Dec 05 19:51:29.233 INFO testing jianingy/blockchain-demo against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 19:51:29.233 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 19:51:29.399 INFO [stdout] 5bab4a7e8adf05c330140385bff87500fc8658a9fdbb26315546f02d43badf8a
Dec 05 19:51:29.401 INFO running `"docker" "start" "-a" "5bab4a7e8adf05c330140385bff87500fc8658a9fdbb26315546f02d43badf8a"`
Dec 05 19:51:29.747 INFO [stderr] usermod: no changes
Dec 05 19:51:30.081 INFO [stderr]    Compiling backtrace-sys v0.1.19
Dec 05 19:51:30.084 INFO [stderr]    Compiling mustache v0.8.2
Dec 05 19:51:30.085 INFO [stderr]    Compiling openssl v0.9.24
Dec 05 19:51:30.087 INFO [stderr]    Compiling serde_urlencoded v0.5.2
Dec 05 19:51:32.117 INFO [stderr]    Compiling nickel v0.10.1
Dec 05 19:51:37.914 INFO [stderr]    Compiling native-tls v0.1.5
Dec 05 19:51:40.269 INFO [stderr]    Compiling tokio-tls v0.1.4
Dec 05 19:51:45.502 INFO [stderr]    Compiling hyper-tls v0.1.3
Dec 05 19:51:50.019 INFO [stderr]    Compiling backtrace v0.3.8
Dec 05 19:51:50.857 INFO [stderr]    Compiling reqwest v0.8.5
Dec 05 19:51:51.854 INFO [stderr]    Compiling failure v0.1.1
Dec 05 19:52:00.872 INFO [stderr]    Compiling blockchain-demo v0.1.0 (/source)
Dec 05 19:52:04.112 INFO [stderr] warning: unused imports: `Serialize`, `Serializer`
Dec 05 19:52:04.112 INFO [stderr]  --> src/blockchain.rs:4:18
Dec 05 19:52:04.112 INFO [stderr]   |
Dec 05 19:52:04.112 INFO [stderr] 4 | use serde::ser::{Serialize, Serializer};
Dec 05 19:52:04.112 INFO [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^^
Dec 05 19:52:04.112 INFO [stderr]   |
Dec 05 19:52:04.112 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 19:52:04.112 INFO [stderr] 
Dec 05 19:52:11.074 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.30s
Dec 05 19:52:11.091 INFO [stderr] su: No module specific data is present
Dec 05 19:52:11.678 INFO running `"docker" "inspect" "5bab4a7e8adf05c330140385bff87500fc8658a9fdbb26315546f02d43badf8a"`
Dec 05 19:52:11.940 INFO running `"docker" "rm" "-f" "5bab4a7e8adf05c330140385bff87500fc8658a9fdbb26315546f02d43badf8a"`
Dec 05 19:52:12.097 INFO [stdout] 5bab4a7e8adf05c330140385bff87500fc8658a9fdbb26315546f02d43badf8a
Dec 05 19:52:12.102 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 19:52:12.416 INFO [stdout] 073f067f18c3c83461c392e930c7c047e56aa39911af23feadf22083a33afc61
Dec 05 19:52:12.423 INFO running `"docker" "start" "-a" "073f067f18c3c83461c392e930c7c047e56aa39911af23feadf22083a33afc61"`
Dec 05 19:52:13.859 INFO [stderr] usermod: no changes
Dec 05 19:52:14.156 INFO [stderr]    Compiling blockchain-demo v0.1.0 (/source)
Dec 05 19:52:17.696 INFO [stderr] warning: unused imports: `Serialize`, `Serializer`
Dec 05 19:52:17.696 INFO [stderr]  --> src/blockchain.rs:4:18
Dec 05 19:52:17.696 INFO [stderr]   |
Dec 05 19:52:17.696 INFO [stderr] 4 | use serde::ser::{Serialize, Serializer};
Dec 05 19:52:17.696 INFO [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^^
Dec 05 19:52:17.696 INFO [stderr]   |
Dec 05 19:52:17.696 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 19:52:17.696 INFO [stderr] 
Dec 05 19:52:18.534 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.65s
Dec 05 19:52:18.557 INFO [stderr] su: No module specific data is present
Dec 05 19:52:19.777 INFO running `"docker" "inspect" "073f067f18c3c83461c392e930c7c047e56aa39911af23feadf22083a33afc61"`
Dec 05 19:52:20.060 INFO running `"docker" "rm" "-f" "073f067f18c3c83461c392e930c7c047e56aa39911af23feadf22083a33afc61"`
Dec 05 19:52:20.333 INFO [stdout] 073f067f18c3c83461c392e930c7c047e56aa39911af23feadf22083a33afc61
Dec 05 19:52:20.338 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 19:52:20.910 INFO [stdout] abc2ccca053c8b19c4fcef7a111e7d107e85635792d05ce543e0cf7c9ff61243
Dec 05 19:52:20.916 INFO running `"docker" "start" "-a" "abc2ccca053c8b19c4fcef7a111e7d107e85635792d05ce543e0cf7c9ff61243"`
Dec 05 19:52:22.515 INFO [stderr] usermod: no changes
Dec 05 19:52:22.820 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
Dec 05 19:52:22.855 INFO [stderr]      Running /target/debug/deps/blockchain_demo-b97cf35b330c9be5
Dec 05 19:52:22.860 INFO [stdout] 
Dec 05 19:52:22.860 INFO [stdout] running 0 tests
Dec 05 19:52:22.860 INFO [stdout] 
Dec 05 19:52:22.860 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 19:52:22.860 INFO [stdout] 
Dec 05 19:52:22.864 INFO [stderr] su: No module specific data is present
Dec 05 19:52:23.658 INFO running `"docker" "inspect" "abc2ccca053c8b19c4fcef7a111e7d107e85635792d05ce543e0cf7c9ff61243"`
Dec 05 19:52:23.950 INFO running `"docker" "rm" "-f" "abc2ccca053c8b19c4fcef7a111e7d107e85635792d05ce543e0cf7c9ff61243"`
Dec 05 19:52:24.224 INFO [stdout] abc2ccca053c8b19c4fcef7a111e7d107e85635792d05ce543e0cf7c9ff61243