[INFO] fetching crate borsh 0.10.4... [INFO] checking borsh-0.10.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate borsh 0.10.4 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate borsh 0.10.4 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate borsh 0.10.4 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate borsh 0.10.4 [INFO] tweaked toml for crates.io crate borsh 0.10.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate borsh 0.10.4 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ab8c3f4f5925e89ecefbcb1a40d76de8c6df13b8d5c77010843a6f4175946f77 [INFO] running `Command { std: "docker" "start" "-a" "ab8c3f4f5925e89ecefbcb1a40d76de8c6df13b8d5c77010843a6f4175946f77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab8c3f4f5925e89ecefbcb1a40d76de8c6df13b8d5c77010843a6f4175946f77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab8c3f4f5925e89ecefbcb1a40d76de8c6df13b8d5c77010843a6f4175946f77", kill_on_drop: false }` [INFO] [stdout] ab8c3f4f5925e89ecefbcb1a40d76de8c6df13b8d5c77010843a6f4175946f77 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d17de2829250f9ef3043952bc8a9fa0dbbbaa05b93c836a4735b3bc34b31ade4 [INFO] running `Command { std: "docker" "start" "-a" "d17de2829250f9ef3043952bc8a9fa0dbbbaa05b93c836a4735b3bc34b31ade4", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking hashbrown v0.13.2 [INFO] [stderr] Compiling borsh-derive-internal v0.10.4 [INFO] [stderr] Compiling borsh-schema-derive-internal v0.10.4 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling borsh-derive v0.10.4 [INFO] [stderr] Checking borsh v0.10.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/de/mod.rs:57:15 [INFO] [stdout] | [INFO] [stdout] 55 | let result = Self::deserialize_reader(reader)?; [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 56 | let mut buf = [0u8; 1]; [INFO] [stdout] 57 | match reader.read_exact(&mut buf) { [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: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/de/mod.rs:57:15 [INFO] [stdout] | [INFO] [stdout] 55 | let result = Self::deserialize_reader(reader)?; [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 56 | let mut buf = [0u8; 1]; [INFO] [stdout] 57 | match reader.read_exact(&mut buf) { [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 `borsh` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/de/mod.rs:666:19 [INFO] [stdout] | [INFO] [stdout] 666 | struct MyType(u8); [INFO] [stdout] | ------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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 `borsh` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "d17de2829250f9ef3043952bc8a9fa0dbbbaa05b93c836a4735b3bc34b31ade4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d17de2829250f9ef3043952bc8a9fa0dbbbaa05b93c836a4735b3bc34b31ade4", kill_on_drop: false }` [INFO] [stdout] d17de2829250f9ef3043952bc8a9fa0dbbbaa05b93c836a4735b3bc34b31ade4