[INFO] fetching crate solana-reed-solomon-erasure 4.0.1-3... [INFO] building solana-reed-solomon-erasure-4.0.1-3 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate solana-reed-solomon-erasure 4.0.1-3 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate solana-reed-solomon-erasure 4.0.1-3 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate solana-reed-solomon-erasure 4.0.1-3 [INFO] finished tweaking crates.io crate solana-reed-solomon-erasure 4.0.1-3 [INFO] tweaked toml for crates.io crate solana-reed-solomon-erasure 4.0.1-3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 28 packages to latest compatible versions [INFO] [stderr] Adding quickcheck v0.9.2 (available: v1.0.3) [INFO] [stderr] Adding rand v0.7.3 (available: v0.8.5) [INFO] [stderr] Adding smallvec v0.6.14 (available: v1.13.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74b3e49cb7da5baea28984611e954ba37eb6c68c54ad0f229ddf2ae0c778f501 [INFO] running `Command { std: "docker" "start" "-a" "74b3e49cb7da5baea28984611e954ba37eb6c68c54ad0f229ddf2ae0c778f501", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74b3e49cb7da5baea28984611e954ba37eb6c68c54ad0f229ddf2ae0c778f501", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74b3e49cb7da5baea28984611e954ba37eb6c68c54ad0f229ddf2ae0c778f501", kill_on_drop: false }` [INFO] [stdout] 74b3e49cb7da5baea28984611e954ba37eb6c68c54ad0f229ddf2ae0c778f501 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e46be85e9c8f5001e315c66948e7603be112e55d3c8e896ee279f25d78c092b2 [INFO] running `Command { std: "docker" "start" "-a" "e46be85e9c8f5001e315c66948e7603be112e55d3c8e896ee279f25d78c092b2", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling solana-reed-solomon-erasure v4.0.1-3 (/opt/rustwide/workdir) [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/core.rs:423:31 [INFO] [stdout] | [INFO] [stdout] 419 | let vandermonde = Matrix::vandermonde(total_shards, data_shards); [INFO] [stdout] | ----------- [INFO] [stdout] | | [INFO] [stdout] | `vandermonde` calls a custom destructor [INFO] [stdout] | `vandermonde` will be dropped later as of Edition 2024 [INFO] [stdout] 420 | [INFO] [stdout] 421 | let top = vandermonde.sub_matrix(0, 0, data_shards, data_shards); [INFO] [stdout] | --- [INFO] [stdout] | | [INFO] [stdout] | `top` calls a custom destructor [INFO] [stdout] | `top` will be dropped later as of Edition 2024 [INFO] [stdout] 422 | [INFO] [stdout] 423 | vandermonde.multiply(&top.invert().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] 424 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smallvec-0.6.14/lib.rs:1409:1 [INFO] [stdout] | [INFO] [stdout] 1409 | impl Drop for SmallVec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `vandermonde` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smallvec-0.6.14/lib.rs:1409:1 [INFO] [stdout] | [INFO] [stdout] 1409 | impl Drop for SmallVec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `top` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smallvec-0.6.14/lib.rs:1409:1 [INFO] [stdout] | [INFO] [stdout] 1409 | impl Drop for SmallVec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `solana-reed-solomon-erasure` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "e46be85e9c8f5001e315c66948e7603be112e55d3c8e896ee279f25d78c092b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e46be85e9c8f5001e315c66948e7603be112e55d3c8e896ee279f25d78c092b2", kill_on_drop: false }` [INFO] [stdout] e46be85e9c8f5001e315c66948e7603be112e55d3c8e896ee279f25d78c092b2