[INFO] fetching crate nbd 0.2.3...
[INFO] testing nbd-0.2.3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate nbd 0.2.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate nbd 0.2.3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-14/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6671b152744bdfecdd5f4f38fdd854e13c8091f1b84c60555741872925685916
[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" "6671b152744bdfecdd5f4f38fdd854e13c8091f1b84c60555741872925685916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6671b152744bdfecdd5f4f38fdd854e13c8091f1b84c60555741872925685916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6671b152744bdfecdd5f4f38fdd854e13c8091f1b84c60555741872925685916", kill_on_drop: false }`
[INFO] [stdout] 6671b152744bdfecdd5f4f38fdd854e13c8091f1b84c60555741872925685916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc9ad3094c94a9ad7364b0d10d792281c707c7ed5744841c9e7e543cc1d58e3e
[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" "fc9ad3094c94a9ad7364b0d10d792281c707c7ed5744841c9e7e543cc1d58e3e", 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 1.11s
[INFO] running `Command { std: "docker" "inspect" "fc9ad3094c94a9ad7364b0d10d792281c707c7ed5744841c9e7e543cc1d58e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9ad3094c94a9ad7364b0d10d792281c707c7ed5744841c9e7e543cc1d58e3e", kill_on_drop: false }`
[INFO] [stdout] fc9ad3094c94a9ad7364b0d10d792281c707c7ed5744841c9e7e543cc1d58e3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60993b1ad381e11815c5402a244676a5f96203af4f1a9d91a83b4ecdfe315b2e
[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" "60993b1ad381e11815c5402a244676a5f96203af4f1a9d91a83b4ecdfe315b2e", kill_on_drop: false }`
[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 num-traits v0.2.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling fnv v1.0.6
[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 26.57s
[INFO] running `Command { std: "docker" "inspect" "60993b1ad381e11815c5402a244676a5f96203af4f1a9d91a83b4ecdfe315b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60993b1ad381e11815c5402a244676a5f96203af4f1a9d91a83b4ecdfe315b2e", kill_on_drop: false }`
[INFO] [stdout] 60993b1ad381e11815c5402a244676a5f96203af4f1a9d91a83b4ecdfe315b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db6f2b311182aad1f23afd9fa3844da8fa48b4435e98749c30e9ea2e88a87a9f
[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" "db6f2b311182aad1f23afd9fa3844da8fa48b4435e98749c30e9ea2e88a87a9f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nbd-b4ba4d93058ab1f5)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/fuzz_hs.rs (/opt/rustwide/target/debug/deps/fuzz_hs-e1adc720e9704f0c)
[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_client_hs ... ok
[INFO] [stderr]      Running tests/fuzz_roundtrip.rs (/opt/rustwide/target/debug/deps/fuzz_roundtrip-6bee3bd222942523)
[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 2.24s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/fuzz_transmission.rs (/opt/rustwide/target/debug/deps/fuzz_transmission-18a816b418031672)
[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 9.73s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test fuzz_server_transmission ... ok
[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 5.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nbd
[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" "db6f2b311182aad1f23afd9fa3844da8fa48b4435e98749c30e9ea2e88a87a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6f2b311182aad1f23afd9fa3844da8fa48b4435e98749c30e9ea2e88a87a9f", kill_on_drop: false }`
[INFO] [stdout] db6f2b311182aad1f23afd9fa3844da8fa48b4435e98749c30e9ea2e88a87a9f