Dec 12 22:47:24.361 INFO testing upenn-cis198-2018f/Lecture6 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 22:47:24.361 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 22:47:24.547 INFO [stdout] f150a1435aaf7aedda4984965b6f47da66c05e5e2afc83df25716521da06bc6b
Dec 12 22:47:24.553 INFO running `"docker" "start" "-a" "f150a1435aaf7aedda4984965b6f47da66c05e5e2afc83df25716521da06bc6b"`
Dec 12 22:47:25.029 INFO [stderr] usermod: no changes
Dec 12 22:47:25.052 INFO [stderr]    Compiling lecture6 v0.1.0 (/source)
Dec 12 22:47:25.221 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 12 22:47:25.222 INFO [stderr]  --> src/generics.rs:4:5
Dec 12 22:47:25.222 INFO [stderr]   |
Dec 12 22:47:25.222 INFO [stderr] 4 | use std::fmt::Display;
Dec 12 22:47:25.222 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 12 22:47:25.222 INFO [stderr]   |
Dec 12 22:47:25.222 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 22:47:25.222 INFO [stderr] 
Dec 12 22:47:25.404 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
Dec 12 22:47:25.406 INFO [stderr] su: No module specific data is present
Dec 12 22:47:25.787 INFO running `"docker" "inspect" "f150a1435aaf7aedda4984965b6f47da66c05e5e2afc83df25716521da06bc6b"`
Dec 12 22:47:25.887 INFO running `"docker" "rm" "-f" "f150a1435aaf7aedda4984965b6f47da66c05e5e2afc83df25716521da06bc6b"`
Dec 12 22:47:26.050 INFO [stdout] f150a1435aaf7aedda4984965b6f47da66c05e5e2afc83df25716521da06bc6b
Dec 12 22:47:26.051 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 22:47:26.271 INFO [stdout] 58d1412dc237f05bc16f10fc919fd1b9087fd305ec8f0d7da7262fe49ea0c180
Dec 12 22:47:26.273 INFO running `"docker" "start" "-a" "58d1412dc237f05bc16f10fc919fd1b9087fd305ec8f0d7da7262fe49ea0c180"`
Dec 12 22:47:26.675 INFO [stderr] usermod: no changes
Dec 12 22:47:26.719 INFO [stderr]    Compiling lecture6 v0.1.0 (/source)
Dec 12 22:47:26.891 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 12 22:47:26.891 INFO [stderr]  --> src/generics.rs:4:5
Dec 12 22:47:26.891 INFO [stderr]   |
Dec 12 22:47:26.891 INFO [stderr] 4 | use std::fmt::Display;
Dec 12 22:47:26.891 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 12 22:47:26.891 INFO [stderr]   |
Dec 12 22:47:26.891 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 22:47:26.891 INFO [stderr] 
Dec 12 22:47:27.099 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Dec 12 22:47:27.103 INFO [stderr] su: No module specific data is present
Dec 12 22:47:27.420 INFO running `"docker" "inspect" "58d1412dc237f05bc16f10fc919fd1b9087fd305ec8f0d7da7262fe49ea0c180"`
Dec 12 22:47:27.516 INFO running `"docker" "rm" "-f" "58d1412dc237f05bc16f10fc919fd1b9087fd305ec8f0d7da7262fe49ea0c180"`
Dec 12 22:47:27.616 INFO [stdout] 58d1412dc237f05bc16f10fc919fd1b9087fd305ec8f0d7da7262fe49ea0c180
Dec 12 22:47:27.618 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 22:47:27.803 INFO [stdout] 95c4c12981c6d4b389e49aa4acffdc0c13d661ecfbf6144194b7fb06fa0d3b4f
Dec 12 22:47:27.808 INFO running `"docker" "start" "-a" "95c4c12981c6d4b389e49aa4acffdc0c13d661ecfbf6144194b7fb06fa0d3b4f"`
Dec 12 22:47:28.271 INFO [stderr] usermod: no changes
Dec 12 22:47:28.311 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 12 22:47:28.314 INFO [stderr]      Running /target/debug/deps/lecture6-4050bd35f74721ec
Dec 12 22:47:28.316 INFO [stdout] 
Dec 12 22:47:28.316 INFO [stdout] running 0 tests
Dec 12 22:47:28.316 INFO [stdout] 
Dec 12 22:47:28.316 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 22:47:28.316 INFO [stdout] 
Dec 12 22:47:28.318 INFO [stderr] su: No module specific data is present
Dec 12 22:47:28.650 INFO running `"docker" "inspect" "95c4c12981c6d4b389e49aa4acffdc0c13d661ecfbf6144194b7fb06fa0d3b4f"`
Dec 12 22:47:28.744 INFO running `"docker" "rm" "-f" "95c4c12981c6d4b389e49aa4acffdc0c13d661ecfbf6144194b7fb06fa0d3b4f"`
Dec 12 22:47:28.922 INFO [stdout] 95c4c12981c6d4b389e49aa4acffdc0c13d661ecfbf6144194b7fb06fa0d3b4f