[INFO] fetching crate wasm-msgpack 0.6.2... [INFO] checking wasm-msgpack-0.6.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate wasm-msgpack 0.6.2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate wasm-msgpack 0.6.2 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 wasm-msgpack 0.6.2 [INFO] finished tweaking crates.io crate wasm-msgpack 0.6.2 [INFO] tweaked toml for crates.io crate wasm-msgpack 0.6.2 written to /workspace/builds/worker-3-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 50 packages to latest compatible versions [INFO] [stderr] Adding hash32 v0.2.1 (available: v0.3.1) [INFO] [stderr] Adding heapless v0.7.17 (available: v0.8.0) [INFO] [stderr] Adding rstest v0.17.0 (available: v0.22.0) [INFO] [stderr] Adding rstest_macros v0.17.0 (available: v0.22.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding zerocopy v0.6.6 (available: v0.7.35) [INFO] [stderr] Adding zerocopy-derive v0.6.6 (available: v0.7.35) [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50c76be9b52dcbd2612063dc7fa562d59b81666c3d71fb5643aef13f7a23fa6f [INFO] running `Command { std: "docker" "start" "-a" "50c76be9b52dcbd2612063dc7fa562d59b81666c3d71fb5643aef13f7a23fa6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50c76be9b52dcbd2612063dc7fa562d59b81666c3d71fb5643aef13f7a23fa6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50c76be9b52dcbd2612063dc7fa562d59b81666c3d71fb5643aef13f7a23fa6f", kill_on_drop: false }` [INFO] [stdout] 50c76be9b52dcbd2612063dc7fa562d59b81666c3d71fb5643aef13f7a23fa6f [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c427d6cf6a5685b4c7a058796759aa42d5509689488cbcd460fec22ce32238d7 [INFO] running `Command { std: "docker" "start" "-a" "c427d6cf6a5685b4c7a058796759aa42d5509689488cbcd460fec22ce32238d7", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling zerocopy-derive v0.6.6 [INFO] [stderr] Compiling serde_repr v0.1.19 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Checking zerocopy v0.6.6 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Checking rmp v0.8.14 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling rstest_macros v0.17.0 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking serde_bytes v0.11.15 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking rmp-serde v1.3.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking wasm-msgpack v0.6.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures v0.3.30 [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/decode/serde/mod.rs:60:55 [INFO] [stdout] | [INFO] [stdout] 59 | impl<'a> Deserializer<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 60 | pub const fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rstest v0.17.0 [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/ext/timestamp.rs:188:13 [INFO] [stdout] | [INFO] [stdout] 188 | / fn visit_map(self, mut map: V) -> Result [INFO] [stdout] 189 | | where [INFO] [stdout] 190 | | V: ::serde::de::MapAccess<'de>, [INFO] [stdout] | |_______________________________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: ext::_::_serde::Deserialize<'de>` will fail [INFO] [stdout] --> src/ext/timestamp.rs:249:33 [INFO] [stdout] | [INFO] [stdout] 249 | ... map.next_value()?; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/ext/mod.rs:220:13 [INFO] [stdout] | [INFO] [stdout] 220 | / fn visit_map(self, mut map: V) -> Result [INFO] [stdout] 221 | | where [INFO] [stdout] 222 | | V: ::serde::de::MapAccess<'de>, [INFO] [stdout] | |_______________________________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: ext::_::_serde::Deserialize<'de>` will fail [INFO] [stdout] --> src/ext/mod.rs:289:33 [INFO] [stdout] | [INFO] [stdout] 289 | ... map.next_value()?; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/decode/serde/mod.rs:60:55 [INFO] [stdout] | [INFO] [stdout] 59 | impl<'a> Deserializer<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 60 | pub const fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/ext/timestamp.rs:188:13 [INFO] [stdout] | [INFO] [stdout] 188 | / fn visit_map(self, mut map: V) -> Result [INFO] [stdout] 189 | | where [INFO] [stdout] 190 | | V: ::serde::de::MapAccess<'de>, [INFO] [stdout] | |_______________________________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: ext::_::_serde::Deserialize<'de>` will fail [INFO] [stdout] --> src/ext/timestamp.rs:249:33 [INFO] [stdout] | [INFO] [stdout] 249 | ... map.next_value()?; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/ext/mod.rs:220:13 [INFO] [stdout] | [INFO] [stdout] 220 | / fn visit_map(self, mut map: V) -> Result [INFO] [stdout] 221 | | where [INFO] [stdout] 222 | | V: ::serde::de::MapAccess<'de>, [INFO] [stdout] | |_______________________________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: ext::_::_serde::Deserialize<'de>` will fail [INFO] [stdout] --> src/ext/mod.rs:289:33 [INFO] [stdout] | [INFO] [stdout] 289 | ... map.next_value()?; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `T` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/decode/mod.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 2 | expected: T, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 11 | let v: T = wasm_msgpack::decode::from_slice(x).unwrap(); [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `wasm-msgpack` (test "lib") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "c427d6cf6a5685b4c7a058796759aa42d5509689488cbcd460fec22ce32238d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c427d6cf6a5685b4c7a058796759aa42d5509689488cbcd460fec22ce32238d7", kill_on_drop: false }` [INFO] [stdout] c427d6cf6a5685b4c7a058796759aa42d5509689488cbcd460fec22ce32238d7