Dec 17 19:12:23.251 INFO checking mtraina/rust-by-example against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:12:23.251 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/mtraina/rust-by-example:/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 19:12:23.688 INFO [stdout] 4d57fb181b2da8af41ea16def2b83c6097e9f847b7cad4660af43732fada5658
Dec 17 19:12:23.690 INFO running `"docker" "start" "-a" "4d57fb181b2da8af41ea16def2b83c6097e9f847b7cad4660af43732fada5658"`
Dec 17 19:12:25.508 INFO [stderr]     Checking rust_by_example v0.1.0 (/opt/crater/workdir)
Dec 17 19:12:26.186 INFO [stderr] warning: struct is never constructed: `Structure`
Dec 17 19:12:26.186 INFO [stderr]   --> examples/1_2_formatted_print.rs:34:5
Dec 17 19:12:26.186 INFO [stderr]    |
Dec 17 19:12:26.187 INFO [stderr] 34 |     struct Structure(i32);
Dec 17 19:12:26.187 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:12:26.187 INFO [stderr]    |
Dec 17 19:12:26.187 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:12:26.187 INFO [stderr] 
Dec 17 19:12:26.217 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 17 19:12:27.349 INFO running `"docker" "inspect" "4d57fb181b2da8af41ea16def2b83c6097e9f847b7cad4660af43732fada5658"`
Dec 17 19:12:27.754 INFO running `"docker" "rm" "-f" "4d57fb181b2da8af41ea16def2b83c6097e9f847b7cad4660af43732fada5658"`
Dec 17 19:12:28.076 INFO [stdout] 4d57fb181b2da8af41ea16def2b83c6097e9f847b7cad4660af43732fada5658