[INFO] fetching crate serde-scale-wrap 0.3.0... [INFO] checking serde-scale-wrap-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate serde-scale-wrap 0.3.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate serde-scale-wrap 0.3.0 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 serde-scale-wrap 0.3.0 [INFO] finished tweaking crates.io crate serde-scale-wrap 0.3.0 [INFO] tweaked toml for crates.io crate serde-scale-wrap 0.3.0 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] Updating crates.io index [INFO] [stderr] Locking 18 packages to latest compatible versions [INFO] [stderr] Adding bitvec v0.20.4 (latest: v1.0.1) [INFO] [stderr] Adding funty v1.1.0 (latest: v2.0.0) [INFO] [stderr] Adding parity-scale-codec v2.3.1 (latest: v3.6.12) [INFO] [stderr] Adding radium v0.6.2 (latest: v1.1.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding wyz v0.2.0 (latest: v0.6.1) [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] ce55647eccd4701760cdd30c0d595488ca0e745c69d899fa35cb57db0ac86aa9 [INFO] running `Command { std: "docker" "start" "-a" "ce55647eccd4701760cdd30c0d595488ca0e745c69d899fa35cb57db0ac86aa9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce55647eccd4701760cdd30c0d595488ca0e745c69d899fa35cb57db0ac86aa9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce55647eccd4701760cdd30c0d595488ca0e745c69d899fa35cb57db0ac86aa9", kill_on_drop: false }` [INFO] [stdout] ce55647eccd4701760cdd30c0d595488ca0e745c69d899fa35cb57db0ac86aa9 [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] 98ce19fc4872728210a4269f0a733ec0cdd35f7229ff317a5eba23a0c6ac7947 [INFO] running `Command { std: "docker" "start" "-a" "98ce19fc4872728210a4269f0a733ec0cdd35f7229ff317a5eba23a0c6ac7947", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking byte-slice-cast v1.2.2 [INFO] [stderr] Checking bitvec v0.20.4 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling impl-trait-for-tuples v0.2.2 [INFO] [stderr] Checking parity-scale-codec v2.3.1 [INFO] [stderr] Checking serde-scale v0.2.2 [INFO] [stderr] Checking serde-scale-wrap v0.3.0 (/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:139:12 [INFO] [stdout] | [INFO] [stdout] 133 | fn read_map(&mut self, n: usize, f: F) -> Result [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 139 | Ok(f(Bytes::Temporary(&self.buffer))) [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 `serde-scale-wrap` (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:139:12 [INFO] [stdout] | [INFO] [stdout] 133 | fn read_map(&mut self, n: usize, f: F) -> Result [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 139 | Ok(f(Bytes::Temporary(&self.buffer))) [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 `serde-scale-wrap` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "98ce19fc4872728210a4269f0a733ec0cdd35f7229ff317a5eba23a0c6ac7947", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98ce19fc4872728210a4269f0a733ec0cdd35f7229ff317a5eba23a0c6ac7947", kill_on_drop: false }` [INFO] [stdout] 98ce19fc4872728210a4269f0a733ec0cdd35f7229ff317a5eba23a0c6ac7947