[INFO] fetching crate scdlang_xstate 0.2.1... [INFO] checking scdlang_xstate-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate scdlang_xstate 0.2.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate scdlang_xstate 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 scdlang_xstate 0.2.1 [INFO] finished tweaking crates.io crate scdlang_xstate 0.2.1 [INFO] tweaked toml for crates.io crate scdlang_xstate 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 44 packages to latest compatible versions [INFO] [stderr] Adding assert-json-diff v1.1.0 (latest: v2.0.2) [INFO] [stderr] Adding extend v0.1.2 (latest: v1.2.0) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.1.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7f3ad3d19789c080f655beef3cf694cee14aa59966087b44ffb64a5a4f45ae08 [INFO] running `Command { std: "docker" "start" "-a" "7f3ad3d19789c080f655beef3cf694cee14aa59966087b44ffb64a5a4f45ae08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f3ad3d19789c080f655beef3cf694cee14aa59966087b44ffb64a5a4f45ae08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f3ad3d19789c080f655beef3cf694cee14aa59966087b44ffb64a5a4f45ae08", kill_on_drop: false }` [INFO] [stdout] 7f3ad3d19789c080f655beef3cf694cee14aa59966087b44ffb64a5a4f45ae08 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 17869b4d4f67b27aedb6eb5ad20f09aad94a25708945f19369c156c09026b70b [INFO] running `Command { std: "docker" "start" "-a" "17869b4d4f67b27aedb6eb5ad20f09aad94a25708945f19369c156c09026b70b", kill_on_drop: false }` [INFO] [stderr] Checking stfu8 v0.2.7 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking voca_rs v1.15.2 [INFO] [stderr] Compiling extend v0.1.2 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling pest v2.7.11 [INFO] [stderr] Compiling pest_meta v2.7.11 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Compiling pest_generator v2.7.11 [INFO] [stderr] Checking assert-json-diff v1.1.0 [INFO] [stderr] Compiling pest_derive v2.7.11 [INFO] [stderr] Checking scdlang v0.2.1 [INFO] [stderr] Checking scdlang_xstate v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/machine/mod.rs:33:34 [INFO] [stdout] | [INFO] [stdout] 33 | fn configure(&mut self) -> &mut Builder<'a> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 | fn configure(&mut self) -> &mut dyn Builder<'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/machine/mod.rs:33:34 [INFO] [stdout] | [INFO] [stdout] 33 | fn configure(&mut self) -> &mut Builder<'a> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 | fn configure(&mut self) -> &mut dyn Builder<'a> { [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/machine/mod.rs:80:6 [INFO] [stdout] | [INFO] [stdout] 55 | fn try_parse(source: &str, builder: Scdlang<'a>) -> Result { [INFO] [stdout] | -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 80 | Ok(Machine { schema, builder }) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `scdlang_xstate` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/machine/mod.rs:80:6 [INFO] [stdout] | [INFO] [stdout] 55 | fn try_parse(source: &str, builder: Scdlang<'a>) -> Result { [INFO] [stdout] | -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 80 | Ok(Machine { schema, builder }) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `scdlang_xstate` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "17869b4d4f67b27aedb6eb5ad20f09aad94a25708945f19369c156c09026b70b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17869b4d4f67b27aedb6eb5ad20f09aad94a25708945f19369c156c09026b70b", kill_on_drop: false }` [INFO] [stdout] 17869b4d4f67b27aedb6eb5ad20f09aad94a25708945f19369c156c09026b70b