[INFO] crate nbd-async 0.2.0 is already in cache
[INFO] testing nbd-async-0.2.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate nbd-async 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate nbd-async 0.2.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nbd-async 0.2.0
[INFO] finished tweaking crates.io crate nbd-async 0.2.0
[INFO] tweaked toml for crates.io crate nbd-async 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate nbd-async 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 9f18621619015fa80f6fa76b35c715e8cdfd4e073a86ee29a4b7319f8e2d3161
[INFO] running `Command { std: "docker" "start" "-a" "9f18621619015fa80f6fa76b35c715e8cdfd4e073a86ee29a4b7319f8e2d3161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f18621619015fa80f6fa76b35c715e8cdfd4e073a86ee29a4b7319f8e2d3161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f18621619015fa80f6fa76b35c715e8cdfd4e073a86ee29a4b7319f8e2d3161", kill_on_drop: false }`
[INFO] [stdout] 9f18621619015fa80f6fa76b35c715e8cdfd4e073a86ee29a4b7319f8e2d3161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e5072087162cec32a8cd1ca6f307dad40a2f2faee1a3c4f0e9faf11ca57d933
[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" "1e5072087162cec32a8cd1ca6f307dad40a2f2faee1a3c4f0e9faf11ca57d933", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling nbd-async v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.07s
[INFO] running `Command { std: "docker" "inspect" "1e5072087162cec32a8cd1ca6f307dad40a2f2faee1a3c4f0e9faf11ca57d933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5072087162cec32a8cd1ca6f307dad40a2f2faee1a3c4f0e9faf11ca57d933", kill_on_drop: false }`
[INFO] [stdout] 1e5072087162cec32a8cd1ca6f307dad40a2f2faee1a3c4f0e9faf11ca57d933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73ee73b9d11546fc4a854d187ac880529e16528352e1916f4d21b8a148574fdb
[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" "73ee73b9d11546fc4a854d187ac880529e16528352e1916f4d21b8a148574fdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling nbd-async v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "73ee73b9d11546fc4a854d187ac880529e16528352e1916f4d21b8a148574fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ee73b9d11546fc4a854d187ac880529e16528352e1916f4d21b8a148574fdb", kill_on_drop: false }`
[INFO] [stdout] 73ee73b9d11546fc4a854d187ac880529e16528352e1916f4d21b8a148574fdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81faf404cd17497b100e148a32e9ce024ad3a608340e39d214cbfea6052055ce
[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" "81faf404cd17497b100e148a32e9ce024ad3a608340e39d214cbfea6052055ce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nbd_async-a3d1915c19d469de
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nbd-async
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81faf404cd17497b100e148a32e9ce024ad3a608340e39d214cbfea6052055ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81faf404cd17497b100e148a32e9ce024ad3a608340e39d214cbfea6052055ce", kill_on_drop: false }`
[INFO] [stdout] 81faf404cd17497b100e148a32e9ce024ad3a608340e39d214cbfea6052055ce