[INFO] fetching crate stubborn-io 0.3.1...
[INFO] testing stubborn-io-0.3.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate stubborn-io 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stubborn-io 0.3.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stubborn-io 0.3.1
[INFO] finished tweaking crates.io crate stubborn-io 0.3.1
[INFO] tweaked toml for crates.io crate stubborn-io 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44ad11c208d7f994cd7c5cd2978c5d396a1d2f7e57a19ba779cc8f1267339185
[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" "44ad11c208d7f994cd7c5cd2978c5d396a1d2f7e57a19ba779cc8f1267339185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44ad11c208d7f994cd7c5cd2978c5d396a1d2f7e57a19ba779cc8f1267339185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ad11c208d7f994cd7c5cd2978c5d396a1d2f7e57a19ba779cc8f1267339185", kill_on_drop: false }`
[INFO] [stdout] 44ad11c208d7f994cd7c5cd2978c5d396a1d2f7e57a19ba779cc8f1267339185
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7da09208f18d3b38214939f26b07c2e461c081e5221b79c6e305eee3f08520ec
[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" "7da09208f18d3b38214939f26b07c2e461c081e5221b79c6e305eee3f08520ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling stubborn-io v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.77s
[INFO] running `Command { std: "docker" "inspect" "7da09208f18d3b38214939f26b07c2e461c081e5221b79c6e305eee3f08520ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da09208f18d3b38214939f26b07c2e461c081e5221b79c6e305eee3f08520ec", kill_on_drop: false }`
[INFO] [stdout] 7da09208f18d3b38214939f26b07c2e461c081e5221b79c6e305eee3f08520ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bb1244a21f25476db36ff621380a1d7ea54d55d0f9d6bcb0ce54bd7dfb5089a
[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" "6bb1244a21f25476db36ff621380a1d7ea54d55d0f9d6bcb0ce54bd7dfb5089a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling stubborn-io v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.26s
[INFO] running `Command { std: "docker" "inspect" "6bb1244a21f25476db36ff621380a1d7ea54d55d0f9d6bcb0ce54bd7dfb5089a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb1244a21f25476db36ff621380a1d7ea54d55d0f9d6bcb0ce54bd7dfb5089a", kill_on_drop: false }`
[INFO] [stdout] 6bb1244a21f25476db36ff621380a1d7ea54d55d0f9d6bcb0ce54bd7dfb5089a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0cab622ee99f57f0c27deb639d274301a1c0aa5d94b8944e42085920b192a20
[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" "a0cab622ee99f57f0c27deb639d274301a1c0aa5d94b8944e42085920b192a20", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stubborn_io-028b2e7183ba159c)
[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] [stderr]      Running tests/dummy_tests.rs (/opt/rustwide/target/debug/deps/dummy_tests-aee1099f118760bf)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test already_connected::should_ignore_non_fatal_errors_and_continue_as_connected ... ok
[INFO] [stdout] test instantiating::should_be_disconnected_if_initial_connect_fails_with_fail_on_first_enabled ... ok
[INFO] [stdout] test instantiating::should_be_connected_if_initial_connect_succeeds ... ok
[INFO] [stdout] test instantiating::should_be_connected_if_initial_connect_fails_but_then_other_succeeds ... ok
[INFO] [stdout] test instantiating::should_be_disconnected_if_all_initial_connects_fail ... ok
[INFO] [stdout] test already_connected::should_be_able_to_recover_after_disconnect ... ok
[INFO] [stdout] test already_connected::should_give_up_when_all_attempts_exhausted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stubborn-io
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/config.rs - config::ReconnectOptions::with_retries_generator (line 47) ... ok
[INFO] [stdout] test src/tokio/tcp.rs - tokio::tcp::StubbornTcpStream (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0cab622ee99f57f0c27deb639d274301a1c0aa5d94b8944e42085920b192a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0cab622ee99f57f0c27deb639d274301a1c0aa5d94b8944e42085920b192a20", kill_on_drop: false }`
[INFO] [stdout] a0cab622ee99f57f0c27deb639d274301a1c0aa5d94b8944e42085920b192a20