[INFO] fetching crate serde_ipld_dagcbor 0.6.1... [INFO] checking serde_ipld_dagcbor-0.6.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate serde_ipld_dagcbor 0.6.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate serde_ipld_dagcbor 0.6.1 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 serde_ipld_dagcbor 0.6.1 [INFO] finished tweaking crates.io crate serde_ipld_dagcbor 0.6.1 [INFO] tweaked toml for crates.io crate serde_ipld_dagcbor 0.6.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate serde_ipld_dagcbor 0.6.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ad2b45d4e35eb706d7df1b27d0195e6aa7577e2360ed4c1dc5958d051888c919 [INFO] running `Command { std: "docker" "start" "-a" "ad2b45d4e35eb706d7df1b27d0195e6aa7577e2360ed4c1dc5958d051888c919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad2b45d4e35eb706d7df1b27d0195e6aa7577e2360ed4c1dc5958d051888c919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad2b45d4e35eb706d7df1b27d0195e6aa7577e2360ed4c1dc5958d051888c919", kill_on_drop: false }` [INFO] [stdout] ad2b45d4e35eb706d7df1b27d0195e6aa7577e2360ed4c1dc5958d051888c919 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8003d283b3afbcc6bf79c04d84b84a51a9cc4bac1e3a3c724b8c1b6de65f39cb [INFO] running `Command { std: "docker" "start" "-a" "8003d283b3afbcc6bf79c04d84b84a51a9cc4bac1e3a3c724b8c1b6de65f39cb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling data-encoding v2.5.0 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking unsigned-varint v0.7.2 [INFO] [stderr] Checking base-x v0.2.11 [INFO] [stderr] Checking unsigned-varint v0.8.0 [INFO] [stderr] Checking core2 v0.4.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Compiling data-encoding-macro-internal v0.1.12 [INFO] [stderr] Checking data-encoding-macro v0.1.14 [INFO] [stderr] Checking multibase v0.9.1 [INFO] [stderr] Checking multihash v0.19.1 [INFO] [stderr] Checking serde_bytes v0.11.14 [INFO] [stderr] Checking cbor4ii v0.2.14 [INFO] [stderr] Checking serde-transcode v1.1.1 [INFO] [stderr] Checking cid v0.11.1 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking ipld-core v0.4.1 [INFO] [stderr] Checking serde_ipld_dagcbor v0.6.1 (/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/codec.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | fn decode(reader: R) -> Result { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 26 | Ok(crate::from_reader(reader)?) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/de.rs:445:20 [INFO] [stdout] | [INFO] [stdout] 445 | || Err(DecodeError::IndefiniteSize), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/de.rs:472:20 [INFO] [stdout] | [INFO] [stdout] 472 | || Err(DecodeError::IndefiniteSize), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/de.rs:569:12 [INFO] [stdout] | [INFO] [stdout] 564 | fn variant_seed(self, seed: V) -> Result<(V::Value, Self::Variant), Self::Error> [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 568 | let variant = seed.deserialize(&mut *self.de)?; [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 569 | Ok((variant, self)) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_ipld_dagcbor` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8003d283b3afbcc6bf79c04d84b84a51a9cc4bac1e3a3c724b8c1b6de65f39cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8003d283b3afbcc6bf79c04d84b84a51a9cc4bac1e3a3c724b8c1b6de65f39cb", kill_on_drop: false }` [INFO] [stdout] 8003d283b3afbcc6bf79c04d84b84a51a9cc4bac1e3a3c724b8c1b6de65f39cb