[INFO] fetching crate extern_executor 0.1.2...
[INFO] testing extern_executor-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate extern_executor 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate extern_executor 0.1.2 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 extern_executor 0.1.2
[INFO] finished tweaking crates.io crate extern_executor 0.1.2
[INFO] tweaked toml for crates.io crate extern_executor 0.1.2 written to /workspace/builds/worker-2/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-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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec7d3ce7b7de547939d8eb7b4780001ff68c018f8c98172625bd0e2aaa31dfa9
[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" "ec7d3ce7b7de547939d8eb7b4780001ff68c018f8c98172625bd0e2aaa31dfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec7d3ce7b7de547939d8eb7b4780001ff68c018f8c98172625bd0e2aaa31dfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec7d3ce7b7de547939d8eb7b4780001ff68c018f8c98172625bd0e2aaa31dfa9", kill_on_drop: false }`
[INFO] [stdout] ec7d3ce7b7de547939d8eb7b4780001ff68c018f8c98172625bd0e2aaa31dfa9
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 846aac335dbbd0c1392a2b7d34835d06245e2c1aacdcc96f8758def0dfe38d23
[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" "846aac335dbbd0c1392a2b7d34835d06245e2c1aacdcc96f8758def0dfe38d23", kill_on_drop: false }`
[INFO] [stderr]    Compiling extern_executor v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "846aac335dbbd0c1392a2b7d34835d06245e2c1aacdcc96f8758def0dfe38d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846aac335dbbd0c1392a2b7d34835d06245e2c1aacdcc96f8758def0dfe38d23", kill_on_drop: false }`
[INFO] [stdout] 846aac335dbbd0c1392a2b7d34835d06245e2c1aacdcc96f8758def0dfe38d23
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 689f8535406cf2e040acd734fbc1fe1de72cfb5757a9096a3ca9190d228fc07f
[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" "689f8535406cf2e040acd734fbc1fe1de72cfb5757a9096a3ca9190d228fc07f", kill_on_drop: false }`
[INFO] [stderr]    Compiling extern_executor v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "689f8535406cf2e040acd734fbc1fe1de72cfb5757a9096a3ca9190d228fc07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689f8535406cf2e040acd734fbc1fe1de72cfb5757a9096a3ca9190d228fc07f", kill_on_drop: false }`
[INFO] [stdout] 689f8535406cf2e040acd734fbc1fe1de72cfb5757a9096a3ca9190d228fc07f
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0d4596199b2eec739453c8ff766c54badc6c08f9dd75495b2134872da0bca5b
[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" "f0d4596199b2eec739453c8ff766c54badc6c08f9dd75495b2134872da0bca5b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/extern_executor-e1dba18c3bd77824
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests extern_executor
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f0d4596199b2eec739453c8ff766c54badc6c08f9dd75495b2134872da0bca5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d4596199b2eec739453c8ff766c54badc6c08f9dd75495b2134872da0bca5b", kill_on_drop: false }`
[INFO] [stdout] f0d4596199b2eec739453c8ff766c54badc6c08f9dd75495b2134872da0bca5b