[INFO] fetching crate suspend-channel 0.1.0...
[INFO] testing suspend-channel-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate suspend-channel 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate suspend-channel 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 132b11e79254f583826db0a08b6b0a6d63056ba6ed428c1274fe2ddb9c5c5b7b
[INFO] running `Command { std: "docker" "start" "-a" "132b11e79254f583826db0a08b6b0a6d63056ba6ed428c1274fe2ddb9c5c5b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "132b11e79254f583826db0a08b6b0a6d63056ba6ed428c1274fe2ddb9c5c5b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132b11e79254f583826db0a08b6b0a6d63056ba6ed428c1274fe2ddb9c5c5b7b", kill_on_drop: false }`
[INFO] [stdout] 132b11e79254f583826db0a08b6b0a6d63056ba6ed428c1274fe2ddb9c5c5b7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5abc4c520c02b408c83d4786476faee70e51928886e92356fab1a6126f492df2
[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" "5abc4c520c02b408c83d4786476faee70e51928886e92356fab1a6126f492df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling maybe-cell v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling suspend-core v0.1.0
[INFO] [stderr]    Compiling suspend-channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.89s
[INFO] running `Command { std: "docker" "inspect" "5abc4c520c02b408c83d4786476faee70e51928886e92356fab1a6126f492df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5abc4c520c02b408c83d4786476faee70e51928886e92356fab1a6126f492df2", kill_on_drop: false }`
[INFO] [stdout] 5abc4c520c02b408c83d4786476faee70e51928886e92356fab1a6126f492df2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d266f2ec4888bf9e8956210cd8c767651e35df94f1f599245fde7e357320e37
[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" "8d266f2ec4888bf9e8956210cd8c767651e35df94f1f599245fde7e357320e37", kill_on_drop: false }`
[INFO] [stderr]    Compiling suspend-channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.65s
[INFO] running `Command { std: "docker" "inspect" "8d266f2ec4888bf9e8956210cd8c767651e35df94f1f599245fde7e357320e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d266f2ec4888bf9e8956210cd8c767651e35df94f1f599245fde7e357320e37", kill_on_drop: false }`
[INFO] [stdout] 8d266f2ec4888bf9e8956210cd8c767651e35df94f1f599245fde7e357320e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9830bd4706861ccd5138070c0a053053390831919e300bbe2e7e98b4120b522b
[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" "9830bd4706861ccd5138070c0a053053390831919e300bbe2e7e98b4120b522b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/suspend_channel-568c64cc57a997dd
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_stream-74154258703c8f26
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test basic_stream ... ok
[INFO] [stdout] test non_macro ... ok
[INFO] [stdout] test test_drop_polled ... ok
[INFO] [stdout] test test_drop_unpolled ... ok
[INFO] [stdout] test test_drop_complete ... ok
[INFO] [stdout] test try_stream_fail ... ok
[INFO] [stdout] test nest_try_stream ... ok
[INFO] [stdout] test nest_stream ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/channel-d9d71f85d3f8962b
[INFO] [stdout] test basic_try_stream ... ok
[INFO] [stdout] test empty_stream ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test channel_receiver_dropped_complete ... ok
[INFO] [stdout] test channel_receiver_dropped_early ... ok
[INFO] [stdout] test channel_receiver_block_on ... ok
[INFO] [stdout] test channel_sender_dropped ... ok
[INFO] [stdout] test channel_receiver_wait_next ... ok
[INFO] [stdout] test channel_receiver_stream_empty ... ok
[INFO] [stdout] test channel_receiver_stream_one ... ok
[INFO] [stdout] test channel_receiver_dropped_incomplete ... ok
[INFO] [stdout] test channel_send_receive_block_on ... ok
[INFO] [stdout] test channel_send_receive_thread_multiple ... ok
[INFO] [stdout] test channel_send_receive_wait_next ... ok
[INFO] [stdout] test channel_send_receive_poll ... ok
[INFO] [stdout] test channel_send_receive_thread ... ok
[INFO] [stdout] test channel_receiver_cancel_late ... ok
[INFO] [stdout] test channel_receiver_cancel_early ... ok
[INFO] [stdout] test channel_send_receive_forward_thread ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/send_once-7711dd7cc97b3360
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test send_once_receiver_stream_empty ... ok
[INFO] [stdout] test send_once_tracked_drop ... ok
[INFO] [stdout] test send_once_tracked ... ok
[INFO] [stdout] test send_once_receiver_stream_one ... ok
[INFO] [stdout] test send_once_receiver_cancel_early ... ok
[INFO] [stdout] test send_once_receiver_dropped_early ... ok
[INFO] [stdout] test send_once_sender_dropped ... ok
[INFO] [stdout] test send_once_receiver_dropped_complete ... ok
[INFO] [stdout] test send_once_receiver_dropped_incomplete ... ok
[INFO] [stdout] test send_once_receive_poll ... ok
[INFO] [stdout] test send_once_receive_wait ... ok
[INFO] [stdout] test send_once_threaded ... ok
[INFO] [stdout] test send_once_receive_block_on ... ok
[INFO] [stdout] test send_once_receiver_cancel_late ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests suspend_channel
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9830bd4706861ccd5138070c0a053053390831919e300bbe2e7e98b4120b522b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9830bd4706861ccd5138070c0a053053390831919e300bbe2e7e98b4120b522b", kill_on_drop: false }`
[INFO] [stdout] 9830bd4706861ccd5138070c0a053053390831919e300bbe2e7e98b4120b522b