[INFO] cloning repository upenn-cis198-2018f/lecture8
[INFO] running `"git" "clone" "--bare" "git://github.com/upenn-cis198-2018f/lecture8.git" "work/cache/sources/gh/upenn-cis198-2018f/lecture8"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/upenn-cis198-2018f/lecture8'...
[INFO] running `"git" "clone" "work/cache/sources/gh/upenn-cis198-2018f/lecture8" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/upenn-cis198-2018f/lecture8"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/upenn-cis198-2018f/lecture8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/upenn-cis198-2018f/lecture8" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/upenn-cis198-2018f/lecture8"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/upenn-cis198-2018f/lecture8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ccc03f9683e90bfe33b0a8fc34771bfbb72ed746
[INFO] sha for GitHub repo upenn-cis198-2018f/lecture8: ccc03f9683e90bfe33b0a8fc34771bfbb72ed746
[INFO] validating manifest of upenn-cis198-2018f/lecture8 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of upenn-cis198-2018f/lecture8 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing upenn-cis198-2018f/lecture8
[INFO] finished frobbing upenn-cis198-2018f/lecture8
[INFO] frobbed toml for upenn-cis198-2018f/lecture8 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/upenn-cis198-2018f/lecture8/Cargo.toml
[INFO] started frobbing upenn-cis198-2018f/lecture8
[INFO] finished frobbing upenn-cis198-2018f/lecture8
[INFO] frobbed toml for upenn-cis198-2018f/lecture8 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/upenn-cis198-2018f/lecture8/Cargo.toml
[INFO] crate upenn-cis198-2018f/lecture8 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing upenn-cis198-2018f/lecture8 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/upenn-cis198-2018f/lecture8:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] de12b2cb42ace0dcb551a06a80e0a8d18807d61ba9e65968a8fd7dfa86812acb
[INFO] running `"docker" "start" "-a" "de12b2cb42ace0dcb551a06a80e0a8d18807d61ba9e65968a8fd7dfa86812acb"`
[INFO] [stderr]    Compiling lecture8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "de12b2cb42ace0dcb551a06a80e0a8d18807d61ba9e65968a8fd7dfa86812acb"`
[INFO] running `"docker" "rm" "-f" "de12b2cb42ace0dcb551a06a80e0a8d18807d61ba9e65968a8fd7dfa86812acb"`
[INFO] [stdout] de12b2cb42ace0dcb551a06a80e0a8d18807d61ba9e65968a8fd7dfa86812acb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/upenn-cis198-2018f/lecture8:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 570dd026013c69d9d2777b85cb1d1d37377958da364e7befdf06714306975693
[INFO] running `"docker" "start" "-a" "570dd026013c69d9d2777b85cb1d1d37377958da364e7befdf06714306975693"`
[INFO] [stderr]    Compiling lecture8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "570dd026013c69d9d2777b85cb1d1d37377958da364e7befdf06714306975693"`
[INFO] running `"docker" "rm" "-f" "570dd026013c69d9d2777b85cb1d1d37377958da364e7befdf06714306975693"`
[INFO] [stdout] 570dd026013c69d9d2777b85cb1d1d37377958da364e7befdf06714306975693
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/upenn-cis198-2018f/lecture8:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 6f44f549cd258906ece75848c4126360e4895d031a53244595f32906244ff6c9
[INFO] running `"docker" "start" "-a" "6f44f549cd258906ece75848c4126360e4895d031a53244595f32906244ff6c9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lecture8-181f7c3ef2785025
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6f44f549cd258906ece75848c4126360e4895d031a53244595f32906244ff6c9"`
[INFO] running `"docker" "rm" "-f" "6f44f549cd258906ece75848c4126360e4895d031a53244595f32906244ff6c9"`
[INFO] [stdout] 6f44f549cd258906ece75848c4126360e4895d031a53244595f32906244ff6c9