[INFO] fetching crate mqtt-v5-fork 0.2.0... [INFO] checking mqtt-v5-fork-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate mqtt-v5-fork 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate mqtt-v5-fork 0.2.0 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 mqtt-v5-fork 0.2.0 [INFO] finished tweaking crates.io crate mqtt-v5-fork 0.2.0 [INFO] tweaked toml for crates.io crate mqtt-v5-fork 0.2.0 written to /workspace/builds/worker-6-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 55 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.13.1 (available: v0.22.1) [INFO] [stderr] Adding base64 v0.21.7 (available: v0.22.1) [INFO] [stderr] Adding num_enum v0.5.11 (available: v0.7.3) [INFO] [stderr] Adding num_enum_derive v0.5.11 (available: v0.7.3) [INFO] [stderr] Adding proc-macro-crate v1.3.1 (available: v3.2.0) [INFO] [stderr] Adding sha1 v0.6.1 (available: v0.10.6) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding toml_edit v0.19.15 (available: v0.22.22) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding winnow v0.5.40 (available: v0.6.20) [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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b69d48da2296e650b287f79001da013c80f03af30dd89bbca62585eb23fb03f [INFO] running `Command { std: "docker" "start" "-a" "0b69d48da2296e650b287f79001da013c80f03af30dd89bbca62585eb23fb03f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b69d48da2296e650b287f79001da013c80f03af30dd89bbca62585eb23fb03f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b69d48da2296e650b287f79001da013c80f03af30dd89bbca62585eb23fb03f", kill_on_drop: false }` [INFO] [stdout] 0b69d48da2296e650b287f79001da013c80f03af30dd89bbca62585eb23fb03f [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4bfecaa010c82865bc4ec7b68d2623ac851daa6b5f5dbff842326c90f17aa31a [INFO] running `Command { std: "docker" "start" "-a" "4bfecaa010c82865bc4ec7b68d2623ac851daa6b5f5dbff842326c90f17aa31a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling httparse v1.9.4 [INFO] [stderr] Checking sha1_smol v1.0.1 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking sha1 v0.6.1 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Compiling indexmap v2.5.0 [INFO] [stderr] Checking tokio-util v0.7.12 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Checking websocket-codec v0.5.2 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling num_enum_derive v0.5.11 [INFO] [stderr] Checking num_enum v0.5.11 [INFO] [stderr] Checking mqtt-v5-fork v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode [INFO] [stdout] --> src/lib.rs:224:48 [INFO] [stdout] | [INFO] [stdout] 224 | let sha1_str = base64::encode(&sha1_bytes); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode [INFO] [stdout] --> src/lib.rs:224:48 [INFO] [stdout] | [INFO] [stdout] 224 | let sha1_str = base64::encode(&sha1_bytes); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result, types::DecodeError>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/decoder.rs:1225:19 [INFO] [stdout] | [INFO] [stdout] 1223 | let bytes = &mut BytesMut::new(); [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 1224 | bytes.extend_from_slice(encoded_variable_int); [INFO] [stdout] 1225 | match decode_variable_int(&mut Cursor::new(bytes)) { [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] warning: 1 warning emitted [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 `mqtt-v5-fork` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "4bfecaa010c82865bc4ec7b68d2623ac851daa6b5f5dbff842326c90f17aa31a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bfecaa010c82865bc4ec7b68d2623ac851daa6b5f5dbff842326c90f17aa31a", kill_on_drop: false }` [INFO] [stdout] 4bfecaa010c82865bc4ec7b68d2623ac851daa6b5f5dbff842326c90f17aa31a