[INFO] fetching crate async-rt 0.0.0...
[INFO] testing async-rt-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate async-rt 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate async-rt 0.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-rt 0.0.0
[INFO] finished tweaking crates.io crate async-rt 0.0.0
[INFO] tweaked toml for crates.io crate async-rt 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 190ef31ad05cfcd88b43ed5e0b61fa7f6218e0cfb16c03ec03cd562ac0ae1a08
[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" "190ef31ad05cfcd88b43ed5e0b61fa7f6218e0cfb16c03ec03cd562ac0ae1a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "190ef31ad05cfcd88b43ed5e0b61fa7f6218e0cfb16c03ec03cd562ac0ae1a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190ef31ad05cfcd88b43ed5e0b61fa7f6218e0cfb16c03ec03cd562ac0ae1a08", kill_on_drop: false }`
[INFO] [stdout] 190ef31ad05cfcd88b43ed5e0b61fa7f6218e0cfb16c03ec03cd562ac0ae1a08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "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] cd9e033dc807c97d42e86328b2a5c6a6791d1d6adc96567368201d1acaa818b8
[INFO] running `Command { std: "docker" "start" "-a" "cd9e033dc807c97d42e86328b2a5c6a6791d1d6adc96567368201d1acaa818b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-rt v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "cd9e033dc807c97d42e86328b2a5c6a6791d1d6adc96567368201d1acaa818b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9e033dc807c97d42e86328b2a5c6a6791d1d6adc96567368201d1acaa818b8", kill_on_drop: false }`
[INFO] [stdout] cd9e033dc807c97d42e86328b2a5c6a6791d1d6adc96567368201d1acaa818b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2860de164b8876f2d3f4567353c9f7c0abf8029771489ffda1487224a07247b
[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" "d2860de164b8876f2d3f4567353c9f7c0abf8029771489ffda1487224a07247b", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-rt v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "d2860de164b8876f2d3f4567353c9f7c0abf8029771489ffda1487224a07247b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2860de164b8876f2d3f4567353c9f7c0abf8029771489ffda1487224a07247b", kill_on_drop: false }`
[INFO] [stdout] d2860de164b8876f2d3f4567353c9f7c0abf8029771489ffda1487224a07247b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17d1d12cfb19db4015ba977fa8945e6999fe51ff883c0272482c4f8f1635f29b
[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" "17d1d12cfb19db4015ba977fa8945e6999fe51ff883c0272482c4f8f1635f29b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_rt-a20a2b0893acd11a
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-rt
[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" "17d1d12cfb19db4015ba977fa8945e6999fe51ff883c0272482c4f8f1635f29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d1d12cfb19db4015ba977fa8945e6999fe51ff883c0272482c4f8f1635f29b", kill_on_drop: false }`
[INFO] [stdout] 17d1d12cfb19db4015ba977fa8945e6999fe51ff883c0272482c4f8f1635f29b