[INFO] fetching crate anndata-memory 1.0.7...
[INFO] checking anndata-memory-1.0.7 against try#ce3348c21531b911ca5aadbbbe7ad63a1bc4c382 for pr-149596
[INFO] extracting crate anndata-memory 1.0.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate anndata-memory 1.0.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate anndata-memory 1.0.7
[INFO] tweaked toml for crates.io crate anndata-memory 1.0.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate anndata-memory 1.0.7 on toolchain ce3348c21531b911ca5aadbbbe7ad63a1bc4c382
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce3348c21531b911ca5aadbbbe7ad63a1bc4c382" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate anndata-memory 1.0.7 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" "+ce3348c21531b911ca5aadbbbe7ad63a1bc4c382" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 3903fc0fa270e2d22cbe55b9b29907a55b885432fa2bb04749478418b0859550
[INFO] running `Command { std: "docker" "start" "-a" "3903fc0fa270e2d22cbe55b9b29907a55b885432fa2bb04749478418b0859550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3903fc0fa270e2d22cbe55b9b29907a55b885432fa2bb04749478418b0859550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3903fc0fa270e2d22cbe55b9b29907a55b885432fa2bb04749478418b0859550", kill_on_drop: false }`
[INFO] [stdout] 3903fc0fa270e2d22cbe55b9b29907a55b885432fa2bb04749478418b0859550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+ce3348c21531b911ca5aadbbbe7ad63a1bc4c382" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/converter.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 |         match (data) {
[INFO] [stdout]    |               ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -         match (data) {
[INFO] [stdout] 88 +         match data  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data::DataFrameIndex`
[INFO] [stdout]  --> src/loader.rs:5:39
[INFO] [stdout]   |
[INFO] [stdout] 5 | use anndata::{backend::DataContainer, data::DataFrameIndex, ArrayData, Backend, Data, Readable};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/converter.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 |         match (data) {
[INFO] [stdout]    |               ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -         match (data) {
[INFO] [stdout] 88 +         match data  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data::DataFrameIndex`
[INFO] [stdout]  --> src/loader.rs:5:39
[INFO] [stdout]   |
[INFO] [stdout] 5 | use anndata::{backend::DataContainer, data::DataFrameIndex, ArrayData, Backend, Data, Readable};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ElemCollectionOp`
[INFO] [stdout]  --> src/converter.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ElemCollectionOp,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayElemOp`
[INFO] [stdout]  --> src/chunked_loader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ArrayElemOp,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ElemCollectionOp`
[INFO] [stdout]  --> src/converter.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ElemCollectionOp,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayElemOp`
[INFO] [stdout]  --> src/chunked_loader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ArrayElemOp,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]   --> src/concat/mod.rs:10:57
[INFO] [stdout]    |
[INFO] [stdout] 10 | ..._to_memory<P: AsRef<Path>>(paths: &[P], load_strategy: Option<LoadingStrategy>, merge_strategy: Option<ConcatStrategy>) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `load_strategy`
[INFO] [stdout]   --> src/concat/mod.rs:10:70
[INFO] [stdout]    |
[INFO] [stdout] 10 | ...ath>>(paths: &[P], load_strategy: Option<LoadingStrategy>, merge_strategy: Option<ConcatStrategy>) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_load_strategy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `merge_strategy`
[INFO] [stdout]   --> src/concat/mod.rs:10:110
[INFO] [stdout]    |
[INFO] [stdout] 10 | ...LoadingStrategy>, merge_strategy: Option<ConcatStrategy>) {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_merge_strategy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_csc_matrix` is never used
[INFO] [stdout]    --> src/utils/mod.rs:473:8
[INFO] [stdout]     |
[INFO] [stdout] 473 | pub fn build_csc_matrix<T>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_csc_optimized` is never used
[INFO] [stdout]   --> src/optimized_loader.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn load_csc_optimized<B: Backend>(container: &DataContainer<B>) -> anyhow::Result<ArrayData> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concat_datasets_backed_to_memory` is never used
[INFO] [stdout]   --> src/concat/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn concat_datasets_backed_to_memory<P: AsRef<Path>>(paths: &[P], load_strategy: Option<LoadingStrategy>, merge_strategy: Option<...
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]   --> src/concat/mod.rs:10:57
[INFO] [stdout]    |
[INFO] [stdout] 10 | ..._to_memory<P: AsRef<Path>>(paths: &[P], load_strategy: Option<LoadingStrategy>, merge_strategy: Option<ConcatStrategy>) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `load_strategy`
[INFO] [stdout]   --> src/concat/mod.rs:10:70
[INFO] [stdout]    |
[INFO] [stdout] 10 | ...ath>>(paths: &[P], load_strategy: Option<LoadingStrategy>, merge_strategy: Option<ConcatStrategy>) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_load_strategy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `merge_strategy`
[INFO] [stdout]   --> src/concat/mod.rs:10:110
[INFO] [stdout]    |
[INFO] [stdout] 10 | ...LoadingStrategy>, merge_strategy: Option<ConcatStrategy>) {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_merge_strategy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_csc_matrix` is never used
[INFO] [stdout]    --> src/utils/mod.rs:473:8
[INFO] [stdout]     |
[INFO] [stdout] 473 | pub fn build_csc_matrix<T>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_csc_optimized` is never used
[INFO] [stdout]   --> src/optimized_loader.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn load_csc_optimized<B: Backend>(container: &DataContainer<B>) -> anyhow::Result<ArrayData> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concat_datasets_backed_to_memory` is never used
[INFO] [stdout]   --> src/concat/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn concat_datasets_backed_to_memory<P: AsRef<Path>>(paths: &[P], load_strategy: Option<LoadingStrategy>, merge_strategy: Option<...
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "06ea88da80739caf7581d1406809fa84d5c955d61b1a1c3b4a969859efa18bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ea88da80739caf7581d1406809fa84d5c955d61b1a1c3b4a969859efa18bed", kill_on_drop: false }`
[INFO] [stdout] 06ea88da80739caf7581d1406809fa84d5c955d61b1a1c3b4a969859efa18bed
