Dec 19 10:04:09.365 INFO checking robinhad/learning-rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:04:09.365 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/robinhad/learning-rust:/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 10:04:09.956 INFO [stdout] 20746b1da41cce565e2cec5e8f904a343b126908dcc32dc6783ff82e2e2f5ba0
Dec 19 10:04:09.958 INFO running `"docker" "start" "-a" "20746b1da41cce565e2cec5e8f904a343b126908dcc32dc6783ff82e2e2f5ba0"`
Dec 19 10:04:11.689 INFO [stderr]     Checking learning-rust v0.1.0 (/opt/crater/workdir)
Dec 19 10:04:11.844 INFO [stderr] warning: function is never used: `second_word`
Dec 19 10:04:11.844 INFO [stderr]   --> src/main.rs:20:1
Dec 19 10:04:11.844 INFO [stderr]    |
Dec 19 10:04:11.844 INFO [stderr] 20 | fn second_word(s: &String) -> &str {
Dec 19 10:04:11.844 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:04:11.844 INFO [stderr]    |
Dec 19 10:04:11.847 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 10:04:11.847 INFO [stderr] 
Dec 19 10:04:11.944 INFO [stderr] warning: function is never used: `second_word`
Dec 19 10:04:11.944 INFO [stderr]   --> src/main.rs:20:1
Dec 19 10:04:11.944 INFO [stderr]    |
Dec 19 10:04:11.944 INFO [stderr] 20 | fn second_word(s: &String) -> &str {
Dec 19 10:04:11.944 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:04:11.944 INFO [stderr]    |
Dec 19 10:04:11.944 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 10:04:11.944 INFO [stderr] 
Dec 19 10:04:11.975 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Dec 19 10:04:12.512 INFO running `"docker" "inspect" "20746b1da41cce565e2cec5e8f904a343b126908dcc32dc6783ff82e2e2f5ba0"`
Dec 19 10:04:12.812 INFO running `"docker" "rm" "-f" "20746b1da41cce565e2cec5e8f904a343b126908dcc32dc6783ff82e2e2f5ba0"`
Dec 19 10:04:13.092 INFO [stdout] 20746b1da41cce565e2cec5e8f904a343b126908dcc32dc6783ff82e2e2f5ba0