[INFO] fetching crate bpf-api 0.3.1... [INFO] checking bpf-api-0.3.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate bpf-api 0.3.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate bpf-api 0.3.1 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 bpf-api 0.3.1 [INFO] finished tweaking crates.io crate bpf-api 0.3.1 [INFO] tweaked toml for crates.io crate bpf-api 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate bpf-api 0.3.1 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3086f141c48242078163b58a79851460d50a5727f2b73ec9526ab271c0046b0c [INFO] running `Command { std: "docker" "start" "-a" "3086f141c48242078163b58a79851460d50a5727f2b73ec9526ab271c0046b0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3086f141c48242078163b58a79851460d50a5727f2b73ec9526ab271c0046b0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3086f141c48242078163b58a79851460d50a5727f2b73ec9526ab271c0046b0c", kill_on_drop: false }` [INFO] [stdout] 3086f141c48242078163b58a79851460d50a5727f2b73ec9526ab271c0046b0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d6d2f115b4cc55463c80ff94857aeebf07067bea4e5cccd1395c52e74690fb92 [INFO] running `Command { std: "docker" "start" "-a" "d6d2f115b4cc55463c80ff94857aeebf07067bea4e5cccd1395c52e74690fb92", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling thiserror v1.0.51 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling iana-time-zone v0.1.58 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling os_str_bytes v6.6.1 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling cpufeatures v0.2.11 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling textwrap v0.16.0 [INFO] [stderr] Compiling termcolor v1.4.0 [INFO] [stderr] Compiling colored v2.1.0 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling nohash-hasher v0.2.0 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling syn v2.0.41 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking anstream v0.6.5 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking elf v0.6.1 [INFO] [stderr] Checking clap_builder v4.4.11 [INFO] [stderr] Compiling chrono v0.4.31 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling thiserror-impl v1.0.51 [INFO] [stderr] Compiling build-time v0.1.3 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Compiling darling_core v0.14.4 [INFO] [stderr] Compiling clap_derive v3.2.25 [INFO] [stderr] Compiling btf v0.5.1 [INFO] [stderr] Compiling bpf-ins v0.7.2 [INFO] [stderr] Checking bpf-api v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `BpfLinkCreateAttr` is never constructed [INFO] [stdout] --> src/platform/linux/probes.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct BpfLinkCreateAttr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BpfLinkCreateAttr` 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] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Checking clap v4.4.11 [INFO] [stderr] Compiling darling_macro v0.14.4 [INFO] [stderr] Compiling darling v0.14.4 [INFO] [stderr] Compiling clap v3.2.25 [INFO] [stderr] Checking peginator v0.3.0 [INFO] [stderr] Compiling peginator_macro v0.3.0 [INFO] [stderr] Compiling bpf-script v0.5.4 [INFO] [stderr] Compiling bpf-script-derive v0.5.4 [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] --> examples/array.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 5 | let array = Array::::with_capacity(ARRAY_SIZE).unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 11 | match array.get(i) { [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bpf-api` (example "array") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `std::result::Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:91:19 [INFO] [stdout] | [INFO] [stdout] 85 | let array = Array::::with_capacity(ARRAY_SIZE).unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 91 | match array.get(i) { [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: struct `BpfLinkCreateAttr` is never constructed [INFO] [stdout] --> src/platform/linux/probes.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct BpfLinkCreateAttr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BpfLinkCreateAttr` 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: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bpf-api` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "d6d2f115b4cc55463c80ff94857aeebf07067bea4e5cccd1395c52e74690fb92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6d2f115b4cc55463c80ff94857aeebf07067bea4e5cccd1395c52e74690fb92", kill_on_drop: false }` [INFO] [stdout] d6d2f115b4cc55463c80ff94857aeebf07067bea4e5cccd1395c52e74690fb92