[INFO] fetching crate seekable-async-file 0.15.0...
[INFO] testing seekable-async-file-0.15.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate seekable-async-file 0.15.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate seekable-async-file 0.15.0
[INFO] finished tweaking crates.io crate seekable-async-file 0.15.0
[INFO] tweaked toml for crates.io crate seekable-async-file 0.15.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seekable-async-file 0.15.0 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 seekable-async-file 0.15.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cec7744b293c6f36d48adfdc2416a06e0ba7aeeac29446d0d69939027b614c31
[INFO] running `Command { std: "docker" "start" "-a" "cec7744b293c6f36d48adfdc2416a06e0ba7aeeac29446d0d69939027b614c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cec7744b293c6f36d48adfdc2416a06e0ba7aeeac29446d0d69939027b614c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec7744b293c6f36d48adfdc2416a06e0ba7aeeac29446d0d69939027b614c31", kill_on_drop: false }`
[INFO] [stdout] cec7744b293c6f36d48adfdc2416a06e0ba7aeeac29446d0d69939027b614c31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 822fe4adda6356debf34fa32a975cd41f6b648ce55e1ffe115de3a90d29e699d
[INFO] running `Command { std: "docker" "start" "-a" "822fe4adda6356debf34fa32a975cd41f6b648ce55e1ffe115de3a90d29e699d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling signal-future v0.0.1
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling off64 v0.9.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling seekable-async-file v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.97s
[INFO] running `Command { std: "docker" "inspect" "822fe4adda6356debf34fa32a975cd41f6b648ce55e1ffe115de3a90d29e699d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822fe4adda6356debf34fa32a975cd41f6b648ce55e1ffe115de3a90d29e699d", kill_on_drop: false }`
[INFO] [stdout] 822fe4adda6356debf34fa32a975cd41f6b648ce55e1ffe115de3a90d29e699d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7cde024ed066b9e36260c4392026090b197d01b1f704a4dd7e2037548e7a3d84
[INFO] running `Command { std: "docker" "start" "-a" "7cde024ed066b9e36260c4392026090b197d01b1f704a4dd7e2037548e7a3d84", kill_on_drop: false }`
[INFO] [stderr]    Compiling seekable-async-file v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "7cde024ed066b9e36260c4392026090b197d01b1f704a4dd7e2037548e7a3d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cde024ed066b9e36260c4392026090b197d01b1f704a4dd7e2037548e7a3d84", kill_on_drop: false }`
[INFO] [stdout] 7cde024ed066b9e36260c4392026090b197d01b1f704a4dd7e2037548e7a3d84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e5fbd6023ae9a4d777be6f1606ed63e6d5af460a71c31c52c341cde3c54baa11
[INFO] running `Command { std: "docker" "start" "-a" "e5fbd6023ae9a4d777be6f1606ed63e6d5af460a71c31c52c341cde3c54baa11", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/seekable_async_file-b4314251bc7c9a11)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test merge::tests::test_merge_alternating_overlaps ... ok
[INFO] [stdout] test merge::tests::test_merge_adjacent_not_merged ... ok
[INFO] [stdout] test merge::tests::test_merge_complete_overlap_later_wins ... ok
[INFO] [stdout] test merge::tests::test_merge_identical_offsets_later_wins ... ok
[INFO] [stdout] test merge::tests::test_merge_large_span_over_many_small ... ok
[INFO] [stdout] test merge::tests::test_merge_multiple_overlaps_later_wins ... ok
[INFO] [stdout] test merge::tests::test_merge_no_writes ... ok
[INFO] [stdout] test merge::tests::test_merge_non_overlapping_gaps ... ok
[INFO] [stdout] test merge::tests::test_merge_non_overlapping_sequential ... ok
[INFO] [stdout] test merge::tests::test_merge_preserves_data_correctly ... ok
[INFO] [stdout] test merge::tests::test_merge_out_of_order_offsets ... ok
[INFO] [stdout] test merge::tests::test_merge_same_byte_overwritten_multiple_times ... ok
[INFO] [stdout] test merge::tests::test_merge_single_write ... ok
[INFO] [stdout] test merge::tests::test_merge_write_extends_right ... ok
[INFO] [stdout] test merge::tests::test_merge_partial_overlap_at_end ... ok
[INFO] [stdout] test merge::tests::test_merge_write_inside_another ... ok
[INFO] [stdout] test merge::tests::test_merge_write_extends_left ... ok
[INFO] [stdout] test merge::tests::test_merge_zero_length_not_supported ... ok
[INFO] [stdout] test merge::tests::test_merge_write_spans_multiple ... ok
[INFO] [stdout] test merge::tests::test_merge_partial_overlap_at_start ... ok
[INFO] [stdout] test merge::tests::test_merge_complex_overlapping_sequence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests seekable_async_file
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/merge.rs - merge::merge_overlapping_writes (line 17) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5fbd6023ae9a4d777be6f1606ed63e6d5af460a71c31c52c341cde3c54baa11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5fbd6023ae9a4d777be6f1606ed63e6d5af460a71c31c52c341cde3c54baa11", kill_on_drop: false }`
[INFO] [stdout] e5fbd6023ae9a4d777be6f1606ed63e6d5af460a71c31c52c341cde3c54baa11
