[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-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseasox%2Fcs3250-ex8" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seasox/cs3250-ex8 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/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-12/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-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7aa87ee552c532bc2659c70e18b1b27127c1d64cccc1a590526dcab6fcc803b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7aa87ee552c532bc2659c70e18b1b27127c1d64cccc1a590526dcab6fcc803b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aa87ee552c532bc2659c70e18b1b27127c1d64cccc1a590526dcab6fcc803b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa87ee552c532bc2659c70e18b1b27127c1d64cccc1a590526dcab6fcc803b4", kill_on_drop: false }`
[INFO] [stdout] 7aa87ee552c532bc2659c70e18b1b27127c1d64cccc1a590526dcab6fcc803b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63ad48db0d8b03579cb4600f4274ab2ea35b6c425163e7af1396432d2cc80a98
[INFO] running `Command { std: "docker" "start" "-a" "63ad48db0d8b03579cb4600f4274ab2ea35b6c425163e7af1396432d2cc80a98", kill_on_drop: false }`
[INFO] [stderr]    Compiling dscs-ex8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "63ad48db0d8b03579cb4600f4274ab2ea35b6c425163e7af1396432d2cc80a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ad48db0d8b03579cb4600f4274ab2ea35b6c425163e7af1396432d2cc80a98", kill_on_drop: false }`
[INFO] [stdout] 63ad48db0d8b03579cb4600f4274ab2ea35b6c425163e7af1396432d2cc80a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 03b19dae4400e2ea6d202ff13b1b0db29268676ddb29039fa26cefdadebfc897
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "03b19dae4400e2ea6d202ff13b1b0db29268676ddb29039fa26cefdadebfc897", kill_on_drop: false }`
[INFO] [stderr]    Compiling dscs-ex8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "03b19dae4400e2ea6d202ff13b1b0db29268676ddb29039fa26cefdadebfc897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b19dae4400e2ea6d202ff13b1b0db29268676ddb29039fa26cefdadebfc897", kill_on_drop: false }`
[INFO] [stdout] 03b19dae4400e2ea6d202ff13b1b0db29268676ddb29039fa26cefdadebfc897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c4d391bc3c8945ebd5387543a074f113e48d47b286b94ab005e87404360b97b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c4d391bc3c8945ebd5387543a074f113e48d47b286b94ab005e87404360b97b7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dscs_ex8-7aa435dbe6ba080a)
[INFO] [stdout] running 10 tests
[INFO] [stdout] test ex8_non_recursive::tests::insert ... ok
[INFO] [stdout] test ex8_recursive::tests::insert_override ... ok
[INFO] [stdout] test ex8_recursive::tests::empty_tree ... ok
[INFO] [stdout] test ex8_recursive::tests::lookup ... ok
[INFO] [stdout] test ex8_non_recursive::tests::lookup ... ok
[INFO] [stdout] test ex8_recursive::tests::size ... ok
[INFO] [stdout] test ex8_non_recursive::tests::empty_tree ... ok
[INFO] [stdout] test ex8_non_recursive::tests::insert_override ... ok
[INFO] [stdout] test ex8_recursive::tests::insert ... 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 6.21s
[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" "c4d391bc3c8945ebd5387543a074f113e48d47b286b94ab005e87404360b97b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d391bc3c8945ebd5387543a074f113e48d47b286b94ab005e87404360b97b7", kill_on_drop: false }`
[INFO] [stdout] c4d391bc3c8945ebd5387543a074f113e48d47b286b94ab005e87404360b97b7