[INFO] crate tokio-stdin 0.1.2 is already in cache
[INFO] extracting crate tokio-stdin 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/tokio-stdin/0.1.2
[INFO] extracting crate tokio-stdin 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tokio-stdin/0.1.2
[INFO] validating manifest of tokio-stdin-0.1.2 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 tokio-stdin-0.1.2 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 tokio-stdin-0.1.2
[INFO] finished frobbing tokio-stdin-0.1.2
[INFO] frobbed toml for tokio-stdin-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tokio-stdin/0.1.2/Cargo.toml
[INFO] started frobbing tokio-stdin-0.1.2
[INFO] finished frobbing tokio-stdin-0.1.2
[INFO] frobbed toml for tokio-stdin-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tokio-stdin/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 tokio-stdin-0.1.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tokio-stdin/0.1.2:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e7afa23629fd5addff4436ba71506fb816036e193d2ab63fde7284e10dfcd9e9
[INFO] running `"docker" "start" "-a" "e7afa23629fd5addff4436ba71506fb816036e193d2ab63fde7284e10dfcd9e9"`
[INFO] [stderr]    Compiling tokio-stdin v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 | /         iter(stdin_lock.bytes())
[INFO] [stderr] 56 | |             .map_err(Error::Stdin)
[INFO] [stderr] 57 | |             .forward(stdin_sink)
[INFO] [stderr] 58 | |             .wait()
[INFO] [stderr] 59 | |             .unwrap();
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[warn(unused_must_use)] implied by #[warn(warnings)]
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::sink::SinkMapErr` in tuple element 1 that must be used
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 | /         iter(stdin_lock.bytes())
[INFO] [stderr] 56 | |             .map_err(Error::Stdin)
[INFO] [stderr] 57 | |             .forward(stdin_sink)
[INFO] [stderr] 58 | |             .wait()
[INFO] [stderr] 59 | |             .unwrap();
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: sinks do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stderr]   --> src/lib.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 | /         iter(stdin_lock.bytes())
[INFO] [stderr] 74 | |             .map_err(Error::Stdin)
[INFO] [stderr] 75 | |             .forward(stdin_sink)
[INFO] [stderr] 76 | |             .wait()
[INFO] [stderr] 77 | |             .unwrap();
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::sink::SinkMapErr` in tuple element 1 that must be used
[INFO] [stderr]   --> src/lib.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 | /         iter(stdin_lock.bytes())
[INFO] [stderr] 74 | |             .map_err(Error::Stdin)
[INFO] [stderr] 75 | |             .forward(stdin_sink)
[INFO] [stderr] 76 | |             .wait()
[INFO] [stderr] 77 | |             .unwrap();
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: sinks do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "e7afa23629fd5addff4436ba71506fb816036e193d2ab63fde7284e10dfcd9e9"`
[INFO] running `"docker" "rm" "-f" "e7afa23629fd5addff4436ba71506fb816036e193d2ab63fde7284e10dfcd9e9"`
[INFO] [stdout] e7afa23629fd5addff4436ba71506fb816036e193d2ab63fde7284e10dfcd9e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tokio-stdin/0.1.2:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cbe997191311fa7b17c41717defdad6d5eef8d3e7ebed4510bcf5a99216a8926
[INFO] running `"docker" "start" "-a" "cbe997191311fa7b17c41717defdad6d5eef8d3e7ebed4510bcf5a99216a8926"`
[INFO] [stderr]    Compiling tokio-stdin v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 | /         iter(stdin_lock.bytes())
[INFO] [stderr] 56 | |             .map_err(Error::Stdin)
[INFO] [stderr] 57 | |             .forward(stdin_sink)
[INFO] [stderr] 58 | |             .wait()
[INFO] [stderr] 59 | |             .unwrap();
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[warn(unused_must_use)] implied by #[warn(warnings)]
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::sink::SinkMapErr` in tuple element 1 that must be used
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 | /         iter(stdin_lock.bytes())
[INFO] [stderr] 56 | |             .map_err(Error::Stdin)
[INFO] [stderr] 57 | |             .forward(stdin_sink)
[INFO] [stderr] 58 | |             .wait()
[INFO] [stderr] 59 | |             .unwrap();
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: sinks do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stderr]   --> src/lib.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 | /         iter(stdin_lock.bytes())
[INFO] [stderr] 74 | |             .map_err(Error::Stdin)
[INFO] [stderr] 75 | |             .forward(stdin_sink)
[INFO] [stderr] 76 | |             .wait()
[INFO] [stderr] 77 | |             .unwrap();
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::sink::SinkMapErr` in tuple element 1 that must be used
[INFO] [stderr]   --> src/lib.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 | /         iter(stdin_lock.bytes())
[INFO] [stderr] 74 | |             .map_err(Error::Stdin)
[INFO] [stderr] 75 | |             .forward(stdin_sink)
[INFO] [stderr] 76 | |             .wait()
[INFO] [stderr] 77 | |             .unwrap();
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: sinks do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "cbe997191311fa7b17c41717defdad6d5eef8d3e7ebed4510bcf5a99216a8926"`
[INFO] running `"docker" "rm" "-f" "cbe997191311fa7b17c41717defdad6d5eef8d3e7ebed4510bcf5a99216a8926"`
[INFO] [stdout] cbe997191311fa7b17c41717defdad6d5eef8d3e7ebed4510bcf5a99216a8926
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tokio-stdin/0.1.2:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4716cd873c5959be2922710ef06c279313738646be151eda6d437256ac71b91a
[INFO] running `"docker" "start" "-a" "4716cd873c5959be2922710ef06c279313738646be151eda6d437256ac71b91a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_stdin-dc8c253e7f6b920a
[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] [stderr]    Doc-tests tokio-stdin
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4716cd873c5959be2922710ef06c279313738646be151eda6d437256ac71b91a"`
[INFO] running `"docker" "rm" "-f" "4716cd873c5959be2922710ef06c279313738646be151eda6d437256ac71b91a"`
[INFO] [stdout] 4716cd873c5959be2922710ef06c279313738646be151eda6d437256ac71b91a