[INFO] fetching crate vhost-user-backend 0.22.0...
[INFO] testing vhost-user-backend-0.22.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate vhost-user-backend 0.22.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate vhost-user-backend 0.22.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate vhost-user-backend 0.22.0
[INFO] tweaked toml for crates.io crate vhost-user-backend 0.22.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vhost-user-backend 0.22.0 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] crate crates.io crate vhost-user-backend 0.22.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fbf6bfb9e3fff59fdf92e10304a9c4591f2d9a82735e499550dc0506006de7b
[INFO] running `Command { std: "docker" "start" "-a" "9fbf6bfb9e3fff59fdf92e10304a9c4591f2d9a82735e499550dc0506006de7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fbf6bfb9e3fff59fdf92e10304a9c4591f2d9a82735e499550dc0506006de7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fbf6bfb9e3fff59fdf92e10304a9c4591f2d9a82735e499550dc0506006de7b", kill_on_drop: false }`
[INFO] [stdout] 9fbf6bfb9e3fff59fdf92e10304a9c4591f2d9a82735e499550dc0506006de7b
[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=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] f88e70f1f6e9c5f9607b87633ab373550fc0ce7b0ba4f97b0d6b26d3f7dbe774
[INFO] running `Command { std: "docker" "start" "-a" "f88e70f1f6e9c5f9607b87633ab373550fc0ce7b0ba4f97b0d6b26d3f7dbe774", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling zerocopy v0.8.34
[INFO] [stderr]    Compiling virtio-bindings v0.2.7
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling arc-swap v1.8.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling vmm-sys-util v0.15.0
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling vm-memory v0.17.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling virtio-queue v0.17.0
[INFO] [stderr]    Compiling uuid v1.20.0
[INFO] [stderr]    Compiling vhost v0.16.0
[INFO] [stderr]    Compiling vhost-user-backend v0.22.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.73s
[INFO] running `Command { std: "docker" "inspect" "f88e70f1f6e9c5f9607b87633ab373550fc0ce7b0ba4f97b0d6b26d3f7dbe774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88e70f1f6e9c5f9607b87633ab373550fc0ce7b0ba4f97b0d6b26d3f7dbe774", kill_on_drop: false }`
[INFO] [stdout] f88e70f1f6e9c5f9607b87633ab373550fc0ce7b0ba4f97b0d6b26d3f7dbe774
[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=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] 3de47647556c47869a72ce3ae13fc49e924ae8d115dae252442c1b5977ff4c82
[INFO] running `Command { std: "docker" "start" "-a" "3de47647556c47869a72ce3ae13fc49e924ae8d115dae252442c1b5977ff4c82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling vm-memory v0.17.1
[INFO] [stderr]    Compiling vmm-sys-util v0.15.0
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling virtio-queue v0.17.0
[INFO] [stderr]    Compiling uuid v1.20.0
[INFO] [stderr]    Compiling vhost v0.16.0
[INFO] [stderr]    Compiling vhost-user-backend v0.22.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `Command { std: "docker" "inspect" "3de47647556c47869a72ce3ae13fc49e924ae8d115dae252442c1b5977ff4c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3de47647556c47869a72ce3ae13fc49e924ae8d115dae252442c1b5977ff4c82", kill_on_drop: false }`
[INFO] [stdout] 3de47647556c47869a72ce3ae13fc49e924ae8d115dae252442c1b5977ff4c82
[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=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] f9bed5040e133c297554486a30e2a54aa7161b8ecb55a41e54073fc31bbd8ff8
[INFO] running `Command { std: "docker" "start" "-a" "f9bed5040e133c297554486a30e2a54aa7161b8ecb55a41e54073fc31bbd8ff8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vhost_user_backend-528dfa9fede70b79)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test event_loop::tests::test_vring_epoll_handler ... ok
[INFO] [stdout] test vring::tests::test_new_vring ... ok
[INFO] [stdout] test backend::tests::test_new_mock_backend_mutex ... ok
[INFO] [stdout] test backend::tests::test_new_mock_backend_rwlock ... ok
[INFO] [stdout] test vring::tests::test_vring_set_fd ... ok
[INFO] [stdout] test tests::test_new_daemon_client ... ok
[INFO] [stdout] test tests::test_daemon_serve ... ok
[INFO] [stdout] test bitmap::tests::test_bitmap_region_bigger_than_log ... ok
[INFO] [stdout] test tests::test_new_daemon ... ok
[INFO] [stdout] test bitmap::tests::test_bitmap_region_smaller_than_one_word ... ok
[INFO] [stdout] test bitmap::tests::test_bitmap_two_regions_overlapping_word_second_dirty ... ok
[INFO] [stdout] test bitmap::tests::test_bitmap_region_smaller_than_log ... ok
[INFO] [stdout] test bitmap::tests::test_bitmap_log_and_region_same_size ... ok
[INFO] [stdout] test bitmap::tests::test_bitmap_two_regions_overlapping_word_first_dirty ... ok
[INFO] [stdout] test bitmap::tests::test_bitmap_region_slice ... ok
[INFO] [stderr]      Running tests/vhost-user-server.rs (/opt/rustwide/target/debug/deps/vhost_user_server-50f3e36adcaf9c52)
[INFO] [stdout] test handler::tests::test_no_lost_kicks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_vhost_user_reset_device ... ok
[INFO] [stdout] test test_vhost_user_get_inflight ... ok
[INFO] [stdout] test test_vhost_user_set_inflight ... ok
[INFO] [stdout] test test_vhost_user_enable ... ok
[INFO] [stdout] test test_vhost_user_server ... ok
[INFO] [stdout] test test_vhost_user_get_shared_object ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vhost_user_backend
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/backend.rs - backend (line 13) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9bed5040e133c297554486a30e2a54aa7161b8ecb55a41e54073fc31bbd8ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9bed5040e133c297554486a30e2a54aa7161b8ecb55a41e54073fc31bbd8ff8", kill_on_drop: false }`
[INFO] [stdout] f9bed5040e133c297554486a30e2a54aa7161b8ecb55a41e54073fc31bbd8ff8