[INFO] fetching crate calloop-subproc 1.0.0... [INFO] checking calloop-subproc-1.0.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate calloop-subproc 1.0.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate calloop-subproc 1.0.0 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 calloop-subproc 1.0.0 [INFO] finished tweaking crates.io crate calloop-subproc 1.0.0 [INFO] tweaked toml for crates.io crate calloop-subproc 1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate calloop-subproc 1.0.0 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" "+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] 5c451e276ec3cbf789b868582b5a00cb8764f823ca8f27eb8e9aafb37844269f [INFO] running `Command { std: "docker" "start" "-a" "5c451e276ec3cbf789b868582b5a00cb8764f823ca8f27eb8e9aafb37844269f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c451e276ec3cbf789b868582b5a00cb8764f823ca8f27eb8e9aafb37844269f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c451e276ec3cbf789b868582b5a00cb8764f823ca8f27eb8e9aafb37844269f", kill_on_drop: false }` [INFO] [stdout] 5c451e276ec3cbf789b868582b5a00cb8764f823ca8f27eb8e9aafb37844269f [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] a19ee1f43d0533726df4b486047b3edd1a1adbdb3d6406921241b4946c030946 [INFO] running `Command { std: "docker" "start" "-a" "a19ee1f43d0533726df4b486047b3edd1a1adbdb3d6406921241b4946c030946", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling syn v1.0.93 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking ucd-trie v0.1.3 [INFO] [stderr] Compiling slotmap v1.0.6 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling camino v1.0.8 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking semver-parser v0.10.2 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking polling v2.2.0 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking nix v0.24.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking async-io v1.6.0 [INFO] [stderr] Checking async-process v1.4.0 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking calloop v0.10.0 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking calloop-subproc v1.0.0 (/opt/rustwide/workdir) [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/chain.rs:65:19 [INFO] [stdout] | [INFO] [stdout] 62 | let mut async_command: async_process::Command = command.into(); [INFO] [stdout] | ----------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 65 | match async_status.await { [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 `calloop-subproc` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a19ee1f43d0533726df4b486047b3edd1a1adbdb3d6406921241b4946c030946", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a19ee1f43d0533726df4b486047b3edd1a1adbdb3d6406921241b4946c030946", kill_on_drop: false }` [INFO] [stdout] a19ee1f43d0533726df4b486047b3edd1a1adbdb3d6406921241b4946c030946