[INFO] fetching crate vhost-user-backend 0.1.0...
[INFO] testing vhost-user-backend-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate vhost-user-backend 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate vhost-user-backend 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking crates.io crate vhost-user-backend 0.1.0
[INFO] finished tweaking crates.io crate vhost-user-backend 0.1.0
[INFO] tweaked toml for crates.io crate vhost-user-backend 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13e0abaf7240eabb4d3343ec78316fd20a49cec5e6cd9c5f211cf3bf70da52ac
[INFO] running `Command { std: "docker" "start" "-a" "13e0abaf7240eabb4d3343ec78316fd20a49cec5e6cd9c5f211cf3bf70da52ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13e0abaf7240eabb4d3343ec78316fd20a49cec5e6cd9c5f211cf3bf70da52ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e0abaf7240eabb4d3343ec78316fd20a49cec5e6cd9c5f211cf3bf70da52ac", kill_on_drop: false }`
[INFO] [stdout] 13e0abaf7240eabb4d3343ec78316fd20a49cec5e6cd9c5f211cf3bf70da52ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63c18771dab904534a6e11f7d1f888d00e3e6ec0375afbfc92b1d770048a3498
[INFO] running `Command { std: "docker" "start" "-a" "63c18771dab904534a6e11f7d1f888d00e3e6ec0375afbfc92b1d770048a3498", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling arc-swap v1.5.0
[INFO] [stderr]    Compiling virtio-bindings v0.1.0
[INFO] [stderr]    Compiling vmm-sys-util v0.9.0
[INFO] [stderr]    Compiling vm-memory v0.7.0
[INFO] [stderr]    Compiling virtio-queue v0.1.0
[INFO] [stderr]    Compiling vhost v0.3.0
[INFO] [stderr]    Compiling vhost-user-backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "63c18771dab904534a6e11f7d1f888d00e3e6ec0375afbfc92b1d770048a3498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c18771dab904534a6e11f7d1f888d00e3e6ec0375afbfc92b1d770048a3498", kill_on_drop: false }`
[INFO] [stdout] 63c18771dab904534a6e11f7d1f888d00e3e6ec0375afbfc92b1d770048a3498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 383700519b2a515212e5560f103200fa7dd8091043636251c0205b2cc064f16e
[INFO] running `Command { std: "docker" "start" "-a" "383700519b2a515212e5560f103200fa7dd8091043636251c0205b2cc064f16e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling vhost-user-backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "383700519b2a515212e5560f103200fa7dd8091043636251c0205b2cc064f16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383700519b2a515212e5560f103200fa7dd8091043636251c0205b2cc064f16e", kill_on_drop: false }`
[INFO] [stdout] 383700519b2a515212e5560f103200fa7dd8091043636251c0205b2cc064f16e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 802cb3552cdf00aed8431a28427a1872a23e4e008037e236add421654efeba51
[INFO] running `Command { std: "docker" "start" "-a" "802cb3552cdf00aed8431a28427a1872a23e4e008037e236add421654efeba51", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vhost_user_backend-0fecdaeb193f3e42)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[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 event_loop::tests::test_vring_epoll_handler ... ok
[INFO] [stdout] test vring::tests::test_new_vring ... ok
[INFO] [stdout] test vring::tests::test_vring_set_fd ... ok
[INFO] [stdout] test tests::test_new_daemon ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/vhost-user-server.rs (/opt/rustwide/target/debug/deps/vhost_user_server-66fba30075a8629a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_vhost_user_enable ... 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_server ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "802cb3552cdf00aed8431a28427a1872a23e4e008037e236add421654efeba51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802cb3552cdf00aed8431a28427a1872a23e4e008037e236add421654efeba51", kill_on_drop: false }`
[INFO] [stdout] 802cb3552cdf00aed8431a28427a1872a23e4e008037e236add421654efeba51