[INFO] fetching crate anndata 0.7.0...
[INFO] checking anndata-0.7.0 against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] extracting crate anndata 0.7.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate anndata 0.7.0
[INFO] finished tweaking crates.io crate anndata 0.7.0
[INFO] tweaked toml for crates.io crate anndata 0.7.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate anndata 0.7.0 on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate anndata 0.7.0 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a25b088d6eb0c95b79e64ab77d07b4a0471db6d04ac57cace7133b3447406671
[INFO] running `Command { std: "docker" "start" "a25b088d6eb0c95b79e64ab77d07b4a0471db6d04ac57cace7133b3447406671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a25b088d6eb0c95b79e64ab77d07b4a0471db6d04ac57cace7133b3447406671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a25b088d6eb0c95b79e64ab77d07b4a0471db6d04ac57cace7133b3447406671" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a25b088d6eb0c95b79e64ab77d07b4a0471db6d04ac57cace7133b3447406671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a25b088d6eb0c95b79e64ab77d07b4a0471db6d04ac57cace7133b3447406671" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] error[E0503]: cannot use `*columns` because it was mutably borrowed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-stream-0.53.0/src/nodes/io_sinks/components/par_utils.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout]  8 |       for fut in parallelize_first_to_local(
[INFO] [stdout]    |  ________________-
[INFO] [stdout]  9 | |         TaskPriority::Low,
[INFO] [stdout] 10 | |         columns.iter_mut().enumerate().filter_map(|(i, c)| {
[INFO] [stdout]    | |         ------- `*columns` is borrowed here
[INFO] [stdout] 11 | |             (c.n_chunks() > 1).then(|| {
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         }),
[INFO] [stdout] 16 | |     ) {
[INFO] [stdout]    | |_____- a temporary with access to the borrow is created here ...
[INFO] [stdout] 17 |           let (i, c) = fut.await;
[INFO] [stdout] 18 |           columns[i] = c;
[INFO] [stdout]    |           ^^^^^^^^^^ use of borrowed `*columns`
[INFO] [stdout] 19 |       }
[INFO] [stdout]    |       - ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `impl ExactSizeIterator + Iterator<Item = impl futures::Future<Output = (usize, polars_core::prelude::Column)> + std::marker::Send + 'static> + '_`
[INFO] [stdout]    |
[INFO] [stdout] note: this call may capture more lifetimes than intended, because Rust 2024 has adjusted the `impl Trait` lifetime capture rules
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-stream-0.53.0/src/nodes/io_sinks/components/par_utils.rs:8:16
[INFO] [stdout]    |
[INFO] [stdout]  8 |       for fut in parallelize_first_to_local(
[INFO] [stdout]    |  ________________^
[INFO] [stdout]  9 | |         TaskPriority::Low,
[INFO] [stdout] 10 | |         columns.iter_mut().enumerate().filter_map(|(i, c)| {
[INFO] [stdout] 11 | |             (c.n_chunks() > 1).then(|| {
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         }),
[INFO] [stdout] 16 | |     ) {
[INFO] [stdout]    | |_____^
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-stream-0.53.0/src/async_primitives/opt_spawned_future.rs:67:82
[INFO] [stdout]    |
[INFO] [stdout] 67 | ) -> impl ExactSizeIterator<Item = impl Future<Output = O> + Send + 'static> + 'o + use<'o, I, F, O>
[INFO] [stdout]    |                                                                                   ++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0506]: cannot assign to `columns[_]` because it is borrowed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-stream-0.53.0/src/nodes/io_sinks/components/par_utils.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout]  8 |       for fut in parallelize_first_to_local(
[INFO] [stdout]    |  ________________-
[INFO] [stdout]  9 | |         TaskPriority::Low,
[INFO] [stdout] 10 | |         columns.iter_mut().enumerate().filter_map(|(i, c)| {
[INFO] [stdout]    | |         ------- `columns[_]` is borrowed here
[INFO] [stdout] 11 | |             (c.n_chunks() > 1).then(|| {
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         }),
[INFO] [stdout] 16 | |     ) {
[INFO] [stdout]    | |_____- a temporary with access to the borrow is created here ...
[INFO] [stdout] 17 |           let (i, c) = fut.await;
[INFO] [stdout] 18 |           columns[i] = c;
[INFO] [stdout]    |           ^^^^^^^^^^ `columns[_]` is assigned to here but it was already borrowed
[INFO] [stdout] 19 |       }
[INFO] [stdout]    |       - ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `impl ExactSizeIterator + Iterator<Item = impl futures::Future<Output = (usize, polars_core::prelude::Column)> + std::marker::Send + 'static> + '_`
[INFO] [stdout]    |
[INFO] [stdout] note: this call may capture more lifetimes than intended, because Rust 2024 has adjusted the `impl Trait` lifetime capture rules
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-stream-0.53.0/src/nodes/io_sinks/components/par_utils.rs:8:16
[INFO] [stdout]    |
[INFO] [stdout]  8 |       for fut in parallelize_first_to_local(
[INFO] [stdout]    |  ________________^
[INFO] [stdout]  9 | |         TaskPriority::Low,
[INFO] [stdout] 10 | |         columns.iter_mut().enumerate().filter_map(|(i, c)| {
[INFO] [stdout] 11 | |             (c.n_chunks() > 1).then(|| {
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         }),
[INFO] [stdout] 16 | |     ) {
[INFO] [stdout]    | |_____^
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-stream-0.53.0/src/async_primitives/opt_spawned_future.rs:67:82
[INFO] [stdout]    |
[INFO] [stdout] 67 | ) -> impl ExactSizeIterator<Item = impl Future<Output = O> + Send + 'static> + 'o + use<'o, I, F, O>
[INFO] [stdout]    |                                                                                   ++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0503, E0506.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polars-stream` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a25b088d6eb0c95b79e64ab77d07b4a0471db6d04ac57cace7133b3447406671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25b088d6eb0c95b79e64ab77d07b4a0471db6d04ac57cace7133b3447406671", kill_on_drop: false }`
[INFO] [stdout] a25b088d6eb0c95b79e64ab77d07b4a0471db6d04ac57cace7133b3447406671
