Dec 05 03:09:11.609 INFO testing upenn-cis198-2018f/Lecture6 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 03:09:11.610 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 05 03:09:12.022 INFO [stdout] 5dac4568114f3e313d1c95a0c16ad39c307a3e44404e23d872e1f7cebd3dea59
Dec 05 03:09:12.026 INFO running `"docker" "start" "-a" "5dac4568114f3e313d1c95a0c16ad39c307a3e44404e23d872e1f7cebd3dea59"`
Dec 05 03:09:13.242 INFO [stderr] usermod: no changes
Dec 05 03:09:13.324 INFO [stderr]    Compiling lecture6 v0.1.0 (/source)
Dec 05 03:09:13.572 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 05 03:09:13.572 INFO [stderr]  --> src/generics.rs:4:5
Dec 05 03:09:13.572 INFO [stderr]   |
Dec 05 03:09:13.572 INFO [stderr] 4 | use std::fmt::Display;
Dec 05 03:09:13.572 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 05 03:09:13.572 INFO [stderr]   |
Dec 05 03:09:13.572 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:09:13.572 INFO [stderr] 
Dec 05 03:09:13.823 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Dec 05 03:09:13.823 INFO [stderr] su: No module specific data is present
Dec 05 03:09:14.515 INFO running `"docker" "inspect" "5dac4568114f3e313d1c95a0c16ad39c307a3e44404e23d872e1f7cebd3dea59"`
Dec 05 03:09:14.880 INFO running `"docker" "rm" "-f" "5dac4568114f3e313d1c95a0c16ad39c307a3e44404e23d872e1f7cebd3dea59"`
Dec 05 03:09:15.252 INFO [stdout] 5dac4568114f3e313d1c95a0c16ad39c307a3e44404e23d872e1f7cebd3dea59
Dec 05 03:09:15.260 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 05 03:09:15.810 INFO [stdout] 8199532b82782925878bd0b63b961cbc7a9be4aff74147e72b0f0de0dffe55ee
Dec 05 03:09:15.814 INFO running `"docker" "start" "-a" "8199532b82782925878bd0b63b961cbc7a9be4aff74147e72b0f0de0dffe55ee"`
Dec 05 03:09:16.877 INFO [stderr] usermod: no changes
Dec 05 03:09:16.956 INFO [stderr]    Compiling lecture6 v0.1.0 (/source)
Dec 05 03:09:17.240 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 05 03:09:17.240 INFO [stderr]  --> src/generics.rs:4:5
Dec 05 03:09:17.240 INFO [stderr]   |
Dec 05 03:09:17.240 INFO [stderr] 4 | use std::fmt::Display;
Dec 05 03:09:17.240 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 05 03:09:17.240 INFO [stderr]   |
Dec 05 03:09:17.240 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:09:17.240 INFO [stderr] 
Dec 05 03:09:17.584 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Dec 05 03:09:17.584 INFO [stderr] su: No module specific data is present
Dec 05 03:09:18.270 INFO running `"docker" "inspect" "8199532b82782925878bd0b63b961cbc7a9be4aff74147e72b0f0de0dffe55ee"`
Dec 05 03:09:18.550 INFO running `"docker" "rm" "-f" "8199532b82782925878bd0b63b961cbc7a9be4aff74147e72b0f0de0dffe55ee"`
Dec 05 03:09:18.864 INFO [stdout] 8199532b82782925878bd0b63b961cbc7a9be4aff74147e72b0f0de0dffe55ee
Dec 05 03:09:18.867 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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 05 03:09:19.258 INFO [stdout] e2e34898f26a31d5bfa0a86c91dff420ca850fed875d4ab87ef68a1b06929f87
Dec 05 03:09:19.259 INFO running `"docker" "start" "-a" "e2e34898f26a31d5bfa0a86c91dff420ca850fed875d4ab87ef68a1b06929f87"`
Dec 05 03:09:20.524 INFO [stderr] usermod: no changes
Dec 05 03:09:20.585 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 03:09:20.585 INFO [stderr]      Running /target/debug/deps/lecture6-807d5ff2801bf64d
Dec 05 03:09:20.604 INFO [stderr] su: No module specific data is present
Dec 05 03:09:20.604 INFO [stdout] 
Dec 05 03:09:20.604 INFO [stdout] running 0 tests
Dec 05 03:09:20.604 INFO [stdout] 
Dec 05 03:09:20.604 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 03:09:20.604 INFO [stdout] 
Dec 05 03:09:21.350 INFO running `"docker" "inspect" "e2e34898f26a31d5bfa0a86c91dff420ca850fed875d4ab87ef68a1b06929f87"`
Dec 05 03:09:21.620 INFO running `"docker" "rm" "-f" "e2e34898f26a31d5bfa0a86c91dff420ca850fed875d4ab87ef68a1b06929f87"`
Dec 05 03:09:21.833 INFO [stdout] e2e34898f26a31d5bfa0a86c91dff420ca850fed875d4ab87ef68a1b06929f87