Nov 01 03:12:45.524 INFO checking jianingy/blockchain-demo against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 03:12:45.524 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 03:12:45.915 INFO blam! 9071d9df6d6a485c190c321e23a457e01c402fa0d701addf7f72f88498eefff2
Nov 01 03:12:45.918 INFO running `"docker" "start" "-a" "9071d9df6d6a485c190c321e23a457e01c402fa0d701addf7f72f88498eefff2"`
Nov 01 03:12:46.986 INFO kablam! usermod: no changes
Nov 01 03:12:47.344 INFO kablam!     Checking mustache v0.8.2
Nov 01 03:12:47.356 INFO kablam!     Checking openssl v0.9.24
Nov 01 03:12:47.356 INFO kablam!     Checking hyper v0.10.13
Nov 01 03:12:47.356 INFO kablam!     Checking hyper v0.11.27
Nov 01 03:12:54.657 INFO kablam!     Checking native-tls v0.1.5
Nov 01 03:12:55.206 INFO kablam!     Checking nickel v0.10.1
Nov 01 03:12:55.884 INFO kablam!     Checking tokio-tls v0.1.4
Nov 01 03:13:00.296 INFO kablam!     Checking hyper-tls v0.1.3
Nov 01 03:13:02.168 INFO kablam!     Checking reqwest v0.8.5
Nov 01 03:13:05.512 INFO kablam!     Checking blockchain-demo v0.1.0 (/source)
Nov 01 03:13:11.400 INFO kablam! warning: unused imports: `Serialize`, `Serializer`
Nov 01 03:13:11.400 INFO kablam!  --> src/blockchain.rs:4:18
Nov 01 03:13:11.400 INFO kablam!   |
Nov 01 03:13:11.400 INFO kablam! 4 | use serde::ser::{Serialize, Serializer};
Nov 01 03:13:11.400 INFO kablam!   |                  ^^^^^^^^^  ^^^^^^^^^^
Nov 01 03:13:11.400 INFO kablam!   |
Nov 01 03:13:11.400 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:13:11.400 INFO kablam! 
Nov 01 03:13:11.604 INFO kablam! warning: unused imports: `Serialize`, `Serializer`
Nov 01 03:13:11.604 INFO kablam!  --> src/blockchain.rs:4:18
Nov 01 03:13:11.604 INFO kablam!   |
Nov 01 03:13:11.604 INFO kablam! 4 | use serde::ser::{Serialize, Serializer};
Nov 01 03:13:11.604 INFO kablam!   |                  ^^^^^^^^^  ^^^^^^^^^^
Nov 01 03:13:11.604 INFO kablam!   |
Nov 01 03:13:11.604 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:13:11.604 INFO kablam! 
Nov 01 03:13:12.548 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 25.53s
Nov 01 03:13:12.587 INFO kablam! su: No module specific data is present
Nov 01 03:13:13.749 INFO running `"docker" "rm" "-f" "9071d9df6d6a485c190c321e23a457e01c402fa0d701addf7f72f88498eefff2"`
Nov 01 03:13:14.020 INFO blam! 9071d9df6d6a485c190c321e23a457e01c402fa0d701addf7f72f88498eefff2