[INFO] fetching crate seq_chunking 0.1.0...
[INFO] testing seq_chunking-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate seq_chunking 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate seq_chunking 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate seq_chunking 0.1.0
[INFO] tweaked toml for crates.io crate seq_chunking 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seq_chunking 0.1.0 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 seq_chunking 0.1.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f2365e3542a1c125f5a8a24ab4fda280fe43529aa07b2a10a036fbe0d4d87a98
[INFO] running `Command { std: "docker" "start" "-a" "f2365e3542a1c125f5a8a24ab4fda280fe43529aa07b2a10a036fbe0d4d87a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2365e3542a1c125f5a8a24ab4fda280fe43529aa07b2a10a036fbe0d4d87a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2365e3542a1c125f5a8a24ab4fda280fe43529aa07b2a10a036fbe0d4d87a98", kill_on_drop: false }`
[INFO] [stdout] f2365e3542a1c125f5a8a24ab4fda280fe43529aa07b2a10a036fbe0d4d87a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e8dd83d37cbecdd7a75d49f83558abdcd3e9aa90d64406f1df22bab846f59b6d
[INFO] running `Command { std: "docker" "start" "-a" "e8dd83d37cbecdd7a75d49f83558abdcd3e9aa90d64406f1df22bab846f59b6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling seq_chunking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "e8dd83d37cbecdd7a75d49f83558abdcd3e9aa90d64406f1df22bab846f59b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8dd83d37cbecdd7a75d49f83558abdcd3e9aa90d64406f1df22bab846f59b6d", kill_on_drop: false }`
[INFO] [stdout] e8dd83d37cbecdd7a75d49f83558abdcd3e9aa90d64406f1df22bab846f59b6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9b34185dd6474c9edb3f10cde47f6397849682cfaf30f0a96a0a87084f3bc318
[INFO] running `Command { std: "docker" "start" "-a" "9b34185dd6474c9edb3f10cde47f6397849682cfaf30f0a96a0a87084f3bc318", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.6.0
[INFO] [stderr]    Compiling seq_chunking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> examples/basic_usage.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Instant;
[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: `ChunkingConfig`
[INFO] [stdout]    --> src/utils.rs:229:30
[INFO] [stdout]     |
[INFO] [stdout] 229 |     use crate::{SeqChunking, ChunkingConfig};
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/utils.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let mut temp_file = NamedTempFile::new().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.23s
[INFO] running `Command { std: "docker" "inspect" "9b34185dd6474c9edb3f10cde47f6397849682cfaf30f0a96a0a87084f3bc318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b34185dd6474c9edb3f10cde47f6397849682cfaf30f0a96a0a87084f3bc318", kill_on_drop: false }`
[INFO] [stdout] 9b34185dd6474c9edb3f10cde47f6397849682cfaf30f0a96a0a87084f3bc318
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 592a8e9d485c73bdaa6e0ececce3aae2ba91b7e9a0193cf49171124cd6871c85
[INFO] running `Command { std: "docker" "start" "-a" "592a8e9d485c73bdaa6e0ececce3aae2ba91b7e9a0193cf49171124cd6871c85", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ChunkingConfig`
[INFO] [stderr]    --> src/utils.rs:229:30
[INFO] [stderr]     |
[INFO] [stderr] 229 |     use crate::{SeqChunking, ChunkingConfig};
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/utils.rs:300:13
[INFO] [stderr]     |
[INFO] [stderr] 300 |         let mut temp_file = NamedTempFile::new().unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]   --> examples/basic_usage.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::time::Instant;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `seq_chunking` (lib test) generated 2 warnings (run `cargo fix --lib -p seq_chunking --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `seq_chunking` (example "basic_usage") generated 1 warning (run `cargo fix --example "basic_usage" -p seq_chunking` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/seq_chunking-fe6f268065b930c0)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test chunker::tests::test_chunk_properties ... ok
[INFO] [stdout] test chunker::tests::test_find_cutpoint_increasing ... ok
[INFO] [stdout] test chunker::tests::test_seq_chunking_from_config ... ok
[INFO] [stdout] test chunker::tests::test_chunking_stats ... ok
[INFO] [stdout] test chunker::tests::test_seq_chunking_new ... ok
[INFO] [stdout] test config::tests::test_default_config ... ok
[INFO] [stdout] test config::tests::test_invalid_block_sizes ... ok
[INFO] [stdout] test chunker::tests::test_decreasing_mode ... ok
[INFO] [stdout] test config::tests::test_invalid_config ... ok
[INFO] [stdout] test error::tests::test_error_display ... ok
[INFO] [stdout] test error::tests::test_error_from_io ... ok
[INFO] [stdout] test tests::test_library_basic_usage ... ok
[INFO] [stdout] test utils::tests::test_chunk_coverage_validation ... ok
[INFO] [stdout] test utils::tests::test_chunk_verification ... ok
[INFO] [stdout] test chunker::tests::test_chunk_iterator ... ok
[INFO] [stdout] test utils::tests::test_test_data_generation ... ok
[INFO] [stdout] test config::tests::test_builder_pattern ... ok
[INFO] [stdout] test utils::tests::test_performance_utils ... ok
[INFO] [stdout] test utils::tests::test_file_read_write ... ok
[INFO] [stdout] test utils::tests::test_write_chunks_to_file ... ok
[INFO] [stdout] test chunker::tests::test_find_cutpoint_small_size ... ok
[INFO] [stderr]    Doc-tests seq_chunking
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.56s; merged doctests compilation took 0.55s
[INFO] running `Command { std: "docker" "inspect" "592a8e9d485c73bdaa6e0ececce3aae2ba91b7e9a0193cf49171124cd6871c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "592a8e9d485c73bdaa6e0ececce3aae2ba91b7e9a0193cf49171124cd6871c85", kill_on_drop: false }`
[INFO] [stdout] 592a8e9d485c73bdaa6e0ececce3aae2ba91b7e9a0193cf49171124cd6871c85
