[INFO] fetching crate ducky-learn 0.2.1... [INFO] checking ducky-learn-0.2.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate ducky-learn 0.2.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate ducky-learn 0.2.1 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 ducky-learn 0.2.1 [INFO] finished tweaking crates.io crate ducky-learn 0.2.1 [INFO] tweaked toml for crates.io crate ducky-learn 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate ducky-learn 0.2.1 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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1ff657a63756057a1a68408b73c6e4bbc7763df28c13fa34fba56d613b1bc7d8 [INFO] running `Command { std: "docker" "start" "-a" "1ff657a63756057a1a68408b73c6e4bbc7763df28c13fa34fba56d613b1bc7d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ff657a63756057a1a68408b73c6e4bbc7763df28c13fa34fba56d613b1bc7d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ff657a63756057a1a68408b73c6e4bbc7763df28c13fa34fba56d613b1bc7d8", kill_on_drop: false }` [INFO] [stdout] 1ff657a63756057a1a68408b73c6e4bbc7763df28c13fa34fba56d613b1bc7d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5534dede6ddcc603bb80cf83bae7de5621ec7e944c7e17ed011dbcfb77dc0e5c [INFO] running `Command { std: "docker" "start" "-a" "5534dede6ddcc603bb80cf83bae7de5621ec7e944c7e17ed011dbcfb77dc0e5c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling libm v0.2.7 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling matrixmultiply v0.3.7 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking mnist v0.5.0 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking ndarray-rand v0.14.0 [INFO] [stderr] Checking ducky-learn v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `ArrayBase, Dim<[usize; 1]>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/cost.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 5 | observed_array: Array1, [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 6 | predicted_array: Array1, [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 7 | ) -> Array1 { [INFO] [stdout] 8 | (&observed_array - &predicted_array).mapv(|value| value.powi(2)) [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 `ArrayBase, Dim<[usize; 1]>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/cost.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 5 | observed_array: Array1, [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 6 | predicted_array: Array1, [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 7 | ) -> Array1 { [INFO] [stdout] 8 | (&observed_array - &predicted_array).mapv(|value| value.powi(2)) [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 `ducky-learn` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ducky-learn` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "5534dede6ddcc603bb80cf83bae7de5621ec7e944c7e17ed011dbcfb77dc0e5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5534dede6ddcc603bb80cf83bae7de5621ec7e944c7e17ed011dbcfb77dc0e5c", kill_on_drop: false }` [INFO] [stdout] 5534dede6ddcc603bb80cf83bae7de5621ec7e944c7e17ed011dbcfb77dc0e5c