Nov 28 03:19:59.402 INFO checking jianingy/blockchain-demo against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 03:19:59.402 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-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"`
Nov 28 03:19:59.624 INFO [stdout] 2c7c86d17a657fb942567e6ba8cb5f34cc479b5f9a9430d496e0b9fe8604348e
Nov 28 03:19:59.624 INFO running `"docker" "start" "-a" "2c7c86d17a657fb942567e6ba8cb5f34cc479b5f9a9430d496e0b9fe8604348e"`
Nov 28 03:20:00.129 INFO [stderr] usermod: no changes
Nov 28 03:20:00.487 INFO [stderr]    Compiling openssl-sys v0.9.31
Nov 28 03:20:00.490 INFO [stderr]    Compiling backtrace-sys v0.1.19
Nov 28 03:20:00.495 INFO [stderr]     Checking mustache v0.8.2
Nov 28 03:20:00.507 INFO [stderr]     Checking sha2 v0.7.1
Nov 28 03:20:02.314 INFO [stderr]     Checking nickel v0.10.1
Nov 28 03:20:03.428 INFO [stderr]    Compiling openssl v0.9.24
Nov 28 03:20:11.652 INFO [stderr]     Checking native-tls v0.1.5
Nov 28 03:20:12.652 INFO [stderr]     Checking tokio-tls v0.1.4
Nov 28 03:20:14.212 INFO [stderr]     Checking hyper-tls v0.1.3
Nov 28 03:20:16.659 INFO [stderr]     Checking reqwest v0.8.5
Nov 28 03:20:17.393 INFO [stderr]     Checking backtrace v0.3.8
Nov 28 03:20:17.929 INFO [stderr]     Checking failure v0.1.1
Nov 28 03:20:19.962 INFO [stderr]     Checking blockchain-demo v0.1.0 (/source)
Nov 28 03:20:25.176 INFO [stderr] warning: unused imports: `Serialize`, `Serializer`
Nov 28 03:20:25.176 INFO [stderr]  --> src/blockchain.rs:4:18
Nov 28 03:20:25.176 INFO [stderr]   |
Nov 28 03:20:25.176 INFO [stderr] 4 | use serde::ser::{Serialize, Serializer};
Nov 28 03:20:25.176 INFO [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^^
Nov 28 03:20:25.176 INFO [stderr]   |
Nov 28 03:20:25.176 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 03:20:25.176 INFO [stderr] 
Nov 28 03:20:25.328 INFO [stderr] warning: unused imports: `Serialize`, `Serializer`
Nov 28 03:20:25.328 INFO [stderr]  --> src/blockchain.rs:4:18
Nov 28 03:20:25.328 INFO [stderr]   |
Nov 28 03:20:25.328 INFO [stderr] 4 | use serde::ser::{Serialize, Serializer};
Nov 28 03:20:25.328 INFO [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^^
Nov 28 03:20:25.328 INFO [stderr]   |
Nov 28 03:20:25.328 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 03:20:25.328 INFO [stderr] 
Nov 28 03:20:26.258 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.10s
Nov 28 03:20:26.280 INFO [stderr] su: No module specific data is present
Nov 28 03:20:26.873 INFO running `"docker" "inspect" "2c7c86d17a657fb942567e6ba8cb5f34cc479b5f9a9430d496e0b9fe8604348e"`
Nov 28 03:20:27.138 INFO running `"docker" "rm" "-f" "2c7c86d17a657fb942567e6ba8cb5f34cc479b5f9a9430d496e0b9fe8604348e"`
Nov 28 03:20:27.496 INFO [stdout] 2c7c86d17a657fb942567e6ba8cb5f34cc479b5f9a9430d496e0b9fe8604348e