[INFO] fetching crate flax 0.7.1... [INFO] checking flax-0.7.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate flax 0.7.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate flax 0.7.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate flax 0.7.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate flax 0.7.1 [INFO] tweaked toml for crates.io crate flax 0.7.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate flax 0.7.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a0a52fbd8c0acc94dec9ef830f831cab0312d7aabf3b7cd9d4e7122d6b5c0186 [INFO] running `Command { std: "docker" "start" "-a" "a0a52fbd8c0acc94dec9ef830f831cab0312d7aabf3b7cd9d4e7122d6b5c0186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0a52fbd8c0acc94dec9ef830f831cab0312d7aabf3b7cd9d4e7122d6b5c0186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0a52fbd8c0acc94dec9ef830f831cab0312d7aabf3b7cd9d4e7122d6b5c0186", kill_on_drop: false }` [INFO] [stdout] a0a52fbd8c0acc94dec9ef830f831cab0312d7aabf3b7cd9d4e7122d6b5c0186 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64aca5729d132dc06b56018e54910a8cc7b4181805ace9443bcb54d3dc9de66d [INFO] running `Command { std: "docker" "start" "-a" "64aca5729d132dc06b56018e54910a8cc7b4181805ace9443bcb54d3dc9de66d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling serde v1.0.190 [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking tracing-log v0.1.4 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking base64 v0.21.5 [INFO] [stderr] Checking atomic_refcell v0.1.13 [INFO] [stderr] Checking nu-ansi-term v0.49.0 [INFO] [stderr] Checking clap v4.5.3 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking tynm v0.1.9 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Compiling serde_derive v1.0.190 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking tokio v1.33.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Checking tracing-tree v0.3.0 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking glam v0.27.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking ron v0.8.1 [INFO] [stderr] Checking flax v0.7.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/query/walk.rs:67:69 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn borrow<'w>(&'w mut self, world: &'w World) -> GraphBorrow { [INFO] [stdout] | -- lifetime `'w` declared here ^ this elided lifetime gets resolved as `'w` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stdout] error: this value of type `std::option::Option>::Prepared>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/query/dfs.rs:320:34 [INFO] [stdout] | [INFO] [stdout] 305 | pub fn traverse_from(&mut self, root: Entity, value: &V, mut visit: Visit) [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 320 | if let Some(mut chunk) = unsafe { p.create_chunk(Slice::single(loc.slot)) } { [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] warning: struct `FormatWith` is never constructed [INFO] [stdout] --> src/system/mod.rs:305:8 [INFO] [stdout] | [INFO] [stdout] 305 | struct FormatWith { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ComponentName` is never constructed [INFO] [stdout] --> src/format.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | struct ComponentName { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BatchesWithId` is never constructed [INFO] [stdout] --> src/query/borrow.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | struct BatchesWithId<'q, Q: PreparedFetch<'q>, F> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `MigrateEntity` is never used [INFO] [stdout] --> src/writer.rs:179:25 [INFO] [stdout] | [INFO] [stdout] 179 | pub(crate) unsafe trait MigrateEntity { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `flax` (lib) due to 2 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "64aca5729d132dc06b56018e54910a8cc7b4181805ace9443bcb54d3dc9de66d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64aca5729d132dc06b56018e54910a8cc7b4181805ace9443bcb54d3dc9de66d", kill_on_drop: false }` [INFO] [stdout] 64aca5729d132dc06b56018e54910a8cc7b4181805ace9443bcb54d3dc9de66d