[INFO] cloning repository https://github.com/JKBTumpalan/cmsc124-rust01
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JKBTumpalan/cmsc124-rust01" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJKBTumpalan%2Fcmsc124-rust01", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJKBTumpalan%2Fcmsc124-rust01'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a315d3eab3ef8811b99759cd980425ba22eeb8a
[INFO] testing JKBTumpalan/cmsc124-rust01 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%2FJKBTumpalan%2Fcmsc124-rust01" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JKBTumpalan/cmsc124-rust01 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/JKBTumpalan/cmsc124-rust01
[INFO] finished tweaking git repo https://github.com/JKBTumpalan/cmsc124-rust01
[INFO] tweaked toml for git repo https://github.com/JKBTumpalan/cmsc124-rust01 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/JKBTumpalan/cmsc124-rust01 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11890e52c918469ed1120b4e1e6eab7b7b874e850c90fa224fc90c85fb025c81
[INFO] running `Command { std: "docker" "start" "-a" "11890e52c918469ed1120b4e1e6eab7b7b874e850c90fa224fc90c85fb025c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11890e52c918469ed1120b4e1e6eab7b7b874e850c90fa224fc90c85fb025c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11890e52c918469ed1120b4e1e6eab7b7b874e850c90fa224fc90c85fb025c81", kill_on_drop: false }`
[INFO] [stdout] 11890e52c918469ed1120b4e1e6eab7b7b874e850c90fa224fc90c85fb025c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 083171f9b77ba2f05ba116fe150efe998cf475cc396d2e68ae3fd1961c1cfaa6
[INFO] running `Command { std: "docker" "start" "-a" "083171f9b77ba2f05ba116fe150efe998cf475cc396d2e68ae3fd1961c1cfaa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tumpalan_rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "083171f9b77ba2f05ba116fe150efe998cf475cc396d2e68ae3fd1961c1cfaa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083171f9b77ba2f05ba116fe150efe998cf475cc396d2e68ae3fd1961c1cfaa6", kill_on_drop: false }`
[INFO] [stdout] 083171f9b77ba2f05ba116fe150efe998cf475cc396d2e68ae3fd1961c1cfaa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b6cc547dc9fae191a46972a4312b43d792264b0d7d34cabeb520f64c26d393c4
[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" "b6cc547dc9fae191a46972a4312b43d792264b0d7d34cabeb520f64c26d393c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling tumpalan_rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "b6cc547dc9fae191a46972a4312b43d792264b0d7d34cabeb520f64c26d393c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6cc547dc9fae191a46972a4312b43d792264b0d7d34cabeb520f64c26d393c4", kill_on_drop: false }`
[INFO] [stdout] b6cc547dc9fae191a46972a4312b43d792264b0d7d34cabeb520f64c26d393c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0d3692c224a24cdae2928b2b53e93e1a3a551f30ef302386c4d3527fdf8e67b7
[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" "0d3692c224a24cdae2928b2b53e93e1a3a551f30ef302386c4d3527fdf8e67b7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tumpalan_rust_exercise-18d6c8a575f953e3)
[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" "0d3692c224a24cdae2928b2b53e93e1a3a551f30ef302386c4d3527fdf8e67b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3692c224a24cdae2928b2b53e93e1a3a551f30ef302386c4d3527fdf8e67b7", kill_on_drop: false }`
[INFO] [stdout] 0d3692c224a24cdae2928b2b53e93e1a3a551f30ef302386c4d3527fdf8e67b7