[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/beta-1.37-6/sources/1.36.0/gh/liuchong/blockchain-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/liuchong/blockchain-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/liuchong/blockchain-tutorial" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/liuchong/blockchain-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of liuchong/blockchain-tutorial on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/liuchong/blockchain-tutorial/Cargo.toml
[INFO] crate liuchong/blockchain-tutorial already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing liuchong/blockchain-tutorial against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/liuchong/blockchain-tutorial:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4fddb092b1ceaf180248f400cf8011273e72504b6e2ea53a86177efb3a46bc23
[INFO] running `"docker" "start" "-a" "4fddb092b1ceaf180248f400cf8011273e72504b6e2ea53a86177efb3a46bc23"`
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling h2 v0.1.16
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling hyper v0.12.24
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling blockchain-tutorial v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:27
[INFO] [stderr]    |
[INFO] [stderr] 30 | type ResponseFuture = Box<Future<Item = Response<Body>, Error = hyper::Error> + Send>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response<Body>, Error = hyper::Error> + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "4fddb092b1ceaf180248f400cf8011273e72504b6e2ea53a86177efb3a46bc23"`
[INFO] running `"docker" "rm" "-f" "4fddb092b1ceaf180248f400cf8011273e72504b6e2ea53a86177efb3a46bc23"`
[INFO] [stdout] 4fddb092b1ceaf180248f400cf8011273e72504b6e2ea53a86177efb3a46bc23
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/liuchong/blockchain-tutorial:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 51f2b8c78c2024040e0c13ca8d7489fe154668d42ad4a38a7f9b91f55e9f1a45
[INFO] running `"docker" "start" "-a" "51f2b8c78c2024040e0c13ca8d7489fe154668d42ad4a38a7f9b91f55e9f1a45"`
[INFO] [stderr]    Compiling blockchain-tutorial v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:27
[INFO] [stderr]    |
[INFO] [stderr] 30 | type ResponseFuture = Box<Future<Item = Response<Body>, Error = hyper::Error> + Send>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response<Body>, Error = hyper::Error> + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `"docker" "inspect" "51f2b8c78c2024040e0c13ca8d7489fe154668d42ad4a38a7f9b91f55e9f1a45"`
[INFO] running `"docker" "rm" "-f" "51f2b8c78c2024040e0c13ca8d7489fe154668d42ad4a38a7f9b91f55e9f1a45"`
[INFO] [stdout] 51f2b8c78c2024040e0c13ca8d7489fe154668d42ad4a38a7f9b91f55e9f1a45
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/liuchong/blockchain-tutorial:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 26bfb1dbba3f000e0dfe3c1c4daeba67e73d6db745032c733c95838641c48032
[INFO] running `"docker" "start" "-a" "26bfb1dbba3f000e0dfe3c1c4daeba67e73d6db745032c733c95838641c48032"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/blockchain_tutorial-88a1a638ec859425
[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" "26bfb1dbba3f000e0dfe3c1c4daeba67e73d6db745032c733c95838641c48032"`
[INFO] running `"docker" "rm" "-f" "26bfb1dbba3f000e0dfe3c1c4daeba67e73d6db745032c733c95838641c48032"`
[INFO] [stdout] 26bfb1dbba3f000e0dfe3c1c4daeba67e73d6db745032c733c95838641c48032