[INFO] fetching crate ring-channel 0.12.0... [INFO] testing ring-channel-0.12.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate ring-channel 0.12.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate ring-channel 0.12.0 [INFO] finished tweaking crates.io crate ring-channel 0.12.0 [INFO] tweaked toml for crates.io crate ring-channel 0.12.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ring-channel 0.12.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 107 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.5.1 (available: v0.7.0) [INFO] [stderr] Adding spin v0.9.8 (available: v0.10.0) [INFO] [stderr] Adding test-strategy v0.3.1 (available: v0.4.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a290de75d19253940f72d792c10c4aeff71c933b9305b386567452f3fb3403f [INFO] running `Command { std: "docker" "start" "-a" "2a290de75d19253940f72d792c10c4aeff71c933b9305b386567452f3fb3403f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a290de75d19253940f72d792c10c4aeff71c933b9305b386567452f3fb3403f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a290de75d19253940f72d792c10c4aeff71c933b9305b386567452f3fb3403f", kill_on_drop: false }` [INFO] [stdout] 2a290de75d19253940f72d792c10c4aeff71c933b9305b386567452f3fb3403f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17b099e6c1bb805d16e711e93546da7b78bb4ca2b8f447a9a0bfe356466ecd50 [INFO] running `Command { std: "docker" "start" "-a" "17b099e6c1bb805d16e711e93546da7b78bb4ca2b8f447a9a0bfe356466ecd50", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling slotmap v1.0.7 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling ring-channel v0.12.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s [INFO] running `Command { std: "docker" "inspect" "17b099e6c1bb805d16e711e93546da7b78bb4ca2b8f447a9a0bfe356466ecd50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17b099e6c1bb805d16e711e93546da7b78bb4ca2b8f447a9a0bfe356466ecd50", kill_on_drop: false }` [INFO] [stdout] 17b099e6c1bb805d16e711e93546da7b78bb4ca2b8f447a9a0bfe356466ecd50 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 762499ee8a14e8d01fde3d88b96b3ea85f5be29789d4d42f338d9a3e1f78fb28 [INFO] running `Command { std: "docker" "start" "-a" "762499ee8a14e8d01fde3d88b96b3ea85f5be29789d4d42f338d9a3e1f78fb28", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling half v2.6.0 [INFO] [stderr] Compiling anstyle v1.0.13 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling is-terminal v0.4.16 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling clap_builder v4.5.48 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling ring-channel v0.12.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling rand v0.9.2 [INFO] [stderr] Compiling rand_xorshift v0.4.0 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling proptest v1.8.0 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling clap v4.5.48 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling structmeta-derive v0.2.0 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling structmeta v0.2.0 [INFO] [stderr] Compiling test-strategy v0.3.1 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling criterion v0.5.1 [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 27.13s [INFO] running `Command { std: "docker" "inspect" "762499ee8a14e8d01fde3d88b96b3ea85f5be29789d4d42f338d9a3e1f78fb28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "762499ee8a14e8d01fde3d88b96b3ea85f5be29789d4d42f338d9a3e1f78fb28", kill_on_drop: false }` [INFO] [stdout] 762499ee8a14e8d01fde3d88b96b3ea85f5be29789d4d42f338d9a3e1f78fb28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d3def33e1acf22e2289b7f6b16c34ae08dc5fb8e9b836ada6546b0257a12876e [INFO] running `Command { std: "docker" "start" "-a" "d3def33e1acf22e2289b7f6b16c34ae08dc5fb8e9b836ada6546b0257a12876e", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ring_channel-b5a4ea0dd38a7c85) [INFO] [stdout] [INFO] [stdout] running 61 tests [INFO] [stdout] test atomic::tests::falls_back_to_boxing_for_large_types ... ok [INFO] [stdout] test atomic::tests::get_clones_the_item ... ok [INFO] [stdout] test atomic::tests::take_removes_item ... ok [INFO] [stdout] test buffer::tests::capacity_returns_the_maximum_buffer_size ... ok [INFO] [stdout] test channel::tests::channel_is_disconnected_if_there_are_no_senders ... ok [INFO] [stdout] test buffer::tests::atomic_option_is_used_when_capacity_is_one ... ok [INFO] [stdout] test channel::tests::channel_is_disconnected_if_there_are_no_receivers ... ok [INFO] [stdout] test atomic::tests::store_inserts_item ... ok [INFO] [stdout] test channel::tests::cloning_receiver_registers_waitlist_slot ... ok [INFO] [stdout] test channel::tests::cloning_sender_increments_senders ... ok [INFO] [stdout] test channel::tests::endpoints_are_safe_to_share_across_threads ... ok [INFO] [stdout] test channel::tests::dropping_receiver_decrements_receivers_counter ... ok [INFO] [stdout] test channel::tests::cloning_sender_resets_backoff_flag ... ok [INFO] [stdout] test buffer::tests::oldest_items_are_overwritten_on_overflow ... ok [INFO] [stdout] test channel::tests::endpoints_are_safe_to_send_across_threads ... ok [INFO] [stdout] test channel::tests::dropping_receiver_deregisters_waitlist_slot ... ok [INFO] [stdout] test channel::tests::dropping_sender_decrements_senders_counter ... ok [INFO] [stdout] test channel::tests::receiver_stores_most_recent_waker_if_channel_is_empty ... ok [INFO] [stdout] test atomic::tests::swap_replaces_item ... ok [INFO] [stdout] test channel::tests::cloning_receiver_increments_receivers_counter ... ok [INFO] [stdout] test channel::tests::receiver_withdraws_waker_if_channel_not_empty ... ok [INFO] [stdout] test channel::tests::receivers_are_equal_if_they_are_associated_with_the_same_ring_channel ... ok [INFO] [stdout] test channel::tests::send_overwrites_old_messages ... ok [INFO] [stdout] test channel::tests::ring_channel_is_associated_with_a_single_control_block ... ok [INFO] [stdout] test channel::tests::sender_sets_backoff_to_true_if_sink_overwrites_on_send ... ok [INFO] [stdout] test channel::tests::senders_are_equal_if_they_are_associated_with_the_same_ring_channel ... 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 buffer::tests::new_panics_if_capacity_is_zero - should panic ... ok [INFO] [stdout] test channel::tests::stream_wakes_on_sink ... ok [INFO] [stdout] test channel::tests::sender_implements_sink ... 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 channel::tests::receiver_implements_stream ... ok [INFO] [stdout] test error::tests::recv_error_implements_error_trait ... 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 error::tests::try_recv_error_implements_error_trait ... ok [INFO] [stdout] test waitlist::tests::deregister_deallocates_slot ... 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_disconnect ... ok [INFO] [stdout] test channel::tests::send_fails_on_disconnected_channel ... ok [INFO] [stdout] test channel::tests::try_recv_succeeds_on_non_empty_connected_channel ... ok [INFO] [stdout] test channel::tests::recv_fails_on_empty_disconnected_channel ... ok [INFO] [stdout] test channel::tests::try_recv_fails_on_empty_connected_channel ... ok [INFO] [stdout] test atomic::tests::atomic_option_is_linearizable ... ok [INFO] [stdout] test channel::tests::try_recv_fails_on_empty_disconnected_channel ... ok [INFO] [stdout] test buffer::tests::buffer_is_linearizable ... 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::send_succeeds_on_connected_channel ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_send ... ok [INFO] [stdout] test channel::tests::recv_wakes_on_disconnect ... 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 15.57s [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 271) - 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 25) ... ok [INFO] [stdout] test src/lib.rs - (line 42) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d3def33e1acf22e2289b7f6b16c34ae08dc5fb8e9b836ada6546b0257a12876e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3def33e1acf22e2289b7f6b16c34ae08dc5fb8e9b836ada6546b0257a12876e", kill_on_drop: false }` [INFO] [stdout] d3def33e1acf22e2289b7f6b16c34ae08dc5fb8e9b836ada6546b0257a12876e