Dec 17 12:48:10.189 INFO checking upenn-cis198-2018f/Lecture6 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 12:48:10.189 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:48:10.488 INFO [stdout] 240bdc0dabeba0f0fd12b828026e5f4c5ed75e643c40bd1ca52d30dff67f64ea
Dec 17 12:48:10.496 INFO running `"docker" "start" "-a" "240bdc0dabeba0f0fd12b828026e5f4c5ed75e643c40bd1ca52d30dff67f64ea"`
Dec 17 12:48:11.485 INFO [stderr]     Checking lecture6 v0.1.0 (/opt/crater/workdir)
Dec 17 12:48:11.627 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 17 12:48:11.627 INFO [stderr]  --> src/generics.rs:4:5
Dec 17 12:48:11.627 INFO [stderr]   |
Dec 17 12:48:11.628 INFO [stderr] 4 | use std::fmt::Display;
Dec 17 12:48:11.628 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 12:48:11.628 INFO [stderr]   |
Dec 17 12:48:11.628 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 12:48:11.629 INFO [stderr] 
Dec 17 12:48:11.746 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 17 12:48:11.747 INFO [stderr]  --> src/generics.rs:4:5
Dec 17 12:48:11.747 INFO [stderr]   |
Dec 17 12:48:11.747 INFO [stderr] 4 | use std::fmt::Display;
Dec 17 12:48:11.747 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 12:48:11.748 INFO [stderr]   |
Dec 17 12:48:11.748 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 12:48:11.748 INFO [stderr] 
Dec 17 12:48:11.780 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
Dec 17 12:48:12.112 INFO running `"docker" "inspect" "240bdc0dabeba0f0fd12b828026e5f4c5ed75e643c40bd1ca52d30dff67f64ea"`
Dec 17 12:48:12.199 INFO running `"docker" "rm" "-f" "240bdc0dabeba0f0fd12b828026e5f4c5ed75e643c40bd1ca52d30dff67f64ea"`
Dec 17 12:48:12.361 INFO [stdout] 240bdc0dabeba0f0fd12b828026e5f4c5ed75e643c40bd1ca52d30dff67f64ea