[INFO] fetching crate ring-channel 0.8.2... [INFO] testing ring-channel-0.8.2 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate ring-channel 0.8.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate ring-channel 0.8.2 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded spinning_top v0.1.1 [INFO] [stderr] Downloaded mockall_derive v0.7.2 [INFO] [stderr] Downloaded mockall v0.7.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bce08e8910c1ac3798d3a2637210d365b0dfba41a844751a4a3d7782e75c2eef [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" "bce08e8910c1ac3798d3a2637210d365b0dfba41a844751a4a3d7782e75c2eef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bce08e8910c1ac3798d3a2637210d365b0dfba41a844751a4a3d7782e75c2eef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bce08e8910c1ac3798d3a2637210d365b0dfba41a844751a4a3d7782e75c2eef", kill_on_drop: false }` [INFO] [stdout] bce08e8910c1ac3798d3a2637210d365b0dfba41a844751a4a3d7782e75c2eef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b62dc3ea0319af9426cedca4856e672a8db46ef8fdccb61403502757d7c499f5 [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" "b62dc3ea0319af9426cedca4856e672a8db46ef8fdccb61403502757d7c499f5", kill_on_drop: false }` [INFO] [stderr] Compiling spinning_top v0.1.1 [INFO] [stderr] Compiling derivative v2.1.3 [INFO] [stderr] Compiling futures-util v0.3.8 [INFO] [stderr] Compiling futures-executor v0.3.8 [INFO] [stderr] Compiling futures v0.3.8 [INFO] [stderr] Compiling ring-channel v0.8.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.03s [INFO] running `Command { std: "docker" "inspect" "b62dc3ea0319af9426cedca4856e672a8db46ef8fdccb61403502757d7c499f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b62dc3ea0319af9426cedca4856e672a8db46ef8fdccb61403502757d7c499f5", kill_on_drop: false }` [INFO] [stdout] b62dc3ea0319af9426cedca4856e672a8db46ef8fdccb61403502757d7c499f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2af783104692d39c7003ee72ed5aeda9ae8baa550773bdff10f27e6febe303b9 [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" "2af783104692d39c7003ee72ed5aeda9ae8baa550773bdff10f27e6febe303b9", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling predicates-core v1.0.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling downcast v0.10.0 [INFO] [stderr] Compiling fragile v1.0.0 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling tinytemplate v1.2.0 [INFO] [stderr] Compiling mockall_derive v0.7.2 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling predicates-tree v1.0.1 [INFO] [stderr] Compiling predicates v1.0.6 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling rusty-fork v0.2.2 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling bstr v0.2.14 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling proptest v0.9.6 [INFO] [stderr] Compiling csv v1.1.5 [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 07s [INFO] running `Command { std: "docker" "inspect" "2af783104692d39c7003ee72ed5aeda9ae8baa550773bdff10f27e6febe303b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2af783104692d39c7003ee72ed5aeda9ae8baa550773bdff10f27e6febe303b9", kill_on_drop: false }` [INFO] [stdout] 2af783104692d39c7003ee72ed5aeda9ae8baa550773bdff10f27e6febe303b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] cd7b906957b3d491035c4069a03ef1c44e512a14befaf00fc61a1b75fb86a680 [INFO] running `Command { std: "docker" "start" "-a" "cd7b906957b3d491035c4069a03ef1c44e512a14befaf00fc61a1b75fb86a680", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.26s [INFO] [stdout] running 43 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ring_channel-ad32ccae635506b4 [INFO] [stdout] test buffer::tests::queue ... ok [INFO] [stdout] test channel::tests::channel_is_disconnected_if_there_are_no_receivers ... ok [INFO] [stdout] test buffer::tests::cell ... ok [INFO] [stdout] test channel::tests::cloning_sender_increments_senders ... ok [INFO] [stdout] test channel::tests::channel_is_disconnected_if_there_are_no_senders ... ok [INFO] [stdout] test channel::tests::dropping_sender_decrements_senders_counter ... ok [INFO] [stdout] test channel::tests::cloning_receiver_increments_receivers_counter ... ok [INFO] [stdout] test channel::tests::dropping_receiver_decrements_receivers_counter ... 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 buffer::tests::overflow ... 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 channel::tests::recv_fails_on_empty_disconnected_channel ... ok [INFO] [stdout] test channel::tests::endpoints_are_safe_to_send_across_threads ... ok [INFO] [stdout] test channel::tests::stream_wakes_on_disconnect ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_disconnect ... 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 error::tests::send_error_implements_error_trait ... ok [INFO] [stdout] test channel::tests::try_recv_fails_on_empty_connected_channel ... ok [INFO] [stdout] test channel::tests::stream_wakes_on_send_all ... ok [INFO] [stdout] test error::tests::try_recv_error_implements_error_trait ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_send ... ok [INFO] [stdout] test waitlist::tests::waitlist_starts_empty ... ok [INFO] [stdout] test channel::tests::try_recv_fails_on_empty_disconnected_channel ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_send_all ... ok [INFO] [stdout] test waitlist::tests::wait_ignores_redundant_wakers ... ok [INFO] [stdout] test channel::tests::stream_wakes_on_send ... ok [INFO] [stdout] test waitlist::tests::waitlist_is_thread_safe ... ok [INFO] [stdout] test waitlist::tests::wait_stores_wakers ... ok [INFO] [stdout] test waitlist::tests::wakers_are_woken_exactly_once ... ok [INFO] [stdout] test channel::tests::stream ... ok [INFO] [stdout] test channel::tests::send_overwrites_old_messages ... ok [INFO] [stdout] test channel::tests::sink ... ok [INFO] [stdout] test channel::tests::send_succeeds_on_connected_channel ... ok [INFO] [stdout] test channel::tests::send_fails_on_disconnected_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::try_recv_succeeds_on_non_empty_connected_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; finished in 9.18s [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 67) ... ok [INFO] [stdout] test src/lib.rs - (line 100) ... ok [INFO] [stdout] test src/lib.rs - (line 41) ... ok [INFO] [stdout] test src/lib.rs - (line 133) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.45s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cd7b906957b3d491035c4069a03ef1c44e512a14befaf00fc61a1b75fb86a680", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd7b906957b3d491035c4069a03ef1c44e512a14befaf00fc61a1b75fb86a680", kill_on_drop: false }` [INFO] [stdout] cd7b906957b3d491035c4069a03ef1c44e512a14befaf00fc61a1b75fb86a680