[INFO] fetching crate ritelinked 0.3.2... [INFO] checking ritelinked-0.3.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate ritelinked 0.3.2 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate ritelinked 0.3.2 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 ritelinked 0.3.2 [INFO] finished tweaking crates.io crate ritelinked 0.3.2 [INFO] tweaked toml for crates.io crate ritelinked 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 84 packages to latest compatible versions [INFO] [stderr] Adding ahash v0.7.8 (available: v0.8.11) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.18) [INFO] [stderr] Adding criterion v0.3.6 (available: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (available: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (available: v2.4.1) [INFO] [stderr] Adding hashbrown v0.11.2 (available: v0.14.5) [INFO] [stderr] Adding hashlink v0.7.0 (available: v0.9.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d9db5761511557cf20f92beb0a1dd8e6f710925424b632c03e5c475fa26b74de [INFO] running `Command { std: "docker" "start" "-a" "d9db5761511557cf20f92beb0a1dd8e6f710925424b632c03e5c475fa26b74de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9db5761511557cf20f92beb0a1dd8e6f710925424b632c03e5c475fa26b74de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9db5761511557cf20f92beb0a1dd8e6f710925424b632c03e5c475fa26b74de", kill_on_drop: false }` [INFO] [stdout] d9db5761511557cf20f92beb0a1dd8e6f710925424b632c03e5c475fa26b74de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 12174ae198b6d7166820f172975fdb92d9497bfae0b41f06cb480426b2f9704c [INFO] running `Command { std: "docker" "start" "-a" "12174ae198b6d7166820f172975fdb92d9497bfae0b41f06cb480426b2f9704c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking griddle v0.5.2 [INFO] [stderr] Checking hashlink v0.7.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking serde_test v1.0.177 [INFO] [stderr] Checking ritelinked v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/map.rs:638:17 [INFO] [stdout] | [INFO] [stdout] 638 | Box::from_raw(values.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 638 | let _ = Box::from_raw(values.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/map.rs:1698:17 [INFO] [stdout] | [INFO] [stdout] 1698 | Box::from_raw(tail); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1698 | let _ = Box::from_raw(tail); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/map.rs:1890:17 [INFO] [stdout] | [INFO] [stdout] 1890 | Box::from_raw(self.values.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1890 | let _ = Box::from_raw(self.values.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/map.rs:2107:9 [INFO] [stdout] | [INFO] [stdout] 2107 | Box::from_raw(cur.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2107 | let _ = Box::from_raw(cur.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/map.rs:2118:9 [INFO] [stdout] | [INFO] [stdout] 2118 | Box::from_raw(some_free.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2118 | let _ = Box::from_raw(some_free.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> benches/lru.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | struct Bar([u64; 4]); [INFO] [stdout] | --- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [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 `ritelinked::linked_hash_set::Drain<'_, i32>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/linked_hash_set.rs:341:17 [INFO] [stdout] | [INFO] [stdout] 334 | let mut s: LinkedHashSet<_> = (1..100).collect(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 341 | let mut d = s.drain(); [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: field `1` is never read [INFO] [stdout] --> tests/linked_hash_set.rs:362:30 [INFO] [stdout] | [INFO] [stdout] 362 | struct Foo(&'static str, i32); [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ritelinked` (test "linked_hash_set") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/map.rs:638:17 [INFO] [stdout] | [INFO] [stdout] 638 | Box::from_raw(values.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 638 | let _ = Box::from_raw(values.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/map.rs:1698:17 [INFO] [stdout] | [INFO] [stdout] 1698 | Box::from_raw(tail); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1698 | let _ = Box::from_raw(tail); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/map.rs:1890:17 [INFO] [stdout] | [INFO] [stdout] 1890 | Box::from_raw(self.values.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1890 | let _ = Box::from_raw(self.values.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/map.rs:2107:9 [INFO] [stdout] | [INFO] [stdout] 2107 | Box::from_raw(cur.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2107 | let _ = Box::from_raw(cur.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/map.rs:2118:9 [INFO] [stdout] | [INFO] [stdout] 2118 | Box::from_raw(some_free.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2118 | let _ = Box::from_raw(some_free.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "12174ae198b6d7166820f172975fdb92d9497bfae0b41f06cb480426b2f9704c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12174ae198b6d7166820f172975fdb92d9497bfae0b41f06cb480426b2f9704c", kill_on_drop: false }` [INFO] [stdout] 12174ae198b6d7166820f172975fdb92d9497bfae0b41f06cb480426b2f9704c