[INFO] fetching crate xwords 0.3.1... [INFO] checking xwords-0.3.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate xwords 0.3.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate xwords 0.3.1 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 xwords 0.3.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate xwords 0.3.1 [INFO] tweaked toml for crates.io crate xwords 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate xwords 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5655ba3e4e57ae1a77f0d85eafc8efd33c0ff037a3f07b7450c17b552b8dc849 [INFO] running `Command { std: "docker" "start" "-a" "5655ba3e4e57ae1a77f0d85eafc8efd33c0ff037a3f07b7450c17b552b8dc849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5655ba3e4e57ae1a77f0d85eafc8efd33c0ff037a3f07b7450c17b552b8dc849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5655ba3e4e57ae1a77f0d85eafc8efd33c0ff037a3f07b7450c17b552b8dc849", kill_on_drop: false }` [INFO] [stdout] 5655ba3e4e57ae1a77f0d85eafc8efd33c0ff037a3f07b7450c17b552b8dc849 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 712b5bb9cac282f1799c262bc172a108c278b69d6c64b7e5d710823efb9edda8 [INFO] running `Command { std: "docker" "start" "-a" "712b5bb9cac282f1799c262bc172a108c278b69d6c64b7e5d710823efb9edda8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling syn v1.0.50 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Compiling cc v1.0.65 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking debugid v0.7.2 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking bytemuck v1.4.1 [INFO] [stderr] Compiling cpp_demangle v0.3.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking smallvec v1.5.0 [INFO] [stderr] Checking num-format v0.4.0 [INFO] [stderr] Checking rgb v0.8.25 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking quick-xml v0.19.0 [INFO] [stderr] Checking msvc-demangler v0.8.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.0 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling pprof v0.3.18 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking str_stack v0.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling symbolic-demangle v7.5.0 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling const-random-macro v0.1.12 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking const-random v0.1.12 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking ahash v0.4.6 [INFO] [stderr] Checking inferno v0.10.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking symbolic-common v7.5.0 [INFO] [stderr] Checking thiserror v1.0.22 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking bincode v1.3.1 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking xwords v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.3 [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/fill/cache.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 26 | iter: T, [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 37 | .or_insert_with(|| trie.words(iter)) [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/fill/cache.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn is_viable + Clone>(&mut self, iter: T, trie: &Trie) -> bool { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 63 | .or_insert_with(|| trie.is_viable(iter)) [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 `xwords` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "712b5bb9cac282f1799c262bc172a108c278b69d6c64b7e5d710823efb9edda8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "712b5bb9cac282f1799c262bc172a108c278b69d6c64b7e5d710823efb9edda8", kill_on_drop: false }` [INFO] [stdout] 712b5bb9cac282f1799c262bc172a108c278b69d6c64b7e5d710823efb9edda8