Nov 29 15:47:51.965 INFO checking upenn-cis198-2018f/Lecture6 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 15:47:51.965 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 15:47:52.440 INFO [stdout] 766331d55e85c52687d505d4f54bf267d00e3b108aeb19ba878a53df3d68fd9f
Nov 29 15:47:52.444 INFO running `"docker" "start" "-a" "766331d55e85c52687d505d4f54bf267d00e3b108aeb19ba878a53df3d68fd9f"`
Nov 29 15:47:53.372 INFO [stderr] usermod: no changes
Nov 29 15:47:53.402 INFO [stderr]     Checking lecture6 v0.1.0 (/source)
Nov 29 15:47:53.552 INFO [stderr] warning: unused import: `std::fmt::Display`
Nov 29 15:47:53.552 INFO [stderr]  --> src/generics.rs:4:5
Nov 29 15:47:53.552 INFO [stderr]   |
Nov 29 15:47:53.552 INFO [stderr] 4 | use std::fmt::Display;
Nov 29 15:47:53.552 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 29 15:47:53.552 INFO [stderr]   |
Nov 29 15:47:53.552 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 15:47:53.552 INFO [stderr] 
Nov 29 15:47:53.568 INFO [stderr] warning: unused import: `std::fmt::Display`
Nov 29 15:47:53.568 INFO [stderr]  --> src/generics.rs:4:5
Nov 29 15:47:53.568 INFO [stderr]   |
Nov 29 15:47:53.568 INFO [stderr] 4 | use std::fmt::Display;
Nov 29 15:47:53.568 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 29 15:47:53.568 INFO [stderr]   |
Nov 29 15:47:53.568 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 15:47:53.568 INFO [stderr] 
Nov 29 15:47:53.608 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
Nov 29 15:47:53.608 INFO [stderr] su: No module specific data is present
Nov 29 15:47:53.983 INFO running `"docker" "inspect" "766331d55e85c52687d505d4f54bf267d00e3b108aeb19ba878a53df3d68fd9f"`
Nov 29 15:47:54.066 INFO running `"docker" "rm" "-f" "766331d55e85c52687d505d4f54bf267d00e3b108aeb19ba878a53df3d68fd9f"`
Nov 29 15:47:54.191 INFO [stdout] 766331d55e85c52687d505d4f54bf267d00e3b108aeb19ba878a53df3d68fd9f