[INFO] fetching crate ggstd 0.1.0... [INFO] checking ggstd-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate ggstd 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate ggstd 0.1.0 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 ggstd 0.1.0 [INFO] finished tweaking crates.io crate ggstd 0.1.0 [INFO] tweaked toml for crates.io crate ggstd 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate ggstd 0.1.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 371da09a4b05d0b3c1effbaaa858cda101255d7fe5141e513869c354596c6c94 [INFO] running `Command { std: "docker" "start" "-a" "371da09a4b05d0b3c1effbaaa858cda101255d7fe5141e513869c354596c6c94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "371da09a4b05d0b3c1effbaaa858cda101255d7fe5141e513869c354596c6c94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "371da09a4b05d0b3c1effbaaa858cda101255d7fe5141e513869c354596c6c94", kill_on_drop: false }` [INFO] [stdout] 371da09a4b05d0b3c1effbaaa858cda101255d7fe5141e513869c354596c6c94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 03c4e34048119c43c1ccaebd6bb582e414740b052753cd6f1b3ee45db3048206 [INFO] running `Command { std: "docker" "start" "-a" "03c4e34048119c43c1ccaebd6bb582e414740b052753cd6f1b3ee45db3048206", kill_on_drop: false }` [INFO] [stderr] Compiling ggstd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `latin_offset` is never read [INFO] [stdout] --> src/unicode/letter.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct RangeTable { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub latin_offset: isize, // number of entries in R16 with Hi <= MaxLatin1 [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/compress/gzip/gunzip_test.rs:446:27 [INFO] [stdout] | [INFO] [stdout] 374 | let mut r1 = Reader::new(Box::leak(Box::new(bytes::Reader::new( [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 446 | if let Err(err) = r1.reset(Box::leak(Box::new(bytes::Reader::new(tt.gzip)))) { [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 `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/os/tempfile_test.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 60 | let td = TempDir::new_in_dir(Path::new(""), "test_create_temp_bad_pattern").unwrap(); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 75 | let res = TempFile::new_in_dir(&td.path, pattern); [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: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/os/tempfile_test.rs:179:13 [INFO] [stdout] | [INFO] [stdout] 164 | let td = TempDir::new_in_dir(Path::new(""), "test_mkdir_temp_bad_pattern").unwrap(); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 179 | let res = TempDir::new_in_dir(&td.path, pattern); [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] warning: struct `SparseReader` is never constructed [INFO] [stdout] --> src/compress/flate/deflate_test.rs:257:8 [INFO] [stdout] | [INFO] [stdout] 257 | struct SparseReader { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `latin_offset` is never read [INFO] [stdout] --> src/unicode/letter.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct RangeTable { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub latin_offset: isize, // number of entries in R16 with Hi <= MaxLatin1 [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ggstd` (lib test) due to 4 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "03c4e34048119c43c1ccaebd6bb582e414740b052753cd6f1b3ee45db3048206", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03c4e34048119c43c1ccaebd6bb582e414740b052753cd6f1b3ee45db3048206", kill_on_drop: false }` [INFO] [stdout] 03c4e34048119c43c1ccaebd6bb582e414740b052753cd6f1b3ee45db3048206