[INFO] fetching crate libbpf-rs 0.24.4... [INFO] checking libbpf-rs-0.24.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate libbpf-rs 0.24.4 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate libbpf-rs 0.24.4 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] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate libbpf-rs 0.24.4 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate libbpf-rs 0.24.4 [INFO] tweaked toml for crates.io crate libbpf-rs 0.24.4 written to /workspace/builds/worker-4-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 47 packages to latest compatible versions [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding probe v0.3.0 (available: v0.5.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0babd7e2412ec3527b0fdfc7168cfb3628bc1984689cbef8e307621c05502a9d [INFO] running `Command { std: "docker" "start" "-a" "0babd7e2412ec3527b0fdfc7168cfb3628bc1984689cbef8e307621c05502a9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0babd7e2412ec3527b0fdfc7168cfb3628bc1984689cbef8e307621c05502a9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0babd7e2412ec3527b0fdfc7168cfb3628bc1984689cbef8e307621c05502a9d", kill_on_drop: false }` [INFO] [stdout] 0babd7e2412ec3527b0fdfc7168cfb3628bc1984689cbef8e307621c05502a9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 71fb8980eb276df88c7939cdd2e5461bfee9c03df92ee9856de930101ab4a48f [INFO] running `Command { std: "docker" "start" "-a" "71fb8980eb276df88c7939cdd2e5461bfee9c03df92ee9856de930101ab4a48f", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling vsprintf v2.0.0 [INFO] [stderr] Checking sdd v3.0.3 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking cc v1.1.21 [INFO] [stderr] Checking probe v0.3.0 [INFO] [stderr] Checking memmem v0.1.1 [INFO] [stderr] Checking pkg-config v0.3.31 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking lock_api v0.4.12 [INFO] [stderr] Checking scc v2.1.17 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Compiling libbpf-sys v1.4.5+v1.4.5 [INFO] [stderr] Compiling serial_test_derive v3.1.1 [INFO] [stderr] Compiling test-tag v0.1.4 [INFO] [stderr] Checking serial_test v3.1.1 [INFO] [stderr] Compiling libbpf-rs v0.24.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::result::Result>, error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/btf/mod.rs:273:15 [INFO] [stdout] | [INFO] [stdout] 252 | let cname = CString::new(name) [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 273 | match Self::from_bpf_object_raw(bpf_obj) { [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 `std::result::Result>, error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/btf/mod.rs:273:15 [INFO] [stdout] | [INFO] [stdout] 252 | let cname = CString::new(name) [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 273 | match Self::from_bpf_object_raw(bpf_obj) { [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 `libbpf-rs` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `libbpf-rs` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "71fb8980eb276df88c7939cdd2e5461bfee9c03df92ee9856de930101ab4a48f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71fb8980eb276df88c7939cdd2e5461bfee9c03df92ee9856de930101ab4a48f", kill_on_drop: false }` [INFO] [stdout] 71fb8980eb276df88c7939cdd2e5461bfee9c03df92ee9856de930101ab4a48f