[INFO] fetching crate poston 0.7.1...
[INFO] testing poston-0.7.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate poston 0.7.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate poston 0.7.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking crates.io crate poston 0.7.1
[INFO] finished tweaking crates.io crate poston 0.7.1
[INFO] tweaked toml for crates.io crate poston 0.7.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate poston 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2f3976343888f3c16de5b8a5805bd201cc7a47bbe975d1fa2629407256b52ab
[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" "f2f3976343888f3c16de5b8a5805bd201cc7a47bbe975d1fa2629407256b52ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2f3976343888f3c16de5b8a5805bd201cc7a47bbe975d1fa2629407256b52ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f3976343888f3c16de5b8a5805bd201cc7a47bbe975d1fa2629407256b52ab", kill_on_drop: false }`
[INFO] [stdout] f2f3976343888f3c16de5b8a5805bd201cc7a47bbe975d1fa2629407256b52ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 056d747e20205bc94af24a805914cf81c43e99a461be42b4b174f73a475da449
[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" "056d747e20205bc94af24a805914cf81c43e99a461be42b4b174f73a475da449", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling backoff v0.2.1
[INFO] [stderr]    Compiling rmp-serde v0.14.3
[INFO] [stderr]    Compiling poston v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.16s
[INFO] running `Command { std: "docker" "inspect" "056d747e20205bc94af24a805914cf81c43e99a461be42b4b174f73a475da449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056d747e20205bc94af24a805914cf81c43e99a461be42b4b174f73a475da449", kill_on_drop: false }`
[INFO] [stdout] 056d747e20205bc94af24a805914cf81c43e99a461be42b4b174f73a475da449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--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] fd4f45abaa9d74e8a05a5369871b2d9d763a96f142b99034cc200d40ef64b8dc
[INFO] running `Command { std: "docker" "start" "-a" "fd4f45abaa9d74e8a05a5369871b2d9d763a96f142b99034cc200d40ef64b8dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling poston v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.11s
[INFO] running `Command { std: "docker" "inspect" "fd4f45abaa9d74e8a05a5369871b2d9d763a96f142b99034cc200d40ef64b8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd4f45abaa9d74e8a05a5369871b2d9d763a96f142b99034cc200d40ef64b8dc", kill_on_drop: false }`
[INFO] [stdout] fd4f45abaa9d74e8a05a5369871b2d9d763a96f142b99034cc200d40ef64b8dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 9eda73fe887ff88a49259a7aa851c4ff55b89bde6487585a53cb580c4d05d222
[INFO] running `Command { std: "docker" "start" "-a" "9eda73fe887ff88a49259a7aa851c4ff55b89bde6487585a53cb580c4d05d222", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 16 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/poston-ebec2f5ae601fead)
[INFO] [stdout] test buffer::test_take::it_should_move_elements_to_passed_buffer ... ok
[INFO] [stdout] test buffer::unpack_response::it_should_unpack_as_ack_reply ... ok
[INFO] [stdout] test emitter::test::emit_consume_queeu ... ok
[INFO] [stdout] test emitter::test::emit_consume_queue_with_error_stream ... ok
[INFO] [stdout] test queue::tests::test_push_flush ... ok
[INFO] [stdout] test time_pack::test::it_should_pack_to_event_time_format ... ok
[INFO] [stdout] test worker::tests::test_handle_message_flushed ... ok
[INFO] [stdout] test worker::tests::test_handle_message_queued ... ok
[INFO] [stdout] test worker::tests::test_handle_message_terminated ... ok
[INFO] [stdout] test worker::tests::test_start_worker_terminate ... ok
[INFO] [stdout] test buffer::test_pack_record::it_should_make_forward_mode_buffer ... ok
[INFO] [stdout] test connect::tests::connect ... ok
[INFO] [stdout] test connect::tests::connect_giveup ... ok
[INFO] [stdout] test worker::tests::worker_create_should_return_err_when_the_connection_open_is_failed ... ok
[INFO] [stdout] test connect::tests::read_and_write ... ok
[INFO] [stderr]    Doc-tests poston
[INFO] [stdout] test connect::tests::reconnect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9eda73fe887ff88a49259a7aa851c4ff55b89bde6487585a53cb580c4d05d222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eda73fe887ff88a49259a7aa851c4ff55b89bde6487585a53cb580c4d05d222", kill_on_drop: false }`
[INFO] [stdout] 9eda73fe887ff88a49259a7aa851c4ff55b89bde6487585a53cb580c4d05d222