[INFO] fetching crate bpf-loader-lib 0.2.1... [INFO] checking bpf-loader-lib-0.2.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate bpf-loader-lib 0.2.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate bpf-loader-lib 0.2.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bpf-loader-lib 0.2.1 [INFO] finished tweaking crates.io crate bpf-loader-lib 0.2.1 [INFO] tweaked toml for crates.io crate bpf-loader-lib 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 194 packages to latest compatible versions [INFO] [stderr] Adding ahash v0.4.8 (available: v0.8.11) [INFO] [stderr] Adding base64 v0.13.1 (available: v0.22.1) [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 blazesym v0.2.0-alpha.2 (available: v0.2.0-rc.1) [INFO] [stderr] Adding btfdump v0.0.2 (available: v0.0.4) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.18) [INFO] [stderr] Adding flexi_logger v0.25.6 (available: v0.29.0) [INFO] [stderr] Adding goblin v0.0.19 (available: v0.8.2) [INFO] [stderr] Adding goblin v0.0.20 (available: v0.8.2) [INFO] [stderr] Adding goblin v0.3.4 (available: v0.8.2) [INFO] [stderr] Adding hashbrown v0.9.1 (available: v0.14.5) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding hashbrown v0.13.2 (available: v0.14.5) [INFO] [stderr] Adding heck v0.3.3 (available: v0.5.0) [INFO] [stderr] Adding heck v0.4.1 (available: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding libbpf-rs v0.20.1 (available: v0.24.4) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding lru v0.10.1 (available: v0.12.4) [INFO] [stderr] Adding memoffset v0.7.1 (available: v0.9.1) [INFO] [stderr] Adding nix v0.26.4 (available: v0.29.0) [INFO] [stderr] Adding nu-ansi-term v0.49.0 (available: v0.50.1) [INFO] [stderr] Adding num_enum v0.5.11 (available: v0.7.3) [INFO] [stderr] Adding num_enum_derive v0.5.11 (available: v0.7.3) [INFO] [stderr] Adding object v0.11.0 (available: v0.36.4) [INFO] [stderr] Adding ouroboros v0.16.0 (available: v0.18.4) [INFO] [stderr] Adding ouroboros_macro v0.16.0 (available: v0.18.4) [INFO] [stderr] Adding parity-wasm v0.35.7 (available: v0.45.0) [INFO] [stderr] Adding proc-macro-crate v1.3.1 (available: v3.2.0) [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.37) [INFO] [stderr] Adding rustc_version v0.2.3 (available: v0.4.1) [INFO] [stderr] Adding scroll v0.9.2 (available: v0.12.0) [INFO] [stderr] Adding scroll v0.10.2 (available: v0.12.0) [INFO] [stderr] Adding scroll_derive v0.9.5 (available: v0.12.0) [INFO] [stderr] Adding scroll_derive v0.10.5 (available: v0.12.0) [INFO] [stderr] Adding semver v0.9.0 (available: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (available: v0.10.2) [INFO] [stderr] Adding serde_with v2.3.3 (available: v3.9.0) [INFO] [stderr] Adding serde_with_macros v2.3.3 (available: v3.9.0) [INFO] [stderr] Adding string-interner v0.12.2 (available: v0.17.0) [INFO] [stderr] Adding strsim v0.8.0 (available: v0.11.1) [INFO] [stderr] Adding structopt v0.2.18 (available: v0.3.26) [INFO] [stderr] Adding structopt-derive v0.2.18 (available: v0.4.18) [INFO] [stderr] Adding strum_macros v0.24.3 (available: v0.26.4) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.79) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding target-lexicon v0.11.2 (available: v0.12.16) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding toml_edit v0.19.15 (available: v0.22.22) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [INFO] [stderr] Adding uuid v0.7.4 (available: v1.10.0) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [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 winnow v0.5.40 (available: v0.6.20) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb9991341dec0255c0be86bd5c53e5491ec1a0a881a8d2d84e160600832138fb [INFO] running `Command { std: "docker" "start" "-a" "eb9991341dec0255c0be86bd5c53e5491ec1a0a881a8d2d84e160600832138fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb9991341dec0255c0be86bd5c53e5491ec1a0a881a8d2d84e160600832138fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb9991341dec0255c0be86bd5c53e5491ec1a0a881a8d2d84e160600832138fb", kill_on_drop: false }` [INFO] [stdout] eb9991341dec0255c0be86bd5c53e5491ec1a0a881a8d2d84e160600832138fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1050e3a89ad62f7f3a833ac7bcb271ae3fd7ad6f8f535f819481c6918e206aa3 [INFO] running `Command { std: "docker" "start" "-a" "1050e3a89ad62f7f3a833ac7bcb271ae3fd7ad6f8f535f819481c6918e206aa3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Compiling scroll v0.9.2 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling scroll_derive v0.9.5 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling vsprintf v2.0.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Checking ahash v0.4.8 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling target-lexicon v0.11.2 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking hashbrown v0.13.2 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking iana-time-zone v0.1.61 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking parity-wasm v0.35.7 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking clap_builder v4.5.18 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking rustix v0.38.37 [INFO] [stderr] Checking os-release v0.1.0 [INFO] [stderr] Checking nu-ansi-term v0.49.0 [INFO] [stderr] Checking lru v0.10.1 [INFO] [stderr] Checking uname-rs v0.1.1 [INFO] [stderr] Checking aliasable v0.1.3 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking deflate v1.0.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking goblin v0.0.19 [INFO] [stderr] Checking goblin v0.0.20 [INFO] [stderr] Compiling blazesym v0.2.0-alpha.2 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking filetime v0.2.25 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking perf-event-open-sys v4.0.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking errno v0.3.9 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking xattr v1.3.1 [INFO] [stderr] Checking tempfile v3.13.0 [INFO] [stderr] Checking tar v0.4.42 [INFO] [stderr] Checking clap v4.5.18 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling scroll_derive v0.10.5 [INFO] [stderr] Compiling num_enum_derive v0.5.11 [INFO] [stderr] Compiling strum_macros v0.24.3 [INFO] [stderr] Compiling libbpf-sys v1.4.5+v1.4.5 [INFO] [stderr] Checking scroll v0.10.2 [INFO] [stderr] Compiling darling_core v0.20.10 [INFO] [stderr] Checking goblin v0.3.4 [INFO] [stderr] Checking object v0.11.0 [INFO] [stderr] Checking num_enum v0.5.11 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking btfdump v0.0.2 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling ouroboros_macro v0.16.0 [INFO] [stderr] Checking thiserror v1.0.64 [INFO] [stderr] Checking bpf-compatible-rs v0.1.3 [INFO] [stderr] Checking flexi_logger v0.25.6 [INFO] [stderr] Checking ouroboros v0.16.0 [INFO] [stderr] Checking libbpf-rs v0.20.1 [INFO] [stderr] Compiling darling_macro v0.20.10 [INFO] [stderr] Compiling darling v0.20.10 [INFO] [stderr] Compiling serde_with_macros v2.3.3 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking string-interner v0.12.2 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking serde_with v2.3.3 [INFO] [stderr] Checking faerie v0.16.0 [INFO] [stderr] Checking bpf-loader-lib v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::option::Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/skeleton/mod.rs:415:29 [INFO] [stdout] | [INFO] [stdout] 405 | event_handler: Option>, [INFO] [stdout] | ------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 406 | ctx: Option>, [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 415 | if let Some(user_ctx) = ctx.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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/skeleton/preload/attach/mod.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | BpfLink(Link), [INFO] [stdout] | ------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 24 | BpfLink(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/skeleton/preload/attach/mod.rs:27:27 [INFO] [stdout] | [INFO] [stdout] 27 | PerfEventAttachWithFd(Link, i32), [INFO] [stdout] | --------------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 27 | PerfEventAttachWithFd((), i32), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bpf-loader-lib` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `std::option::Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/skeleton/mod.rs:415:29 [INFO] [stdout] | [INFO] [stdout] 405 | event_handler: Option>, [INFO] [stdout] | ------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 406 | ctx: Option>, [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 415 | if let Some(user_ctx) = ctx.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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/skeleton/preload/attach/mod.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | BpfLink(Link), [INFO] [stdout] | ------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 24 | BpfLink(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/skeleton/preload/attach/mod.rs:27:27 [INFO] [stdout] | [INFO] [stdout] 27 | PerfEventAttachWithFd(Link, i32), [INFO] [stdout] | --------------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 27 | PerfEventAttachWithFd((), i32), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bpf-loader-lib` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "1050e3a89ad62f7f3a833ac7bcb271ae3fd7ad6f8f535f819481c6918e206aa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1050e3a89ad62f7f3a833ac7bcb271ae3fd7ad6f8f535f819481c6918e206aa3", kill_on_drop: false }` [INFO] [stdout] 1050e3a89ad62f7f3a833ac7bcb271ae3fd7ad6f8f535f819481c6918e206aa3