[INFO] fetching crate rustyhdf5-io 1.93.0...
[INFO] testing rustyhdf5-io-1.93.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rustyhdf5-io 1.93.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rustyhdf5-io 1.93.0
[INFO] finished tweaking crates.io crate rustyhdf5-io 1.93.0
[INFO] tweaked toml for crates.io crate rustyhdf5-io 1.93.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustyhdf5-io 1.93.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustyhdf5-io 1.93.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aec8806b9bb1a2f19afd53e39c5591b45e41ed679c74ce659717f2fe89c69c2
[INFO] running `Command { std: "docker" "start" "-a" "7aec8806b9bb1a2f19afd53e39c5591b45e41ed679c74ce659717f2fe89c69c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aec8806b9bb1a2f19afd53e39c5591b45e41ed679c74ce659717f2fe89c69c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aec8806b9bb1a2f19afd53e39c5591b45e41ed679c74ce659717f2fe89c69c2", kill_on_drop: false }`
[INFO] [stdout] 7aec8806b9bb1a2f19afd53e39c5591b45e41ed679c74ce659717f2fe89c69c2
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 401ca80b7a0e6f9206ffd4a3067c1eb6939079d8e94bf98a199309876046ffef
[INFO] running `Command { std: "docker" "start" "-a" "401ca80b7a0e6f9206ffd4a3067c1eb6939079d8e94bf98a199309876046ffef", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling rustyhdf5-format v1.93.0
[INFO] [stderr]    Compiling rustyhdf5-io v1.93.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "401ca80b7a0e6f9206ffd4a3067c1eb6939079d8e94bf98a199309876046ffef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401ca80b7a0e6f9206ffd4a3067c1eb6939079d8e94bf98a199309876046ffef", kill_on_drop: false }`
[INFO] [stdout] 401ca80b7a0e6f9206ffd4a3067c1eb6939079d8e94bf98a199309876046ffef
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7528a7b142350576cb32811b990742b5f23ba4cb0a37a72e7eb993b683cf9679
[INFO] running `Command { std: "docker" "start" "-a" "7528a7b142350576cb32811b990742b5f23ba4cb0a37a72e7eb993b683cf9679", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling rustyhdf5-io v1.93.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.75s
[INFO] running `Command { std: "docker" "inspect" "7528a7b142350576cb32811b990742b5f23ba4cb0a37a72e7eb993b683cf9679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7528a7b142350576cb32811b990742b5f23ba4cb0a37a72e7eb993b683cf9679", kill_on_drop: false }`
[INFO] [stdout] 7528a7b142350576cb32811b990742b5f23ba4cb0a37a72e7eb993b683cf9679
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f925fb5720842fcb4afcc719877e8faaf87b8bfd55628eb02635e367de2ce99c
[INFO] running `Command { std: "docker" "start" "-a" "f925fb5720842fcb4afcc719877e8faaf87b8bfd55628eb02635e367de2ce99c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustyhdf5_io-6c26667d31f99792)
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stdout] test prefetch::tests::prefetch_reader_into_inner ... ok
[INFO] [stdout] test prefetch::tests::prefetch_reader_out_of_bounds ... ok
[INFO] [stdout] test prefetch::tests::prefetch_reader_uses_cache ... ok
[INFO] [stdout] test prefetch::tests::preload_ranges_into_ring_buffer ... ok
[INFO] [stdout] test prefetch::tests::random_access_no_false_sweep ... ok
[INFO] [stdout] test prefetch::tests::ring_buffer_eviction ... ok
[INFO] [stdout] test prefetch::tests::prefetch_reader_inner_access ... ok
[INFO] [stdout] test prefetch::tests::sweep_detector_reset ... ok
[INFO] [stdout] test prefetch::tests::sweep_detector_random_gives_no_predictions ... ok
[INFO] [stdout] test prefetch::tests::sweep_detector_sliding_window ... ok
[INFO] [stdout] test prefetch::tests::sweep_prefetch_reduces_misses ... ok
[INFO] [stdout] test sweep::tests::detect_and_predict_roundtrip ... ok
[INFO] [stdout] test sweep::tests::detect_column_major_3d ... ok
[INFO] [stdout] test sweep::tests::detect_random_pattern ... ok
[INFO] [stdout] test sweep::tests::detect_row_major_2d ... ok
[INFO] [stdout] test sweep::tests::false_positive_avoidance_alternating ... ok
[INFO] [stdout] test sweep::tests::false_positive_avoidance_diagonal ... ok
[INFO] [stdout] test sweep::tests::predict_column_major_2d ... ok
[INFO] [stdout] test sweep::tests::predict_random_returns_empty ... ok
[INFO] [stdout] test sweep::tests::predict_row_major_2d ... ok
[INFO] [stdout] test sweep::tests::predict_slice_major_3d ... ok
[INFO] [stdout] test sweep::tests::predict_too_few_history ... ok
[INFO] [stdout] test tests::borrowed_reader_basic ... ok
[INFO] [stdout] test tests::borrowed_reader_empty ... ok
[INFO] [stdout] test tests::file_reader_nonexistent ... ok
[INFO] [stdout] test tests::file_writer_create_and_write ... ok
[INFO] [stdout] test tests::file_reader_roundtrip ... ok
[INFO] [stdout] test tests::file_reader_from_file ... ok
[INFO] [stdout] test tests::file_writer_overwrite ... ok
[INFO] [stdout] test tests::file_writer_flush_to_disk ... ok
[INFO] [stdout] test tests::memory_reader_empty ... ok
[INFO] [stdout] test tests::hdf5_file_via_memory_reader ... ok
[INFO] [stdout] test prefetch::tests::prefetch_reader_hdf5_read_trait ... ok
[INFO] [stdout] test tests::memory_reader_into_inner ... ok
[INFO] [stdout] test tests::memory_reader_from_vec ... ok
[INFO] [stdout] test prefetch::tests::prefetch_reader_basic_read ... ok
[INFO] [stdout] test prefetch::tests::sweep_detector_detects_column_major ... ok
[INFO] [stdout] test prefetch::tests::sweep_detector_detects_row_major ... ok
[INFO] [stdout] test sweep::tests::detect_random_empty ... ok
[INFO] [stdout] test sweep::tests::detect_slice_major_3d ... ok
[INFO] [stdout] test tests::hdf5_file_via_file_reader_writer ... ok
[INFO] [stdout] test prefetch::tests::prefetch_reader_partial_last_chunk ... ok
[INFO] [stderr]    Doc-tests rustyhdf5_io
[INFO] [stdout] test prefetch::tests::prefetch_reader_sequential_chunks ... ok
[INFO] [stdout] test prefetch::tests::sweep_detector_3d_slice_major ... ok
[INFO] [stdout] test sweep::tests::detect_column_major_2d ... ok
[INFO] [stdout] test sweep::tests::detect_random_too_few_entries ... ok
[INFO] [stdout] test sweep::tests::detect_row_major_3d ... ok
[INFO] [stdout] test tests::file_writer_path ... ok
[INFO] [stdout] test tests::memory_reader_from_slice ... ok
[INFO] [stdout] test tests::memory_reader_write_replaces_content ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 50 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f925fb5720842fcb4afcc719877e8faaf87b8bfd55628eb02635e367de2ce99c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f925fb5720842fcb4afcc719877e8faaf87b8bfd55628eb02635e367de2ce99c", kill_on_drop: false }`
[INFO] [stdout] f925fb5720842fcb4afcc719877e8faaf87b8bfd55628eb02635e367de2ce99c
