[INFO] updating cached repository tkmct/future-sample
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tkmct/future-sample
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tkmct/future-sample" "work/ex/beta-1.38-1/sources/1.37.0/gh/tkmct/future-sample"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tkmct/future-sample'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tkmct/future-sample" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tkmct/future-sample"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tkmct/future-sample'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a39152d7473ddd9da6b899de074febbe6e2e053
[INFO] sha for GitHub repo tkmct/future-sample: 7a39152d7473ddd9da6b899de074febbe6e2e053
[INFO] validating manifest of tkmct/future-sample 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 tkmct/future-sample 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 tkmct/future-sample
[INFO] finished frobbing tkmct/future-sample
[INFO] frobbed toml for tkmct/future-sample written to work/ex/beta-1.38-1/sources/1.37.0/gh/tkmct/future-sample/Cargo.toml
[INFO] started frobbing tkmct/future-sample
[INFO] finished frobbing tkmct/future-sample
[INFO] frobbed toml for tkmct/future-sample written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tkmct/future-sample/Cargo.toml
[INFO] crate tkmct/future-sample 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 tkmct/future-sample 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tkmct/future-sample:/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] c11e8cd5d874f5dbd2b3e876fc4c97da19ef693e8dbb31538f2e7d4fc4a1ff87
[INFO] running `"docker" "start" "-a" "c11e8cd5d874f5dbd2b3e876fc4c97da19ef693e8dbb31538f2e7d4fc4a1ff87"`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling rlp v0.4.0
[INFO] [stderr]    Compiling tiny-keccak v1.4.3
[INFO] [stderr]    Compiling fixed-hash v0.3.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling impl-serde v0.2.0
[INFO] [stderr]    Compiling ethereum-types-serialize v0.2.2
[INFO] [stderr]    Compiling impl-rlp v0.2.0
[INFO] [stderr]    Compiling jsonrpc-core v11.0.0
[INFO] [stderr]    Compiling uint v0.5.0
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.23
[INFO] [stderr]    Compiling tokio-tls v0.2.1
[INFO] [stderr]    Compiling ethbloom v0.6.4
[INFO] [stderr]    Compiling ethereum-types v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling hyper v0.12.29
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-uds v0.1.7
[INFO] [stderr]    Compiling websocket v0.21.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling ethabi v7.0.0
[INFO] [stderr]    Compiling web3 v0.7.0 (https://github.com/tomusdrw/rust-web3#21cb38c7)
[INFO] [stderr]    Compiling future-sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/event_watcher.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |         Ok(Async::Ready(()))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `"docker" "inspect" "c11e8cd5d874f5dbd2b3e876fc4c97da19ef693e8dbb31538f2e7d4fc4a1ff87"`
[INFO] running `"docker" "rm" "-f" "c11e8cd5d874f5dbd2b3e876fc4c97da19ef693e8dbb31538f2e7d4fc4a1ff87"`
[INFO] [stdout] c11e8cd5d874f5dbd2b3e876fc4c97da19ef693e8dbb31538f2e7d4fc4a1ff87
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tkmct/future-sample:/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] c30fb5f50a1f09e28289484bba8c90f854b9a31baca8eeb0f624a9968a5752c0
[INFO] running `"docker" "start" "-a" "c30fb5f50a1f09e28289484bba8c90f854b9a31baca8eeb0f624a9968a5752c0"`
[INFO] [stderr]    Compiling future-sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/event_watcher.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |         Ok(Async::Ready(()))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `"docker" "inspect" "c30fb5f50a1f09e28289484bba8c90f854b9a31baca8eeb0f624a9968a5752c0"`
[INFO] running `"docker" "rm" "-f" "c30fb5f50a1f09e28289484bba8c90f854b9a31baca8eeb0f624a9968a5752c0"`
[INFO] [stdout] c30fb5f50a1f09e28289484bba8c90f854b9a31baca8eeb0f624a9968a5752c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tkmct/future-sample:/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] 5a74f998a3587015eac4fd18983045d735628a5e85ae063a1a0308804ef85cc4
[INFO] running `"docker" "start" "-a" "5a74f998a3587015eac4fd18983045d735628a5e85ae063a1a0308804ef85cc4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/future_sample-1e3ca980ce37ee79
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test event_db::tests::test_event_seen ... ok
[INFO] [stdout] test event_db::tests::test_last_logged_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/future_sample-182be874678503a4
[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 future-sample
[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" "5a74f998a3587015eac4fd18983045d735628a5e85ae063a1a0308804ef85cc4"`
[INFO] running `"docker" "rm" "-f" "5a74f998a3587015eac4fd18983045d735628a5e85ae063a1a0308804ef85cc4"`
[INFO] [stdout] 5a74f998a3587015eac4fd18983045d735628a5e85ae063a1a0308804ef85cc4