[INFO] fetching crate ring-channel 0.11.0... [INFO] testing ring-channel-0.11.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate ring-channel 0.11.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate ring-channel 0.11.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ring-channel 0.11.0 [INFO] finished tweaking crates.io crate ring-channel 0.11.0 [INFO] tweaked toml for crates.io crate ring-channel 0.11.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] a1c2a529139cec119e1f41bf8a3fb124a50ff98060e415c79cdcac50da1eb50e [INFO] running `Command { std: "docker" "start" "-a" "a1c2a529139cec119e1f41bf8a3fb124a50ff98060e415c79cdcac50da1eb50e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1c2a529139cec119e1f41bf8a3fb124a50ff98060e415c79cdcac50da1eb50e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1c2a529139cec119e1f41bf8a3fb124a50ff98060e415c79cdcac50da1eb50e", kill_on_drop: false }` [INFO] [stdout] a1c2a529139cec119e1f41bf8a3fb124a50ff98060e415c79cdcac50da1eb50e [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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] c24e0e754b94636426e1d2a0b8a2b42db308eed6b9ae838ae7696f1060e11bf4 [INFO] running `Command { std: "docker" "start" "-a" "c24e0e754b94636426e1d2a0b8a2b42db308eed6b9ae838ae7696f1060e11bf4", kill_on_drop: false }` [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling spin v0.9.2 [INFO] [stderr] Compiling slotmap v1.0.6 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling futures-executor v0.3.21 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling ring-channel v0.11.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.00s [INFO] running `Command { std: "docker" "inspect" "c24e0e754b94636426e1d2a0b8a2b42db308eed6b9ae838ae7696f1060e11bf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c24e0e754b94636426e1d2a0b8a2b42db308eed6b9ae838ae7696f1060e11bf4", kill_on_drop: false }` [INFO] [stdout] c24e0e754b94636426e1d2a0b8a2b42db308eed6b9ae838ae7696f1060e11bf4 [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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 920948fb60a23409e2c1f783e588d3c52cfa0a37c79318eed1f10338e04cdf8a [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" "920948fb60a23409e2c1f783e588d3c52cfa0a37c79318eed1f10338e04cdf8a", kill_on_drop: false }` [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling rand_xorshift v0.3.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling proptest v1.0.0 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling structmeta-derive v0.1.4 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling structmeta v0.1.4 [INFO] [stderr] Compiling test-strategy v0.1.2 [INFO] [stderr] Compiling ring-channel v0.11.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling criterion v0.3.5 [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 33s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ring_channel-029de766425f1fe3) [INFO] running `Command { std: "docker" "inspect" "920948fb60a23409e2c1f783e588d3c52cfa0a37c79318eed1f10338e04cdf8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "920948fb60a23409e2c1f783e588d3c52cfa0a37c79318eed1f10338e04cdf8a", kill_on_drop: false }` [INFO] [stdout] 920948fb60a23409e2c1f783e588d3c52cfa0a37c79318eed1f10338e04cdf8a [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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 94216a0de5c4adc9ce7adb9c527cb23613f886c263a56c04b4deea1f67976643 [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" "94216a0de5c4adc9ce7adb9c527cb23613f886c263a56c04b4deea1f67976643", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ring_channel-029de766425f1fe3) [INFO] [stdout] [INFO] [stdout] running 61 tests [INFO] [stdout] test atomic::tests::swap_replaces_item ... ok [INFO] [stdout] test channel::tests::channel_is_disconnected_if_there_are_no_senders ... ok [INFO] [stdout] test channel::tests::channel_is_disconnected_if_there_are_no_receivers ... ok [INFO] [stdout] test channel::tests::cloning_receiver_increments_receivers_counter ... ok [INFO] [stdout] test atomic::tests::store_inserts_item ... ok [INFO] [stdout] test atomic::tests::get_clones_the_item ... ok [INFO] [stdout] test channel::tests::cloning_sender_increments_senders ... ok [INFO] [stdout] test channel::tests::cloning_receiver_registers_waitlist_slot ... ok [INFO] [stdout] test atomic::tests::falls_back_to_boxing_for_large_types ... ok [INFO] [stdout] test buffer::tests::atomic_option_is_used_when_capacity_is_one ... ok [INFO] [stdout] test atomic::tests::take_removes_item ... ok [INFO] [stdout] test channel::tests::dropping_sender_decrements_senders_counter ... ok [INFO] [stdout] test channel::tests::dropping_receiver_deregisters_waitlist_slot ... ok [INFO] [stdout] test channel::tests::endpoints_are_safe_to_share_across_threads ... ok [INFO] [stdout] test buffer::tests::capacity_returns_the_maximum_buffer_size ... ok [INFO] [stdout] test channel::tests::dropping_receiver_decrements_receivers_counter ... ok [INFO] [stdout] test channel::tests::endpoints_are_safe_to_send_across_threads ... ok [INFO] [stdout] test channel::tests::cloning_sender_resets_backoff_flag ... ok [INFO] [stdout] test channel::tests::receiver_withdraws_waker_if_channel_not_empty ... ok [INFO] [stdout] test channel::tests::receiver_stores_most_recent_waker_if_channel_is_empty ... ok [INFO] [stdout] test channel::tests::receivers_are_equal_if_they_are_associated_with_the_same_ring_channel ... ok [INFO] [stdout] test buffer::tests::oldest_items_are_overwritten_on_overflow ... ok [INFO] [stdout] test channel::tests::sender_sets_backoff_to_true_if_sink_overwrites_on_send ... ok [INFO] [stdout] test channel::tests::send_overwrites_old_messages ... ok [INFO] [stdout] test channel::tests::senders_are_equal_even_if_backoff_is_different ... ok [INFO] [stdout] test channel::tests::sender_yields_once_on_poll_ready_if_backoff_is_true ... ok [INFO] [stdout] test channel::tests::senders_are_equal_if_they_are_associated_with_the_same_ring_channel ... ok [INFO] [stdout] test channel::tests::ring_channel_is_associated_with_a_single_control_block ... ok [INFO] [stdout] test buffer::tests::new_panics_if_capacity_is_zero - should panic ... ok [INFO] [stdout] test channel::tests::sender_implements_sink ... ok [INFO] [stdout] test channel::tests::receiver_implements_stream ... ok [INFO] [stdout] test control::tests::control_block_allocates_buffer_given_capacity ... 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 error::tests::recv_error_implements_error_trait ... ok [INFO] [stdout] test channel::tests::stream_wakes_on_disconnect ... ok [INFO] [stdout] test error::tests::send_error_implements_error_trait ... ok [INFO] [stdout] test waitlist::tests::deregister_deallocates_slot ... ok [INFO] [stdout] test error::tests::try_recv_error_implements_error_trait ... ok [INFO] [stdout] test waitlist::tests::deregister_returns_current_item ... ok [INFO] [stdout] test waitlist::tests::get_clones_item ... ok [INFO] [stdout] test waitlist::tests::inserts_replaces_current_item ... ok [INFO] [stdout] test waitlist::tests::pop_removes_one_item_from_any_slot ... ok [INFO] [stdout] test waitlist::tests::register_allocates_slot ... ok [INFO] [stdout] test waitlist::tests::remove_takes_item ... ok [INFO] [stdout] test waitlist::tests::waitlist_starts_empty ... ok [INFO] [stdout] test channel::tests::stream_wakes_on_sink ... ok [INFO] [stdout] test channel::tests::try_recv_fails_on_empty_connected_channel ... ok [INFO] [stdout] test channel::tests::recv_fails_on_empty_disconnected_channel ... ok [INFO] [stdout] test atomic::tests::atomic_option_is_linearizable ... 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_fails_on_empty_disconnected_channel ... ok [INFO] [stdout] test channel::tests::recv_succeeds_on_non_empty_disconnected_channel ... ok [INFO] [stdout] test channel::tests::try_recv_succeeds_on_non_empty_connected_channel ... ok [INFO] [stdout] test channel::tests::send_succeeds_on_connected_channel ... ok [INFO] [stdout] test buffer::tests::buffer_is_linearizable ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_disconnect ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_send ... ok [INFO] [stdout] test channel::tests::try_recv_succeeds_on_non_empty_disconnected_channel ... ok [INFO] [stdout] test waitlist::tests::waitlist_is_linearizable ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 61 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 30.87s [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 265) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 69) ... ok [INFO] [stdout] test src/lib.rs - (line 141) ... ok [INFO] [stdout] test src/lib.rs - (line 108) ... ok [INFO] [stdout] test src/lib.rs - (line 42) ... ok [INFO] [stdout] test src/lib.rs - (line 25) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.18s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "94216a0de5c4adc9ce7adb9c527cb23613f886c263a56c04b4deea1f67976643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94216a0de5c4adc9ce7adb9c527cb23613f886c263a56c04b4deea1f67976643", kill_on_drop: false }` [INFO] [stdout] 94216a0de5c4adc9ce7adb9c527cb23613f886c263a56c04b4deea1f67976643