[INFO] fetching crate memodb 0.8.0...
[INFO] testing memodb-0.8.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate memodb 0.8.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate memodb 0.8.0
[INFO] finished tweaking crates.io crate memodb 0.8.0
[INFO] tweaked toml for crates.io crate memodb 0.8.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate memodb 0.8.0 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 memodb 0.8.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 892035bfd43c34ef408eb656b43e5a6b2f7d3508bae3cba532c8385d73b378a8
[INFO] running `Command { std: "docker" "start" "-a" "892035bfd43c34ef408eb656b43e5a6b2f7d3508bae3cba532c8385d73b378a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "892035bfd43c34ef408eb656b43e5a6b2f7d3508bae3cba532c8385d73b378a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892035bfd43c34ef408eb656b43e5a6b2f7d3508bae3cba532c8385d73b378a8", kill_on_drop: false }`
[INFO] [stdout] 892035bfd43c34ef408eb656b43e5a6b2f7d3508bae3cba532c8385d73b378a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2a7bcc53062758f53a6b6fbe23b64f7dc43cf3d3bc2b7347953590c42cefeba2
[INFO] running `Command { std: "docker" "start" "-a" "2a7bcc53062758f53a6b6fbe23b64f7dc43cf3d3bc2b7347953590c42cefeba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling bplustree v0.1.0
[INFO] [stderr]    Compiling memodb v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "2a7bcc53062758f53a6b6fbe23b64f7dc43cf3d3bc2b7347953590c42cefeba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7bcc53062758f53a6b6fbe23b64f7dc43cf3d3bc2b7347953590c42cefeba2", kill_on_drop: false }`
[INFO] [stdout] 2a7bcc53062758f53a6b6fbe23b64f7dc43cf3d3bc2b7347953590c42cefeba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 57ddfc8516decc53d55ae951d44760763b1310f850c24a7662e128faa5a969fe
[INFO] running `Command { std: "docker" "start" "-a" "57ddfc8516decc53d55ae951d44760763b1310f850c24a7662e128faa5a969fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling memodb v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "57ddfc8516decc53d55ae951d44760763b1310f850c24a7662e128faa5a969fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ddfc8516decc53d55ae951d44760763b1310f850c24a7662e128faa5a969fe", kill_on_drop: false }`
[INFO] [stdout] 57ddfc8516decc53d55ae951d44760763b1310f850c24a7662e128faa5a969fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e60e68a8eb2dd2f49b32ce14bd68db43c047a8a534b0b6f5a39ac9ebd8119c89
[INFO] running `Command { std: "docker" "start" "-a" "e60e68a8eb2dd2f49b32ce14bd68db43c047a8a534b0b6f5a39ac9ebd8119c89", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memodb-707bb06096fd60bd)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test db::tests::begin_tx ... ok
[INFO] [stdout] test db::tests::cancelled_tx_is_cancelled ... ok
[INFO] [stdout] test db::tests::finished_tx_not_writeable ... ok
[INFO] [stdout] test db::tests::iterate_keys_reverse ... ok
[INFO] [stdout] test db::tests::multiple_concurrent_operators ... ok
[INFO] [stdout] test db::tests::iterate_keys_values_forward ... ok
[INFO] [stdout] test db::tests::count_keys_values ... ok
[INFO] [stdout] test db::tests::iterate_keys_forward ... ok
[INFO] [stdout] test tx::tests::mvcc_conflicting_blind_writes_should_error ... ok
[INFO] [stdout] test tx::tests::mvcc_conflicting_read_deleted_keys_should_error ... ok
[INFO] [stdout] test db::tests::multiple_concurrent_readers ... ok
[INFO] [stdout] test db::tests::committed_tx_is_committed ... ok
[INFO] [stdout] test tx::tests::mvcc_conflicting_write_keys_should_error ... ok
[INFO] [stdout] test tx::tests::test_anomaly_g_single_write_1 ... ok
[INFO] [stdout] test tx::tests::mvcc_ssi_conflicting_read_keys_should_error ... ok
[INFO] [stdout] test tx::tests::mvcc_scan_conflicting_read_deleted_keys_should_error ... ok
[INFO] [stdout] test tx::tests::mvcc_si_conflicting_read_keys_should_succeed ... ok
[INFO] [stdout] test db::tests::iterate_keys_values_reverse ... ok
[INFO] [stdout] test tx::tests::mvcc_non_conflicting_keys_should_succeed ... ok
[INFO] [stdout] test tx::tests::test_anomaly_g1b ... ok
[INFO] [stdout] test tx::tests::test_anomaly_g0 ... ok
[INFO] [stdout] test tx::tests::test_anomaly_g1c ... ok
[INFO] [stdout] test tx::tests::test_anomaly_g1a ... ok
[INFO] [stdout] test tx::tests::mvcc_scan_conflicting_write_keys_should_error ... ok
[INFO] [stdout] test tx::tests::test_anomaly_pmp ... ok
[INFO] [stdout] test tx::tests::test_g2_item_predicate ... ok
[INFO] [stdout] test tx::tests::test_snapshot_isolation ... ok
[INFO] [stdout] test tx::tests::test_anomaly_p4 ... ok
[INFO] [stdout] test tx::tests::test_anomaly_g_single ... ok
[INFO] [stdout] test tx::tests::test_anomaly_g_single_write_2 ... ok
[INFO] [stdout] test tx::tests::test_g2_item ... ok
[INFO] [stdout] test tx::tests::test_pmp_write ... ok
[INFO] [stdout] test tx::tests::test_snapshot_isolation_scan ... ok
[INFO] [stdout] test tx::tests::mvcc_transaction_queue_correctness ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memodb
[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" "e60e68a8eb2dd2f49b32ce14bd68db43c047a8a534b0b6f5a39ac9ebd8119c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60e68a8eb2dd2f49b32ce14bd68db43c047a8a534b0b6f5a39ac9ebd8119c89", kill_on_drop: false }`
[INFO] [stdout] e60e68a8eb2dd2f49b32ce14bd68db43c047a8a534b0b6f5a39ac9ebd8119c89