Nov 30 00:56:13.867 INFO checking jianingy/blockchain-demo against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 00:56:13.867 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 00:56:14.199 INFO [stdout] d14c3e42d4bf38e2b8c1e1b36dd7776315d526494b34438fc28e4e22cc2d4a82
Nov 30 00:56:14.208 INFO running `"docker" "start" "-a" "d14c3e42d4bf38e2b8c1e1b36dd7776315d526494b34438fc28e4e22cc2d4a82"`
Nov 30 00:56:14.911 INFO [stderr] usermod: no changes
Nov 30 00:56:15.380 INFO [stderr]     Checking mustache v0.8.2
Nov 30 00:56:15.385 INFO [stderr]     Checking tokio-tls v0.1.4
Nov 30 00:56:16.770 INFO [stderr]     Checking nickel v0.10.1
Nov 30 00:56:18.058 INFO [stderr]     Checking hyper-tls v0.1.3
Nov 30 00:56:21.211 INFO [stderr]     Checking reqwest v0.8.5
Nov 30 00:56:24.248 INFO [stderr]     Checking blockchain-demo v0.1.0 (/source)
Nov 30 00:56:29.563 INFO [stderr] warning: unused imports: `Serialize`, `Serializer`
Nov 30 00:56:29.563 INFO [stderr]  --> src/blockchain.rs:4:18
Nov 30 00:56:29.563 INFO [stderr]   |
Nov 30 00:56:29.563 INFO [stderr] 4 | use serde::ser::{Serialize, Serializer};
Nov 30 00:56:29.563 INFO [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^^
Nov 30 00:56:29.563 INFO [stderr]   |
Nov 30 00:56:29.563 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:56:29.563 INFO [stderr] 
Nov 30 00:56:29.624 INFO [stderr] warning: unused imports: `Serialize`, `Serializer`
Nov 30 00:56:29.624 INFO [stderr]  --> src/blockchain.rs:4:18
Nov 30 00:56:29.624 INFO [stderr]   |
Nov 30 00:56:29.624 INFO [stderr] 4 | use serde::ser::{Serialize, Serializer};
Nov 30 00:56:29.624 INFO [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^^
Nov 30 00:56:29.624 INFO [stderr]   |
Nov 30 00:56:29.624 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:56:29.624 INFO [stderr] 
Nov 30 00:56:30.240 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.31s
Nov 30 00:56:30.264 INFO [stderr] su: No module specific data is present
Nov 30 00:56:30.862 INFO running `"docker" "inspect" "d14c3e42d4bf38e2b8c1e1b36dd7776315d526494b34438fc28e4e22cc2d4a82"`
Nov 30 00:56:31.180 INFO running `"docker" "rm" "-f" "d14c3e42d4bf38e2b8c1e1b36dd7776315d526494b34438fc28e4e22cc2d4a82"`
Nov 30 00:56:31.492 INFO [stdout] d14c3e42d4bf38e2b8c1e1b36dd7776315d526494b34438fc28e4e22cc2d4a82