[INFO] cloning repository https://github.com/happysathya/rust-random-guess-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/happysathya/rust-random-guess-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappysathya%2Frust-random-guess-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappysathya%2Frust-random-guess-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a407a0c517beea91028a923006553cfee662e7a6
[INFO] testing happysathya/rust-random-guess-game against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappysathya%2Frust-random-guess-game" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/happysathya/rust-random-guess-game 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/happysathya/rust-random-guess-game
[INFO] finished tweaking git repo https://github.com/happysathya/rust-random-guess-game
[INFO] tweaked toml for git repo https://github.com/happysathya/rust-random-guess-game written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/happysathya/rust-random-guess-game 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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] a110a0d139e1e07262b482daefad2e69fade1555f7b2163f2a91637d9faec8d0
[INFO] running `Command { std: "docker" "start" "-a" "a110a0d139e1e07262b482daefad2e69fade1555f7b2163f2a91637d9faec8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a110a0d139e1e07262b482daefad2e69fade1555f7b2163f2a91637d9faec8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a110a0d139e1e07262b482daefad2e69fade1555f7b2163f2a91637d9faec8d0", kill_on_drop: false }`
[INFO] [stdout] a110a0d139e1e07262b482daefad2e69fade1555f7b2163f2a91637d9faec8d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 93067c1c537c46d3a4c9dd65a6ec592b739aa7c22feb6b06d43e32277a44aa33
[INFO] running `Command { std: "docker" "start" "-a" "93067c1c537c46d3a4c9dd65a6ec592b739aa7c22feb6b06d43e32277a44aa33", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling rust-random-guess-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "93067c1c537c46d3a4c9dd65a6ec592b739aa7c22feb6b06d43e32277a44aa33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93067c1c537c46d3a4c9dd65a6ec592b739aa7c22feb6b06d43e32277a44aa33", kill_on_drop: false }`
[INFO] [stdout] 93067c1c537c46d3a4c9dd65a6ec592b739aa7c22feb6b06d43e32277a44aa33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d316dfbfad87261b36d549726516b49f77fb5437e6f24bb783d3279fc27ce2f1
[INFO] running `Command { std: "docker" "start" "-a" "d316dfbfad87261b36d549726516b49f77fb5437e6f24bb783d3279fc27ce2f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-random-guess-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "d316dfbfad87261b36d549726516b49f77fb5437e6f24bb783d3279fc27ce2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d316dfbfad87261b36d549726516b49f77fb5437e6f24bb783d3279fc27ce2f1", kill_on_drop: false }`
[INFO] [stdout] d316dfbfad87261b36d549726516b49f77fb5437e6f24bb783d3279fc27ce2f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] ddff9ce9e8ba2f436b4726c8dae26ed93cdcda2010d70c5ec1be8bb18a0e5c5a
[INFO] running `Command { std: "docker" "start" "-a" "ddff9ce9e8ba2f436b4726c8dae26ed93cdcda2010d70c5ec1be8bb18a0e5c5a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_random_guess_game-a1cce676b091746e)
[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" "ddff9ce9e8ba2f436b4726c8dae26ed93cdcda2010d70c5ec1be8bb18a0e5c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddff9ce9e8ba2f436b4726c8dae26ed93cdcda2010d70c5ec1be8bb18a0e5c5a", kill_on_drop: false }`
[INFO] [stdout] ddff9ce9e8ba2f436b4726c8dae26ed93cdcda2010d70c5ec1be8bb18a0e5c5a