[INFO] fetching crate pdqsort 1.0.3... [INFO] checking pdqsort-1.0.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate pdqsort 1.0.3 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate pdqsort 1.0.3 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 pdqsort 1.0.3 [INFO] finished tweaking crates.io crate pdqsort 1.0.3 [INFO] tweaked toml for crates.io crate pdqsort 1.0.3 written to /workspace/builds/worker-3-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 11 packages to latest compatible versions [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3dc2fe7cde4166c8e8e772d041ecf7a6e84d969162b9ace1e52aaa89e25cd3ae [INFO] running `Command { std: "docker" "start" "-a" "3dc2fe7cde4166c8e8e772d041ecf7a6e84d969162b9ace1e52aaa89e25cd3ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3dc2fe7cde4166c8e8e772d041ecf7a6e84d969162b9ace1e52aaa89e25cd3ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dc2fe7cde4166c8e8e772d041ecf7a6e84d969162b9ace1e52aaa89e25cd3ae", kill_on_drop: false }` [INFO] [stdout] 3dc2fe7cde4166c8e8e772d041ecf7a6e84d969162b9ace1e52aaa89e25cd3ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 820cd862c002cf484a7d6d45b2256fb238c4b8c0ea62b9eb8e786ca73bd184d8 [INFO] running `Command { std: "docker" "start" "-a" "820cd862c002cf484a7d6d45b2256fb238c4b8c0ea62b9eb8e786ca73bd184d8", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking pdqsort v1.0.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand v0.4.6 [INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:277:52 [INFO] [stdout] | [INFO] [stdout] 277 | let mut offsets_l: [u8; BLOCK] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:284:52 [INFO] [stdout] | [INFO] [stdout] 284 | let mut offsets_r: [u8; BLOCK] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 128]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:277:47 [INFO] [stdout] | [INFO] [stdout] 277 | let mut offsets_l: [u8; BLOCK] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 128]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:284:47 [INFO] [stdout] | [INFO] [stdout] 284 | let mut offsets_r: [u8; BLOCK] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [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/lib.rs:811:25 [INFO] [stdout] | [INFO] [stdout] 811 | quicksort(v, |a, b| f(a).lt(&f(b))); [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/lib.rs:811:34 [INFO] [stdout] | [INFO] [stdout] 811 | quicksort(v, |a, b| f(a).lt(&f(b))); [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: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pdqsort` (lib) due to 3 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "820cd862c002cf484a7d6d45b2256fb238c4b8c0ea62b9eb8e786ca73bd184d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "820cd862c002cf484a7d6d45b2256fb238c4b8c0ea62b9eb8e786ca73bd184d8", kill_on_drop: false }` [INFO] [stdout] 820cd862c002cf484a7d6d45b2256fb238c4b8c0ea62b9eb8e786ca73bd184d8