[INFO] fetching crate cfx-core 0.1.0... [INFO] checking cfx-core-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate cfx-core 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate cfx-core 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cfx-core 0.1.0 [INFO] finished tweaking crates.io crate cfx-core 0.1.0 [INFO] tweaked toml for crates.io crate cfx-core 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 30 packages to latest compatible versions [INFO] [stderr] Adding cfx-wasm-rt-types v0.1.0 (available: v0.2.0) [INFO] [stderr] Adding rmp-serde v0.15.5 (available: v1.3.0) [INFO] [stderr] Adding rustc-hash v1.1.0 (available: v2.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bbf6dbe62e76d7216c062738df6bc22a31620c110ce6ce8ce31415fb8a51c5d0 [INFO] running `Command { std: "docker" "start" "-a" "bbf6dbe62e76d7216c062738df6bc22a31620c110ce6ce8ce31415fb8a51c5d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bbf6dbe62e76d7216c062738df6bc22a31620c110ce6ce8ce31415fb8a51c5d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbf6dbe62e76d7216c062738df6bc22a31620c110ce6ce8ce31415fb8a51c5d0", kill_on_drop: false }` [INFO] [stdout] bbf6dbe62e76d7216c062738df6bc22a31620c110ce6ce8ce31415fb8a51c5d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63e8e99da179144de30dc040da02bed218fd957913ae946f311a4aa14222b21b [INFO] running `Command { std: "docker" "start" "-a" "63e8e99da179144de30dc040da02bed218fd957913ae946f311a4aa14222b21b", kill_on_drop: false }` [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking rmp v0.8.14 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking rmp-serde v0.15.5 [INFO] [stderr] Checking serde_bytes v0.11.15 [INFO] [stderr] Checking cfx-wasm-rt-types v0.1.0 [INFO] [stderr] Checking cfx-core v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/events.rs:160:93 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn subscribe<'a, In>(event_name: &'a str, scope: EventScope) -> impl Stream> [INFO] [stdout] | -- lifetime `'a` declared here ^ 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] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/events.rs:168:34 [INFO] [stdout] | [INFO] [stdout] 166 | / async_stream::stream! { [INFO] [stdout] 167 | | while let Some(event) = events.next().await { [INFO] [stdout] 168 | | if let Ok(payload) = rmp_serde::from_read_ref(&event.payload) { [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 169 | | let event = Event { [INFO] [stdout] ... | [INFO] [stdout] 176 | | } [INFO] [stdout] 177 | | } [INFO] [stdout] | |_____- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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: elided lifetime has a name [INFO] [stdout] --> src/events.rs:160:93 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn subscribe<'a, In>(event_name: &'a str, scope: EventScope) -> impl Stream> [INFO] [stdout] | -- lifetime `'a` declared here ^ 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] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/events.rs:168:34 [INFO] [stdout] | [INFO] [stdout] 166 | / async_stream::stream! { [INFO] [stdout] 167 | | while let Some(event) = events.next().await { [INFO] [stdout] 168 | | if let Ok(payload) = rmp_serde::from_read_ref(&event.payload) { [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 169 | | let event = Event { [INFO] [stdout] ... | [INFO] [stdout] 176 | | } [INFO] [stdout] 177 | | } [INFO] [stdout] | |_____- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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: this value of type `Result, rmp_serde::encode::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/events.rs:240:26 [INFO] [stdout] | [INFO] [stdout] 239 | pub fn emit(event_name: &str, payload: T) { [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 240 | if let Ok(payload) = rmp_serde::to_vec_named(&payload) { [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] warning: fields `source` and `payload` are never read [INFO] [stdout] --> src/events.rs:126:5 [INFO] [stdout] | [INFO] [stdout] 125 | pub struct EventOwned { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 126 | source: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 127 | payload: T, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/ref_funcs.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 163 | pub struct RefFunction { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 164 | name: String, [INFO] [stdout] 165 | inner: Rc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RefFunction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cfx-core` (lib test) due to 3 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Result, rmp_serde::encode::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/events.rs:240:26 [INFO] [stdout] | [INFO] [stdout] 239 | pub fn emit(event_name: &str, payload: T) { [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 240 | if let Ok(payload) = rmp_serde::to_vec_named(&payload) { [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] warning: fields `source` and `payload` are never read [INFO] [stdout] --> src/events.rs:126:5 [INFO] [stdout] | [INFO] [stdout] 125 | pub struct EventOwned { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 126 | source: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 127 | payload: T, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/ref_funcs.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 163 | pub struct RefFunction { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 164 | name: String, [INFO] [stdout] 165 | inner: Rc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RefFunction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cfx-core` (lib) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "63e8e99da179144de30dc040da02bed218fd957913ae946f311a4aa14222b21b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63e8e99da179144de30dc040da02bed218fd957913ae946f311a4aa14222b21b", kill_on_drop: false }` [INFO] [stdout] 63e8e99da179144de30dc040da02bed218fd957913ae946f311a4aa14222b21b