[INFO] cloning repository https://github.com/cybercharge/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cybercharge/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcybercharge%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcybercharge%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65597c703f0fe187c8b0f5f426c8b70d76e64c93
[INFO] testing cybercharge/guessing_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%2Fcybercharge%2Fguessing_game" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cybercharge/guessing_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/cybercharge/guessing_game
[INFO] finished tweaking git repo https://github.com/cybercharge/guessing_game
[INFO] tweaked toml for git repo https://github.com/cybercharge/guessing_game written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/cybercharge/guessing_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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 6d0be3e7b38603d49a138fe02622a346a9ab49e03eca2b82934d6f67f2a0a45f
[INFO] running `Command { std: "docker" "start" "-a" "6d0be3e7b38603d49a138fe02622a346a9ab49e03eca2b82934d6f67f2a0a45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d0be3e7b38603d49a138fe02622a346a9ab49e03eca2b82934d6f67f2a0a45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0be3e7b38603d49a138fe02622a346a9ab49e03eca2b82934d6f67f2a0a45f", kill_on_drop: false }`
[INFO] [stdout] 6d0be3e7b38603d49a138fe02622a346a9ab49e03eca2b82934d6f67f2a0a45f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 42c74f01766793809486ad7d80ac86973bd6f7ee1bb29ceb7efa3e9fbd39f849
[INFO] running `Command { std: "docker" "start" "-a" "42c74f01766793809486ad7d80ac86973bd6f7ee1bb29ceb7efa3e9fbd39f849", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "42c74f01766793809486ad7d80ac86973bd6f7ee1bb29ceb7efa3e9fbd39f849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c74f01766793809486ad7d80ac86973bd6f7ee1bb29ceb7efa3e9fbd39f849", kill_on_drop: false }`
[INFO] [stdout] 42c74f01766793809486ad7d80ac86973bd6f7ee1bb29ceb7efa3e9fbd39f849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 9072e628b0c239da6a309e0d73275110fa48ceec6fc245bfa2f9a9ef76b9dbcb
[INFO] running `Command { std: "docker" "start" "-a" "9072e628b0c239da6a309e0d73275110fa48ceec6fc245bfa2f9a9ef76b9dbcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "9072e628b0c239da6a309e0d73275110fa48ceec6fc245bfa2f9a9ef76b9dbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9072e628b0c239da6a309e0d73275110fa48ceec6fc245bfa2f9a9ef76b9dbcb", kill_on_drop: false }`
[INFO] [stdout] 9072e628b0c239da6a309e0d73275110fa48ceec6fc245bfa2f9a9ef76b9dbcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 39d58777b2f455e80fedee01d17ced9874f01b0e03108968fa3a1ba364d85d30
[INFO] running `Command { std: "docker" "start" "-a" "39d58777b2f455e80fedee01d17ced9874f01b0e03108968fa3a1ba364d85d30", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-3faeeac6c0aa0023)
[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" "39d58777b2f455e80fedee01d17ced9874f01b0e03108968fa3a1ba364d85d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d58777b2f455e80fedee01d17ced9874f01b0e03108968fa3a1ba364d85d30", kill_on_drop: false }`
[INFO] [stdout] 39d58777b2f455e80fedee01d17ced9874f01b0e03108968fa3a1ba364d85d30