[INFO] updating cached repository upenn-cis198-2018f/Lecture5
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/upenn-cis198-2018f/Lecture5
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/upenn-cis198-2018f/Lecture5" "work/ex/beta-1.37-6/sources/1.36.0/gh/upenn-cis198-2018f/Lecture5"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/upenn-cis198-2018f/Lecture5'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/upenn-cis198-2018f/Lecture5" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/upenn-cis198-2018f/Lecture5"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/upenn-cis198-2018f/Lecture5'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9dd9eae4affe46b8d3729613b5d015e6868075b3
[INFO] sha for GitHub repo upenn-cis198-2018f/Lecture5: 9dd9eae4affe46b8d3729613b5d015e6868075b3
[INFO] validating manifest of upenn-cis198-2018f/Lecture5 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of upenn-cis198-2018f/Lecture5 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing upenn-cis198-2018f/Lecture5
[INFO] finished frobbing upenn-cis198-2018f/Lecture5
[INFO] frobbed toml for upenn-cis198-2018f/Lecture5 written to work/ex/beta-1.37-6/sources/1.36.0/gh/upenn-cis198-2018f/Lecture5/Cargo.toml
[INFO] started frobbing upenn-cis198-2018f/Lecture5
[INFO] finished frobbing upenn-cis198-2018f/Lecture5
[INFO] frobbed toml for upenn-cis198-2018f/Lecture5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/upenn-cis198-2018f/Lecture5/Cargo.toml
[INFO] crate upenn-cis198-2018f/Lecture5 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing upenn-cis198-2018f/Lecture5 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/upenn-cis198-2018f/Lecture5:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 74b6b3021089c535438becc42dc00d961fba2d750bdeb3cd022f97b1057b4ec7
[INFO] running `"docker" "start" "-a" "74b6b3021089c535438becc42dc00d961fba2d750bdeb3cd022f97b1057b4ec7"`
[INFO] [stderr]    Compiling lecture5 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "74b6b3021089c535438becc42dc00d961fba2d750bdeb3cd022f97b1057b4ec7"`
[INFO] running `"docker" "rm" "-f" "74b6b3021089c535438becc42dc00d961fba2d750bdeb3cd022f97b1057b4ec7"`
[INFO] [stdout] 74b6b3021089c535438becc42dc00d961fba2d750bdeb3cd022f97b1057b4ec7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/upenn-cis198-2018f/Lecture5:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1cb6eee9888af53caada506167b2af5f876c25246e56a97c8754a11cc87bcd24
[INFO] running `"docker" "start" "-a" "1cb6eee9888af53caada506167b2af5f876c25246e56a97c8754a11cc87bcd24"`
[INFO] [stderr]    Compiling lecture5 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "1cb6eee9888af53caada506167b2af5f876c25246e56a97c8754a11cc87bcd24"`
[INFO] running `"docker" "rm" "-f" "1cb6eee9888af53caada506167b2af5f876c25246e56a97c8754a11cc87bcd24"`
[INFO] [stdout] 1cb6eee9888af53caada506167b2af5f876c25246e56a97c8754a11cc87bcd24
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/upenn-cis198-2018f/Lecture5:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 6f5cbb7f4a1eaed47eb5d99de8d2667129fed3a738c28bf3b9488ca72716831e
[INFO] running `"docker" "start" "-a" "6f5cbb7f4a1eaed47eb5d99de8d2667129fed3a738c28bf3b9488ca72716831e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lecture5-988edbab975026e7
[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" "6f5cbb7f4a1eaed47eb5d99de8d2667129fed3a738c28bf3b9488ca72716831e"`
[INFO] running `"docker" "rm" "-f" "6f5cbb7f4a1eaed47eb5d99de8d2667129fed3a738c28bf3b9488ca72716831e"`
[INFO] [stdout] 6f5cbb7f4a1eaed47eb5d99de8d2667129fed3a738c28bf3b9488ca72716831e