Dec 17 18:49:04.058 INFO checking nicguzzo/keyboard-app against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:49:04.058 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:49:04.511 INFO [stdout] e7268bca2eba1867b38398ab57c988e27b025effd8a6a8b1f2b06dbae4faf365
Dec 17 18:49:04.513 INFO running `"docker" "start" "-a" "e7268bca2eba1867b38398ab57c988e27b025effd8a6a8b1f2b06dbae4faf365"`
Dec 17 18:49:06.877 INFO [stderr]    Compiling openssl v0.9.15
Dec 17 18:49:06.900 INFO [stderr]    Compiling openssl-sys v0.9.15
Dec 17 18:49:06.900 INFO [stderr]     Checking iovec v0.1.0
Dec 17 18:49:06.900 INFO [stderr]     Checking ioctl-rs v0.1.5
Dec 17 18:49:06.933 INFO [stderr]     Checking termios v0.2.2
Dec 17 18:49:06.957 INFO [stderr]     Checking serial-core v0.4.0
Dec 17 18:49:06.959 INFO [stderr]     Checking net2 v0.2.30
Dec 17 18:49:08.524 INFO [stderr]     Checking bytes v0.4.4
Dec 17 18:49:08.867 INFO [stderr]     Checking serial-unix v0.4.0
Dec 17 18:49:10.144 INFO [stderr]     Checking mio v0.6.10
Dec 17 18:49:10.196 INFO [stderr]     Checking serial v0.4.0
Dec 17 18:49:11.973 INFO [stderr]     Checking tokio-io v0.1.2
Dec 17 18:49:14.147 INFO [stderr]     Checking tokio-core v0.1.9
Dec 17 18:49:17.041 INFO [stderr]     Checking native-tls v0.1.4
Dec 17 18:49:17.465 INFO [stderr]     Checking tokio-tls v0.1.3
Dec 17 18:49:17.769 INFO [stderr]     Checking websocket v0.20.2
Dec 17 18:49:19.292 INFO [stderr]     Checking keyboard-app v0.1.0 (/opt/crater/workdir)
Dec 17 18:49:19.618 INFO [stderr] warning: unused import: `std::env`
Dec 17 18:49:19.619 INFO [stderr]   --> src/main.rs:14:5
Dec 17 18:49:19.619 INFO [stderr]    |
Dec 17 18:49:19.619 INFO [stderr] 14 | use std::env;
Dec 17 18:49:19.619 INFO [stderr]    |     ^^^^^^^^
Dec 17 18:49:19.619 INFO [stderr]    |
Dec 17 18:49:19.619 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 18:49:19.619 INFO [stderr] 
Dec 17 18:49:19.788 INFO [stderr] warning: unused import: `std::env`
Dec 17 18:49:19.788 INFO [stderr]   --> src/main.rs:14:5
Dec 17 18:49:19.788 INFO [stderr]    |
Dec 17 18:49:19.788 INFO [stderr] 14 | use std::env;
Dec 17 18:49:19.788 INFO [stderr]    |     ^^^^^^^^
Dec 17 18:49:19.788 INFO [stderr]    |
Dec 17 18:49:19.788 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 18:49:19.788 INFO [stderr] 
Dec 17 18:49:19.882 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.19s
Dec 17 18:49:20.141 INFO running `"docker" "inspect" "e7268bca2eba1867b38398ab57c988e27b025effd8a6a8b1f2b06dbae4faf365"`
Dec 17 18:49:20.233 INFO running `"docker" "rm" "-f" "e7268bca2eba1867b38398ab57c988e27b025effd8a6a8b1f2b06dbae4faf365"`
Dec 17 18:49:20.369 INFO [stdout] e7268bca2eba1867b38398ab57c988e27b025effd8a6a8b1f2b06dbae4faf365