[INFO] fetching crate poston 0.7.1...
[INFO] testing poston-0.7.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate poston 0.7.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate poston 0.7.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.16
[INFO] [stderr]   Downloaded rmp-serde v0.14.3
[INFO] [stderr]   Downloaded backoff v0.2.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 857e7923c78cab8a945d154bd06e1a2e730f774e6f0fed2e4bfd4bfcb28b21cf
[INFO] running `Command { std: "docker" "start" "-a" "857e7923c78cab8a945d154bd06e1a2e730f774e6f0fed2e4bfd4bfcb28b21cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "857e7923c78cab8a945d154bd06e1a2e730f774e6f0fed2e4bfd4bfcb28b21cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857e7923c78cab8a945d154bd06e1a2e730f774e6f0fed2e4bfd4bfcb28b21cf", kill_on_drop: false }`
[INFO] [stdout] 857e7923c78cab8a945d154bd06e1a2e730f774e6f0fed2e4bfd4bfcb28b21cf
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a3367ec0b42a30bb6be28fdf2a5533a640a282f06087f8232d726da6ce7c835
[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" "6a3367ec0b42a30bb6be28fdf2a5533a640a282f06087f8232d726da6ce7c835", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling rmp-serde v0.14.3
[INFO] [stderr]    Compiling backoff v0.2.1
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling poston v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.13s
[INFO] running `Command { std: "docker" "inspect" "6a3367ec0b42a30bb6be28fdf2a5533a640a282f06087f8232d726da6ce7c835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3367ec0b42a30bb6be28fdf2a5533a640a282f06087f8232d726da6ce7c835", kill_on_drop: false }`
[INFO] [stdout] 6a3367ec0b42a30bb6be28fdf2a5533a640a282f06087f8232d726da6ce7c835
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 1d21a2c789f7caf17c55998aa15f414953472538f04c137486e66ded08537b1c
[INFO] running `Command { std: "docker" "start" "-a" "1d21a2c789f7caf17c55998aa15f414953472538f04c137486e66ded08537b1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v1.2.3
[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 atty v0.2.14
[INFO] [stderr]    Compiling humantime v1.3.0
[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 23.92s
[INFO] running `Command { std: "docker" "inspect" "1d21a2c789f7caf17c55998aa15f414953472538f04c137486e66ded08537b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d21a2c789f7caf17c55998aa15f414953472538f04c137486e66ded08537b1c", kill_on_drop: false }`
[INFO] [stdout] 1d21a2c789f7caf17c55998aa15f414953472538f04c137486e66ded08537b1c
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] c5dd48993de14a61b4fb86aafd08182e9282453ecc5b290bcba3de7ef16957f0
[INFO] running `Command { std: "docker" "start" "-a" "c5dd48993de14a61b4fb86aafd08182e9282453ecc5b290bcba3de7ef16957f0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] running 16 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/poston-0e62e170c1d4f907
[INFO] [stdout] test buffer::unpack_response::it_should_unpack_as_ack_reply ... ok
[INFO] [stdout] test buffer::test_take::it_should_move_elements_to_passed_buffer ... 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 time_pack::test::it_should_pack_to_event_time_format ... ok
[INFO] [stdout] test worker::tests::test_handle_message_queued ... ok
[INFO] [stdout] test worker::tests::test_handle_message_flushed ... ok
[INFO] [stdout] test emitter::test::emit_consume_queue_with_error_stream ... ok
[INFO] [stdout] test worker::tests::test_handle_message_terminated ... ok
[INFO] [stdout] test queue::tests::test_push_flush ... ok
[INFO] [stdout] test connect::tests::connect_giveup ... ok
[INFO] [stdout] test emitter::test::emit_consume_queeu ... ok
[INFO] [stdout] test worker::tests::test_start_worker_terminate ... 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
[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" "c5dd48993de14a61b4fb86aafd08182e9282453ecc5b290bcba3de7ef16957f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5dd48993de14a61b4fb86aafd08182e9282453ecc5b290bcba3de7ef16957f0", kill_on_drop: false }`
[INFO] [stdout] c5dd48993de14a61b4fb86aafd08182e9282453ecc5b290bcba3de7ef16957f0