[INFO] cloning repository bloodstalker/truebit_client
[INFO] running `"git" "clone" "--bare" "git://github.com/bloodstalker/truebit_client.git" "work/cache/sources/gh/bloodstalker/truebit_client"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/bloodstalker/truebit_client'...
[INFO] running `"git" "clone" "work/cache/sources/gh/bloodstalker/truebit_client" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/bloodstalker/truebit_client"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/bloodstalker/truebit_client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bloodstalker/truebit_client" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/bloodstalker/truebit_client"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bloodstalker/truebit_client on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-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-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/bloodstalker/truebit_client/Cargo.toml
[INFO] crate bloodstalker/truebit_client already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bloodstalker/truebit_client against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/bloodstalker/truebit_client:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b0321ce98c00bbd33cb6f6292f005e5b69ec20f56c7bcbc958a9b971d762d9b2
[INFO] running `"docker" "start" "-a" "b0321ce98c00bbd33cb6f6292f005e5b69ec20f56c7bcbc958a9b971d762d9b2"`
[INFO] [stderr]     Checking tiny-keccak v1.3.1
[INFO] [stderr]     Checking arrayvec v0.3.24
[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 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 11.79s
[INFO] running `"docker" "inspect" "b0321ce98c00bbd33cb6f6292f005e5b69ec20f56c7bcbc958a9b971d762d9b2"`
[INFO] running `"docker" "rm" "-f" "b0321ce98c00bbd33cb6f6292f005e5b69ec20f56c7bcbc958a9b971d762d9b2"`
[INFO] [stdout] b0321ce98c00bbd33cb6f6292f005e5b69ec20f56c7bcbc958a9b971d762d9b2