[INFO] updating cached repository jianingy/blockchain-demo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jianingy/blockchain-demo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jianingy/blockchain-demo" "work/ex/beta-1.38-1/sources/1.37.0/gh/jianingy/blockchain-demo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jianingy/blockchain-demo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jianingy/blockchain-demo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jianingy/blockchain-demo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jianingy/blockchain-demo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 02cdc0963b86006d965efa772db69455c5164265
[INFO] sha for GitHub repo jianingy/blockchain-demo: 02cdc0963b86006d965efa772db69455c5164265
[INFO] validating manifest of jianingy/blockchain-demo on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jianingy/blockchain-demo on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jianingy/blockchain-demo
[INFO] finished frobbing jianingy/blockchain-demo
[INFO] frobbed toml for jianingy/blockchain-demo written to work/ex/beta-1.38-1/sources/1.37.0/gh/jianingy/blockchain-demo/Cargo.toml
[INFO] started frobbing jianingy/blockchain-demo
[INFO] finished frobbing jianingy/blockchain-demo
[INFO] frobbed toml for jianingy/blockchain-demo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jianingy/blockchain-demo/Cargo.toml
[INFO] crate jianingy/blockchain-demo already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jianingy/blockchain-demo against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jianingy/blockchain-demo:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e5c84ff77352d27799a9fea51c1a1edde42623e9ad2ffd681f2469cc321ea9a0
[INFO] running `"docker" "start" "-a" "e5c84ff77352d27799a9fea51c1a1edde42623e9ad2ffd681f2469cc321ea9a0"`
[INFO] [stderr]    Compiling serde v1.0.59
[INFO] [stderr]    Compiling openssl-sys v0.9.31
[INFO] [stderr]    Compiling backtrace-sys v0.1.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling bytes v0.4.8
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling mustache v0.8.2
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling digest v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.59
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling tokio-threadpool v0.1.3
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.6
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling nickel v0.10.1
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling hyper-tls v0.1.3
[INFO] [stderr]    Compiling reqwest v0.8.5
[INFO] [stderr]    Compiling blockchain-demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Serialize`, `Serializer`
[INFO] [stderr]  --> src/blockchain.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde::ser::{Serialize, Serializer};
[INFO] [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `"docker" "inspect" "e5c84ff77352d27799a9fea51c1a1edde42623e9ad2ffd681f2469cc321ea9a0"`
[INFO] running `"docker" "rm" "-f" "e5c84ff77352d27799a9fea51c1a1edde42623e9ad2ffd681f2469cc321ea9a0"`
[INFO] [stdout] e5c84ff77352d27799a9fea51c1a1edde42623e9ad2ffd681f2469cc321ea9a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jianingy/blockchain-demo:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] affa3553165762da528a1e62eac2c16d664d52acaabb2902f1200a3a1ef94ddb
[INFO] running `"docker" "start" "-a" "affa3553165762da528a1e62eac2c16d664d52acaabb2902f1200a3a1ef94ddb"`
[INFO] [stderr]    Compiling blockchain-demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Serialize`, `Serializer`
[INFO] [stderr]  --> src/blockchain.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde::ser::{Serialize, Serializer};
[INFO] [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `"docker" "inspect" "affa3553165762da528a1e62eac2c16d664d52acaabb2902f1200a3a1ef94ddb"`
[INFO] running `"docker" "rm" "-f" "affa3553165762da528a1e62eac2c16d664d52acaabb2902f1200a3a1ef94ddb"`
[INFO] [stdout] affa3553165762da528a1e62eac2c16d664d52acaabb2902f1200a3a1ef94ddb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jianingy/blockchain-demo:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 18f402ff4914cc8d8aee7c14b3fb63903bbde08bd983e195899efc10d9c1d0fe
[INFO] running `"docker" "start" "-a" "18f402ff4914cc8d8aee7c14b3fb63903bbde08bd983e195899efc10d9c1d0fe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/blockchain_demo-7cca2add1814f055
[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" "18f402ff4914cc8d8aee7c14b3fb63903bbde08bd983e195899efc10d9c1d0fe"`
[INFO] running `"docker" "rm" "-f" "18f402ff4914cc8d8aee7c14b3fb63903bbde08bd983e195899efc10d9c1d0fe"`
[INFO] [stdout] 18f402ff4914cc8d8aee7c14b3fb63903bbde08bd983e195899efc10d9c1d0fe