[INFO] fetching crate ember_mug 0.4.0... [INFO] checking ember_mug-0.4.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate ember_mug 0.4.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate ember_mug 0.4.0 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] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate ember_mug 0.4.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate ember_mug 0.4.0 [INFO] tweaked toml for crates.io crate ember_mug 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate ember_mug 0.4.0 already has a lockfile, it will not be regenerated [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7e2652d67f12879f76cd344613c566bf4c35204cd52ee037639742017abfab03 [INFO] running `Command { std: "docker" "start" "-a" "7e2652d67f12879f76cd344613c566bf4c35204cd52ee037639742017abfab03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e2652d67f12879f76cd344613c566bf4c35204cd52ee037639742017abfab03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e2652d67f12879f76cd344613c566bf4c35204cd52ee037639742017abfab03", kill_on_drop: false }` [INFO] [stdout] 7e2652d67f12879f76cd344613c566bf4c35204cd52ee037639742017abfab03 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 19dcdcead4b145cbda65df8fc99129bbb59944841435bb09534c5277e95b938c [INFO] running `Command { std: "docker" "start" "-a" "19dcdcead4b145cbda65df8fc99129bbb59944841435bb09534c5277e95b938c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling async-trait v0.1.74 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling libdbus-sys v0.2.5 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling binrw_derive v0.13.2 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking xml-rs v0.8.19 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking hashbrown v0.14.2 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling owo-colors v3.5.0 [INFO] [stderr] Compiling eyre v0.6.9 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling binrw v0.13.2 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking uuid v1.6.1 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking object v0.32.1 [INFO] [stderr] Checking bytemuck v1.14.0 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking array-init v2.1.0 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Checking dbus v0.9.7 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking bluez-generated v0.3.0 [INFO] [stderr] Checking dbus-tokio v0.7.6 [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking color-spantrace v0.2.1 [INFO] [stderr] Checking color-eyre v0.6.2 [INFO] [stderr] Checking serde-xml-rs v0.6.0 [INFO] [stderr] Checking bluez-async v0.7.2 [INFO] [stderr] Checking btleplug v0.11.3 [INFO] [stderr] Checking ember_mug v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `nightly` [INFO] [stdout] --> src/lib.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | #![cfg_attr(nightly, feature(doc_cfg))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `nightly` [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | #![cfg_attr(nightly, feature(doc_auto_cfg))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `nightly` [INFO] [stdout] --> src/lib.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | #![cfg_attr(nightly, feature(doc_cfg))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `nightly` [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | #![cfg_attr(nightly, feature(doc_auto_cfg))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [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/btle.rs:80:32 [INFO] [stdout] | [INFO] [stdout] 77 | let adapters = manager.adapters().await?; [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 80 | .map_ok(move |(i, p)| (adapters[i].clone(), p))) [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/btle.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 90 | let adapter = adapter.clone(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 91 | set.spawn(async move { [INFO] [stdout] 92 | / search_adapter_for_ember(&adapter, None) [INFO] [stdout] 93 | | .await [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; 2 warnings emitted [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/btle.rs:80:32 [INFO] [stdout] | [INFO] [stdout] 77 | let adapters = manager.adapters().await?; [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 80 | .map_ok(move |(i, p)| (adapters[i].clone(), p))) [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] [stderr] error: could not compile `ember_mug` (lib) due to 3 previous errors; 2 warnings emitted [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/btle.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 90 | let adapter = adapter.clone(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 91 | set.spawn(async move { [INFO] [stdout] 92 | / search_adapter_for_ember(&adapter, None) [INFO] [stdout] 93 | | .await [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ember_mug` (lib test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "19dcdcead4b145cbda65df8fc99129bbb59944841435bb09534c5277e95b938c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19dcdcead4b145cbda65df8fc99129bbb59944841435bb09534c5277e95b938c", kill_on_drop: false }` [INFO] [stdout] 19dcdcead4b145cbda65df8fc99129bbb59944841435bb09534c5277e95b938c