[INFO] cloning repository https://github.com/upenn-cis198-2018f/lecture7
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/upenn-cis198-2018f/lecture7" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupenn-cis198-2018f%2Flecture7", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupenn-cis198-2018f%2Flecture7'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80ae528176dbb3977613343c752420486c8dccd9
[INFO] testing upenn-cis198-2018f/lecture7 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupenn-cis198-2018f%2Flecture7" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/upenn-cis198-2018f/lecture7 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/upenn-cis198-2018f/lecture7
[INFO] finished tweaking git repo https://github.com/upenn-cis198-2018f/lecture7
[INFO] tweaked toml for git repo https://github.com/upenn-cis198-2018f/lecture7 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/upenn-cis198-2018f/lecture7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ba64ce85018386e8c5eca956cd0da35a39b114c2a61cceea60b5ce93402af5b
[INFO] running `Command { std: "docker" "start" "-a" "1ba64ce85018386e8c5eca956cd0da35a39b114c2a61cceea60b5ce93402af5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ba64ce85018386e8c5eca956cd0da35a39b114c2a61cceea60b5ce93402af5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba64ce85018386e8c5eca956cd0da35a39b114c2a61cceea60b5ce93402af5b", kill_on_drop: false }`
[INFO] [stdout] 1ba64ce85018386e8c5eca956cd0da35a39b114c2a61cceea60b5ce93402af5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ee7f6f754ffec05d31a34c78d9394742919357b557b336b118bd76c3367f387
[INFO] running `Command { std: "docker" "start" "-a" "5ee7f6f754ffec05d31a34c78d9394742919357b557b336b118bd76c3367f387", kill_on_drop: false }`
[INFO] [stderr]    Compiling lecture7 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "5ee7f6f754ffec05d31a34c78d9394742919357b557b336b118bd76c3367f387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee7f6f754ffec05d31a34c78d9394742919357b557b336b118bd76c3367f387", kill_on_drop: false }`
[INFO] [stdout] 5ee7f6f754ffec05d31a34c78d9394742919357b557b336b118bd76c3367f387
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af85cf5bb7e3f4a3140c26beec92ff1dd2a61e365b6115688c551e9496827986
[INFO] running `Command { std: "docker" "start" "-a" "af85cf5bb7e3f4a3140c26beec92ff1dd2a61e365b6115688c551e9496827986", kill_on_drop: false }`
[INFO] [stderr]    Compiling lecture7 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "af85cf5bb7e3f4a3140c26beec92ff1dd2a61e365b6115688c551e9496827986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af85cf5bb7e3f4a3140c26beec92ff1dd2a61e365b6115688c551e9496827986", kill_on_drop: false }`
[INFO] [stdout] af85cf5bb7e3f4a3140c26beec92ff1dd2a61e365b6115688c551e9496827986
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc6a518f15f23031db241d673f8c6e48771ea40903bd5dc980314fcf3e3b5de6
[INFO] running `Command { std: "docker" "start" "-a" "dc6a518f15f23031db241d673f8c6e48771ea40903bd5dc980314fcf3e3b5de6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lecture7-649b212d5497b00d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test closures::test_example_do_all_fixed ... ok
[INFO] [stdout] test closures::test_use_fn ... ok
[INFO] [stdout] test iterators::example_iter_explicit2 ... ok
[INFO] [stdout] test iterators::example_iter_mut ... ok
[INFO] [stdout] test iterators::test_all_below ... ok
[INFO] [stdout] test iterators::test_sum_squares_lt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc6a518f15f23031db241d673f8c6e48771ea40903bd5dc980314fcf3e3b5de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6a518f15f23031db241d673f8c6e48771ea40903bd5dc980314fcf3e3b5de6", kill_on_drop: false }`
[INFO] [stdout] dc6a518f15f23031db241d673f8c6e48771ea40903bd5dc980314fcf3e3b5de6