[INFO] updating cached repository liuchong/blockchain-tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/liuchong/blockchain-tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/liuchong/blockchain-tutorial" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/liuchong/blockchain-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/liuchong/blockchain-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/liuchong/blockchain-tutorial" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/liuchong/blockchain-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/liuchong/blockchain-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d7fd3d0c8438c4893a2305fd2166ee6db8a982d5
[INFO] sha for GitHub repo liuchong/blockchain-tutorial: d7fd3d0c8438c4893a2305fd2166ee6db8a982d5
[INFO] validating manifest of liuchong/blockchain-tutorial on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of liuchong/blockchain-tutorial on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing liuchong/blockchain-tutorial
[INFO] finished frobbing liuchong/blockchain-tutorial
[INFO] frobbed toml for liuchong/blockchain-tutorial written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/liuchong/blockchain-tutorial/Cargo.toml
[INFO] started frobbing liuchong/blockchain-tutorial
[INFO] finished frobbing liuchong/blockchain-tutorial
[INFO] frobbed toml for liuchong/blockchain-tutorial written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/liuchong/blockchain-tutorial/Cargo.toml
[INFO] crate liuchong/blockchain-tutorial already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking liuchong/blockchain-tutorial against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/liuchong/blockchain-tutorial:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 43deced1b4d3d173dd760ae23c9adcdf059dc57c86218c6d723c38ea7f6cbb9b
[INFO] running `"docker" "start" "-a" "43deced1b4d3d173dd760ae23c9adcdf059dc57c86218c6d723c38ea7f6cbb9b"`
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking serde v1.0.88
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking hyper v0.12.24
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking blockchain-tutorial v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.94s
[INFO] running `"docker" "inspect" "43deced1b4d3d173dd760ae23c9adcdf059dc57c86218c6d723c38ea7f6cbb9b"`
[INFO] running `"docker" "rm" "-f" "43deced1b4d3d173dd760ae23c9adcdf059dc57c86218c6d723c38ea7f6cbb9b"`
[INFO] [stdout] 43deced1b4d3d173dd760ae23c9adcdf059dc57c86218c6d723c38ea7f6cbb9b