[INFO] fetching crate nbd 0.2.3...
[INFO] testing nbd-0.2.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate nbd 0.2.3 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate nbd 0.2.3 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 crates.io crate nbd 0.2.3
[INFO] finished tweaking crates.io crate nbd 0.2.3
[INFO] tweaked toml for crates.io crate nbd 0.2.3 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate nbd 0.2.3 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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 78a572912e96476038bfd24120074904ce5f376cc6f261afa1f231da661d9b56
[INFO] running `Command { std: "docker" "start" "-a" "78a572912e96476038bfd24120074904ce5f376cc6f261afa1f231da661d9b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78a572912e96476038bfd24120074904ce5f376cc6f261afa1f231da661d9b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a572912e96476038bfd24120074904ce5f376cc6f261afa1f231da661d9b56", kill_on_drop: false }`
[INFO] [stdout] 78a572912e96476038bfd24120074904ce5f376cc6f261afa1f231da661d9b56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] b893a2d4bc4efdc372ac9bd7a4714886ea3657278e25d5ab727569d42d2d2a3f
[INFO] running `Command { std: "docker" "start" "-a" "b893a2d4bc4efdc372ac9bd7a4714886ea3657278e25d5ab727569d42d2d2a3f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling nbd v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "b893a2d4bc4efdc372ac9bd7a4714886ea3657278e25d5ab727569d42d2d2a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b893a2d4bc4efdc372ac9bd7a4714886ea3657278e25d5ab727569d42d2d2a3f", kill_on_drop: false }`
[INFO] [stdout] b893a2d4bc4efdc372ac9bd7a4714886ea3657278e25d5ab727569d42d2d2a3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] cb17a2320ac5d623ad964a77c7f7e47b6f984a99e0cdef6b1c6ce3f2f3a8a141
[INFO] running `Command { std: "docker" "start" "-a" "cb17a2320ac5d623ad964a77c7f7e47b6f984a99e0cdef6b1c6ce3f2f3a8a141", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling pipe v0.0.3
[INFO] [stderr]    Compiling readwrite v0.1.0
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling wait-timeout v0.1.5
[INFO] [stderr]    Compiling tempfile v3.0.3
[INFO] [stderr]    Compiling rusty-fork v0.2.0
[INFO] [stderr]    Compiling proptest v0.8.4
[INFO] [stderr]    Compiling nbd v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.47s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/nbd-8a76c652fdd7aeb0)
[INFO] [stderr]   Executable tests/fuzz_hs.rs (/opt/rustwide/target/debug/deps/fuzz_hs-e19b27897a28633e)
[INFO] [stderr]   Executable tests/fuzz_roundtrip.rs (/opt/rustwide/target/debug/deps/fuzz_roundtrip-c6687215809c1506)
[INFO] [stderr]   Executable tests/fuzz_transmission.rs (/opt/rustwide/target/debug/deps/fuzz_transmission-9c442b188c84a4b1)
[INFO] running `Command { std: "docker" "inspect" "cb17a2320ac5d623ad964a77c7f7e47b6f984a99e0cdef6b1c6ce3f2f3a8a141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb17a2320ac5d623ad964a77c7f7e47b6f984a99e0cdef6b1c6ce3f2f3a8a141", kill_on_drop: false }`
[INFO] [stdout] cb17a2320ac5d623ad964a77c7f7e47b6f984a99e0cdef6b1c6ce3f2f3a8a141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] d83f361830fb2d2198fbbd3a91301f79b8dd104162fe3abf291cc5d46e582f2e
[INFO] running `Command { std: "docker" "start" "-a" "d83f361830fb2d2198fbbd3a91301f79b8dd104162fe3abf291cc5d46e582f2e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nbd-8a76c652fdd7aeb0)
[INFO] [stderr]      Running tests/fuzz_hs.rs (/opt/rustwide/target/debug/deps/fuzz_hs-e19b27897a28633e)
[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 2 tests
[INFO] [stdout] test fuzz_server_hs ... ok
[INFO] [stdout] test fuzz_client_hs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.68s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fuzz_roundtrip.rs (/opt/rustwide/target/debug/deps/fuzz_roundtrip-c6687215809c1506)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test fuzz_roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.47s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fuzz_transmission.rs (/opt/rustwide/target/debug/deps/fuzz_transmission-9c442b188c84a4b1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test fuzz_server_transmission ... ok
[INFO] [stderr]    Doc-tests nbd
[INFO] [stdout] test fuzz_client_transmission ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.50s
[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" "d83f361830fb2d2198fbbd3a91301f79b8dd104162fe3abf291cc5d46e582f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d83f361830fb2d2198fbbd3a91301f79b8dd104162fe3abf291cc5d46e582f2e", kill_on_drop: false }`
[INFO] [stdout] d83f361830fb2d2198fbbd3a91301f79b8dd104162fe3abf291cc5d46e582f2e