[INFO] fetching crate mlg 0.1.1...
[INFO] testing mlg-0.1.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate mlg 0.1.1 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mlg 0.1.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 74 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d5c87c780f30b5ceb94f797b6c47f2099e64a3dadd80c9780f9be0ba5378f90
[INFO] running `Command { std: "docker" "start" "-a" "2d5c87c780f30b5ceb94f797b6c47f2099e64a3dadd80c9780f9be0ba5378f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d5c87c780f30b5ceb94f797b6c47f2099e64a3dadd80c9780f9be0ba5378f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5c87c780f30b5ceb94f797b6c47f2099e64a3dadd80c9780f9be0ba5378f90", kill_on_drop: false }`
[INFO] [stdout] 2d5c87c780f30b5ceb94f797b6c47f2099e64a3dadd80c9780f9be0ba5378f90
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ac8a819ad27fd53f01782c78fc8d1bb8c9e4559709aec98c6f6c2740e799d7c
[INFO] running `Command { std: "docker" "start" "-a" "7ac8a819ad27fd53f01782c78fc8d1bb8c9e4559709aec98c6f6c2740e799d7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.51.1
[INFO] [stderr]    Compiling mlg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.43s
[INFO] running `Command { std: "docker" "inspect" "7ac8a819ad27fd53f01782c78fc8d1bb8c9e4559709aec98c6f6c2740e799d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac8a819ad27fd53f01782c78fc8d1bb8c9e4559709aec98c6f6c2740e799d7c", kill_on_drop: false }`
[INFO] [stdout] 7ac8a819ad27fd53f01782c78fc8d1bb8c9e4559709aec98c6f6c2740e799d7c
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e71b9896b6ec7662e0a20eecb4faa546e017a4de0ebf631f3ee4de11ce01b7d7
[INFO] running `Command { std: "docker" "start" "-a" "e71b9896b6ec7662e0a20eecb4faa546e017a4de0ebf631f3ee4de11ce01b7d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling mlg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.23s
[INFO] running `Command { std: "docker" "inspect" "e71b9896b6ec7662e0a20eecb4faa546e017a4de0ebf631f3ee4de11ce01b7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e71b9896b6ec7662e0a20eecb4faa546e017a4de0ebf631f3ee4de11ce01b7d7", kill_on_drop: false }`
[INFO] [stdout] e71b9896b6ec7662e0a20eecb4faa546e017a4de0ebf631f3ee4de11ce01b7d7
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f1403f03427731e1d15f41a121021c0c0c3de044bd87ca23dd62565520946d0
[INFO] running `Command { std: "docker" "start" "-a" "4f1403f03427731e1d15f41a121021c0c0c3de044bd87ca23dd62565520946d0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mlg-b6a095f15e1cdee2)
[INFO] [stderr]      Running test/test.rs (/opt/rustwide/target/debug/deps/test-df056870831e570c)
[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] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_batch_read_when_no_records_exist_returns_error ... ok
[INFO] [stdout] test test_append ... ok
[INFO] [stdout] test test_write_read_consistency ... ok
[INFO] [stdout] test test_batch_read_exact_number_of_requested_records ... ok
[INFO] [stdout] test test_read_two_records ... ok
[INFO] [stdout] test the_next_offset_is_returned_correctly ... ok
[INFO] [stdout] test test_read ... ok
[INFO] [stdout] test test_batch_read_less_records_than_requested ... ok
[INFO] [stdout] test test_concurrent_writes ... ok
[INFO] [stdout] test test_batch_read_data_integrity_and_order ... ok
[INFO] [stdout] test test_concurrent_reads_after_write ... ok
[INFO] [stderr]    Doc-tests mlg
[INFO] [stdout] test test_batch_read_when_more_records_exist_than_requested ... 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] [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" "4f1403f03427731e1d15f41a121021c0c0c3de044bd87ca23dd62565520946d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1403f03427731e1d15f41a121021c0c0c3de044bd87ca23dd62565520946d0", kill_on_drop: false }`
[INFO] [stdout] 4f1403f03427731e1d15f41a121021c0c0c3de044bd87ca23dd62565520946d0