[INFO] fetching crate read-structure 0.3.0...
[INFO] testing read-structure-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate read-structure 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate read-structure 0.3.0
[INFO] finished tweaking crates.io crate read-structure 0.3.0
[INFO] tweaked toml for crates.io crate read-structure 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate read-structure 0.3.0 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 read-structure 0.3.0 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-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_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] ebf17c949bcb3e23432989d72824879408bc85cee0abcb98ae4fe5ea04406f8e
[INFO] running `Command { std: "docker" "start" "-a" "ebf17c949bcb3e23432989d72824879408bc85cee0abcb98ae4fe5ea04406f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebf17c949bcb3e23432989d72824879408bc85cee0abcb98ae4fe5ea04406f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf17c949bcb3e23432989d72824879408bc85cee0abcb98ae4fe5ea04406f8e", kill_on_drop: false }`
[INFO] [stdout] ebf17c949bcb3e23432989d72824879408bc85cee0abcb98ae4fe5ea04406f8e
[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=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] cbc83ee1c251baa31ba7c149164020efae80046ce2037557a5ae51cf73ffc4d8
[INFO] running `Command { std: "docker" "start" "-a" "cbc83ee1c251baa31ba7c149164020efae80046ce2037557a5ae51cf73ffc4d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling strum v0.28.0
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]    Compiling read-structure v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "cbc83ee1c251baa31ba7c149164020efae80046ce2037557a5ae51cf73ffc4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc83ee1c251baa31ba7c149164020efae80046ce2037557a5ae51cf73ffc4d8", kill_on_drop: false }`
[INFO] [stdout] cbc83ee1c251baa31ba7c149164020efae80046ce2037557a5ae51cf73ffc4d8
[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=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] cdfb174f363cd589ed24607f891c4582e1f17c40b3203c5247bb503c41e07e8d
[INFO] running `Command { std: "docker" "start" "-a" "cdfb174f363cd589ed24607f891c4582e1f17c40b3203c5247bb503c41e07e8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling read-structure v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "cdfb174f363cd589ed24607f891c4582e1f17c40b3203c5247bb503c41e07e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdfb174f363cd589ed24607f891c4582e1f17c40b3203c5247bb503c41e07e8d", kill_on_drop: false }`
[INFO] [stdout] cdfb174f363cd589ed24607f891c4582e1f17c40b3203c5247bb503c41e07e8d
[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=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] dc52b41290fffadc281ed07cdac0dc7ba6af8ec3acb3d94829a81d4098c10955
[INFO] running `Command { std: "docker" "start" "-a" "dc52b41290fffadc281ed07cdac0dc7ba6af8ec3acb3d94829a81d4098c10955", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/read_structure-e75d450f4e1d5062)
[INFO] [stdout] 
[INFO] [stdout] running 66 tests
[INFO] [stdout] test read_segment::test::test_read_segment_from_str ... ok
[INFO] [stdout] test read_segment::test::test_read_segment_length ... ok
[INFO] [stdout] test read_segment::test::test_read_segment_to_string ... ok
[INFO] [stdout] test read_structure::test::test_accepts_leading_plus ... ok
[INFO] [stdout] test read_structure::test::test_accepts_middle_plus_between_fixed_runs ... ok
[INFO] [stdout] test read_structure::test::test_extract_errors_on_bases_quals_length_mismatch ... ok
[INFO] [stdout] test read_structure::test::test_extract_allows_read_exactly_fixed_len_when_no_plus ... ok
[INFO] [stdout] test read_structure::test::test_accepts_middle_plus ... ok
[INFO] [stdout] test read_structure::test::test_extract_errors_when_read_exactly_fixed_len_but_plus_present ... ok
[INFO] [stdout] test read_structure::test::test_extract_leading_plus ... ok
[INFO] [stdout] test read_structure::test::test_extract_errors_when_read_too_long_for_fixed ... ok
[INFO] [stdout] test read_structure::test::test_extract_errors_when_read_too_short_for_fixed ... ok
[INFO] [stdout] test read_structure::test::test_extract_fixed_length ... ok
[INFO] [stdout] test read_structure::test::test_extract_include_skips_false_drops_skip ... ok
[INFO] [stdout] test read_structure::test::test_extract_plus_only_structure ... ok
[INFO] [stdout] test read_structure::test::test_extract_plus_yields_one_base_at_minimum_length ... ok
[INFO] [stdout] test read_structure::test::test_fixed_length_none_for_middle_plus ... ok
[INFO] [stdout] test read_structure::test::test_has_fixed_length_middle_plus ... ok
[INFO] [stdout] test read_structure::test::test_extract_middle_plus ... ok
[INFO] [stdout] test read_structure::test::test_extract_multiple_post_plus_segments ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_from_str ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_collect_segments ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_from_str_invalid_1 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_accepts_plus_at_any_position_once ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_from_str_invalid_2 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_from_str_invalid_3 ... ok
[INFO] [stdout] test read_structure::test::test_extract_allows_extra_bases_when_plus_present ... ok
[INFO] [stdout] test read_structure::test::test_extract_trailing_plus ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_from_str_invalid_0 ... ok
[INFO] [stdout] test read_structure::test::test_extract_multiple_pre_plus_and_post_plus ... ok
[INFO] [stdout] test read_structure::test::test_has_fixed_length_strict ... ok
[INFO] [stdout] test read_structure::test::test_extract_include_skips_true_keeps_skip ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_0 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_from_str_with_whitespace ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_10 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_1 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_11 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_2 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_12 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_3 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_4 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_32 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_5 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_from_str_invalid_4 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_7 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_8 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_6 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_index_9 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_length_5 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_length_6 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_length_1 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_length_0 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_length_4 ... ok
[INFO] [stdout] test segment_type::test::test_invalid_segment_type ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_length_2 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_rejects_multiple_plus_3 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_length_3 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_rejects_multiple_plus_4 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_length_7 ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_rejects_multiple_plus_1 ... ok
[INFO] [stdout] test segment_type::test::test_segment_type_from_str ... ok
[INFO] [stdout] test segment_type::test::test_segment_type_round_trip ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_rejects_multiple_plus_2 ... ok
[INFO] [stdout] test segment_type::test::test_invalid_segment_type_string ... ok
[INFO] [stdout] test read_structure::test::test_read_structure_rejects_multiple_plus_0 ... ok
[INFO] [stdout] test read_segment::test::test_read_segment_fixed_length_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 66 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests read_structure
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.94s; merged doctests compilation took 0.92s
[INFO] running `Command { std: "docker" "inspect" "dc52b41290fffadc281ed07cdac0dc7ba6af8ec3acb3d94829a81d4098c10955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc52b41290fffadc281ed07cdac0dc7ba6af8ec3acb3d94829a81d4098c10955", kill_on_drop: false }`
[INFO] [stdout] dc52b41290fffadc281ed07cdac0dc7ba6af8ec3acb3d94829a81d4098c10955
