[INFO] cloning repository tkmct/future-sample
[INFO] running `"git" "clone" "--bare" "git://github.com/tkmct/future-sample.git" "work/cache/sources/gh/tkmct/future-sample"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tkmct/future-sample'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tkmct/future-sample" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tkmct/future-sample"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tkmct/future-sample'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tkmct/future-sample" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tkmct/future-sample"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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 master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tkmct/future-sample on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "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/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tkmct/future-sample against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-1/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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=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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 976cf0719267ced51925f98dae41a00ac9bddd00ede642393204db040faadc1c
[INFO] running `"docker" "start" "-a" "976cf0719267ced51925f98dae41a00ac9bddd00ede642393204db040faadc1c"`
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking rlp v0.4.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.23
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking impl-serde v0.2.0
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.2
[INFO] [stderr]     Checking impl-rlp v0.2.0
[INFO] [stderr]     Checking jsonrpc-core v11.0.0
[INFO] [stderr]     Checking tiny-keccak v1.4.3
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking ethbloom v0.6.4
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking ethereum-types v0.5.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]     Checking ethabi v7.0.0
[INFO] [stderr]     Checking tokio-uds v0.1.7
[INFO] [stderr]     Checking websocket v0.21.1
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking web3 v0.7.0 (https://github.com/tomusdrw/rust-web3#21cb38c7)
[INFO] [stderr]     Checking 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] 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 42.78s
[INFO] running `"docker" "inspect" "976cf0719267ced51925f98dae41a00ac9bddd00ede642393204db040faadc1c"`
[INFO] running `"docker" "rm" "-f" "976cf0719267ced51925f98dae41a00ac9bddd00ede642393204db040faadc1c"`
[INFO] [stdout] 976cf0719267ced51925f98dae41a00ac9bddd00ede642393204db040faadc1c