Dec 17 12:48:10.315 INFO checking upenn-cis198-2018f/Lecture6 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 12:48:10.316 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/upenn-cis198-2018f/Lecture6:/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 12:48:10.597 INFO [stdout] 63e2abef26edeb6a45802f711a6a3e5e12d561a18471587875ba9c6ebc021a9c
Dec 17 12:48:10.604 INFO running `"docker" "start" "-a" "63e2abef26edeb6a45802f711a6a3e5e12d561a18471587875ba9c6ebc021a9c"`
Dec 17 12:48:11.645 INFO [stderr]     Checking lecture6 v0.1.0 (/opt/crater/workdir)
Dec 17 12:48:11.820 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 17 12:48:11.820 INFO [stderr]  --> src/generics.rs:4:5
Dec 17 12:48:11.820 INFO [stderr]   |
Dec 17 12:48:11.820 INFO [stderr] 4 | use std::fmt::Display;
Dec 17 12:48:11.820 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 12:48:11.820 INFO [stderr]   |
Dec 17 12:48:11.820 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 12:48:11.820 INFO [stderr] 
Dec 17 12:48:11.874 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 17 12:48:11.875 INFO [stderr]  --> src/generics.rs:4:5
Dec 17 12:48:11.875 INFO [stderr]   |
Dec 17 12:48:11.876 INFO [stderr] 4 | use std::fmt::Display;
Dec 17 12:48:11.876 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 12:48:11.876 INFO [stderr]   |
Dec 17 12:48:11.876 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 12:48:11.876 INFO [stderr] 
Dec 17 12:48:11.899 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
Dec 17 12:48:12.191 INFO running `"docker" "inspect" "63e2abef26edeb6a45802f711a6a3e5e12d561a18471587875ba9c6ebc021a9c"`
Dec 17 12:48:12.310 INFO running `"docker" "rm" "-f" "63e2abef26edeb6a45802f711a6a3e5e12d561a18471587875ba9c6ebc021a9c"`
Dec 17 12:48:12.468 INFO [stdout] 63e2abef26edeb6a45802f711a6a3e5e12d561a18471587875ba9c6ebc021a9c