[INFO] fetching crate suspend-channel 0.1.0...
[INFO] testing suspend-channel-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate suspend-channel 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate suspend-channel 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate suspend-channel 0.1.0
[INFO] finished tweaking crates.io crate suspend-channel 0.1.0
[INFO] tweaked toml for crates.io crate suspend-channel 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maybe-cell v0.1.1
[INFO] [stderr]   Downloaded suspend-core v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", 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] d18d7045161d799a7a41936f864d3751545a033d6a7fa5f5f50beb1b521f80d2
[INFO] running `Command { std: "docker" "start" "-a" "d18d7045161d799a7a41936f864d3751545a033d6a7fa5f5f50beb1b521f80d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d18d7045161d799a7a41936f864d3751545a033d6a7fa5f5f50beb1b521f80d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18d7045161d799a7a41936f864d3751545a033d6a7fa5f5f50beb1b521f80d2", kill_on_drop: false }`
[INFO] [stdout] d18d7045161d799a7a41936f864d3751545a033d6a7fa5f5f50beb1b521f80d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a54a833ef09a0e73f184f17ac0228ccf02597ceba5ff9302e200577139372b5
[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" "2a54a833ef09a0e73f184f17ac0228ccf02597ceba5ff9302e200577139372b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling maybe-cell v0.1.1
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling suspend-core v0.1.0
[INFO] [stderr]    Compiling suspend-channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/channel.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sync::atomic::{fence, spin_loop_hint, AtomicU8, Ordering},
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/channel.rs:365:13
[INFO] [stdout]     |
[INFO] [stdout] 365 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.08s
[INFO] running `Command { std: "docker" "inspect" "2a54a833ef09a0e73f184f17ac0228ccf02597ceba5ff9302e200577139372b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a54a833ef09a0e73f184f17ac0228ccf02597ceba5ff9302e200577139372b5", kill_on_drop: false }`
[INFO] [stdout] 2a54a833ef09a0e73f184f17ac0228ccf02597ceba5ff9302e200577139372b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec18f8db98ed36ac14bd199ce31711e91cc27e88e033cbd5526f1c56a0b392fa
[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" "ec18f8db98ed36ac14bd199ce31711e91cc27e88e033cbd5526f1c56a0b392fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/channel.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sync::atomic::{fence, spin_loop_hint, AtomicU8, Ordering},
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/channel.rs:365:13
[INFO] [stdout]     |
[INFO] [stdout] 365 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling suspend-channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/channel.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sync::atomic::{fence, spin_loop_hint, AtomicU8, Ordering},
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/channel.rs:365:13
[INFO] [stdout]     |
[INFO] [stdout] 365 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "ec18f8db98ed36ac14bd199ce31711e91cc27e88e033cbd5526f1c56a0b392fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec18f8db98ed36ac14bd199ce31711e91cc27e88e033cbd5526f1c56a0b392fa", kill_on_drop: false }`
[INFO] [stdout] ec18f8db98ed36ac14bd199ce31711e91cc27e88e033cbd5526f1c56a0b392fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e00a1db655d2f2ed9ceb86f02612b536b60e3f51f63d14996ef168837b84e052
[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" "e00a1db655d2f2ed9ceb86f02612b536b60e3f51f63d14996ef168837b84e052", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]  --> src/channel.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     sync::atomic::{fence, spin_loop_hint, AtomicU8, Ordering},
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]    --> src/channel.rs:365:13
[INFO] [stderr]     |
[INFO] [stderr] 365 |             spin_loop_hint();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `suspend-channel` (lib) generated 2 warnings
[INFO] [stderr] warning: `suspend-channel` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/suspend_channel-2d6e59f5262dd6b3)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/async_stream.rs (/opt/rustwide/target/debug/deps/async_stream-1ef5f8df0b1ed4a3)
[INFO] [stdout] running 10 tests
[INFO] [stdout] test nest_stream ... ok
[INFO] [stdout] test nest_try_stream ... ok
[INFO] [stdout] test basic_try_stream ... ok
[INFO] [stdout] test non_macro ... ok
[INFO] [stdout] test test_drop_complete ... ok
[INFO] [stdout] test test_drop_polled ... ok
[INFO] [stdout] test test_drop_unpolled ... ok
[INFO] [stdout] test try_stream_fail ... ok
[INFO] [stdout] test basic_stream ... ok
[INFO] [stderr]      Running tests/channel.rs (/opt/rustwide/target/debug/deps/channel-8359e0697428e371)
[INFO] [stdout] test empty_stream ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test channel_receiver_block_on ... ok
[INFO] [stdout] test channel_receiver_cancel_early ... ok
[INFO] [stdout] test channel_receiver_dropped_complete ... ok
[INFO] [stdout] test channel_receiver_wait_next ... ok
[INFO] [stdout] test channel_receiver_stream_one ... ok
[INFO] [stdout] test channel_send_receive_block_on ... ok
[INFO] [stdout] test channel_send_receive_poll ... ok
[INFO] [stdout] test channel_send_receive_forward_thread ... ok
[INFO] [stdout] test channel_receiver_stream_empty ... ok
[INFO] [stdout] test channel_send_receive_wait_next ... ok
[INFO] [stdout] test channel_sender_dropped ... ok
[INFO] [stdout] test channel_send_receive_thread ... ok
[INFO] [stdout] test channel_send_receive_thread_multiple ... ok
[INFO] [stderr]      Running tests/send_once.rs (/opt/rustwide/target/debug/deps/send_once-4e1c12bb1e87af65)
[INFO] [stdout] test channel_receiver_cancel_late ... ok
[INFO] [stdout] test channel_receiver_dropped_early ... ok
[INFO] [stdout] test channel_receiver_dropped_incomplete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test send_once_receive_wait ... ok
[INFO] [stdout] test send_once_receiver_dropped_complete ... ok
[INFO] [stdout] test send_once_sender_dropped ... ok
[INFO] [stdout] test send_once_receiver_dropped_incomplete ... ok
[INFO] [stdout] test send_once_receiver_dropped_early ... ok
[INFO] [stdout] test send_once_receiver_cancel_late ... ok
[INFO] [stdout] test send_once_receive_poll ... ok
[INFO] [stdout] test send_once_receiver_stream_empty ... ok
[INFO] [stdout] test send_once_receiver_stream_one ... ok
[INFO] [stdout] test send_once_receive_block_on ... ok
[INFO] [stdout] test send_once_receiver_cancel_early ... ok
[INFO] [stdout] test send_once_tracked ... ok
[INFO] [stdout] test send_once_tracked_drop ... ok
[INFO] [stderr]    Doc-tests suspend_channel
[INFO] [stdout] test send_once_threaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e00a1db655d2f2ed9ceb86f02612b536b60e3f51f63d14996ef168837b84e052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00a1db655d2f2ed9ceb86f02612b536b60e3f51f63d14996ef168837b84e052", kill_on_drop: false }`
[INFO] [stdout] e00a1db655d2f2ed9ceb86f02612b536b60e3f51f63d14996ef168837b84e052