[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 beta-2021-09-08 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-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/developer-arjunnair/guessing-game-rust 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/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-12/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" "+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] 60411824f6ca0b9392f628e520a16223cad6c05bdbd780e19765509c04f8d501
[INFO] running `Command { std: "docker" "start" "-a" "60411824f6ca0b9392f628e520a16223cad6c05bdbd780e19765509c04f8d501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60411824f6ca0b9392f628e520a16223cad6c05bdbd780e19765509c04f8d501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60411824f6ca0b9392f628e520a16223cad6c05bdbd780e19765509c04f8d501", kill_on_drop: false }`
[INFO] [stdout] 60411824f6ca0b9392f628e520a16223cad6c05bdbd780e19765509c04f8d501
[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] [stdout] 5943de353ec49eb8fa9e2ace6973004c82ed98420588cc6fb4436da356801118
[INFO] running `Command { std: "docker" "start" "-a" "5943de353ec49eb8fa9e2ace6973004c82ed98420588cc6fb4436da356801118", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[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 5.29s
[INFO] running `Command { std: "docker" "inspect" "5943de353ec49eb8fa9e2ace6973004c82ed98420588cc6fb4436da356801118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5943de353ec49eb8fa9e2ace6973004c82ed98420588cc6fb4436da356801118", kill_on_drop: false }`
[INFO] [stdout] 5943de353ec49eb8fa9e2ace6973004c82ed98420588cc6fb4436da356801118
[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] a2b66fd67742e6155008ea606360f886e6604202c00418250249cc552ab5fba9
[INFO] running `Command { std: "docker" "start" "-a" "a2b66fd67742e6155008ea606360f886e6604202c00418250249cc552ab5fba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "a2b66fd67742e6155008ea606360f886e6604202c00418250249cc552ab5fba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b66fd67742e6155008ea606360f886e6604202c00418250249cc552ab5fba9", kill_on_drop: false }`
[INFO] [stdout] a2b66fd67742e6155008ea606360f886e6604202c00418250249cc552ab5fba9
[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] c72b40811b8f5607a3c85a72f4b268734127d588d53606e5a743a666f7cda5da
[INFO] running `Command { std: "docker" "start" "-a" "c72b40811b8f5607a3c85a72f4b268734127d588d53606e5a743a666f7cda5da", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-b2f32145e1eb15ab)
[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" "c72b40811b8f5607a3c85a72f4b268734127d588d53606e5a743a666f7cda5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72b40811b8f5607a3c85a72f4b268734127d588d53606e5a743a666f7cda5da", kill_on_drop: false }`
[INFO] [stdout] c72b40811b8f5607a3c85a72f4b268734127d588d53606e5a743a666f7cda5da