[INFO] fetching crate vhost-user-backend 0.3.0...
[INFO] testing vhost-user-backend-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate vhost-user-backend 0.3.0 into /workspace/builds/worker-114/source
[INFO] validating manifest of crates.io crate vhost-user-backend 0.3.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-114/source/.cargo/config
[INFO] started tweaking crates.io crate vhost-user-backend 0.3.0
[INFO] finished tweaking crates.io crate vhost-user-backend 0.3.0
[INFO] tweaked toml for crates.io crate vhost-user-backend 0.3.0 written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c8b5e5e407d8d0c0111636e896f66034415fccba9e1ddc49eb116696a3924d3
[INFO] running `Command { std: "docker" "start" "-a" "1c8b5e5e407d8d0c0111636e896f66034415fccba9e1ddc49eb116696a3924d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c8b5e5e407d8d0c0111636e896f66034415fccba9e1ddc49eb116696a3924d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8b5e5e407d8d0c0111636e896f66034415fccba9e1ddc49eb116696a3924d3", kill_on_drop: false }`
[INFO] [stdout] 1c8b5e5e407d8d0c0111636e896f66034415fccba9e1ddc49eb116696a3924d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2434bc0c7976d0f5cb054fac6b93249514c7a51f3dfc45fffbc0375c523ad292
[INFO] running `Command { std: "docker" "start" "-a" "2434bc0c7976d0f5cb054fac6b93249514c7a51f3dfc45fffbc0375c523ad292", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling bitflags v1.3.2
[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 v0.8.0
[INFO] [stderr]    Compiling vm-memory v0.7.0
[INFO] [stderr]    Compiling virtio-queue v0.2.0
[INFO] [stderr]    Compiling vhost v0.4.0
[INFO] [stderr]    Compiling vhost-user-backend v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.92s
[INFO] running `Command { std: "docker" "inspect" "2434bc0c7976d0f5cb054fac6b93249514c7a51f3dfc45fffbc0375c523ad292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2434bc0c7976d0f5cb054fac6b93249514c7a51f3dfc45fffbc0375c523ad292", kill_on_drop: false }`
[INFO] [stdout] 2434bc0c7976d0f5cb054fac6b93249514c7a51f3dfc45fffbc0375c523ad292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8ce5879f22a405be02a66c9401b58c7981060705175b34a27af937c5c10dd8a
[INFO] running `Command { std: "docker" "start" "-a" "f8ce5879f22a405be02a66c9401b58c7981060705175b34a27af937c5c10dd8a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling vhost-user-backend v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.90s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/vhost_user_backend-5699bceaafd52dce)
[INFO] [stderr]   Executable tests/vhost-user-server.rs (/opt/rustwide/target/debug/deps/vhost_user_server-0273c16b704ef09a)
[INFO] running `Command { std: "docker" "inspect" "f8ce5879f22a405be02a66c9401b58c7981060705175b34a27af937c5c10dd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ce5879f22a405be02a66c9401b58c7981060705175b34a27af937c5c10dd8a", kill_on_drop: false }`
[INFO] [stdout] f8ce5879f22a405be02a66c9401b58c7981060705175b34a27af937c5c10dd8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8e617f4bb6b2850c49cc07cd1ada3f8c9bf765ae6b6699a49a6369934258297
[INFO] running `Command { std: "docker" "start" "-a" "b8e617f4bb6b2850c49cc07cd1ada3f8c9bf765ae6b6699a49a6369934258297", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vhost_user_backend-5699bceaafd52dce)
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running tests/vhost-user-server.rs (/opt/rustwide/target/debug/deps/vhost_user_server-0273c16b704ef09a)
[INFO] [stdout] test backend::tests::test_new_mock_backend_rwlock ... ok
[INFO] [stderr]    Doc-tests vhost-user-backend
[INFO] [stdout] test backend::tests::test_new_mock_backend_mutex ... ok
[INFO] [stdout] test event_loop::tests::test_vring_epoll_handler ... ok
[INFO] [stdout] test vring::tests::test_vring_set_fd ... ok
[INFO] [stdout] test vring::tests::test_new_vring ... ok
[INFO] [stdout] test tests::test_new_daemon ... ok
[INFO] [stdout] test tests::test_new_daemon_client ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [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" "b8e617f4bb6b2850c49cc07cd1ada3f8c9bf765ae6b6699a49a6369934258297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e617f4bb6b2850c49cc07cd1ada3f8c9bf765ae6b6699a49a6369934258297", kill_on_drop: false }`
[INFO] [stdout] b8e617f4bb6b2850c49cc07cd1ada3f8c9bf765ae6b6699a49a6369934258297