[INFO] fetching crate mmap_bytey_byte_buffer 0.2.2... [INFO] checking mmap_bytey_byte_buffer-0.2.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate mmap_bytey_byte_buffer 0.2.2 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate mmap_bytey_byte_buffer 0.2.2 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 mmap_bytey_byte_buffer 0.2.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate mmap_bytey_byte_buffer 0.2.2 [INFO] tweaked toml for crates.io crate mmap_bytey_byte_buffer 0.2.2 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 57 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [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 sysctl v0.5.5 (available: v0.6.0) [INFO] [stderr] Adding windows v0.48.0 (available: v0.58.0) [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] 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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a65a0f9140d95b33faff160937ecc30b92c7f32739b1fa363a0581deaf800dd8 [INFO] running `Command { std: "docker" "start" "-a" "a65a0f9140d95b33faff160937ecc30b92c7f32739b1fa363a0581deaf800dd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a65a0f9140d95b33faff160937ecc30b92c7f32739b1fa363a0581deaf800dd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a65a0f9140d95b33faff160937ecc30b92c7f32739b1fa363a0581deaf800dd8", kill_on_drop: false }` [INFO] [stdout] a65a0f9140d95b33faff160937ecc30b92c7f32739b1fa363a0581deaf800dd8 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d4355646b5932b22b85cb8028f0601e16cf464914d1d115b4a1fb99ba98fcbd [INFO] running `Command { std: "docker" "start" "-a" "3d4355646b5932b22b85cb8028f0601e16cf464914d1d115b4a1fb99ba98fcbd", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling thiserror v1.0.64 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking bytes v1.7.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking intrusive-collections v0.9.7 [INFO] [stderr] Checking combine v4.6.7 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking dashmap v6.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling enum-as-inner v0.6.1 [INFO] [stderr] Checking sysctl v0.5.5 [INFO] [stderr] Checking mmap-rs v0.6.1 [INFO] [stderr] Checking mmap_bytey_byte_buffer v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `MByteBufferError` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/byte_buffer.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 10 | let mut buffer = MByteBuffer::new().unwrap(); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 16 | match ret.err().unwrap() { [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 `MByteBufferError` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/byte_buffer.rs:94:11 [INFO] [stdout] | [INFO] [stdout] 85 | let mut buffer = MByteBuffer::new().unwrap(); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 94 | match ret.err().unwrap() { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mmap_bytey_byte_buffer` (test "byte_buffer") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3d4355646b5932b22b85cb8028f0601e16cf464914d1d115b4a1fb99ba98fcbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d4355646b5932b22b85cb8028f0601e16cf464914d1d115b4a1fb99ba98fcbd", kill_on_drop: false }` [INFO] [stdout] 3d4355646b5932b22b85cb8028f0601e16cf464914d1d115b4a1fb99ba98fcbd