[INFO] fetching crate futures-async-runtime 0.2.1...
[INFO] testing futures-async-runtime-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate futures-async-runtime 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate futures-async-runtime 0.2.1 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 futures-async-runtime 0.2.1
[INFO] finished tweaking crates.io crate futures-async-runtime 0.2.1
[INFO] tweaked toml for crates.io crate futures-async-runtime 0.2.1 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 4388a8d9d5d6e5715a804b33ddd4fc33a61b81ffdfece421b94102353e3337dc
[INFO] running `Command { std: "docker" "start" "-a" "4388a8d9d5d6e5715a804b33ddd4fc33a61b81ffdfece421b94102353e3337dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4388a8d9d5d6e5715a804b33ddd4fc33a61b81ffdfece421b94102353e3337dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4388a8d9d5d6e5715a804b33ddd4fc33a61b81ffdfece421b94102353e3337dc", kill_on_drop: false }`
[INFO] [stdout] 4388a8d9d5d6e5715a804b33ddd4fc33a61b81ffdfece421b94102353e3337dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 6ea68386d72f5fe53e9bceaf8aa05c0f3c6b998da70b14409f662e3b49ca7461
[INFO] running `Command { std: "docker" "start" "-a" "6ea68386d72f5fe53e9bceaf8aa05c0f3c6b998da70b14409f662e3b49ca7461", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.2.1
[INFO] [stderr]    Compiling futures-sink v0.2.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling futures-io v0.2.1
[INFO] [stderr]    Compiling futures-util v0.2.1
[INFO] [stderr]    Compiling futures-executor v0.2.1
[INFO] [stderr]    Compiling futures-stable v0.2.1
[INFO] [stderr]    Compiling futures-async-runtime v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "6ea68386d72f5fe53e9bceaf8aa05c0f3c6b998da70b14409f662e3b49ca7461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea68386d72f5fe53e9bceaf8aa05c0f3c6b998da70b14409f662e3b49ca7461", kill_on_drop: false }`
[INFO] [stdout] 6ea68386d72f5fe53e9bceaf8aa05c0f3c6b998da70b14409f662e3b49ca7461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eca731067112cd8aac73358d3d3212fe661c943f7366d069931c87340d67e661
[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" "eca731067112cd8aac73358d3d3212fe661c943f7366d069931c87340d67e661", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-async-runtime v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "eca731067112cd8aac73358d3d3212fe661c943f7366d069931c87340d67e661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca731067112cd8aac73358d3d3212fe661c943f7366d069931c87340d67e661", kill_on_drop: false }`
[INFO] [stdout] eca731067112cd8aac73358d3d3212fe661c943f7366d069931c87340d67e661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] e75709027f07cbe229e2a2c1d0255fc43984bbb66804c344aff7c788d33005a3
[INFO] running `Command { std: "docker" "start" "-a" "e75709027f07cbe229e2a2c1d0255fc43984bbb66804c344aff7c788d33005a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_async_runtime-3178945a1d7c30b6
[INFO] [stderr]    Doc-tests futures-async-runtime
[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] [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" "e75709027f07cbe229e2a2c1d0255fc43984bbb66804c344aff7c788d33005a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75709027f07cbe229e2a2c1d0255fc43984bbb66804c344aff7c788d33005a3", kill_on_drop: false }`
[INFO] [stdout] e75709027f07cbe229e2a2c1d0255fc43984bbb66804c344aff7c788d33005a3