[INFO] fetching crate unidown 0.7.0... [INFO] checking unidown-0.7.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate unidown 0.7.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate unidown 0.7.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate unidown 0.7.0 [INFO] finished tweaking crates.io crate unidown 0.7.0 [INFO] tweaked toml for crates.io crate unidown 0.7.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate unidown 0.7.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81eaa48a25b742d86e3d45db1bfacb249135992668c4f46a50d715381cf1009e [INFO] running `Command { std: "docker" "start" "-a" "81eaa48a25b742d86e3d45db1bfacb249135992668c4f46a50d715381cf1009e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81eaa48a25b742d86e3d45db1bfacb249135992668c4f46a50d715381cf1009e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81eaa48a25b742d86e3d45db1bfacb249135992668c4f46a50d715381cf1009e", kill_on_drop: false }` [INFO] [stdout] 81eaa48a25b742d86e3d45db1bfacb249135992668c4f46a50d715381cf1009e [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7ee9ff1d2138a2a43a19ddfbfe2e86ced070fead8bd018f93f8ab0e2a74253b [INFO] running `Command { std: "docker" "start" "-a" "e7ee9ff1d2138a2a43a19ddfbfe2e86ced070fead8bd018f93f8ab0e2a74253b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Checking colorchoice v1.0.2 [INFO] [stderr] Checking anstyle-query v1.1.1 [INFO] [stderr] Checking clap_lex v0.7.2 [INFO] [stderr] Checking unicode-width v0.1.13 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Compiling pulldown-cmark v0.12.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking anstyle-parse v0.2.5 [INFO] [stderr] Checking pulldown-cmark-escape v0.11.0 [INFO] [stderr] Checking unicode-segmentation v1.11.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking anstream v0.6.15 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.75 [INFO] [stderr] Checking errno v0.2.8 [INFO] [stderr] Compiling vte_generate_state_changes v0.1.2 [INFO] [stderr] Checking terminal_size v0.3.0 [INFO] [stderr] Checking pager v0.16.1 [INFO] [stderr] Checking clap_builder v4.5.15 [INFO] [stderr] Checking vte v0.11.1 [INFO] [stderr] Checking strip-ansi-escapes v0.2.0 [INFO] [stderr] Checking veg v0.5.1 [INFO] [stderr] Compiling clap_derive v4.5.13 [INFO] [stderr] Checking clap v4.5.16 [INFO] [stderr] Checking unidown v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:397:5 [INFO] [stdout] | [INFO] [stdout] 392 | pub fn write_unicode_io<'a, I, W>(writer: W, iter: I) -> io::Result<()> [INFO] [stdout] | --------- ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 397 | UnicodeWriter::new(iter, IoWriter(writer)).run() [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:409:5 [INFO] [stdout] | [INFO] [stdout] 404 | pub fn write_unicode_fmt<'a, I, W>(writer: W, iter: I) -> fmt::Result [INFO] [stdout] | --------- ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 409 | UnicodeWriter::new(iter, FmtWriter(writer)).run() [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:585:22 [INFO] [stdout] | [INFO] [stdout] 576 | fn new(iter: I, writer: W) -> Self { [INFO] [stdout] | ------- --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 585 | numbers: HashMap::new(), [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unidown` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:397:5 [INFO] [stdout] | [INFO] [stdout] 392 | pub fn write_unicode_io<'a, I, W>(writer: W, iter: I) -> io::Result<()> [INFO] [stdout] | --------- ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 397 | UnicodeWriter::new(iter, IoWriter(writer)).run() [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:409:5 [INFO] [stdout] | [INFO] [stdout] 404 | pub fn write_unicode_fmt<'a, I, W>(writer: W, iter: I) -> fmt::Result [INFO] [stdout] | --------- ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 409 | UnicodeWriter::new(iter, FmtWriter(writer)).run() [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:585:22 [INFO] [stdout] | [INFO] [stdout] 576 | fn new(iter: I, writer: W) -> Self { [INFO] [stdout] | ------- --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 585 | numbers: HashMap::new(), [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unidown` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "e7ee9ff1d2138a2a43a19ddfbfe2e86ced070fead8bd018f93f8ab0e2a74253b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7ee9ff1d2138a2a43a19ddfbfe2e86ced070fead8bd018f93f8ab0e2a74253b", kill_on_drop: false }` [INFO] [stdout] e7ee9ff1d2138a2a43a19ddfbfe2e86ced070fead8bd018f93f8ab0e2a74253b