[INFO] fetching crate step-machine 0.2.0... [INFO] checking step-machine-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate step-machine 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate step-machine 0.2.0 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 step-machine 0.2.0 [INFO] finished tweaking crates.io crate step-machine 0.2.0 [INFO] tweaked toml for crates.io crate step-machine 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate step-machine 0.2.0 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" "+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] 1de7a7ccc30623790ea441ce93128a28214c5d695ff97ff9385f1b72059d4461 [INFO] running `Command { std: "docker" "start" "-a" "1de7a7ccc30623790ea441ce93128a28214c5d695ff97ff9385f1b72059d4461", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1de7a7ccc30623790ea441ce93128a28214c5d695ff97ff9385f1b72059d4461", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1de7a7ccc30623790ea441ce93128a28214c5d695ff97ff9385f1b72059d4461", kill_on_drop: false }` [INFO] [stdout] 1de7a7ccc30623790ea441ce93128a28214c5d695ff97ff9385f1b72059d4461 [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] a58922cdb67b6e7cc84a0cea203d6d3e90ad3537f3d2503c70d0cd3840503c8a [INFO] running `Command { std: "docker" "start" "-a" "a58922cdb67b6e7cc84a0cea203d6d3e90ad3537f3d2503c70d0cd3840503c8a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling fsio v0.1.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Compiling nias v0.5.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling anyhow v1.0.42 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking envmnt v0.8.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking ci_info v0.10.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling derive_more v0.99.16 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking step-machine v0.2.0 (/opt/rustwide/workdir) [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:130:12 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn new(state: M) -> Result { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 128 | let store: Store = Store::new()?; [INFO] [stdout] 129 | let step = Step::new(state); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 130 | Ok(Self { store, step }) [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: 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:160:19 [INFO] [stdout] | [INFO] [stdout] 160 | match self.step.state.next() { [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] [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/store.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 32 | Err(e) => Err(e), [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 33 | }?; [INFO] [stdout] 34 | Ok(serde_json::from_str(&text)?) [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `step-machine` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a58922cdb67b6e7cc84a0cea203d6d3e90ad3537f3d2503c70d0cd3840503c8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a58922cdb67b6e7cc84a0cea203d6d3e90ad3537f3d2503c70d0cd3840503c8a", kill_on_drop: false }` [INFO] [stdout] a58922cdb67b6e7cc84a0cea203d6d3e90ad3537f3d2503c70d0cd3840503c8a