[INFO] fetching crate nanobit 0.2.0...
[INFO] testing nanobit-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate nanobit 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nanobit 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nanobit 0.2.0
[INFO] tweaked toml for crates.io crate nanobit 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nanobit 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nanobit 0.2.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb1b5c8d5f291decdfe1d744c8741765e4f17cba5cd309a8530790d7af9c60fd
[INFO] running `Command { std: "docker" "start" "-a" "bb1b5c8d5f291decdfe1d744c8741765e4f17cba5cd309a8530790d7af9c60fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb1b5c8d5f291decdfe1d744c8741765e4f17cba5cd309a8530790d7af9c60fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1b5c8d5f291decdfe1d744c8741765e4f17cba5cd309a8530790d7af9c60fd", kill_on_drop: false }`
[INFO] [stdout] bb1b5c8d5f291decdfe1d744c8741765e4f17cba5cd309a8530790d7af9c60fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cf8343f38fe6719c128b7985d93fdb0ce0ea3285405e2717aa205e66c31e45c
[INFO] running `Command { std: "docker" "start" "-a" "2cf8343f38fe6719c128b7985d93fdb0ce0ea3285405e2717aa205e66c31e45c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling twox-hash v2.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling lz4_flex v0.11.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling nanobit v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.72s
[INFO] running `Command { std: "docker" "inspect" "2cf8343f38fe6719c128b7985d93fdb0ce0ea3285405e2717aa205e66c31e45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf8343f38fe6719c128b7985d93fdb0ce0ea3285405e2717aa205e66c31e45c", kill_on_drop: false }`
[INFO] [stdout] 2cf8343f38fe6719c128b7985d93fdb0ce0ea3285405e2717aa205e66c31e45c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e6464d57f564a991525ce308d6b8b7c0a6bcb938ce3a2fe04282d7afc839687
[INFO] running `Command { std: "docker" "start" "-a" "5e6464d57f564a991525ce308d6b8b7c0a6bcb938ce3a2fe04282d7afc839687", kill_on_drop: false }`
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling clap_builder v4.5.46
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling clap v4.5.46
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling nanobit v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 53.95s
[INFO] running `Command { std: "docker" "inspect" "5e6464d57f564a991525ce308d6b8b7c0a6bcb938ce3a2fe04282d7afc839687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6464d57f564a991525ce308d6b8b7c0a6bcb938ce3a2fe04282d7afc839687", kill_on_drop: false }`
[INFO] [stdout] 5e6464d57f564a991525ce308d6b8b7c0a6bcb938ce3a2fe04282d7afc839687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71b1b5fc1eb1e132d314ba686dc4be7f122ce6a91d0be2a2818d1a0eda69d7e0
[INFO] running `Command { std: "docker" "start" "-a" "71b1b5fc1eb1e132d314ba686dc4be7f122ce6a91d0be2a2818d1a0eda69d7e0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nanobit-f3202e7edea27986)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test buffer::tests::test_string_encoding ... ok
[INFO] [stdout] test buffer::tests::test_write_read_roundtrip ... ok
[INFO] [stdout] test buffer::tests::test_buffer_overflow_detection ... ok
[INFO] [stdout] test compression::tests::test_default_compression ... ok
[INFO] [stdout] test compression::tests::test_is_serialized ... ok
[INFO] [stdout] test compression::tests::test_snappy_compression ... ok
[INFO] [stdout] test de::tests::test_char_roundtrip ... ok
[INFO] [stdout] test compression::tests::test_lz4_compression ... ok
[INFO] [stdout] test de::tests::test_collections ... ok
[INFO] [stdout] test de::tests::test_enum_roundtrip ... ok
[INFO] [stdout] test de::tests::test_reader_deserialization ... ok
[INFO] [stdout] test de::tests::test_invalid_data ... ok
[INFO] [stdout] test de::tests::test_struct_roundtrip ... ok
[INFO] [stdout] test ser::tests::test_collections ... ok
[INFO] [stdout] test ser::tests::test_option_serialization ... ok
[INFO] [stdout] test ser::tests::test_enum_serialization ... ok
[INFO] [stdout] test buffer::tests::test_varint_encoding ... ok
[INFO] [stdout] test de::tests::test_option_roundtrip ... ok
[INFO] [stdout] test compression::tests::test_zstd_compression ... ok
[INFO] [stdout] test ser::tests::test_primitive_serialization ... ok
[INFO] [stdout] test de::tests::test_primitive_deserialization ... ok
[INFO] [stdout] test ser::tests::test_struct_serialization ... ok
[INFO] [stdout] test tests::test_compression ... ok
[INFO] [stdout] test tests::test_empty_collections ... ok
[INFO] [stdout] test tests::test_primitive_types ... ok
[INFO] [stdout] test ser::tests::test_writer_serialization ... ok
[INFO] [stdout] test tests::test_basic_serialization ... ok
[INFO] [stdout] test compression::tests::test_compression_levels ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.91s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nanobit
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71b1b5fc1eb1e132d314ba686dc4be7f122ce6a91d0be2a2818d1a0eda69d7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b1b5fc1eb1e132d314ba686dc4be7f122ce6a91d0be2a2818d1a0eda69d7e0", kill_on_drop: false }`
[INFO] [stdout] 71b1b5fc1eb1e132d314ba686dc4be7f122ce6a91d0be2a2818d1a0eda69d7e0