Dec 17 15:37:49.794 INFO checking sgkim126/rust-worksheet against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:37:49.795 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/sgkim126/rust-worksheet:/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 15:37:50.340 INFO [stdout] 8c499e68a3da7242b6872be00427a053bddc29d6af3377565ab6312e654c8cff
Dec 17 15:37:50.346 INFO running `"docker" "start" "-a" "8c499e68a3da7242b6872be00427a053bddc29d6af3377565ab6312e654c8cff"`
Dec 17 15:37:51.933 INFO [stderr]     Checking rust-worksheet v0.1.0 (/opt/crater/workdir)
Dec 17 15:37:53.668 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 17 15:37:53.668 INFO [stderr]   --> src/main.rs:26:52
Dec 17 15:37:53.668 INFO [stderr]    |
Dec 17 15:37:53.668 INFO [stderr] 26 |         .ok().expect("sysroot is not valid UTF-8").trim_right_matches(
Dec 17 15:37:53.668 INFO [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^
Dec 17 15:37:53.668 INFO [stderr]    |
Dec 17 15:37:53.668 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 15:37:53.668 INFO [stderr] 
Dec 17 15:37:53.728 INFO [stderr] warning: function is never used: `get_sysroot`
Dec 17 15:37:53.728 INFO [stderr]   --> src/main.rs:17:1
Dec 17 15:37:53.728 INFO [stderr]    |
Dec 17 15:37:53.728 INFO [stderr] 17 | fn get_sysroot() -> PathBuf {
Dec 17 15:37:53.728 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:37:53.728 INFO [stderr]    |
Dec 17 15:37:53.728 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:37:53.728 INFO [stderr] 
Dec 17 15:37:53.748 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 17 15:37:53.748 INFO [stderr]   --> src/main.rs:26:52
Dec 17 15:37:53.748 INFO [stderr]    |
Dec 17 15:37:53.748 INFO [stderr] 26 |         .ok().expect("sysroot is not valid UTF-8").trim_right_matches(
Dec 17 15:37:53.748 INFO [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^
Dec 17 15:37:53.748 INFO [stderr]    |
Dec 17 15:37:53.748 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 15:37:53.748 INFO [stderr] 
Dec 17 15:37:53.834 INFO [stderr] warning: function is never used: `get_sysroot`
Dec 17 15:37:53.834 INFO [stderr]   --> src/main.rs:17:1
Dec 17 15:37:53.834 INFO [stderr]    |
Dec 17 15:37:53.834 INFO [stderr] 17 | fn get_sysroot() -> PathBuf {
Dec 17 15:37:53.834 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:37:53.834 INFO [stderr]    |
Dec 17 15:37:53.834 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:37:53.834 INFO [stderr] 
Dec 17 15:37:53.876 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
Dec 17 15:37:54.768 INFO running `"docker" "inspect" "8c499e68a3da7242b6872be00427a053bddc29d6af3377565ab6312e654c8cff"`
Dec 17 15:37:55.067 INFO running `"docker" "rm" "-f" "8c499e68a3da7242b6872be00427a053bddc29d6af3377565ab6312e654c8cff"`
Dec 17 15:37:55.400 INFO [stdout] 8c499e68a3da7242b6872be00427a053bddc29d6af3377565ab6312e654c8cff