Dec 17 21:04:05.733 INFO checking ksakiyama/my_first_rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 21:04:05.734 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:04:06.300 INFO [stdout] c84e7d1ef5899587ac6312358e1c4f2c4624df2e9e684943277d5e3a56a8a9f0
Dec 17 21:04:06.306 INFO running `"docker" "start" "-a" "c84e7d1ef5899587ac6312358e1c4f2c4624df2e9e684943277d5e3a56a8a9f0"`
Dec 17 21:04:07.599 INFO [stderr]     Checking first_rust v0.1.0 (/opt/crater/workdir)
Dec 17 21:04:07.936 INFO [stderr] warning: function is never used: `read_from_file`
Dec 17 21:04:07.940 INFO [stderr]    --> src/main.rs:101:1
Dec 17 21:04:07.940 INFO [stderr]     |
Dec 17 21:04:07.940 INFO [stderr] 101 | fn read_from_file() -> Vec<Vec<i32>> {
Dec 17 21:04:07.940 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:04:07.940 INFO [stderr]     |
Dec 17 21:04:07.940 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 21:04:07.940 INFO [stderr] 
Dec 17 21:04:07.957 INFO [stderr] warning: function is never used: `read_from_file`
Dec 17 21:04:07.957 INFO [stderr]    --> src/main.rs:101:1
Dec 17 21:04:07.957 INFO [stderr]     |
Dec 17 21:04:07.957 INFO [stderr] 101 | fn read_from_file() -> Vec<Vec<i32>> {
Dec 17 21:04:07.957 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:04:07.957 INFO [stderr]     |
Dec 17 21:04:07.958 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 21:04:07.958 INFO [stderr] 
Dec 17 21:04:07.993 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Dec 17 21:04:08.765 INFO running `"docker" "inspect" "c84e7d1ef5899587ac6312358e1c4f2c4624df2e9e684943277d5e3a56a8a9f0"`
Dec 17 21:04:08.955 INFO running `"docker" "rm" "-f" "c84e7d1ef5899587ac6312358e1c4f2c4624df2e9e684943277d5e3a56a8a9f0"`
Dec 17 21:04:09.224 INFO [stdout] c84e7d1ef5899587ac6312358e1c4f2c4624df2e9e684943277d5e3a56a8a9f0