[INFO] crate flo_stream 0.4.0 is already in cache
[INFO] testing flo_stream-0.4.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate flo_stream 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate flo_stream 0.4.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flo_stream 0.4.0
[INFO] finished tweaking crates.io crate flo_stream 0.4.0
[INFO] tweaked toml for crates.io crate flo_stream 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate flo_stream 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a96f3f70bfc6346da16a7d574df7e977a1264e261a7a165faa88a84e7aee668
[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" "0a96f3f70bfc6346da16a7d574df7e977a1264e261a7a165faa88a84e7aee668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a96f3f70bfc6346da16a7d574df7e977a1264e261a7a165faa88a84e7aee668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a96f3f70bfc6346da16a7d574df7e977a1264e261a7a165faa88a84e7aee668", kill_on_drop: false }`
[INFO] [stdout] 0a96f3f70bfc6346da16a7d574df7e977a1264e261a7a165faa88a84e7aee668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bec2e6fa5e9643065daee234bbb2dfd92533ddbb652a341b28470a747213f1e0
[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" "bec2e6fa5e9643065daee234bbb2dfd92533ddbb652a341b28470a747213f1e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling flo_stream v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.78s
[INFO] running `Command { std: "docker" "inspect" "bec2e6fa5e9643065daee234bbb2dfd92533ddbb652a341b28470a747213f1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec2e6fa5e9643065daee234bbb2dfd92533ddbb652a341b28470a747213f1e0", kill_on_drop: false }`
[INFO] [stdout] bec2e6fa5e9643065daee234bbb2dfd92533ddbb652a341b28470a747213f1e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 8bc25f04ba95756f7834cfc4bfafeb3c9c9ec061ecec5f28995b03a911b6828d
[INFO] running `Command { std: "docker" "start" "-a" "8bc25f04ba95756f7834cfc4bfafeb3c9c9ec061ecec5f28995b03a911b6828d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling desync v0.5.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling flo_stream v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "8bc25f04ba95756f7834cfc4bfafeb3c9c9ec061ecec5f28995b03a911b6828d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc25f04ba95756f7834cfc4bfafeb3c9c9ec061ecec5f28995b03a911b6828d", kill_on_drop: false }`
[INFO] [stdout] 8bc25f04ba95756f7834cfc4bfafeb3c9c9ec061ecec5f28995b03a911b6828d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c54c35f30aed6eb0547a9e898b59406252167c2ab650eed1abfb4fc5a9be16c
[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" "9c54c35f30aed6eb0547a9e898b59406252167c2ab650eed1abfb4fc5a9be16c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flo_stream-86bef10382dd32ba
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/blocking-8c8a6bad47c3c1d1
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test blocks_if_there_are_no_subscribers ... ok
[INFO] [stdout] test blocks_if_there_are_insufficient_subscribers ... ok
[INFO] [stdout] test read_from_subscribers ... ok
[INFO] [stdout] test unblocks_if_there_are_sufficient_subscribers ... ok
[INFO] [stdout] test read_from_thread ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pubsub-a6b695f68e481297
[INFO] [stdout] test read_from_thread_late_start ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test clone_subscribers_after_reading ... ok
[INFO] [stdout] test complete_on_multiple_subscribers ... ok
[INFO] [stdout] test receive_on_one_subscriber ... ok
[INFO] [stdout] test republish_3_times ... ok
[INFO] [stdout] test send_all_stream ... ok
[INFO] [stdout] test skip_messages_sent_before_subscription ... ok
[INFO] [stdout] test clone_subscribers ... ok
[INFO] [stdout] test complete_when_empty ... ok
[INFO] [stdout] test read_on_multiple_subscribers ... ok
[INFO] [stdout] test expiring_removes_oldest_events_first ... ok
[INFO] [stdout] test blocks_if_subscribers_are_full ... ok
[INFO] [stdout] test subscriber_closes_when_publisher_closes ... ok
[INFO] [stdout] test single_receive_on_one_subscriber ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sink-033b4f6c9065391c
[INFO] [stdout] test single_receive_on_two_subscribers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test close_sink_same_thread ... ok
[INFO] [stdout] test close_sink ... ok
[INFO] [stderr]    Doc-tests flo_stream
[INFO] [stdout] test send_stream_via_sink ... ok
[INFO] [stdout] test send_via_sink ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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 20) ... 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" "9c54c35f30aed6eb0547a9e898b59406252167c2ab650eed1abfb4fc5a9be16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c54c35f30aed6eb0547a9e898b59406252167c2ab650eed1abfb4fc5a9be16c", kill_on_drop: false }`
[INFO] [stdout] 9c54c35f30aed6eb0547a9e898b59406252167c2ab650eed1abfb4fc5a9be16c