[INFO] fetching crate hmmm 0.2.0... [INFO] checking hmmm-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate hmmm 0.2.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate hmmm 0.2.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate hmmm 0.2.0 [INFO] finished tweaking crates.io crate hmmm 0.2.0 [INFO] tweaked toml for crates.io crate hmmm 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 48 packages to latest compatible versions [INFO] [stderr] Adding counter v0.5.7 (available: v0.6.0) [INFO] [stderr] Adding getrandom v0.1.16 (available: v0.2.15) [INFO] [stderr] Adding itertools v0.9.0 (available: v0.13.0) [INFO] [stderr] Adding matrixmultiply v0.2.4 (available: v0.3.9) [INFO] [stderr] Adding ndarray v0.13.1 (available: v0.16.1) [INFO] [stderr] Adding num v0.1.42 (available: v0.4.3) [INFO] [stderr] Adding num-bigint v0.1.44 (available: v0.4.6) [INFO] [stderr] Adding num-complex v0.1.43 (available: v0.4.6) [INFO] [stderr] Adding num-complex v0.2.4 (available: v0.4.6) [INFO] [stderr] Adding num-rational v0.1.42 (available: v0.4.2) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [INFO] [stderr] Adding rand v0.7.3 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.5.1 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (available: v0.3.2) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (available: 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 308fd59b758ec0e400d0a3e41cb5ec493ff2ee89d8dce044bf99e305b2ee8540 [INFO] running `Command { std: "docker" "start" "-a" "308fd59b758ec0e400d0a3e41cb5ec493ff2ee89d8dce044bf99e305b2ee8540", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "308fd59b758ec0e400d0a3e41cb5ec493ff2ee89d8dce044bf99e305b2ee8540", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "308fd59b758ec0e400d0a3e41cb5ec493ff2ee89d8dce044bf99e305b2ee8540", kill_on_drop: false }` [INFO] [stdout] 308fd59b758ec0e400d0a3e41cb5ec493ff2ee89d8dce044bf99e305b2ee8540 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b8edf9e4eb3cc557e4d200ff2dbf81a506966962393a1cd94a4d3108bb75ca27 [INFO] running `Command { std: "docker" "start" "-a" "b8edf9e4eb3cc557e4d200ff2dbf81a506966962393a1cd94a4d3108bb75ca27", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking counter v0.5.7 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking spectral v0.6.0 [INFO] [stderr] Checking hmmm v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:158:83 [INFO] [stdout] | [INFO] [stdout] 158 | pub fn sampler<'a, R: Rng + ?Sized>(&'a self, rng: &'a mut R) -> HMMSampleIter { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `ndarray::ArrayBase, Dim<[usize; 1]>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:275:30 [INFO] [stdout] | [INFO] [stdout] 272 | .for_each(|(t, (forward, backward))| { [INFO] [stdout] | ------------------------ [INFO] [stdout] | | | [INFO] [stdout] | | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 275 | .assign(&(forward.p_states * backward).normalize("smooth")) [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] warning: method `l2_distance` is never used [INFO] [stdout] --> src/lib.rs:673:12 [INFO] [stdout] | [INFO] [stdout] 672 | pub trait ArrayFloat { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 673 | fn l2_distance(&self, rhs: &Self) -> T; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `sum` is never used [INFO] [stdout] --> src/lib.rs:700:12 [INFO] [stdout] | [INFO] [stdout] 696 | pub trait Array1Num [INFO] [stdout] | --------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 700 | fn sum(&self) -> T; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:750:17 [INFO] [stdout] | [INFO] [stdout] 750 | format!("Sum of {} must be positive", label) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 750 - format!("Sum of {} must be positive", label) [INFO] [stdout] 750 + "Sum of {} must be positive", label [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hmmm` (lib) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b8edf9e4eb3cc557e4d200ff2dbf81a506966962393a1cd94a4d3108bb75ca27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8edf9e4eb3cc557e4d200ff2dbf81a506966962393a1cd94a4d3108bb75ca27", kill_on_drop: false }` [INFO] [stdout] b8edf9e4eb3cc557e4d200ff2dbf81a506966962393a1cd94a4d3108bb75ca27