[INFO] updating cached repository tamanishi/blockchain_tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tamanishi/blockchain_tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tamanishi/blockchain_tutorial" "work/ex/beta-1.37-6/sources/1.36.0/gh/tamanishi/blockchain_tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/tamanishi/blockchain_tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tamanishi/blockchain_tutorial" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tamanishi/blockchain_tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tamanishi/blockchain_tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aee1f6a09050e274fc509873df28358f64317298
[INFO] sha for GitHub repo tamanishi/blockchain_tutorial: aee1f6a09050e274fc509873df28358f64317298
[INFO] validating manifest of tamanishi/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 tamanishi/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 tamanishi/blockchain_tutorial
[INFO] finished frobbing tamanishi/blockchain_tutorial
[INFO] frobbed toml for tamanishi/blockchain_tutorial written to work/ex/beta-1.37-6/sources/1.36.0/gh/tamanishi/blockchain_tutorial/Cargo.toml
[INFO] started frobbing tamanishi/blockchain_tutorial
[INFO] finished frobbing tamanishi/blockchain_tutorial
[INFO] frobbed toml for tamanishi/blockchain_tutorial written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tamanishi/blockchain_tutorial/Cargo.toml
[INFO] crate tamanishi/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 tamanishi/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/tamanishi/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] 88f590977b77a874ea538c5fb3c516b4bc58181f09b68eb09efeb67719229c8d
[INFO] running `"docker" "start" "-a" "88f590977b77a874ea538c5fb3c516b4bc58181f09b68eb09efeb67719229c8d"`
[INFO] [stderr]    Compiling serde v1.0.30
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling serde_derive v1.0.30
[INFO] [stderr]    Compiling serde_json v1.0.11
[INFO] [stderr]    Compiling blockchain_tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.81s
[INFO] running `"docker" "inspect" "88f590977b77a874ea538c5fb3c516b4bc58181f09b68eb09efeb67719229c8d"`
[INFO] running `"docker" "rm" "-f" "88f590977b77a874ea538c5fb3c516b4bc58181f09b68eb09efeb67719229c8d"`
[INFO] [stdout] 88f590977b77a874ea538c5fb3c516b4bc58181f09b68eb09efeb67719229c8d
[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/tamanishi/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] 167a302a56acaa5ec75210aa65fc3347f3788c86afaf35ef34d5b0f4f61e74b9
[INFO] running `"docker" "start" "-a" "167a302a56acaa5ec75210aa65fc3347f3788c86afaf35ef34d5b0f4f61e74b9"`
[INFO] [stderr]    Compiling blockchain_tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "167a302a56acaa5ec75210aa65fc3347f3788c86afaf35ef34d5b0f4f61e74b9"`
[INFO] running `"docker" "rm" "-f" "167a302a56acaa5ec75210aa65fc3347f3788c86afaf35ef34d5b0f4f61e74b9"`
[INFO] [stdout] 167a302a56acaa5ec75210aa65fc3347f3788c86afaf35ef34d5b0f4f61e74b9
[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/tamanishi/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] 9927799d3b39967e2efb7f661f63814f96d9a4cd0c0df738af066c324186a26c
[INFO] running `"docker" "start" "-a" "9927799d3b39967e2efb7f661f63814f96d9a4cd0c0df738af066c324186a26c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/blockchain_tutorial-a4e2a377bdbe8b12
[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" "9927799d3b39967e2efb7f661f63814f96d9a4cd0c0df738af066c324186a26c"`
[INFO] running `"docker" "rm" "-f" "9927799d3b39967e2efb7f661f63814f96d9a4cd0c0df738af066c324186a26c"`
[INFO] [stdout] 9927799d3b39967e2efb7f661f63814f96d9a4cd0c0df738af066c324186a26c