[INFO] updating cached repository bloodstalker/truebit_client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bloodstalker/truebit_client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bloodstalker/truebit_client" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bloodstalker/truebit_client"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bloodstalker/truebit_client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bloodstalker/truebit_client" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/bloodstalker/truebit_client"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/bloodstalker/truebit_client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f08ee206ff00d379bf6e1d25394c792f706c91ea
[INFO] sha for GitHub repo bloodstalker/truebit_client: f08ee206ff00d379bf6e1d25394c792f706c91ea
[INFO] validating manifest of bloodstalker/truebit_client on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bloodstalker/truebit_client on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bloodstalker/truebit_client
[INFO] finished frobbing bloodstalker/truebit_client
[INFO] frobbed toml for bloodstalker/truebit_client written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bloodstalker/truebit_client/Cargo.toml
[INFO] started frobbing bloodstalker/truebit_client
[INFO] finished frobbing bloodstalker/truebit_client
[INFO] frobbed toml for bloodstalker/truebit_client written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/bloodstalker/truebit_client/Cargo.toml
[INFO] crate bloodstalker/truebit_client already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bloodstalker/truebit_client against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bloodstalker/truebit_client:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c0bb00add66327c9203f8e6439237812652c8d3ba2d886fce6bc7b9222ff1578
[INFO] running `"docker" "start" "-a" "c0bb00add66327c9203f8e6439237812652c8d3ba2d886fce6bc7b9222ff1578"`
[INFO] [stderr]     Checking tiny-keccak v1.3.1
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]     Checking parking_lot_core v0.2.6
[INFO] [stderr]     Checking mio-uds v0.6.4
[INFO] [stderr]     Checking jsonrpc-core v7.1.1
[INFO] [stderr]     Checking ethabi v4.2.0
[INFO] [stderr]     Checking tokio-uds v0.1.7
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking mime v0.3.5
[INFO] [stderr]     Checking hyper v0.11.7
[INFO] [stderr]     Checking web3 v0.1.0
[INFO] [stderr]     Checking truebit_client v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Address`, `U256`
[INFO] [stderr]  --> src/main.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use web3::types::{Address, U256};
[INFO] [stderr]   |                   ^^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Address`, `U256`
[INFO] [stderr]  --> src/main.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use web3::types::{Address, U256};
[INFO] [stderr]   |                   ^^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.97s
[INFO] running `"docker" "inspect" "c0bb00add66327c9203f8e6439237812652c8d3ba2d886fce6bc7b9222ff1578"`
[INFO] running `"docker" "rm" "-f" "c0bb00add66327c9203f8e6439237812652c8d3ba2d886fce6bc7b9222ff1578"`
[INFO] [stdout] c0bb00add66327c9203f8e6439237812652c8d3ba2d886fce6bc7b9222ff1578