Dec 19 11:53:15.755 INFO checking nicguzzo/keyboard-app against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 11:53:15.755 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/nicguzzo/keyboard-app:/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 11:53:16.043 INFO [stdout] c497e236b8cda770c8041751a240878de6450dac9bd43c794c6bc7cd9add12da
Dec 19 11:53:16.045 INFO running `"docker" "start" "-a" "c497e236b8cda770c8041751a240878de6450dac9bd43c794c6bc7cd9add12da"`
Dec 19 11:53:16.750 INFO [stderr]     Checking iovec v0.1.0
Dec 19 11:53:16.750 INFO [stderr]     Checking ioctl-rs v0.1.5
Dec 19 11:53:16.750 INFO [stderr]     Checking serial-core v0.4.0
Dec 19 11:53:16.757 INFO [stderr]     Checking termios v0.2.2
Dec 19 11:53:16.768 INFO [stderr]     Checking net2 v0.2.30
Dec 19 11:53:16.769 INFO [stderr]     Checking openssl-sys v0.9.15
Dec 19 11:53:16.769 INFO [stderr]     Checking hyper v0.10.12
Dec 19 11:53:17.793 INFO [stderr]     Checking bytes v0.4.4
Dec 19 11:53:17.903 INFO [stderr]     Checking serial-unix v0.4.0
Dec 19 11:53:18.101 INFO [stderr]     Checking openssl v0.9.15
Dec 19 11:53:18.760 INFO [stderr]     Checking mio v0.6.10
Dec 19 11:53:18.926 INFO [stderr]     Checking serial v0.4.0
Dec 19 11:53:20.624 INFO [stderr]     Checking tokio-io v0.1.2
Dec 19 11:53:23.145 INFO [stderr]     Checking tokio-core v0.1.9
Dec 19 11:53:25.860 INFO [stderr]     Checking native-tls v0.1.4
Dec 19 11:53:26.361 INFO [stderr]     Checking tokio-tls v0.1.3
Dec 19 11:53:26.796 INFO [stderr]     Checking websocket v0.20.2
Dec 19 11:53:28.405 INFO [stderr]     Checking keyboard-app v0.1.0 (/opt/crater/workdir)
Dec 19 11:53:28.887 INFO [stderr] warning: unused import: `std::env`
Dec 19 11:53:28.887 INFO [stderr]   --> src/main.rs:14:5
Dec 19 11:53:28.887 INFO [stderr]    |
Dec 19 11:53:28.887 INFO [stderr] 14 | use std::env;
Dec 19 11:53:28.887 INFO [stderr]    |     ^^^^^^^^
Dec 19 11:53:28.887 INFO [stderr]    |
Dec 19 11:53:28.887 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 11:53:28.887 INFO [stderr] 
Dec 19 11:53:28.952 INFO [stderr] warning: unused import: `std::env`
Dec 19 11:53:28.952 INFO [stderr]   --> src/main.rs:14:5
Dec 19 11:53:28.952 INFO [stderr]    |
Dec 19 11:53:28.952 INFO [stderr] 14 | use std::env;
Dec 19 11:53:28.952 INFO [stderr]    |     ^^^^^^^^
Dec 19 11:53:28.952 INFO [stderr]    |
Dec 19 11:53:28.952 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 11:53:28.952 INFO [stderr] 
Dec 19 11:53:29.120 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.49s
Dec 19 11:53:29.703 INFO running `"docker" "inspect" "c497e236b8cda770c8041751a240878de6450dac9bd43c794c6bc7cd9add12da"`
Dec 19 11:53:29.930 INFO running `"docker" "rm" "-f" "c497e236b8cda770c8041751a240878de6450dac9bd43c794c6bc7cd9add12da"`
Dec 19 11:53:30.297 INFO [stdout] c497e236b8cda770c8041751a240878de6450dac9bd43c794c6bc7cd9add12da