[INFO] crate ring-channel 0.8.1 is already in cache [INFO] testing ring-channel-0.8.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate ring-channel 0.8.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate ring-channel 0.8.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate ring-channel 0.8.1 [INFO] finished tweaking crates.io crate ring-channel 0.8.1 [INFO] tweaked toml for crates.io crate ring-channel 0.8.1 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2f60eb5a504bf43c96fe576de9bc232cc7214378f2787e1bd7f32faab3c35623 [INFO] running `"docker" "start" "-a" "2f60eb5a504bf43c96fe576de9bc232cc7214378f2787e1bd7f32faab3c35623"` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling derivative v1.0.4 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling ring-channel v0.8.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `"docker" "inspect" "2f60eb5a504bf43c96fe576de9bc232cc7214378f2787e1bd7f32faab3c35623"` [INFO] running `"docker" "rm" "-f" "2f60eb5a504bf43c96fe576de9bc232cc7214378f2787e1bd7f32faab3c35623"` [INFO] [stdout] 2f60eb5a504bf43c96fe576de9bc232cc7214378f2787e1bd7f32faab3c35623 [INFO] running `"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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 042ecbb6c78108d6806a8a72e73e0e1620a1c1294fb65137e360b96d37c0f523 [INFO] running `"docker" "start" "-a" "042ecbb6c78108d6806a8a72e73e0e1620a1c1294fb65137e360b96d37c0f523"` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling predicates-core v1.0.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling oorandom v11.1.0 [INFO] [stderr] Compiling fragile v0.3.0 [INFO] [stderr] Compiling downcast v0.10.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling predicates-tree v1.0.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling mockall_derive v0.6.0 [INFO] [stderr] Compiling proptest-derive v0.1.2 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling float-cmp v0.6.0 [INFO] [stderr] Compiling plotters v0.2.12 [INFO] [stderr] Compiling predicates v1.0.4 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling criterion-plot v0.4.1 [INFO] [stderr] Compiling rusty-fork v0.2.2 [INFO] [stderr] Compiling serde_json v1.0.51 [INFO] [stderr] Compiling bstr v0.2.12 [INFO] [stderr] Compiling proptest v0.9.6 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.0.3 [INFO] [stderr] Compiling criterion v0.3.1 [INFO] [stderr] Compiling mockall v0.6.0 [INFO] [stderr] Compiling ring-channel v0.8.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2m 43s [INFO] running `"docker" "inspect" "042ecbb6c78108d6806a8a72e73e0e1620a1c1294fb65137e360b96d37c0f523"` [INFO] running `"docker" "rm" "-f" "042ecbb6c78108d6806a8a72e73e0e1620a1c1294fb65137e360b96d37c0f523"` [INFO] [stdout] 042ecbb6c78108d6806a8a72e73e0e1620a1c1294fb65137e360b96d37c0f523 [INFO] running `"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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a1449b8e099eb5cb6d7108a885bbc32c7ae1909db02782e9dde13e13eda89c20 [INFO] running `"docker" "start" "-a" "a1449b8e099eb5cb6d7108a885bbc32c7ae1909db02782e9dde13e13eda89c20"` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.38s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ring_channel-5347ea12d0f2b9bd [INFO] [stdout] [INFO] [stdout] running 43 tests [INFO] [stdout] test channel::tests::cloning_sender_increments_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 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::dropping_receiver_decrements_receivers_counter ... ok [INFO] [stdout] test buffer::tests::cell ... ok [INFO] [stdout] test channel::tests::receivers_are_equal_if_they_are_associated_with_the_same_ring_channel ... ok [INFO] [stdout] test buffer::tests::queue ... ok [INFO] [stdout] test buffer::tests::capacity ... ok [INFO] [stdout] test channel::tests::endpoints_are_safe_to_send_across_threads ... ok [INFO] [stdout] test channel::tests::ring_channel_is_associated_with_a_single_control_block ... ok [INFO] [stdout] test buffer::tests::overflow ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_disconnect ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_send_all ... 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::recv_wakes_on_send ... ok [INFO] [stdout] test channel::tests::stream_wakes_on_disconnect ... ok [INFO] [stdout] test channel::tests::stream_wakes_on_send ... ok [INFO] [stdout] test channel::tests::stream_wakes_on_send_all ... ok [INFO] [stdout] test channel::tests::try_recv_fails_on_empty_connected_channel ... ok [INFO] [stdout] test channel::tests::try_recv_fails_on_empty_disconnected_channel ... ok [INFO] [stdout] test channel::tests::stream ... ok [INFO] [stdout] test channel::tests::send_overwrites_old_messages ... 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 error::tests::try_recv_error_implements_error_trait ... ok [INFO] [stdout] test waitlist::tests::wait_ignores_redundant_wakers ... ok [INFO] [stdout] test waitlist::tests::wait_stores_wakers ... ok [INFO] [stdout] test channel::tests::sink ... ok [INFO] [stdout] test waitlist::tests::waitlist_starts_empty ... 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_succeeds_on_connected_channel ... ok [INFO] [stdout] test channel::tests::send_fails_on_disconnected_channel ... ok [INFO] [stdout] test waitlist::tests::waitlist_is_thread_safe ... ok [INFO] [stdout] test waitlist::tests::wakers_are_woken_exactly_once ... 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 [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 41) ... 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] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "a1449b8e099eb5cb6d7108a885bbc32c7ae1909db02782e9dde13e13eda89c20"` [INFO] running `"docker" "rm" "-f" "a1449b8e099eb5cb6d7108a885bbc32c7ae1909db02782e9dde13e13eda89c20"` [INFO] [stdout] a1449b8e099eb5cb6d7108a885bbc32c7ae1909db02782e9dde13e13eda89c20