[INFO] cloning repository https://github.com/Alex-6346/Exercism-tasks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alex-6346/Exercism-tasks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex-6346%2FExercism-tasks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex-6346%2FExercism-tasks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e8f7a1d4774cfe8233ac12d17b06242f20e6c16
[INFO] testing Alex-6346/Exercism-tasks against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex-6346%2FExercism-tasks" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alex-6346/Exercism-tasks on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Alex-6346/Exercism-tasks
[INFO] finished tweaking git repo https://github.com/Alex-6346/Exercism-tasks
[INFO] tweaked toml for git repo https://github.com/Alex-6346/Exercism-tasks written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Alex-6346/Exercism-tasks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e90746cbb1db9122a8d67bfbc15dea3bb786faeef9fa029f5a4ef8219b0ec3f
[INFO] running `Command { std: "docker" "start" "-a" "9e90746cbb1db9122a8d67bfbc15dea3bb786faeef9fa029f5a4ef8219b0ec3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e90746cbb1db9122a8d67bfbc15dea3bb786faeef9fa029f5a4ef8219b0ec3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e90746cbb1db9122a8d67bfbc15dea3bb786faeef9fa029f5a4ef8219b0ec3f", kill_on_drop: false }`
[INFO] [stdout] 9e90746cbb1db9122a8d67bfbc15dea3bb786faeef9fa029f5a4ef8219b0ec3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebcbed87413c878f966cd8a4b63a31bda96eb48f2e7236ded397ed6b61c35ebe
[INFO] running `Command { std: "docker" "start" "-a" "ebcbed87413c878f966cd8a4b63a31bda96eb48f2e7236ded397ed6b61c35ebe", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercism_tasks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "ebcbed87413c878f966cd8a4b63a31bda96eb48f2e7236ded397ed6b61c35ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebcbed87413c878f966cd8a4b63a31bda96eb48f2e7236ded397ed6b61c35ebe", kill_on_drop: false }`
[INFO] [stdout] ebcbed87413c878f966cd8a4b63a31bda96eb48f2e7236ded397ed6b61c35ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e9a4d6f20022cdd146c7220b4f893cb1a8cb8a32b33cbcfd2fadb096f587b23
[INFO] running `Command { std: "docker" "start" "-a" "1e9a4d6f20022cdd146c7220b4f893cb1a8cb8a32b33cbcfd2fadb096f587b23", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercism_tasks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "1e9a4d6f20022cdd146c7220b4f893cb1a8cb8a32b33cbcfd2fadb096f587b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9a4d6f20022cdd146c7220b4f893cb1a8cb8a32b33cbcfd2fadb096f587b23", kill_on_drop: false }`
[INFO] [stdout] 1e9a4d6f20022cdd146c7220b4f893cb1a8cb8a32b33cbcfd2fadb096f587b23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7998a81ce0f5b9884d91db1e936782d5ab3df69401b781f57c541561b91bd26c
[INFO] running `Command { std: "docker" "start" "-a" "7998a81ce0f5b9884d91db1e936782d5ab3df69401b781f57c541561b91bd26c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exercism_tasks-243ea3c15167bb62)
[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" "7998a81ce0f5b9884d91db1e936782d5ab3df69401b781f57c541561b91bd26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7998a81ce0f5b9884d91db1e936782d5ab3df69401b781f57c541561b91bd26c", kill_on_drop: false }`
[INFO] [stdout] 7998a81ce0f5b9884d91db1e936782d5ab3df69401b781f57c541561b91bd26c