[INFO] cloning repository https://github.com/seasox/cs3250-ex8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seasox/cs3250-ex8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseasox%2Fcs3250-ex8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseasox%2Fcs3250-ex8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] beea91fa046c8569ffd4b2ce760cf25f5b39e94d
[INFO] testing seasox/cs3250-ex8 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseasox%2Fcs3250-ex8" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seasox/cs3250-ex8 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seasox/cs3250-ex8
[INFO] finished tweaking git repo https://github.com/seasox/cs3250-ex8
[INFO] tweaked toml for git repo https://github.com/seasox/cs3250-ex8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/seasox/cs3250-ex8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecbc50c448e74fac671885bec6aedb368ab3e214d536b38bb0042d0512211cb5
[INFO] running `Command { std: "docker" "start" "-a" "ecbc50c448e74fac671885bec6aedb368ab3e214d536b38bb0042d0512211cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecbc50c448e74fac671885bec6aedb368ab3e214d536b38bb0042d0512211cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbc50c448e74fac671885bec6aedb368ab3e214d536b38bb0042d0512211cb5", kill_on_drop: false }`
[INFO] [stdout] ecbc50c448e74fac671885bec6aedb368ab3e214d536b38bb0042d0512211cb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1059103b89267a6f867cd50d55a40b0152239793b17c0fb26f2512242d021190
[INFO] running `Command { std: "docker" "start" "-a" "1059103b89267a6f867cd50d55a40b0152239793b17c0fb26f2512242d021190", kill_on_drop: false }`
[INFO] [stderr]    Compiling dscs-ex8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "1059103b89267a6f867cd50d55a40b0152239793b17c0fb26f2512242d021190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1059103b89267a6f867cd50d55a40b0152239793b17c0fb26f2512242d021190", kill_on_drop: false }`
[INFO] [stdout] 1059103b89267a6f867cd50d55a40b0152239793b17c0fb26f2512242d021190
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d03f51cf2cd364b511a854bc3e96337a5a92027d4b738efc21364f8098fdc65d
[INFO] running `Command { std: "docker" "start" "-a" "d03f51cf2cd364b511a854bc3e96337a5a92027d4b738efc21364f8098fdc65d", kill_on_drop: false }`
[INFO] [stderr]    Compiling dscs-ex8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "d03f51cf2cd364b511a854bc3e96337a5a92027d4b738efc21364f8098fdc65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03f51cf2cd364b511a854bc3e96337a5a92027d4b738efc21364f8098fdc65d", kill_on_drop: false }`
[INFO] [stdout] d03f51cf2cd364b511a854bc3e96337a5a92027d4b738efc21364f8098fdc65d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8731aba072082a4b44390020b2593f4f4a622a98e52a79c14bd36a71cedb69a
[INFO] running `Command { std: "docker" "start" "-a" "f8731aba072082a4b44390020b2593f4f4a622a98e52a79c14bd36a71cedb69a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dscs_ex8-7aa435dbe6ba080a)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test ex8_non_recursive::tests::empty_tree ... ok
[INFO] [stdout] test ex8_non_recursive::tests::insert ... ok
[INFO] [stdout] test ex8_non_recursive::tests::insert_override ... ok
[INFO] [stdout] test ex8_recursive::tests::empty_tree ... ok
[INFO] [stdout] test ex8_non_recursive::tests::lookup ... ok
[INFO] [stdout] test ex8_recursive::tests::insert ... ok
[INFO] [stdout] test ex8_recursive::tests::insert_override ... ok
[INFO] [stdout] test ex8_recursive::tests::lookup ... ok
[INFO] [stdout] test ex8_recursive::tests::size ... ok
[INFO] [stdout] test ex8_non_recursive::tests::large_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.98s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dscs-ex8
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f8731aba072082a4b44390020b2593f4f4a622a98e52a79c14bd36a71cedb69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8731aba072082a4b44390020b2593f4f4a622a98e52a79c14bd36a71cedb69a", kill_on_drop: false }`
[INFO] [stdout] f8731aba072082a4b44390020b2593f4f4a622a98e52a79c14bd36a71cedb69a