Dec 19 15:11:55.002 INFO checking jhwagner/rust_by_example_solutions against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:11:55.002 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:11:55.353 INFO [stdout] fbb1f040f34875f579e2b4f39c857142fb02f262ef68f608242863d00fbc3c03
Dec 19 15:11:55.356 INFO running `"docker" "start" "-a" "fbb1f040f34875f579e2b4f39c857142fb02f262ef68f608242863d00fbc3c03"`
Dec 19 15:11:57.110 INFO [stderr]     Checking rust_by_example_solutions v0.1.0 (/opt/crater/workdir)
Dec 19 15:11:58.298 INFO [stderr] warning: struct is never constructed: `Structure`
Dec 19 15:11:58.298 INFO [stderr]   --> src/bin/1_2_0_formatted_print.rs:27:5
Dec 19 15:11:58.298 INFO [stderr]    |
Dec 19 15:11:58.298 INFO [stderr] 27 |     struct Structure(i32);
Dec 19 15:11:58.298 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:11:58.310 INFO [stderr]    |
Dec 19 15:11:58.316 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:11:58.316 INFO [stderr] 
Dec 19 15:11:58.736 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
Dec 19 15:11:59.517 INFO running `"docker" "inspect" "fbb1f040f34875f579e2b4f39c857142fb02f262ef68f608242863d00fbc3c03"`
Dec 19 15:11:59.815 INFO running `"docker" "rm" "-f" "fbb1f040f34875f579e2b4f39c857142fb02f262ef68f608242863d00fbc3c03"`
Dec 19 15:12:00.130 INFO [stdout] fbb1f040f34875f579e2b4f39c857142fb02f262ef68f608242863d00fbc3c03