[INFO] fetching crate real-time 0.5.0... [INFO] checking real-time-0.5.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate real-time 0.5.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate real-time 0.5.0 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] started tweaking crates.io crate real-time 0.5.0 [INFO] finished tweaking crates.io crate real-time 0.5.0 [INFO] tweaked toml for crates.io crate real-time 0.5.0 written to /workspace/builds/worker-6-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 101 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding matchers v0.1.0 (latest: v0.2.0) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (latest: v0.50.1) [INFO] [stderr] Adding regex-automata v0.1.10 (latest: v0.4.7) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.4) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] df6857a7c993661130f6411f8f26f35a87f40f99e7d1b29f18d4164dbd5a5502 [INFO] running `Command { std: "docker" "start" "-a" "df6857a7c993661130f6411f8f26f35a87f40f99e7d1b29f18d4164dbd5a5502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df6857a7c993661130f6411f8f26f35a87f40f99e7d1b29f18d4164dbd5a5502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df6857a7c993661130f6411f8f26f35a87f40f99e7d1b29f18d4164dbd5a5502", kill_on_drop: false }` [INFO] [stdout] df6857a7c993661130f6411f8f26f35a87f40f99e7d1b29f18d4164dbd5a5502 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a0b7d8c5e34e9bd9dd51d75dc9ee29c572ab904646aa2ef9eb0036dbe828f80e [INFO] running `Command { std: "docker" "start" "-a" "a0b7d8c5e34e9bd9dd51d75dc9ee29c572ab904646aa2ef9eb0036dbe828f80e", kill_on_drop: false }` [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking clap_lex v0.7.2 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Compiling beady v0.6.1 [INFO] [stderr] Checking real-time v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking clap_builder v4.5.15 [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/reader.rs:139:19 [INFO] [stdout] | [INFO] [stdout] 139 | #[cfg(not(loom))] [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stdout] --> src/reader.rs:148:19 [INFO] [stdout] | [INFO] [stdout] 148 | #[cfg(loom)] [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stdout] --> src/reader.rs:151:23 [INFO] [stdout] | [INFO] [stdout] 151 | #[cfg(not(loom))] [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stdout] --> src/writer.rs:152:39 [INFO] [stdout] | [INFO] [stdout] 152 | ... #[cfg(not(loom))] [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stdout] --> src/writer.rs:155:35 [INFO] [stdout] | [INFO] [stdout] 155 | ... #[cfg(loom)] [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stdout] --> src/sync.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(not(loom))] [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stdout] --> src/sync.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | #[cfg(loom)] [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stdout] --> src/thread.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(not(loom))] [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `loom` [INFO] [stdout] --> src/thread.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | #[cfg(loom)] [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking plotters-svg v0.3.6 [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/reader.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn realtime_reader(value: T) -> (LockingWriter, RealtimeReader) [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | let shared = Arc::new(Shared { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 45 | / LockingWriter { [INFO] [stdout] 46 | | shared: Arc::clone(&shared), [INFO] [stdout] 47 | | _marker: PhantomData, [INFO] [stdout] 48 | | }, [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/reader.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn realtime_reader(value: T) -> (LockingWriter, RealtimeReader) [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | let shared = Arc::new(Shared { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 49 | / RealtimeReader { [INFO] [stdout] 50 | | shared, [INFO] [stdout] 51 | | _marker: PhantomData, [INFO] [stdout] 52 | | }, [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/writer.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn realtime_writer(value: T) -> (LockingReader, RealtimeWriter) [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 29 | let shared = Arc::new(Shared { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 35 | / LockingReader { [INFO] [stdout] 36 | | shared: Arc::clone(&shared), [INFO] [stdout] 37 | | _marker: PhantomData, [INFO] [stdout] 38 | | }, [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/writer.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn realtime_writer(value: T) -> (LockingReader, RealtimeWriter) [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 29 | let shared = Arc::new(Shared { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 39 | / RealtimeWriter { [INFO] [stdout] 40 | | shared, [INFO] [stdout] 41 | | _marker: PhantomData, [INFO] [stdout] 42 | | }, [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/fifo.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 29 | let buffer = Arc::new(Buffer::new(capacity)); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 32 | / Producer { [INFO] [stdout] 33 | | buffer: Arc::clone(&buffer), [INFO] [stdout] 34 | | }, [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/fifo.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 29 | let buffer = Arc::new(Buffer::new(capacity)); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 35 | Consumer { buffer }, [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 6 previous errors; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `real-time` (lib) due to 7 previous errors; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a0b7d8c5e34e9bd9dd51d75dc9ee29c572ab904646aa2ef9eb0036dbe828f80e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0b7d8c5e34e9bd9dd51d75dc9ee29c572ab904646aa2ef9eb0036dbe828f80e", kill_on_drop: false }` [INFO] [stdout] a0b7d8c5e34e9bd9dd51d75dc9ee29c572ab904646aa2ef9eb0036dbe828f80e