[INFO] fetching crate harness 0.0.7... [INFO] checking harness-0.0.7 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate harness 0.0.7 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate harness 0.0.7 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 harness 0.0.7 [INFO] finished tweaking crates.io crate harness 0.0.7 [INFO] tweaked toml for crates.io crate harness 0.0.7 written to /workspace/builds/worker-3-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 147 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.21.7 (available: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding core-foundation v0.9.4 (available: v0.10.0) [INFO] [stderr] Adding foreign-types v0.3.2 (available: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (available: v0.3.1) [INFO] [stderr] Adding h2 v0.3.26 (available: v0.4.6) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding http v0.2.12 (available: v1.1.0) [INFO] [stderr] Adding http-body v0.4.6 (available: v1.0.1) [INFO] [stderr] Adding hyper v0.14.30 (available: v1.4.1) [INFO] [stderr] Adding hyper-tls v0.5.0 (available: v0.6.0) [INFO] [stderr] Adding idna v0.5.0 (available: v1.0.2) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding reqwest v0.11.27 (available: v0.12.7) [INFO] [stderr] Adding rustls-pemfile v1.0.4 (available: v2.1.3) [INFO] [stderr] Adding security-framework v2.11.1 (available: v3.0.0) [INFO] [stderr] Adding sync_wrapper v0.1.2 (available: v1.0.1) [INFO] [stderr] Adding system-configuration v0.5.1 (available: v0.6.1) [INFO] [stderr] Adding system-configuration-sys v0.5.0 (available: v0.6.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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 winreg v0.50.0 (available: v0.52.0) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a2792222d4d5f3ba2935b153908702b842d97871d14393fb0c157281e18cc0e3 [INFO] running `Command { std: "docker" "start" "-a" "a2792222d4d5f3ba2935b153908702b842d97871d14393fb0c157281e18cc0e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2792222d4d5f3ba2935b153908702b842d97871d14393fb0c157281e18cc0e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2792222d4d5f3ba2935b153908702b842d97871d14393fb0c157281e18cc0e3", kill_on_drop: false }` [INFO] [stdout] a2792222d4d5f3ba2935b153908702b842d97871d14393fb0c157281e18cc0e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 90938017641b601191153c9550dfcd9fcd05bf5cf841b09741c16fceca3022a5 [INFO] running `Command { std: "docker" "start" "-a" "90938017641b601191153c9550dfcd9fcd05bf5cf841b09741c16fceca3022a5", kill_on_drop: false }` [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling openssl v0.10.66 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.12 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking unicode-normalization v0.1.24 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking anstyle-query v1.1.1 [INFO] [stderr] Checking adler2 v2.0.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking colorchoice v1.0.2 [INFO] [stderr] Checking anstyle-parse v0.2.5 [INFO] [stderr] Checking gimli v0.31.0 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Compiling anyhow v1.0.89 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking clap_lex v0.7.2 [INFO] [stderr] Checking anstream v0.6.15 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking encoding_rs v0.8.34 [INFO] [stderr] Checking sync_wrapper v0.1.2 [INFO] [stderr] Checking libloading v0.8.5 [INFO] [stderr] Checking clap_builder v4.5.18 [INFO] [stderr] Compiling openssl-sys v0.9.103 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Checking addr2line v0.24.1 [INFO] [stderr] Compiling darling_core v0.20.10 [INFO] [stderr] Checking tokio-util v0.7.12 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling clap_derive v4.5.18 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking clap v4.5.18 [INFO] [stderr] Compiling darling_macro v0.20.10 [INFO] [stderr] Compiling darling v0.20.10 [INFO] [stderr] Compiling harness-macros v0.0.2 [INFO] [stderr] Checking hyper v0.14.30 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking reqwest v0.11.27 [INFO] [stderr] Checking harness v0.0.7 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Ref<'_, ProbeManager>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/bencher.rs:306:9 [INFO] [stdout] | [INFO] [stdout] 305 | pub fn get_raw_counter_value(&self, name: impl AsRef) -> Option { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 306 | self.probes.borrow().get_value(name.as_ref()) [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 `Ref<'_, ProbeManager>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/bencher.rs:306:9 [INFO] [stdout] | [INFO] [stdout] 305 | pub fn get_raw_counter_value(&self, name: impl AsRef) -> Option { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 306 | self.probes.borrow().get_value(name.as_ref()) [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<(), anyhow::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:13:21 [INFO] [stdout] | [INFO] [stdout] 12 | let mut bencher = bencher::SingleBenchmarkRunner::new(file_name, bench_fn, single_shot); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | if let Err(e) = bencher.run() { [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: struct `BaseProbe` is never constructed [INFO] [stdout] --> src/probe.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | struct BaseProbe { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BaseProbe` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), anyhow::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:13:21 [INFO] [stdout] | [INFO] [stdout] 12 | let mut bencher = bencher::SingleBenchmarkRunner::new(file_name, bench_fn, single_shot); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | if let Err(e) = bencher.run() { [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 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BaseProbe` is never constructed [INFO] [stdout] --> src/probe.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | struct BaseProbe { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BaseProbe` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `harness` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `harness` (lib test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "90938017641b601191153c9550dfcd9fcd05bf5cf841b09741c16fceca3022a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90938017641b601191153c9550dfcd9fcd05bf5cf841b09741c16fceca3022a5", kill_on_drop: false }` [INFO] [stdout] 90938017641b601191153c9550dfcd9fcd05bf5cf841b09741c16fceca3022a5