[INFO] fetching crate hyperloglogplus 0.4.1... [INFO] checking hyperloglogplus-0.4.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate hyperloglogplus 0.4.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate hyperloglogplus 0.4.1 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 hyperloglogplus 0.4.1 [INFO] finished tweaking crates.io crate hyperloglogplus 0.4.1 [INFO] tweaked toml for crates.io crate hyperloglogplus 0.4.1 written to /workspace/builds/worker-0-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 24 packages to latest compatible versions [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.15) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding siphasher v0.3.11 (latest: v1.0.1) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0d42bb58827d76e8db445a4e2c49bb444afe5448e6529b188f33ee6f3b2bea14 [INFO] running `Command { std: "docker" "start" "-a" "0d42bb58827d76e8db445a4e2c49bb444afe5448e6529b188f33ee6f3b2bea14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d42bb58827d76e8db445a4e2c49bb444afe5448e6529b188f33ee6f3b2bea14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d42bb58827d76e8db445a4e2c49bb444afe5448e6529b188f33ee6f3b2bea14", kill_on_drop: false }` [INFO] [stdout] 0d42bb58827d76e8db445a4e2c49bb444afe5448e6529b188f33ee6f3b2bea14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b4ae78cf54c6b77df7a9c7f9d01ce62e3a389c3673b8b72dc918758430a52031 [INFO] running `Command { std: "docker" "start" "-a" "b4ae78cf54c6b77df7a9c7f9d01ce62e3a389c3673b8b72dc918758430a52031", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking siphasher v0.3.11 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking hyperloglogplus v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `estimate_raw` is never used [INFO] [stdout] --> src/common.rs:150:8 [INFO] [stdout] | [INFO] [stdout] 145 | pub trait HyperLogLogCommon { [INFO] [stdout] | ----------------- associated function in this trait [INFO] [stdout] ... [INFO] [stdout] 150 | fn estimate_raw(registers: I, count: usize) -> (f64, usize) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/hyperloglog.rs:77:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn new(precision: u8, builder: B) -> Result { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 77 | Ok(HyperLogLogPF { [INFO] [stdout] | ____________^ [INFO] [stdout] 78 | | builder: builder, [INFO] [stdout] 79 | | count: count, [INFO] [stdout] 80 | | precision: precision, [INFO] [stdout] 81 | | registers: Registers::with_count(count), [INFO] [stdout] 82 | | phantom: PhantomData, [INFO] [stdout] 83 | | }) [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/hyperloglogplus.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn new(precision: u8, builder: B) -> Result { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 97 | Ok(HyperLogLogPlus { [INFO] [stdout] | ____________^ [INFO] [stdout] 98 | | builder: builder, [INFO] [stdout] 99 | | precision: precision, [INFO] [stdout] 100 | | counts: counts, [INFO] [stdout] ... | [INFO] [stdout] 104 | | phantom: PhantomData, [INFO] [stdout] 105 | | }) [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/hyperloglogplus.rs:246:40 [INFO] [stdout] | [INFO] [stdout] 246 | .and_then(|registers| Some(registers.iter())) [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 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hyperloglogplus` (lib) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b4ae78cf54c6b77df7a9c7f9d01ce62e3a389c3673b8b72dc918758430a52031", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4ae78cf54c6b77df7a9c7f9d01ce62e3a389c3673b8b72dc918758430a52031", kill_on_drop: false }` [INFO] [stdout] b4ae78cf54c6b77df7a9c7f9d01ce62e3a389c3673b8b72dc918758430a52031