[INFO] fetching crate nbd 0.2.3...
[INFO] testing nbd-0.2.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate nbd 0.2.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nbd 0.2.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded remove_dir_all v0.5.1
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded bit-set v0.5.0
[INFO] [stderr]   Downloaded byteorder v1.2.4
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded wait-timeout v0.1.5
[INFO] [stderr]   Downloaded bit-vec v0.5.0
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded tempfile v3.0.3
[INFO] [stderr]   Downloaded readwrite v0.1.0
[INFO] [stderr]   Downloaded rusty-fork v0.2.0
[INFO] [stderr]   Downloaded pipe v0.0.3
[INFO] [stderr]   Downloaded proptest v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c5cba7e8ffac501267ab4285297737a5d421bf87ff93c9a64344dfe00626e74
[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" "8c5cba7e8ffac501267ab4285297737a5d421bf87ff93c9a64344dfe00626e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c5cba7e8ffac501267ab4285297737a5d421bf87ff93c9a64344dfe00626e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5cba7e8ffac501267ab4285297737a5d421bf87ff93c9a64344dfe00626e74", kill_on_drop: false }`
[INFO] [stdout] 8c5cba7e8ffac501267ab4285297737a5d421bf87ff93c9a64344dfe00626e74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] cbe34c29a0488c714b96507068b486c5ee5d99121f60fffd279cabda538a105c
[INFO] running `Command { std: "docker" "start" "-a" "cbe34c29a0488c714b96507068b486c5ee5d99121f60fffd279cabda538a105c", kill_on_drop: false }`
[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 1.56s
[INFO] running `Command { std: "docker" "inspect" "cbe34c29a0488c714b96507068b486c5ee5d99121f60fffd279cabda538a105c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe34c29a0488c714b96507068b486c5ee5d99121f60fffd279cabda538a105c", kill_on_drop: false }`
[INFO] [stdout] cbe34c29a0488c714b96507068b486c5ee5d99121f60fffd279cabda538a105c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2c2c87f4eb5104ed46fe32f08e1a1e3a80f3eb476d8989390e42ed2e4417d71
[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" "a2c2c87f4eb5104ed46fe32f08e1a1e3a80f3eb476d8989390e42ed2e4417d71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling pipe v0.0.3
[INFO] [stderr]    Compiling readwrite v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling bit-set v0.5.0
[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 26.89s
[INFO] running `Command { std: "docker" "inspect" "a2c2c87f4eb5104ed46fe32f08e1a1e3a80f3eb476d8989390e42ed2e4417d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c2c87f4eb5104ed46fe32f08e1a1e3a80f3eb476d8989390e42ed2e4417d71", kill_on_drop: false }`
[INFO] [stdout] a2c2c87f4eb5104ed46fe32f08e1a1e3a80f3eb476d8989390e42ed2e4417d71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3dcf94fa02f4fc3a1dda0b9ef951fa67c70ad4304fb8b18bde909ffad8538e4b
[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" "3dcf94fa02f4fc3a1dda0b9ef951fa67c70ad4304fb8b18bde909ffad8538e4b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nbd-6c4416f47843007b
[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 /opt/rustwide/target/debug/deps/fuzz_hs-41f8b524c64d72cd
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test fuzz_client_hs ... ok
[INFO] [stdout] test fuzz_server_hs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.70s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fuzz_roundtrip-b7e8a305fdf0c908
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fuzz_transmission-4dbff1bffe297d49
[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 4.43s
[INFO] [stdout] 
[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 4.79s
[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" "3dcf94fa02f4fc3a1dda0b9ef951fa67c70ad4304fb8b18bde909ffad8538e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcf94fa02f4fc3a1dda0b9ef951fa67c70ad4304fb8b18bde909ffad8538e4b", kill_on_drop: false }`
[INFO] [stdout] 3dcf94fa02f4fc3a1dda0b9ef951fa67c70ad4304fb8b18bde909ffad8538e4b