ef60dc360b1a20a8675354ab5e6382d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c531687c681a768539998f31176aa81d2ef60dc360b1a20a8675354ab5e6382d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c531687c681a768539998f31176aa81d2ef60dc360b1a20a8675354ab5e6382d", kill_on_drop: false }` [INFO] [stdout] c531687c681a768539998f31176aa81d2ef60dc360b1a20a8675354ab5e6382d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4110adf8f18a88772d14ceaee9bc773d078143723cf41d9e2d34e3f9d81516f0 [INFO] running `Command { std: "docker" "start" "-a" "4110adf8f18a88772d14ceaee9bc773d078143723cf41d9e2d34e3f9d81516f0", kill_on_drop: false }` [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking value-bag v1.9.0 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Checking waker-fn v1.2.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking event-listener v5.3.1 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking piper v0.2.4 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling async-fs v1.6.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking event-listener v3.1.0 [INFO] [stderr] Checking event-listener-strategy v0.5.2 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking async-executor v1.13.1 [INFO] [stderr] Checking keepcalm v0.3.5 (/opt/rustwide/workdir) [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stdout] error: this value of type `Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/rcu.rs:49:15 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn try_unwrap(self) -> Result [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 49 | match Arc::try_unwrap(lock) { [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 `Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/shared.rs:157:15 [INFO] [stdout] | [INFO] [stdout] 156 | pub fn try_unwrap(self) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 157 | match self.inner.try_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] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/sharedmut.rs:310:15 [INFO] [stdout] | [INFO] [stdout] 309 | pub fn try_unwrap(self) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 310 | match self.inner_impl.try_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] [INFO] [stdout] [INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&T` instead of dereferencing the inner type [INFO] [stdout] --> src/synchronizer.rs:48:34 [INFO] [stdout] | [INFO] [stdout] 48 | with_ops!(self: _, x => x.deref()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `keepcalm` (lib) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4110adf8f18a88772d14ceaee9bc773d078143723cf41d9e2d34e3f9d81516f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4110adf8f18a88772d14ceaee9bc773d078143723cf41d9e2d34e3f9d81516f0", kill_on_drop: false }` [INFO] [stdout] 4110adf8f18a88772d14ceaee9bc773d078143723cf41d9e2d34e3f9d81516f0