Dec 19 14:23:54.468 INFO checking kevinw/eth-rust-workshop against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:23:54.468 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/kevinw/eth-rust-workshop:/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=forbid" "-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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:23:54.900 INFO [stdout] 01c75d9e5cf9af63c298a6b529200e89df6170d17fa197b552e23a5e658bca38
Dec 19 14:23:54.902 INFO running `"docker" "start" "-a" "01c75d9e5cf9af63c298a6b529200e89df6170d17fa197b552e23a5e658bca38"`
Dec 19 14:23:56.301 INFO [stderr]    Compiling serde v1.0.62
Dec 19 14:23:56.333 INFO [stderr]     Checking base64 v0.5.2
Dec 19 14:23:56.338 INFO [stderr]    Compiling backtrace-sys v0.1.21
Dec 19 14:23:56.338 INFO [stderr]     Checking tokio-timer v0.1.2
Dec 19 14:23:56.346 INFO [stderr]     Checking parking_lot_core v0.2.14
Dec 19 14:23:56.350 INFO [stderr]     Checking crossbeam-epoch v0.4.1
Dec 19 14:23:56.351 INFO [stderr]     Checking mio-uds v0.6.6
Dec 19 14:23:56.351 INFO [stderr]     Checking openssl-sys v0.9.31
Dec 19 14:23:58.381 INFO [stderr]     Checking fixed-hash v0.2.1
Dec 19 14:23:58.449 INFO [stderr]    Compiling serde_derive v1.0.62
Dec 19 14:23:58.451 INFO [stderr]     Checking hyper v0.10.13
Dec 19 14:23:58.796 INFO [stderr]     Checking uint v0.2.1
Dec 19 14:23:59.223 INFO [stderr]     Checking parking_lot v0.5.5
Dec 19 14:23:59.468 INFO [stderr]     Checking openssl v0.9.24
Dec 19 14:23:59.685 INFO [stderr]     Checking crossbeam-deque v0.3.1
Dec 19 14:24:01.024 INFO [stderr]     Checking tokio-threadpool v0.1.3
Dec 19 14:24:04.294 INFO [stderr]     Checking backtrace v0.3.8
Dec 19 14:24:06.585 INFO [stderr]     Checking error-chain v0.11.0
Dec 19 14:24:06.788 INFO [stderr]     Checking tokio-fs v0.1.0
Dec 19 14:24:08.796 INFO [stderr]     Checking tokio v0.1.6
Dec 19 14:24:10.924 INFO [stderr]     Checking native-tls v0.1.5
Dec 19 14:24:11.244 INFO [stderr]     Checking tokio-core v0.1.17
Dec 19 14:24:14.303 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 19 14:24:14.303 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 19 14:24:14.303 INFO [stderr]     Checking tokio-uds v0.1.7
Dec 19 14:24:15.821 INFO [stderr]     Checking websocket v0.20.2
Dec 19 14:24:22.912 INFO [stderr]     Checking hyper v0.11.27
Dec 19 14:24:36.104 INFO [stderr]     Checking ethereum-types-serialize v0.2.1
Dec 19 14:24:36.104 INFO [stderr]     Checking serde_json v1.0.18
Dec 19 14:24:37.121 INFO [stderr]     Checking ethbloom v0.5.0
Dec 19 14:24:38.279 INFO [stderr]     Checking ethereum-types v0.3.2
Dec 19 14:24:38.926 INFO [stderr]     Checking hyper-tls v0.1.3
Dec 19 14:24:41.724 INFO [stderr]     Checking jsonrpc-core v8.0.1
Dec 19 14:24:51.568 INFO [stderr]     Checking ethabi v5.1.1
Dec 19 14:24:53.220 INFO [stderr]     Checking web3 v0.3.0
Dec 19 14:24:58.282 INFO [stderr]     Checking ethworkshop v0.1.0 (/opt/crater/workdir)
Dec 19 14:25:00.104 INFO [stderr] warning: unused imports: `thread`, `time`
Dec 19 14:25:00.104 INFO [stderr]  --> src/main.rs:6:11
Dec 19 14:25:00.104 INFO [stderr]   |
Dec 19 14:25:00.104 INFO [stderr] 6 | use std::{thread, time};
Dec 19 14:25:00.104 INFO [stderr]   |           ^^^^^^  ^^^^
Dec 19 14:25:00.104 INFO [stderr]   |
Dec 19 14:25:00.104 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:25:00.104 INFO [stderr] 
Dec 19 14:25:00.250 INFO [stderr] warning: unused variable: `address_str`
Dec 19 14:25:00.250 INFO [stderr]   --> src/main.rs:29:13
Dec 19 14:25:00.250 INFO [stderr]    |
Dec 19 14:25:00.250 INFO [stderr] 29 |         let address_str = line.clone();
Dec 19 14:25:00.250 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_address_str` instead
Dec 19 14:25:00.250 INFO [stderr]    |
Dec 19 14:25:00.250 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:25:00.250 INFO [stderr] 
Dec 19 14:25:00.480 INFO [stderr] warning: unused imports: `thread`, `time`
Dec 19 14:25:00.480 INFO [stderr]  --> src/main.rs:6:11
Dec 19 14:25:00.481 INFO [stderr]   |
Dec 19 14:25:00.481 INFO [stderr] 6 | use std::{thread, time};
Dec 19 14:25:00.481 INFO [stderr]   |           ^^^^^^  ^^^^
Dec 19 14:25:00.482 INFO [stderr]   |
Dec 19 14:25:00.482 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:25:00.482 INFO [stderr] 
Dec 19 14:25:00.564 INFO [stderr] warning: unused variable: `address_str`
Dec 19 14:25:00.564 INFO [stderr]   --> src/main.rs:29:13
Dec 19 14:25:00.564 INFO [stderr]    |
Dec 19 14:25:00.564 INFO [stderr] 29 |         let address_str = line.clone();
Dec 19 14:25:00.564 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_address_str` instead
Dec 19 14:25:00.564 INFO [stderr]    |
Dec 19 14:25:00.564 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:25:00.564 INFO [stderr] 
Dec 19 14:25:00.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
Dec 19 14:25:02.100 INFO running `"docker" "inspect" "01c75d9e5cf9af63c298a6b529200e89df6170d17fa197b552e23a5e658bca38"`
Dec 19 14:25:02.502 INFO running `"docker" "rm" "-f" "01c75d9e5cf9af63c298a6b529200e89df6170d17fa197b552e23a5e658bca38"`
Dec 19 14:25:02.884 INFO [stdout] 01c75d9e5cf9af63c298a6b529200e89df6170d17fa197b552e23a5e658bca38