[INFO] fetching crate loro-delta 1.6.0...
[INFO] testing loro-delta-1.6.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate loro-delta 1.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate loro-delta 1.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate loro-delta 1.6.0
[INFO] tweaked toml for crates.io crate loro-delta 1.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate loro-delta 1.6.0 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 loro-delta 1.6.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63bfc5a60097b58122b1a924b2c6480dd0f9f156fc4c38c062b143e42ea1dfe5
[INFO] running `Command { std: "docker" "start" "-a" "63bfc5a60097b58122b1a924b2c6480dd0f9f156fc4c38c062b143e42ea1dfe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63bfc5a60097b58122b1a924b2c6480dd0f9f156fc4c38c062b143e42ea1dfe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63bfc5a60097b58122b1a924b2c6480dd0f9f156fc4c38c062b143e42ea1dfe5", kill_on_drop: false }`
[INFO] [stdout] 63bfc5a60097b58122b1a924b2c6480dd0f9f156fc4c38c062b143e42ea1dfe5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34a9e1c63e197123a175f9d08778439b849ad4953e6f70177f95b6cac96a89db
[INFO] running `Command { std: "docker" "start" "-a" "34a9e1c63e197123a175f9d08778439b849ad4953e6f70177f95b6cac96a89db", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling loro-thunderdome v0.6.2
[INFO] [stderr]    Compiling arref v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-btree v0.10.5
[INFO] [stderr]    Compiling enum-as-inner v0.5.1
[INFO] [stderr]    Compiling loro-delta v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.21s
[INFO] running `Command { std: "docker" "inspect" "34a9e1c63e197123a175f9d08778439b849ad4953e6f70177f95b6cac96a89db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a9e1c63e197123a175f9d08778439b849ad4953e6f70177f95b6cac96a89db", kill_on_drop: false }`
[INFO] [stdout] 34a9e1c63e197123a175f9d08778439b849ad4953e6f70177f95b6cac96a89db
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd9568f688c3c159d1012ffc606bf2a1cf47dc94ce9ffd9e74b22a62693a73fc
[INFO] running `Command { std: "docker" "start" "-a" "bd9568f688c3c159d1012ffc606bf2a1cf47dc94ce9ffd9e74b22a62693a73fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling color-backtrace v0.6.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling loro-delta v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 54.42s
[INFO] running `Command { std: "docker" "inspect" "bd9568f688c3c159d1012ffc606bf2a1cf47dc94ce9ffd9e74b22a62693a73fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9568f688c3c159d1012ffc606bf2a1cf47dc94ce9ffd9e74b22a62693a73fc", kill_on_drop: false }`
[INFO] [stdout] bd9568f688c3c159d1012ffc606bf2a1cf47dc94ce9ffd9e74b22a62693a73fc
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34bf8721ae7bb6c8f5ef545e1dfdf631a29fdd1603a3c356debd60e0633f298a
[INFO] running `Command { std: "docker" "start" "-a" "34bf8721ae7bb6c8f5ef545e1dfdf631a29fdd1603a3c356debd60e0633f298a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/loro_delta-bed6bc07c9327999)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test array_vec::test::test_can_merge ... ok
[INFO] [stdout] test array_vec::test::test_insert_many_fail ... ok
[INFO] [stdout] test array_vec::test::test_merge_fail ... ok
[INFO] [stdout] test array_vec::test::test_merge_right ... ok
[INFO] [stdout] test array_vec::test::test_slice ... ok
[INFO] [stdout] test array_vec::test::test_split ... ok
[INFO] [stdout] test array_vec::test::test_try_insert ... ok
[INFO] [stdout] test array_vec::test::test_try_insert_fail ... ok
[INFO] [stdout] test array_vec::test::test_insert ... ok
[INFO] [stdout] test array_vec::test::test_merge_left ... ok
[INFO] [stdout] test array_vec::test::merge_right_overflow - should panic ... ok
[INFO] [stderr]      Running tests/array_delta.rs (/opt/rustwide/target/debug/deps/array_delta-455d648efe5c9cd8)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_complex_composition ... ok
[INFO] [stdout] test delete_eq ... ok
[INFO] [stdout] test test_composition_of_operations ... ok
[INFO] [stdout] test test_cumulative_insert_overflow_handled ... ok
[INFO] [stdout] test test_insert_overflow_handled ... ok
[INFO] [stdout] test test_retain_operation ... ok
[INFO] [stdout] test test_delete_then_insert_overflow_handled ... ok
[INFO] [stdout] test test_delete ... ok
[INFO] [stdout] test test_edge_cases_insertion ... ok
[INFO] [stderr]      Running tests/test_text_delta.rs (/opt/rustwide/target/debug/deps/test_text_delta-d39438c6baca1000)
[INFO] [stdout] test test_basic_deletion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test compose_long_delete ... ok
[INFO] [stdout] test delete_plus_delete ... ok
[INFO] [stdout] test delete_delta_compose ... ok
[INFO] [stdout] test insert_plus_delete ... ok
[INFO] [stdout] test insert_plus_insert ... ok
[INFO] [stdout] test insert_plus_retain ... ok
[INFO] [stdout] test insert_long ... ok
[INFO] [stdout] test insert_and_delete_ordering ... ok
[INFO] [stdout] test insert_in_middle_of_text ... ok
[INFO] [stdout] test retain_delete_delta_compose ... ok
[INFO] [stdout] test retain_delete_delta_compose_1 ... ok
[INFO] [stderr]    Doc-tests loro_delta
[INFO] [stdout] test retain_start_optimization_split ... ok
[INFO] [stdout] test rich_text_delta ... ok
[INFO] [stdout] test retain_plus_delete ... ok
[INFO] [stdout] test retain_plus_insert ... ok
[INFO] [stdout] test text_delta ... ok
[INFO] [stdout] test retain_plus_retain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "34bf8721ae7bb6c8f5ef545e1dfdf631a29fdd1603a3c356debd60e0633f298a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bf8721ae7bb6c8f5ef545e1dfdf631a29fdd1603a3c356debd60e0633f298a", kill_on_drop: false }`
[INFO] [stdout] 34bf8721ae7bb6c8f5ef545e1dfdf631a29fdd1603a3c356debd60e0633f298a