[INFO] fetching crate mlg 0.1.1...
[INFO] testing mlg-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mlg 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mlg 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mlg 0.1.1
[INFO] tweaked toml for crates.io crate mlg 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mlg 0.1.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c624f91f2d703126e826ad35db815e6c1f9c3823ac137430b9b1afa58b2ec3b
[INFO] running `Command { std: "docker" "start" "-a" "1c624f91f2d703126e826ad35db815e6c1f9c3823ac137430b9b1afa58b2ec3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c624f91f2d703126e826ad35db815e6c1f9c3823ac137430b9b1afa58b2ec3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c624f91f2d703126e826ad35db815e6c1f9c3823ac137430b9b1afa58b2ec3b", kill_on_drop: false }`
[INFO] [stdout] 1c624f91f2d703126e826ad35db815e6c1f9c3823ac137430b9b1afa58b2ec3b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65334930b533443ad5ee160d56009cbe43fc588d8127c4d683fca8795f37e003
[INFO] running `Command { std: "docker" "start" "-a" "65334930b533443ad5ee160d56009cbe43fc588d8127c4d683fca8795f37e003", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling mlg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.37s
[INFO] running `Command { std: "docker" "inspect" "65334930b533443ad5ee160d56009cbe43fc588d8127c4d683fca8795f37e003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65334930b533443ad5ee160d56009cbe43fc588d8127c4d683fca8795f37e003", kill_on_drop: false }`
[INFO] [stdout] 65334930b533443ad5ee160d56009cbe43fc588d8127c4d683fca8795f37e003
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2351e3fdd23e73f69ee209a37726aa2ae45b2acfc618ce6a02a3c97a20db5f31
[INFO] running `Command { std: "docker" "start" "-a" "2351e3fdd23e73f69ee209a37726aa2ae45b2acfc618ce6a02a3c97a20db5f31", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling mlg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.26s
[INFO] running `Command { std: "docker" "inspect" "2351e3fdd23e73f69ee209a37726aa2ae45b2acfc618ce6a02a3c97a20db5f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2351e3fdd23e73f69ee209a37726aa2ae45b2acfc618ce6a02a3c97a20db5f31", kill_on_drop: false }`
[INFO] [stdout] 2351e3fdd23e73f69ee209a37726aa2ae45b2acfc618ce6a02a3c97a20db5f31
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6215ba11a434d0deae4929873ef5fc07f1c6310ba64730637e0babd8937ab2d9
[INFO] running `Command { std: "docker" "start" "-a" "6215ba11a434d0deae4929873ef5fc07f1c6310ba64730637e0babd8937ab2d9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mlg-40a7f9d5e85d5c3a)
[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] [stderr]      Running test/test.rs (/opt/rustwide/target/debug/deps/test-6d30ab877337ec2e)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_batch_read_when_no_records_exist_returns_error ... ok
[INFO] [stdout] test test_batch_read_less_records_than_requested ... ok
[INFO] [stdout] test test_append ... ok
[INFO] [stdout] test test_batch_read_when_more_records_exist_than_requested ... ok
[INFO] [stdout] test test_read_two_records ... ok
[INFO] [stdout] test test_concurrent_writes ... ok
[INFO] [stdout] test test_write_read_consistency ... ok
[INFO] [stdout] test test_batch_read_data_integrity_and_order ... ok
[INFO] [stdout] test test_batch_read_exact_number_of_requested_records ... ok
[INFO] [stdout] test test_concurrent_reads_after_write ... ok
[INFO] [stdout] test the_next_offset_is_returned_correctly ... ok
[INFO] [stdout] test test_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mlg
[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" "6215ba11a434d0deae4929873ef5fc07f1c6310ba64730637e0babd8937ab2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6215ba11a434d0deae4929873ef5fc07f1c6310ba64730637e0babd8937ab2d9", kill_on_drop: false }`
[INFO] [stdout] 6215ba11a434d0deae4929873ef5fc07f1c6310ba64730637e0babd8937ab2d9