Dec 19 15:11:52.148 INFO checking jhwagner/rust_by_example_solutions against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:11:52.148 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/jhwagner/rust_by_example_solutions:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:11:52.352 INFO [stdout] 6a6594a13d078cc4861ef99572436fccf1d7ee351aaf24e76819a713bb085453
Dec 19 15:11:52.354 INFO running `"docker" "start" "-a" "6a6594a13d078cc4861ef99572436fccf1d7ee351aaf24e76819a713bb085453"`
Dec 19 15:11:53.058 INFO [stderr]     Checking rust_by_example_solutions v0.1.0 (/opt/crater/workdir)
Dec 19 15:11:53.571 INFO [stderr] warning: struct is never constructed: `Structure`
Dec 19 15:11:53.571 INFO [stderr]   --> src/bin/1_2_0_formatted_print.rs:27:5
Dec 19 15:11:53.571 INFO [stderr]    |
Dec 19 15:11:53.571 INFO [stderr] 27 |     struct Structure(i32);
Dec 19 15:11:53.571 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:11:53.571 INFO [stderr]    |
Dec 19 15:11:53.571 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:11:53.571 INFO [stderr] 
Dec 19 15:11:53.644 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Dec 19 15:11:54.226 INFO running `"docker" "inspect" "6a6594a13d078cc4861ef99572436fccf1d7ee351aaf24e76819a713bb085453"`
Dec 19 15:11:54.582 INFO running `"docker" "rm" "-f" "6a6594a13d078cc4861ef99572436fccf1d7ee351aaf24e76819a713bb085453"`
Dec 19 15:11:54.928 INFO [stdout] 6a6594a13d078cc4861ef99572436fccf1d7ee351aaf24e76819a713bb085453