Dec 19 14:00:13.344 INFO checking ksakiyama/my_first_rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:00:13.344 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ksakiyama/my_first_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 14:00:13.782 INFO [stdout] c3f680643a8f6eb9169207ff31e82b28fa349e81103a5c407b95a4a50cf7c40e
Dec 19 14:00:13.784 INFO running `"docker" "start" "-a" "c3f680643a8f6eb9169207ff31e82b28fa349e81103a5c407b95a4a50cf7c40e"`
Dec 19 14:00:15.904 INFO [stderr]     Checking first_rust v0.1.0 (/opt/crater/workdir)
Dec 19 14:00:16.244 INFO [stderr] warning: function is never used: `read_from_file`
Dec 19 14:00:16.244 INFO [stderr]    --> src/main.rs:101:1
Dec 19 14:00:16.244 INFO [stderr]     |
Dec 19 14:00:16.245 INFO [stderr] 101 | fn read_from_file() -> Vec<Vec<i32>> {
Dec 19 14:00:16.245 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:00:16.245 INFO [stderr]     |
Dec 19 14:00:16.245 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 14:00:16.245 INFO [stderr] 
Dec 19 14:00:16.366 INFO [stderr] warning: function is never used: `read_from_file`
Dec 19 14:00:16.366 INFO [stderr]    --> src/main.rs:101:1
Dec 19 14:00:16.366 INFO [stderr]     |
Dec 19 14:00:16.366 INFO [stderr] 101 | fn read_from_file() -> Vec<Vec<i32>> {
Dec 19 14:00:16.366 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:00:16.366 INFO [stderr]     |
Dec 19 14:00:16.366 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 14:00:16.366 INFO [stderr] 
Dec 19 14:00:16.396 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Dec 19 14:00:17.580 INFO running `"docker" "inspect" "c3f680643a8f6eb9169207ff31e82b28fa349e81103a5c407b95a4a50cf7c40e"`
Dec 19 14:00:17.900 INFO running `"docker" "rm" "-f" "c3f680643a8f6eb9169207ff31e82b28fa349e81103a5c407b95a4a50cf7c40e"`
Dec 19 14:00:18.215 INFO [stdout] c3f680643a8f6eb9169207ff31e82b28fa349e81103a5c407b95a4a50cf7c40e