[INFO] fetching crate ring-channel 0.8.2... [INFO] testing ring-channel-0.8.2 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate ring-channel 0.8.2 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate ring-channel 0.8.2 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef3367ac98d99e1ff2d4af6157b6d784ce98eb523b72db566fe98a100e87119b [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" "ef3367ac98d99e1ff2d4af6157b6d784ce98eb523b72db566fe98a100e87119b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef3367ac98d99e1ff2d4af6157b6d784ce98eb523b72db566fe98a100e87119b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef3367ac98d99e1ff2d4af6157b6d784ce98eb523b72db566fe98a100e87119b", kill_on_drop: false }` [INFO] [stdout] ef3367ac98d99e1ff2d4af6157b6d784ce98eb523b72db566fe98a100e87119b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 6c465d65373b91e46aab794e74c5f36c4deeba760c46186804d24c3febd7aed4 [INFO] running `Command { std: "docker" "start" "-a" "6c465d65373b91e46aab794e74c5f36c4deeba760c46186804d24c3febd7aed4", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling futures-core v0.3.8 [INFO] [stderr] Compiling futures-sink v0.3.8 [INFO] [stderr] Compiling futures-io v0.3.8 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling futures-task v0.3.8 [INFO] [stderr] Compiling spinning_top v0.1.1 [INFO] [stderr] Compiling futures-channel v0.3.8 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling derivative v2.1.1 [INFO] [stderr] Compiling pin-project v1.0.2 [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 49.65s [INFO] running `Command { std: "docker" "inspect" "6c465d65373b91e46aab794e74c5f36c4deeba760c46186804d24c3febd7aed4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c465d65373b91e46aab794e74c5f36c4deeba760c46186804d24c3febd7aed4", kill_on_drop: false }` [INFO] [stdout] 6c465d65373b91e46aab794e74c5f36c4deeba760c46186804d24c3febd7aed4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 533bdcdacd7677b79838c860871652cbe17181543e982d1a0998b5e69c294fdc [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" "533bdcdacd7677b79838c860871652cbe17181543e982d1a0998b5e69c294fdc", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling predicates-core v1.0.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling half v1.6.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling fragile v1.0.0 [INFO] [stderr] Compiling downcast v0.10.0 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling itertools v0.9.0 [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 v0.1.15 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling predicates-tree v1.0.0 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling mockall_derive v0.7.2 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling bstr v0.2.14 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling rusty-fork v0.2.2 [INFO] [stderr] Compiling csv v1.1.5 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling proptest v0.9.6 [INFO] [stderr] Compiling predicates v1.0.5 [INFO] [stderr] Compiling mockall v0.7.2 [INFO] [stderr] Compiling criterion v0.3.3 [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 2m 03s [INFO] running `Command { std: "docker" "inspect" "533bdcdacd7677b79838c860871652cbe17181543e982d1a0998b5e69c294fdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "533bdcdacd7677b79838c860871652cbe17181543e982d1a0998b5e69c294fdc", kill_on_drop: false }` [INFO] [stdout] 533bdcdacd7677b79838c860871652cbe17181543e982d1a0998b5e69c294fdc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9963d3f475012d37c74469c04a055986c2fae216008b2de020d95c457097033d [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" "9963d3f475012d37c74469c04a055986c2fae216008b2de020d95c457097033d", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.22s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ring_channel-6dda3f23da6eeb6d [INFO] [stdout] [INFO] [stdout] running 43 tests [INFO] [stdout] test channel::tests::cloning_receiver_increments_receivers_counter ... ok [INFO] [stdout] test channel::tests::receivers_are_equal_if_they_are_associated_with_the_same_ring_channel ... ok [INFO] [stdout] test channel::tests::cloning_sender_increments_senders ... ok [INFO] [stdout] test channel::tests::dropping_receiver_decrements_receivers_counter ... ok [INFO] [stdout] test buffer::tests::queue ... ok [INFO] [stdout] test channel::tests::dropping_sender_decrements_senders_counter ... ok [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::senders_are_equal_if_they_are_associated_with_the_same_ring_channel ... ok [INFO] [stdout] test channel::tests::channel_is_disconnected_if_there_are_no_receivers ... ok [INFO] [stdout] test channel::tests::ring_channel_is_associated_with_a_single_control_block ... ok [INFO] [stdout] test buffer::tests::capacity ... ok [INFO] [stdout] test buffer::tests::overflow ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_disconnect ... 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 channel::tests::endpoints_are_safe_to_send_across_threads ... ok [INFO] [stdout] test channel::tests::try_recv_fails_on_empty_disconnected_channel ... ok [INFO] [stdout] test control::tests::control_block_starts_connected ... ok [INFO] [stdout] test control::tests::control_block_allocates_buffer_given_capacity ... ok [INFO] [stdout] test control::tests::control_block_starts_with_reference_counters_equal_to_one ... ok [INFO] [stdout] test error::tests::send_error_implements_error_trait ... ok [INFO] [stdout] test channel::tests::stream_wakes_on_send_all ... 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::stream_wakes_on_disconnect ... ok [INFO] [stdout] test waitlist::tests::waitlist_starts_empty ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_send_all ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_send ... ok [INFO] [stdout] test channel::tests::stream_wakes_on_send ... ok [INFO] [stdout] test waitlist::tests::wait_ignores_redundant_wakers ... ok [INFO] [stdout] test waitlist::tests::waitlist_is_thread_safe ... ok [INFO] [stdout] test waitlist::tests::wait_stores_wakers ... ok [INFO] [stdout] test channel::tests::send_overwrites_old_messages ... ok [INFO] [stdout] test waitlist::tests::wakers_are_woken_exactly_once ... ok [INFO] [stdout] test channel::tests::stream ... ok [INFO] [stdout] test channel::tests::sink ... ok [INFO] [stdout] test channel::tests::send_fails_on_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::recv_succeeds_on_non_empty_disconnected_channel ... ok [INFO] [stderr] Doc-tests ring-channel [INFO] [stdout] test channel::tests::try_recv_succeeds_on_non_empty_disconnected_channel ... ok [INFO] [stdout] test channel::tests::try_recv_succeeds_on_non_empty_connected_channel ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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 67) ... ok [INFO] [stdout] test src/lib.rs - (line 25) ... ok [INFO] [stdout] test src/lib.rs - (line 41) ... ok [INFO] [stdout] test src/lib.rs - (line 100) ... 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 `Command { std: "docker" "inspect" "9963d3f475012d37c74469c04a055986c2fae216008b2de020d95c457097033d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9963d3f475012d37c74469c04a055986c2fae216008b2de020d95c457097033d", kill_on_drop: false }` [INFO] [stdout] 9963d3f475012d37c74469c04a055986c2fae216008b2de020d95c457097033d