[INFO] fetching crate sylvia-iot-corelib 0.1.14... [INFO] checking sylvia-iot-corelib-0.1.14 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate sylvia-iot-corelib 0.1.14 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate sylvia-iot-corelib 0.1.14 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 sylvia-iot-corelib 0.1.14 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate sylvia-iot-corelib 0.1.14 [INFO] tweaked toml for crates.io crate sylvia-iot-corelib 0.1.14 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 186 packages to latest compatible versions [INFO] [stderr] Adding axum-test v15.7.4 (available: v16.0.0) [INFO] [stderr] Adding console v0.12.0 (available: v0.15.8) [INFO] [stderr] Adding convert_case v0.4.0 (available: v0.6.0) [INFO] [stderr] Adding destructure_traitobject v0.2.0 (available: v0.3.0) [INFO] [stderr] Adding encode_unicode v0.3.6 (available: v1.0.0) [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding http v0.2.12 (available: v1.1.0) [INFO] [stderr] Adding idna v0.5.0 (available: v1.0.2) [INFO] [stderr] Adding matchit v0.7.3 (available: v0.8.4) [INFO] [stderr] Adding ordered-float v2.10.1 (available: v4.3.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding sync_wrapper v0.1.2 (available: v1.0.1) [INFO] [stderr] Adding terminal_size v0.1.17 (available: v0.4.0) [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] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d195a8c78f367be78e963deda763a0c82af8f140ab2c3fe7ac2f1e6bc2d6dab [INFO] running `Command { std: "docker" "start" "-a" "1d195a8c78f367be78e963deda763a0c82af8f140ab2c3fe7ac2f1e6bc2d6dab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d195a8c78f367be78e963deda763a0c82af8f140ab2c3fe7ac2f1e6bc2d6dab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d195a8c78f367be78e963deda763a0c82af8f140ab2c3fe7ac2f1e6bc2d6dab", kill_on_drop: false }` [INFO] [stdout] 1d195a8c78f367be78e963deda763a0c82af8f140ab2c3fe7ac2f1e6bc2d6dab [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a8c1b87c9adca28390360ae9c94e43385babf2af219ebfcaffa8c0d373396b4 [INFO] running `Command { std: "docker" "start" "-a" "7a8c1b87c9adca28390360ae9c94e43385babf2af219ebfcaffa8c0d373396b4", kill_on_drop: false }` [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking tower-layer v0.3.3 [INFO] [stderr] Compiling anyhow v1.0.89 [INFO] [stderr] Checking destructure_traitobject v0.2.0 [INFO] [stderr] Checking sync_wrapper v1.0.1 [INFO] [stderr] Checking serde_path_to_error v0.1.16 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Compiling cookie v0.18.1 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Checking unsafe-any-ors v1.0.0 [INFO] [stderr] Checking matchit v0.7.3 [INFO] [stderr] Checking clap_builder v4.5.18 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking time v0.3.36 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking typemap-ors v1.0.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking thread-id v4.2.2 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Checking convert_case v0.4.0 [INFO] [stderr] Checking auto-future v1.0.0 [INFO] [stderr] Checking console v0.12.0 [INFO] [stderr] Compiling mime_guess v2.0.5 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking pbkdf2 v0.12.2 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking ordered-float v2.10.1 [INFO] [stderr] Checking thiserror v1.0.64 [INFO] [stderr] Checking serde-value v0.7.0 [INFO] [stderr] Checking reserve-port v2.0.1 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking clap v4.5.18 [INFO] [stderr] Checking laboratory v2.0.0 [INFO] [stderr] Checking log4rs v1.3.0 [INFO] [stderr] Checking http-body-util v0.1.2 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking rust-multipart-rfc7578_2 v0.6.1 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking hyper v1.4.1 [INFO] [stderr] Checking tower v0.5.1 [INFO] [stderr] Checking axum-core v0.4.4 [INFO] [stderr] Checking hyper-util v0.1.9 [INFO] [stderr] Checking axum v0.7.6 [INFO] [stderr] Checking axum-test v15.7.4 [INFO] [stderr] Checking sylvia-iot-corelib v0.1.14 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result<(), serde_json::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/http.rs:54:15 [INFO] [stdout] | [INFO] [stdout] 50 | fn into_response(self) -> Response { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 53 | let mut buf = BytesMut::with_capacity(128).writer(); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 54 | match serde_json::to_writer(&mut buf, &self.0) { [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 `sylvia-iot-corelib` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7a8c1b87c9adca28390360ae9c94e43385babf2af219ebfcaffa8c0d373396b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a8c1b87c9adca28390360ae9c94e43385babf2af219ebfcaffa8c0d373396b4", kill_on_drop: false }` [INFO] [stdout] 7a8c1b87c9adca28390360ae9c94e43385babf2af219ebfcaffa8c0d373396b4