[INFO] fetching crate arcon_spec 0.1.3... [INFO] checking arcon_spec-0.1.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate arcon_spec 0.1.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate arcon_spec 0.1.3 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 arcon_spec 0.1.3 [INFO] finished tweaking crates.io crate arcon_spec 0.1.3 [INFO] tweaked toml for crates.io crate arcon_spec 0.1.3 written to /workspace/builds/worker-0-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] Updating crates.io index [INFO] [stderr] Locking 52 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding dtoa v0.4.8 (latest: v1.0.9) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding itoa v0.3.4 (latest: v1.0.11) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.19) [INFO] [stderr] Adding quote v0.3.15 (latest: v1.0.37) [INFO] [stderr] Adding serde v0.9.15 (latest: v1.0.209) [INFO] [stderr] Adding serde_derive v0.9.15 (latest: v1.0.209) [INFO] [stderr] Adding serde_json v0.9.10 (latest: v1.0.127) [INFO] [stderr] Adding syn v0.11.11 (latest: v2.0.77) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding unicode-xid v0.0.4 (latest: v0.2.5) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8a6db78f3ac1e0c7e3da5fb21e27ceec1b0887a9bff52aaaa8f682285336edb8 [INFO] running `Command { std: "docker" "start" "-a" "8a6db78f3ac1e0c7e3da5fb21e27ceec1b0887a9bff52aaaa8f682285336edb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a6db78f3ac1e0c7e3da5fb21e27ceec1b0887a9bff52aaaa8f682285336edb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a6db78f3ac1e0c7e3da5fb21e27ceec1b0887a9bff52aaaa8f682285336edb8", kill_on_drop: false }` [INFO] [stdout] 8a6db78f3ac1e0c7e3da5fb21e27ceec1b0887a9bff52aaaa8f682285336edb8 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b11aca3f85607643ecec99543862877d67a65674cb3cf5b5581925579415c04 [INFO] running `Command { std: "docker" "start" "-a" "6b11aca3f85607643ecec99543862877d67a65674cb3cf5b5581925579415c04", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.29.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling unicode-xid v0.2.5 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking miniz_oxide v0.7.4 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking serde v0.9.15 [INFO] [stderr] Compiling backtrace v0.3.73 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling serde_derive v0.9.15 [INFO] [stderr] Checking serde_json v0.9.10 [INFO] [stderr] Checking addr2line v0.22.0 [INFO] [stderr] Checking tempfile v3.12.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking arcon_spec v0.1.3 (/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:299:9 [INFO] [stdout] | [INFO] [stdout] 298 | let file = File::open(path).map_err(|e| SpecError { msg: e.to_string() })?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 299 | serde_json::from_reader(file).map_err(|e| SpecError { msg: e.to_string() }) [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `arcon_spec` (lib) due to 2 previous errors [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/lib.rs:299:9 [INFO] [stdout] | [INFO] [stdout] 298 | let file = File::open(path).map_err(|e| SpecError { msg: e.to_string() })?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 299 | serde_json::from_reader(file).map_err(|e| SpecError { msg: e.to_string() }) [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `arcon_spec` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "6b11aca3f85607643ecec99543862877d67a65674cb3cf5b5581925579415c04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b11aca3f85607643ecec99543862877d67a65674cb3cf5b5581925579415c04", kill_on_drop: false }` [INFO] [stdout] 6b11aca3f85607643ecec99543862877d67a65674cb3cf5b5581925579415c04