[INFO] updating cached repository casey/tokio-by-hand
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/casey/tokio-by-hand
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/casey/tokio-by-hand" "work/ex/beta-1.38-1/sources/1.37.0/gh/casey/tokio-by-hand"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/casey/tokio-by-hand'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/casey/tokio-by-hand" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/casey/tokio-by-hand"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/casey/tokio-by-hand'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d1ae672f1b508cb3383127cca10208f085bad42e
[INFO] sha for GitHub repo casey/tokio-by-hand: d1ae672f1b508cb3383127cca10208f085bad42e
[INFO] validating manifest of casey/tokio-by-hand on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of casey/tokio-by-hand on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing casey/tokio-by-hand
[INFO] finished frobbing casey/tokio-by-hand
[INFO] frobbed toml for casey/tokio-by-hand written to work/ex/beta-1.38-1/sources/1.37.0/gh/casey/tokio-by-hand/Cargo.toml
[INFO] started frobbing casey/tokio-by-hand
[INFO] finished frobbing casey/tokio-by-hand
[INFO] frobbed toml for casey/tokio-by-hand written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/casey/tokio-by-hand/Cargo.toml
[INFO] crate casey/tokio-by-hand already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing casey/tokio-by-hand against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/casey/tokio-by-hand:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] af8588b067398a508fc8d786ca039edfa2926706c15cd4d47be9e499f798e0c0
[INFO] running `"docker" "start" "-a" "af8588b067398a508fc8d786ca039edfa2926706c15cd4d47be9e499f798e0c0"`
[INFO] [stderr]    Compiling tokio-by-hand v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "af8588b067398a508fc8d786ca039edfa2926706c15cd4d47be9e499f798e0c0"`
[INFO] running `"docker" "rm" "-f" "af8588b067398a508fc8d786ca039edfa2926706c15cd4d47be9e499f798e0c0"`
[INFO] [stdout] af8588b067398a508fc8d786ca039edfa2926706c15cd4d47be9e499f798e0c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/casey/tokio-by-hand:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a9119552435630d940cd7e6045d8258b7866e6512b52427c8e2582f16a060a57
[INFO] running `"docker" "start" "-a" "a9119552435630d940cd7e6045d8258b7866e6512b52427c8e2582f16a060a57"`
[INFO] [stderr]    Compiling tokio-by-hand v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `futures::stream::Take` in tuple element 0 that must be used
[INFO] [stderr]   --> src/standard/instant_series.rs:91:7
[INFO] [stderr]    |
[INFO] [stderr] 91 |       producer.forward(consumer).wait().unwrap();
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::Take` in tuple element 0 that must be used
[INFO] [stderr]   --> src/standard/delayed_series.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     core.run(producer.forward(consumer)).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::Take` in tuple element 0 that must be used
[INFO] [stderr]   --> src/standard/delayed_series.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     core.run(producer.forward(consumer)).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::Take` in tuple element 0 that must be used
[INFO] [stderr]    --> src/standard/delayed_series.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     core.run(producer.forward(consumer)).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::Take` in tuple element 0 that must be used
[INFO] [stderr]   --> src/standard/buffered.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     core.run(producer.forward(consumer)).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::Take` in tuple element 0 that must be used
[INFO] [stderr]    --> src/extended/instant_series.rs:115:7
[INFO] [stderr]     |
[INFO] [stderr] 115 |       producer.forward(consumer).wait().unwrap();
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::Take` in tuple element 0 that must be used
[INFO] [stderr]   --> src/extended/delayed_series.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     core.run(producer.forward(consumer)).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::Take` in tuple element 0 that must be used
[INFO] [stderr]    --> src/extended/delayed_series.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     core.run(producer.forward(consumer)).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::Take` in tuple element 0 that must be used
[INFO] [stderr]    --> src/extended/delayed_series.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     core.run(producer.forward(consumer)).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::Take` in tuple element 0 that must be used
[INFO] [stderr]   --> src/extended/buffered.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     core.run(producer.forward(consumer)).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::Map` in tuple element 0 that must be used
[INFO] [stderr]    --> src/extended/adapter.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 | /     stream
[INFO] [stderr] 131 | |       .take(7)
[INFO] [stderr] 132 | |       .inspect(|x| println!("from stream: {:?}", x))
[INFO] [stderr] 133 | |       .map(|x| Outgoing(x.0))
[INFO] [stderr] 134 | |       .forward(sink).wait().unwrap();
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.27s
[INFO] running `"docker" "inspect" "a9119552435630d940cd7e6045d8258b7866e6512b52427c8e2582f16a060a57"`
[INFO] running `"docker" "rm" "-f" "a9119552435630d940cd7e6045d8258b7866e6512b52427c8e2582f16a060a57"`
[INFO] [stdout] a9119552435630d940cd7e6045d8258b7866e6512b52427c8e2582f16a060a57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/casey/tokio-by-hand:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 56a7d84cbf9003983947a75a8566084eeceeb2020ccad3259f418892104f30bb
[INFO] running `"docker" "start" "-a" "56a7d84cbf9003983947a75a8566084eeceeb2020ccad3259f418892104f30bb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_by_hand-f82f57dcc3d546fd
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test extended::delayed::tests::consumer_completes_in_about_one_second ... ok
[INFO] [stdout] test extended::instant::tests::consumer_completes_quickly ... ok
[INFO] [stdout] test extended::instant::tests::producer_completes_quickly ... ok
[INFO] [stdout] test extended::delayed::tests::producer_completes_in_about_one_second ... ok
[INFO] [stdout] test extended::instant::tests::producer_returns_all_values ... ok
[INFO] [stdout] test extended::instant_series::tests::forward_to_consumer ... ok
[INFO] [stdout] test extended::instant_series::tests::producer_returns_all_values ... ok
[INFO] [stdout] test extended::sleeper::tests::with_core ... ok
[INFO] [stdout] test extended::sleeper::tests::with_wait ... ok
[INFO] [stdout] test extended::delayed::tests::producer_returns_all_values ... ok
[INFO] [stdout] test standard::delayed::tests::consumer_completes_in_about_one_second ... ok
[INFO] [stdout] test standard::delayed::tests::producer_completes_in_about_one_second ... ok
[INFO] [stdout] test extended::delayed_series::tests::values_take_one_second_to_produce ... ok
[INFO] [stdout] test extended::delayed_series::tests::values_take_one_second_to_consume ... ok
[INFO] [stdout] test standard::delayed::tests::producer_returns_all_values ... ok
[INFO] [stdout] test standard::instant::tests::consumer_completes_quickly ... ok
[INFO] [stdout] test standard::instant::tests::producer_completes_quickly ... ok
[INFO] [stdout] test standard::instant::tests::producer_returns_all_values ... ok
[INFO] [stdout] test standard::instant_series::tests::forward_to_consumer ... ok
[INFO] [stdout] test standard::instant_series::tests::producer_returns_all_values ... ok
[INFO] [stdout] test extended::delayed_series::tests::production_and_consumption_are_concurrent ... ok
[INFO] [stdout] test extended::buffered::tests::production_and_consumption_are_concurrent ... ok
[INFO] [stdout] test standard::sleeper::tests::with_core ... ok
[INFO] [stdout] test standard::sleeper::tests::with_wait ... ok
[INFO] [stdout] test standard::buffered::tests::production_and_consumption_are_concurrent ... ok
[INFO] [stdout] test standard::delayed_series::tests::production_and_consumption_are_concurrent ... ok
[INFO] [stdout] test standard::delayed_series::tests::values_take_one_second_to_consume ... ok
[INFO] [stdout] test standard::delayed_series::tests::values_take_one_second_to_produce ... ok
[INFO] [stdout] test extended::adapter::tests::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio-by-hand
[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 `"docker" "inspect" "56a7d84cbf9003983947a75a8566084eeceeb2020ccad3259f418892104f30bb"`
[INFO] running `"docker" "rm" "-f" "56a7d84cbf9003983947a75a8566084eeceeb2020ccad3259f418892104f30bb"`
[INFO] [stdout] 56a7d84cbf9003983947a75a8566084eeceeb2020ccad3259f418892104f30bb