[INFO] cloning repository https://github.com/mdlayher/nbd-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdlayher/nbd-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdlayher%2Fnbd-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdlayher%2Fnbd-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f16928160359c5a80074868b50de4f082849dff7
[INFO] testing mdlayher/nbd-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdlayher%2Fnbd-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdlayher/nbd-rs 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] started tweaking git repo https://github.com/mdlayher/nbd-rs
[INFO] finished tweaking git repo https://github.com/mdlayher/nbd-rs
[INFO] tweaked toml for git repo https://github.com/mdlayher/nbd-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mdlayher/nbd-rs already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b8b8e32bc9badfd819fd677d2639cdaad2f100d24478b6d721d3cf7f31b7e872
[INFO] running `Command { std: "docker" "start" "-a" "b8b8e32bc9badfd819fd677d2639cdaad2f100d24478b6d721d3cf7f31b7e872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8b8e32bc9badfd819fd677d2639cdaad2f100d24478b6d721d3cf7f31b7e872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b8e32bc9badfd819fd677d2639cdaad2f100d24478b6d721d3cf7f31b7e872", kill_on_drop: false }`
[INFO] [stdout] b8b8e32bc9badfd819fd677d2639cdaad2f100d24478b6d721d3cf7f31b7e872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4300f0085d6ecf43d98d6562c77eded1b0339f10f364a6e05d4c92af6b6dbe5
[INFO] running `Command { std: "docker" "start" "-a" "e4300f0085d6ecf43d98d6562c77eded1b0339f10f364a6e05d4c92af6b6dbe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling stderrlog v0.5.1
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling mdl-nbd v0.1.0 (/opt/rustwide/workdir/mdl-nbd)
[INFO] [stderr]    Compiling mdl-nbd-demo v0.1.0 (/opt/rustwide/workdir/mdl-nbd-demo)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.53s
[INFO] running `Command { std: "docker" "inspect" "e4300f0085d6ecf43d98d6562c77eded1b0339f10f364a6e05d4c92af6b6dbe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4300f0085d6ecf43d98d6562c77eded1b0339f10f364a6e05d4c92af6b6dbe5", kill_on_drop: false }`
[INFO] [stdout] e4300f0085d6ecf43d98d6562c77eded1b0339f10f364a6e05d4c92af6b6dbe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 92ab205eebd2f5115c80e931a47dd0c7c4977307a31d0e351601644d9c0e6461
[INFO] running `Command { std: "docker" "start" "-a" "92ab205eebd2f5115c80e931a47dd0c7c4977307a31d0e351601644d9c0e6461", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdl-nbd v0.1.0 (/opt/rustwide/workdir/mdl-nbd)
[INFO] [stderr]    Compiling mdl-nbd-demo v0.1.0 (/opt/rustwide/workdir/mdl-nbd-demo)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.05s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mdl_nbd-a2c7410858103f51)
[INFO] [stderr]   Executable tests/connection.rs (/opt/rustwide/target/debug/deps/connection-cd1a5e530e2c0130)
[INFO] [stderr]   Executable unittests src/client.rs (/opt/rustwide/target/debug/deps/mdl_nbd_client-192e0f7e37f45ec1)
[INFO] [stderr]   Executable unittests src/server.rs (/opt/rustwide/target/debug/deps/mdl_nbd_server-c431d0134fd36513)
[INFO] running `Command { std: "docker" "inspect" "92ab205eebd2f5115c80e931a47dd0c7c4977307a31d0e351601644d9c0e6461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ab205eebd2f5115c80e931a47dd0c7c4977307a31d0e351601644d9c0e6461", kill_on_drop: false }`
[INFO] [stdout] 92ab205eebd2f5115c80e931a47dd0c7c4977307a31d0e351601644d9c0e6461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 996720bae7deeb1ab65fed5f01c190f575bb34e31e2a711bfe7112a02e80fd13
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "996720bae7deeb1ab65fed5f01c190f575bb34e31e2a711bfe7112a02e80fd13", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mdl_nbd-a2c7410858103f51)
[INFO] [stdout] running 24 tests
[INFO] [stdout] test handshake::frame::valid_tests::client_options_abort_roundtrip ... ok
[INFO] [stdout] test handshake::frame::valid_tests::client_options_go_full ... ok
[INFO] [stdout] test handshake::frame::valid_tests::client_options_go_minimal ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_options_list_full ... ok
[INFO] [stdout] test handshake::frame::invalid_tests::client_options_go_info_request ... ok
[INFO] [stdout] test handshake::frame::invalid_tests::client_options_go_utf8 ... ok
[INFO] [stdout] test handshake::frame::valid_tests::client_options_list_roundtrip ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_handshake_full ... ok
[INFO] [stdout] test handshake::frame::valid_tests::client_options_info_minimal ... ok
[INFO] [stdout] test handshake::frame::valid_tests::client_options_info_roundtrip ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_handshake_roundtrip ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_options_go_full ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_options_unknown ... ok
[INFO] [stdout] test handshake::frame::valid_tests::client_options_go_roundtrip ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_options_abort_full ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_unsupported_options_none ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_unsupported_options_roundtrip ... ok
[INFO] [stdout] test handshake::frame::invalid_tests::client_options_magic ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_options_abort_short ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_options_abort_roundtrip ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_options_none ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_options_roundtrip ... ok
[INFO] [stdout] test handshake::frame::valid_tests::server_options_info_minimal ... ok
[INFO] [stdout] test handshake::frame::invalid_tests::client_options_short ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/connection.rs (/opt/rustwide/target/debug/deps/connection-cd1a5e530e2c0130)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test info ... ok
[INFO] [stdout] test go ... ok
[INFO] [stderr]      Running unittests src/client.rs (/opt/rustwide/target/debug/deps/mdl_nbd_client-192e0f7e37f45ec1)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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] [stderr]      Running unittests src/server.rs (/opt/rustwide/target/debug/deps/mdl_nbd_server-c431d0134fd36513)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdl-nbd
[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 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" "996720bae7deeb1ab65fed5f01c190f575bb34e31e2a711bfe7112a02e80fd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996720bae7deeb1ab65fed5f01c190f575bb34e31e2a711bfe7112a02e80fd13", kill_on_drop: false }`
[INFO] [stdout] 996720bae7deeb1ab65fed5f01c190f575bb34e31e2a711bfe7112a02e80fd13