[INFO] crate tokio-by-hand 0.0.0 is already in cache
[INFO] extracting crate tokio-by-hand 0.0.0 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/tokio-by-hand/0.0.0
[INFO] extracting crate tokio-by-hand 0.0.0 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/tokio-by-hand/0.0.0
[INFO] validating manifest of tokio-by-hand-0.0.0 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tokio-by-hand-0.0.0 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tokio-by-hand-0.0.0
[INFO] finished frobbing tokio-by-hand-0.0.0
[INFO] frobbed toml for tokio-by-hand-0.0.0 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/tokio-by-hand/0.0.0/Cargo.toml
[INFO] started frobbing tokio-by-hand-0.0.0
[INFO] finished frobbing tokio-by-hand-0.0.0
[INFO] frobbed toml for tokio-by-hand-0.0.0 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/tokio-by-hand/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking tokio-by-hand-0.0.0 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/tokio-by-hand/0.0.0:/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=forbid" "-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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d4719c427cd1930bba05f6519e604e2c154c2caaac35a22e1817ba59a3f7e280
[INFO] running `"docker" "start" "-a" "d4719c427cd1930bba05f6519e604e2c154c2caaac35a22e1817ba59a3f7e280"`
[INFO] [stderr]     Checking 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 1.14s
[INFO] running `"docker" "inspect" "d4719c427cd1930bba05f6519e604e2c154c2caaac35a22e1817ba59a3f7e280"`
[INFO] running `"docker" "rm" "-f" "d4719c427cd1930bba05f6519e604e2c154c2caaac35a22e1817ba59a3f7e280"`
[INFO] [stdout] d4719c427cd1930bba05f6519e604e2c154c2caaac35a22e1817ba59a3f7e280