[INFO] cloning repository https://github.com/developer-arjunnair/guessing-game-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/developer-arjunnair/guessing-game-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeveloper-arjunnair%2Fguessing-game-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeveloper-arjunnair%2Fguessing-game-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a49ad06e1a98fe2be7cf2cafefecae0cdb19bf7b
[INFO] testing developer-arjunnair/guessing-game-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeveloper-arjunnair%2Fguessing-game-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/developer-arjunnair/guessing-game-rust 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/developer-arjunnair/guessing-game-rust
[INFO] finished tweaking git repo https://github.com/developer-arjunnair/guessing-game-rust
[INFO] tweaked toml for git repo https://github.com/developer-arjunnair/guessing-game-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/developer-arjunnair/guessing-game-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 88d98366b897c7f09045a427b38376750e3fc48cdf088f543696864a629a9f05
[INFO] running `Command { std: "docker" "start" "-a" "88d98366b897c7f09045a427b38376750e3fc48cdf088f543696864a629a9f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88d98366b897c7f09045a427b38376750e3fc48cdf088f543696864a629a9f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d98366b897c7f09045a427b38376750e3fc48cdf088f543696864a629a9f05", kill_on_drop: false }`
[INFO] [stdout] 88d98366b897c7f09045a427b38376750e3fc48cdf088f543696864a629a9f05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9138888da36cd889b49034bfb28d3e9ac29ecc53a9db33b7c5074526ffbeae5f
[INFO] running `Command { std: "docker" "start" "-a" "9138888da36cd889b49034bfb28d3e9ac29ecc53a9db33b7c5074526ffbeae5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "9138888da36cd889b49034bfb28d3e9ac29ecc53a9db33b7c5074526ffbeae5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9138888da36cd889b49034bfb28d3e9ac29ecc53a9db33b7c5074526ffbeae5f", kill_on_drop: false }`
[INFO] [stdout] 9138888da36cd889b49034bfb28d3e9ac29ecc53a9db33b7c5074526ffbeae5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0751ca7c83e621bd1d9d19f7e71617d74679c345ac3f6b1c276e1b6743c9dd9a
[INFO] running `Command { std: "docker" "start" "-a" "0751ca7c83e621bd1d9d19f7e71617d74679c345ac3f6b1c276e1b6743c9dd9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "0751ca7c83e621bd1d9d19f7e71617d74679c345ac3f6b1c276e1b6743c9dd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0751ca7c83e621bd1d9d19f7e71617d74679c345ac3f6b1c276e1b6743c9dd9a", kill_on_drop: false }`
[INFO] [stdout] 0751ca7c83e621bd1d9d19f7e71617d74679c345ac3f6b1c276e1b6743c9dd9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1a38c8d89d092b8c65dbe0d3bf53be017467e24b45c17643d2a5552ed32960f1
[INFO] running `Command { std: "docker" "start" "-a" "1a38c8d89d092b8c65dbe0d3bf53be017467e24b45c17643d2a5552ed32960f1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-a5ebb271fc15f774)
[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" "1a38c8d89d092b8c65dbe0d3bf53be017467e24b45c17643d2a5552ed32960f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a38c8d89d092b8c65dbe0d3bf53be017467e24b45c17643d2a5552ed32960f1", kill_on_drop: false }`
[INFO] [stdout] 1a38c8d89d092b8c65dbe0d3bf53be017467e24b45c17643d2a5552ed32960f1