[INFO] fetching crate server_nano 0.2.1... [INFO] checking server_nano-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate server_nano 0.2.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate server_nano 0.2.1 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 server_nano 0.2.1 [INFO] finished tweaking crates.io crate server_nano 0.2.1 [INFO] tweaked toml for crates.io crate server_nano 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate server_nano 0.2.1 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 061999345d69274e854afc68259d75c2c1af5b977ac3a35fe29cf39e5f74597e [INFO] running `Command { std: "docker" "start" "-a" "061999345d69274e854afc68259d75c2c1af5b977ac3a35fe29cf39e5f74597e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "061999345d69274e854afc68259d75c2c1af5b977ac3a35fe29cf39e5f74597e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "061999345d69274e854afc68259d75c2c1af5b977ac3a35fe29cf39e5f74597e", kill_on_drop: false }` [INFO] [stdout] 061999345d69274e854afc68259d75c2c1af5b977ac3a35fe29cf39e5f74597e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] be59cf3c8cc8c15150b3271e6f89287cf66e673b88b15551ea9875e825e112bc [INFO] running `Command { std: "docker" "start" "-a" "be59cf3c8cc8c15150b3271e6f89287cf66e673b88b15551ea9875e825e112bc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling rustversion v1.0.12 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Compiling serde_json v1.0.95 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling may_queue v0.1.21 [INFO] [stderr] Compiling may v0.3.45 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking socket2 v0.5.2 [INFO] [stderr] Checking generator v0.8.1 [INFO] [stderr] Checking core_affinity v0.8.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking server_nano v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `HttpServiceFactory` is never used [INFO] [stdout] --> src/http/http_server.rs:37:11 [INFO] [stdout] | [INFO] [stdout] 37 | pub trait HttpServiceFactory: Send + Sized + 'static { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `method` and `path` are never read [INFO] [stdout] --> src/router/route_matcher.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 57 | pub struct MatchedRoute { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 58 | pub method: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 59 | pub path: String, [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/request/request.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | Ok(value).map_err(|e| RequestError::JsonError(e)) [INFO] [stdout] | ^^^^^^^^^ these values have significant drop implementation and will 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: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `server_nano` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: trait `HttpServiceFactory` is never used [INFO] [stdout] --> src/http/http_server.rs:37:11 [INFO] [stdout] | [INFO] [stdout] 37 | pub trait HttpServiceFactory: Send + Sized + 'static { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `method` and `path` are never read [INFO] [stdout] --> src/router/route_matcher.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 57 | pub struct MatchedRoute { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 58 | pub method: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 59 | pub path: String, [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/request/request.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | Ok(value).map_err(|e| RequestError::JsonError(e)) [INFO] [stdout] | ^^^^^^^^^ these values have significant drop implementation and will 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: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `server_nano` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "be59cf3c8cc8c15150b3271e6f89287cf66e673b88b15551ea9875e825e112bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be59cf3c8cc8c15150b3271e6f89287cf66e673b88b15551ea9875e825e112bc", kill_on_drop: false }` [INFO] [stdout] be59cf3c8cc8c15150b3271e6f89287cf66e673b88b15551ea9875e825e112bc