[INFO] fetching crate ring-channel 0.9.0... [INFO] testing ring-channel-0.9.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate ring-channel 0.9.0 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate ring-channel 0.9.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ring-channel 0.9.0 [INFO] finished tweaking crates.io crate ring-channel 0.9.0 [INFO] tweaked toml for crates.io crate ring-channel 0.9.0 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proptest-derive v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c61d3972c69b52875d8252836a344fba3a84f57e076f176e6f9eb07fd92f2f8 [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" "4c61d3972c69b52875d8252836a344fba3a84f57e076f176e6f9eb07fd92f2f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c61d3972c69b52875d8252836a344fba3a84f57e076f176e6f9eb07fd92f2f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c61d3972c69b52875d8252836a344fba3a84f57e076f176e6f9eb07fd92f2f8", kill_on_drop: false }` [INFO] [stdout] 4c61d3972c69b52875d8252836a344fba3a84f57e076f176e6f9eb07fd92f2f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49e12e6d2c77673c06c9d4d4718eecc78c31b77dd6cbfb386d58949e882540f1 [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" "49e12e6d2c77673c06c9d4d4718eecc78c31b77dd6cbfb386d58949e882540f1", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling futures-sink v0.3.17 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-io v0.3.17 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling spinning_top v0.2.4 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling futures-executor v0.3.17 [INFO] [stderr] Compiling futures v0.3.17 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling ring-channel v0.9.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.17s [INFO] running `Command { std: "docker" "inspect" "49e12e6d2c77673c06c9d4d4718eecc78c31b77dd6cbfb386d58949e882540f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49e12e6d2c77673c06c9d4d4718eecc78c31b77dd6cbfb386d58949e882540f1", kill_on_drop: false }` [INFO] [stdout] 49e12e6d2c77673c06c9d4d4718eecc78c31b77dd6cbfb386d58949e882540f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--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] 2886499bd787c9b0d58b0a7255383083537e49710c270cb18da04212ee604867 [INFO] running `Command { std: "docker" "start" "-a" "2886499bd787c9b0d58b0a7255383083537e49710c270cb18da04212ee604867", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling futures-io v0.3.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling cache-padded v1.1.1 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling fastrand v1.5.0 [INFO] [stderr] Compiling event-listener v2.5.1 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling async-task v4.0.3 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling signal-hook v0.3.10 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling serde_json v1.0.71 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling termtree v0.2.3 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling downcast v0.10.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling fragile v1.0.0 [INFO] [stderr] Compiling quick-error v2.0.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling async-lock v2.4.0 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling predicates-tree v1.0.4 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Compiling proptest-derive v0.3.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling socket2 v0.4.2 [INFO] [stderr] Compiling polling v2.2.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling blocking v1.1.0 [INFO] [stderr] Compiling async-io v1.6.0 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand_xorshift v0.3.0 [INFO] [stderr] Compiling async-fs v1.5.0 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling async-net v1.6.1 [INFO] [stderr] Compiling async-process v1.3.0 [INFO] [stderr] Compiling smol v1.2.5 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling rusty-fork v0.3.0 [INFO] [stderr] Compiling proptest v1.0.0 [INFO] [stderr] Compiling futures-executor v0.3.17 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling futures v0.3.17 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling mockall_derive v0.10.2 [INFO] [stderr] Compiling ring-channel v0.9.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling criterion v0.3.5 [INFO] [stderr] Compiling mockall v0.10.2 [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2m 42s [INFO] running `Command { std: "docker" "inspect" "2886499bd787c9b0d58b0a7255383083537e49710c270cb18da04212ee604867", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2886499bd787c9b0d58b0a7255383083537e49710c270cb18da04212ee604867", kill_on_drop: false }` [INFO] [stdout] 2886499bd787c9b0d58b0a7255383083537e49710c270cb18da04212ee604867 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8edfcb176957713aa15ea58569b83164ba1ffe25d7b2dd0506843df84a79f8e1 [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" "8edfcb176957713aa15ea58569b83164ba1ffe25d7b2dd0506843df84a79f8e1", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ring_channel-171a62450527c4a1) [INFO] [stdout] [INFO] [stdout] running 43 tests [INFO] [stdout] test channel::tests::channel_is_disconnected_if_there_are_no_receivers ... 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::ring_channel_is_associated_with_a_single_control_block ... 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_receiver_increments_receivers_counter ... ok [INFO] [stdout] test channel::tests::dropping_receiver_decrements_receivers_counter ... ok [INFO] [stdout] test buffer::tests::queue ... ok [INFO] [stdout] test buffer::tests::cell ... ok [INFO] [stdout] test channel::tests::senders_are_equal_if_they_are_associated_with_the_same_ring_channel ... ok [INFO] [stdout] test channel::tests::dropping_sender_decrements_senders_counter ... ok [INFO] [stdout] test buffer::tests::capacity ... ok [INFO] [stdout] test buffer::tests::overflow ... ok [INFO] [stdout] test channel::tests::recv_fails_on_empty_disconnected_channel ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_send_all ... 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::try_recv_fails_on_empty_connected_channel ... 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 channel::tests::recv_wakes_on_disconnect ... ok [INFO] [stdout] test channel::tests::stream_wakes_on_send_all ... ok [INFO] [stdout] test control::tests::control_block_allocates_buffer_given_capacity ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_send ... ok [INFO] [stdout] test error::tests::recv_error_implements_error_trait ... ok [INFO] [stdout] test channel::tests::try_recv_fails_on_empty_disconnected_channel ... ok [INFO] [stdout] test waitlist::tests::waitlist_starts_empty ... 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 channel::tests::stream_wakes_on_send ... ok [INFO] [stdout] test waitlist::tests::wait_ignores_redundant_wakers ... ok [INFO] [stdout] test channel::tests::sink ... ok [INFO] [stdout] test channel::tests::send_overwrites_old_messages ... ok [INFO] [stdout] test channel::tests::stream ... ok [INFO] [stdout] test waitlist::tests::wakers_are_woken_exactly_once ... 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_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_connected_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_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; finished in 15.71s [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 209) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 104) ... ok [INFO] [stdout] test src/lib.rs - (line 25) ... ok [INFO] [stdout] test src/lib.rs - (line 42) ... ok [INFO] [stdout] test src/lib.rs - (line 69) ... ok [INFO] [stdout] test src/lib.rs - (line 137) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.95s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8edfcb176957713aa15ea58569b83164ba1ffe25d7b2dd0506843df84a79f8e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8edfcb176957713aa15ea58569b83164ba1ffe25d7b2dd0506843df84a79f8e1", kill_on_drop: false }` [INFO] [stdout] 8edfcb176957713aa15ea58569b83164ba1ffe25d7b2dd0506843df84a79f8e1