Dec 04 16:38:37.056 INFO checking jhwagner/rust_by_example_solutions against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:38:37.056 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 16:38:37.503 INFO [stdout] c3f8021250203dee4d182e18499f019855ee39d8a4b68b13942912f53dfe03a6
Dec 04 16:38:37.506 INFO running `"docker" "start" "-a" "c3f8021250203dee4d182e18499f019855ee39d8a4b68b13942912f53dfe03a6"`
Dec 04 16:38:38.425 INFO [stderr] usermod: no changes
Dec 04 16:38:38.463 INFO [stderr]     Checking rust_by_example_solutions v0.1.0 (/source)
Dec 04 16:38:40.464 INFO [stderr] warning: struct is never constructed: `Structure`
Dec 04 16:38:40.464 INFO [stderr]   --> src/bin/1_2_0_formatted_print.rs:27:5
Dec 04 16:38:40.464 INFO [stderr]    |
Dec 04 16:38:40.464 INFO [stderr] 27 |     struct Structure(i32);
Dec 04 16:38:40.464 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:38:40.464 INFO [stderr]    |
Dec 04 16:38:40.464 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 16:38:40.464 INFO [stderr] 
Dec 04 16:38:40.607 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
Dec 04 16:38:40.611 INFO [stderr] su: No module specific data is present
Dec 04 16:38:41.241 INFO running `"docker" "inspect" "c3f8021250203dee4d182e18499f019855ee39d8a4b68b13942912f53dfe03a6"`
Dec 04 16:38:41.383 INFO running `"docker" "rm" "-f" "c3f8021250203dee4d182e18499f019855ee39d8a4b68b13942912f53dfe03a6"`
Dec 04 16:38:41.626 INFO [stdout] c3f8021250203dee4d182e18499f019855ee39d8a4b68b13942912f53dfe03a6