[INFO] crate ring-channel 0.8.2 is already in cache
[INFO] testing ring-channel-0.8.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate ring-channel 0.8.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ring-channel 0.8.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ring-channel 0.8.2
[INFO] finished tweaking crates.io crate ring-channel 0.8.2
[INFO] tweaked toml for crates.io crate ring-channel 0.8.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 127ba3217ccc2234c849a26d1f61438a1dae3aa7e6b4135e7b5ea1c5a2a8ff02
[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" "127ba3217ccc2234c849a26d1f61438a1dae3aa7e6b4135e7b5ea1c5a2a8ff02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "127ba3217ccc2234c849a26d1f61438a1dae3aa7e6b4135e7b5ea1c5a2a8ff02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127ba3217ccc2234c849a26d1f61438a1dae3aa7e6b4135e7b5ea1c5a2a8ff02", kill_on_drop: false }`
[INFO] [stdout] 127ba3217ccc2234c849a26d1f61438a1dae3aa7e6b4135e7b5ea1c5a2a8ff02
[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" "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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ec6218e094330b2b3e098400f42a6096228ebcda928a69b0499a1079b49afcc
[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" "9ec6218e094330b2b3e098400f42a6096228ebcda928a69b0499a1079b49afcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling spinning_top v0.1.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling ring-channel v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.37s
[INFO] running `Command { std: "docker" "inspect" "9ec6218e094330b2b3e098400f42a6096228ebcda928a69b0499a1079b49afcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec6218e094330b2b3e098400f42a6096228ebcda928a69b0499a1079b49afcc", kill_on_drop: false }`
[INFO] [stdout] 9ec6218e094330b2b3e098400f42a6096228ebcda928a69b0499a1079b49afcc
[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" "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" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea5a35c984575df34dddc5bd79c7b231daae889c3884b5705c3af7523fbbb6a8
[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" "ea5a35c984575df34dddc5bd79c7b231daae889c3884b5705c3af7523fbbb6a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling mockall_derive v0.7.2
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling predicates v1.0.5
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling mockall v0.7.2
[INFO] [stderr]    Compiling proptest-derive v0.1.2
[INFO] [stderr]    Compiling ring-channel v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "ea5a35c984575df34dddc5bd79c7b231daae889c3884b5705c3af7523fbbb6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5a35c984575df34dddc5bd79c7b231daae889c3884b5705c3af7523fbbb6a8", kill_on_drop: false }`
[INFO] [stdout] ea5a35c984575df34dddc5bd79c7b231daae889c3884b5705c3af7523fbbb6a8
[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" "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" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4951c0f9f81dcde0c76f311758be5d4c51f53d4c92ff11a725acde5ce241b332
[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" "4951c0f9f81dcde0c76f311758be5d4c51f53d4c92ff11a725acde5ce241b332", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ring_channel-25e6f54918a5df71
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test buffer::tests::cell ... ok
[INFO] [stdout] test channel::tests::channel_is_disconnected_if_there_are_no_senders ... ok
[INFO] [stdout] test channel::tests::cloning_sender_increments_senders ... ok
[INFO] [stdout] test channel::tests::cloning_receiver_increments_receivers_counter ... ok
[INFO] [stdout] test channel::tests::channel_is_disconnected_if_there_are_no_receivers ... ok
[INFO] [stdout] test channel::tests::dropping_sender_decrements_senders_counter ... ok
[INFO] [stdout] test channel::tests::dropping_receiver_decrements_receivers_counter ... ok
[INFO] [stdout] test buffer::tests::queue ... ok
[INFO] [stdout] test channel::tests::receivers_are_equal_if_they_are_associated_with_the_same_ring_channel ... ok
[INFO] [stdout] test buffer::tests::capacity ... ok
[INFO] [stdout] test channel::tests::ring_channel_is_associated_with_a_single_control_block ... ok
[INFO] [stdout] test channel::tests::senders_are_equal_if_they_are_associated_with_the_same_ring_channel ... ok
[INFO] [stdout] test buffer::tests::overflow ... ok
[INFO] [stdout] test channel::tests::try_recv_fails_on_empty_connected_channel ... ok
[INFO] [stdout] test channel::tests::endpoints_are_safe_to_send_across_threads ... ok
[INFO] [stdout] test channel::tests::recv_wakes_on_disconnect ... ok
[INFO] [stdout] test channel::tests::stream_wakes_on_disconnect ... ok
[INFO] [stdout] test channel::tests::recv_wakes_on_send_all ... ok
[INFO] [stdout] test control::tests::control_block_starts_connected ... ok
[INFO] [stdout] test control::tests::control_block_starts_with_reference_counters_equal_to_one ... ok
[INFO] [stdout] test control::tests::control_block_allocates_buffer_given_capacity ... ok
[INFO] [stdout] test error::tests::send_error_implements_error_trait ... ok
[INFO] [stdout] test error::tests::recv_error_implements_error_trait ... ok
[INFO] [stdout] test error::tests::try_recv_error_implements_error_trait ... ok
[INFO] [stdout] test channel::tests::try_recv_fails_on_empty_disconnected_channel ... ok
[INFO] [stdout] test channel::tests::stream_wakes_on_send_all ... ok
[INFO] [stdout] test waitlist::tests::waitlist_starts_empty ... ok
[INFO] [stdout] test channel::tests::recv_fails_on_empty_disconnected_channel ... ok
[INFO] [stdout] test waitlist::tests::wait_ignores_redundant_wakers ... ok
[INFO] [stdout] test channel::tests::stream_wakes_on_send ... ok
[INFO] [stdout] test channel::tests::recv_wakes_on_send ... ok
[INFO] [stdout] test channel::tests::sink ... ok
[INFO] [stdout] test waitlist::tests::wakers_are_woken_exactly_once ... ok
[INFO] [stdout] test waitlist::tests::wait_stores_wakers ... ok
[INFO] [stdout] test waitlist::tests::waitlist_is_thread_safe ... ok
[INFO] [stdout] test channel::tests::send_overwrites_old_messages ... ok
[INFO] [stdout] test channel::tests::stream ... ok
[INFO] [stdout] test channel::tests::send_succeeds_on_connected_channel ... ok
[INFO] [stdout] test channel::tests::try_recv_succeeds_on_non_empty_connected_channel ... ok
[INFO] [stdout] test channel::tests::recv_succeeds_on_non_empty_disconnected_channel ... ok
[INFO] [stdout] test channel::tests::recv_succeeds_on_non_empty_connected_channel ... ok
[INFO] [stdout] test channel::tests::send_fails_on_disconnected_channel ... ok
[INFO] [stdout] test channel::tests::try_recv_succeeds_on_non_empty_disconnected_channel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ring-channel
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/channel.rs - channel::ring_channel (line 201) ... ok
[INFO] [stdout] test src/lib.rs -  (line 25) ... ok
[INFO] [stdout] test src/lib.rs -  (line 100) ... ok
[INFO] [stdout] test src/lib.rs -  (line 67) ... ok
[INFO] [stdout] test src/lib.rs -  (line 133) ... ok
[INFO] [stdout] test src/lib.rs -  (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4951c0f9f81dcde0c76f311758be5d4c51f53d4c92ff11a725acde5ce241b332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4951c0f9f81dcde0c76f311758be5d4c51f53d4c92ff11a725acde5ce241b332", kill_on_drop: false }`
[INFO] [stdout] 4951c0f9f81dcde0c76f311758be5d4c51f53d4c92ff11a725acde5ce241b332