[INFO] fetching crate jsonrpc-client-core 0.5.0... [INFO] checking jsonrpc-client-core-0.5.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate jsonrpc-client-core 0.5.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate jsonrpc-client-core 0.5.0 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 jsonrpc-client-core 0.5.0 [INFO] finished tweaking crates.io crate jsonrpc-client-core 0.5.0 [INFO] tweaked toml for crates.io crate jsonrpc-client-core 0.5.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 28 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding jsonrpc-core v8.0.1 (latest: v18.0.0) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.22) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 12bbd56e88facba4b8463099621071418216ab6e5783e816b3c2492527b20038 [INFO] running `Command { std: "docker" "start" "-a" "12bbd56e88facba4b8463099621071418216ab6e5783e816b3c2492527b20038", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12bbd56e88facba4b8463099621071418216ab6e5783e816b3c2492527b20038", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12bbd56e88facba4b8463099621071418216ab6e5783e816b3c2492527b20038", kill_on_drop: false }` [INFO] [stdout] 12bbd56e88facba4b8463099621071418216ab6e5783e816b3c2492527b20038 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65d9e7f736854e0af4953f3bbc812320a11371864d03e50e809bb95630dec759 [INFO] running `Command { std: "docker" "start" "-a" "65d9e7f736854e0af4953f3bbc812320a11371864d03e50e809bb95630dec759", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking gimli v0.29.0 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking miniz_oxide v0.7.4 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling backtrace v0.3.73 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Checking addr2line v0.22.0 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking jsonrpc-core v8.0.1 [INFO] [stderr] Checking jsonrpc-client-core v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:266:36 [INFO] [stdout] | [INFO] [stdout] 266 | pub type BoxFuture = Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 266 | pub type BoxFuture = Box + Send>; [INFO] [stdout] | +++ [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/lib.rs:181:9 [INFO] [stdout] | [INFO] [stdout] 171 | let response_raw = try_ready!( [INFO] [stdout] | ____________________________- [INFO] [stdout] 172 | | self.transport_future [INFO] [stdout] 173 | | .poll() [INFO] [stdout] 174 | | .chain_err(|| ErrorKind::TransportError) [INFO] [stdout] 175 | | ); [INFO] [stdout] | |_________- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 181 | response::parse(&response_raw, &self.id).map(|t| Async::Ready(t)) [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 `jsonrpc-client-core` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/lib.rs:181:9 [INFO] [stdout] | [INFO] [stdout] 171 | let response_raw = try_ready!( [INFO] [stdout] | ____________________________- [INFO] [stdout] 172 | | self.transport_future [INFO] [stdout] 173 | | .poll() [INFO] [stdout] 174 | | .chain_err(|| ErrorKind::TransportError) [INFO] [stdout] 175 | | ); [INFO] [stdout] | |_________- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 181 | response::parse(&response_raw, &self.id).map(|t| Async::Ready(t)) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `jsonrpc-client-core` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "65d9e7f736854e0af4953f3bbc812320a11371864d03e50e809bb95630dec759", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65d9e7f736854e0af4953f3bbc812320a11371864d03e50e809bb95630dec759", kill_on_drop: false }` [INFO] [stdout] 65d9e7f736854e0af4953f3bbc812320a11371864d03e50e809bb95630dec759