[INFO] cloning repository https://github.com/krishan147/rust_guessinggame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krishan147/rust_guessinggame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishan147%2Frust_guessinggame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishan147%2Frust_guessinggame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ec0d932eeddd2f1e560987a08970aad8fa855e2
[INFO] testing krishan147/rust_guessinggame against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishan147%2Frust_guessinggame" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krishan147/rust_guessinggame 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/krishan147/rust_guessinggame
[INFO] finished tweaking git repo https://github.com/krishan147/rust_guessinggame
[INFO] tweaked toml for git repo https://github.com/krishan147/rust_guessinggame written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/krishan147/rust_guessinggame 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] cba12788b473cf6946d8ca9411f0e1cc3070edca950b915a449ab1e2885f69d1
[INFO] running `Command { std: "docker" "start" "-a" "cba12788b473cf6946d8ca9411f0e1cc3070edca950b915a449ab1e2885f69d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba12788b473cf6946d8ca9411f0e1cc3070edca950b915a449ab1e2885f69d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba12788b473cf6946d8ca9411f0e1cc3070edca950b915a449ab1e2885f69d1", kill_on_drop: false }`
[INFO] [stdout] cba12788b473cf6946d8ca9411f0e1cc3070edca950b915a449ab1e2885f69d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 844e3d120758c50d4c8b95ed47344a04892a0982c1f913f8f880881f8118636b
[INFO] running `Command { std: "docker" "start" "-a" "844e3d120758c50d4c8b95ed47344a04892a0982c1f913f8f880881f8118636b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessinggame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `Command { std: "docker" "inspect" "844e3d120758c50d4c8b95ed47344a04892a0982c1f913f8f880881f8118636b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844e3d120758c50d4c8b95ed47344a04892a0982c1f913f8f880881f8118636b", kill_on_drop: false }`
[INFO] [stdout] 844e3d120758c50d4c8b95ed47344a04892a0982c1f913f8f880881f8118636b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4cd9289fb814e3f8c5a7b307e1b9c95cb158b0b520388f8ee77b91638736bb36
[INFO] running `Command { std: "docker" "start" "-a" "4cd9289fb814e3f8c5a7b307e1b9c95cb158b0b520388f8ee77b91638736bb36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guessinggame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "4cd9289fb814e3f8c5a7b307e1b9c95cb158b0b520388f8ee77b91638736bb36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd9289fb814e3f8c5a7b307e1b9c95cb158b0b520388f8ee77b91638736bb36", kill_on_drop: false }`
[INFO] [stdout] 4cd9289fb814e3f8c5a7b307e1b9c95cb158b0b520388f8ee77b91638736bb36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1c33aa8cac1f795f1912b877f7f7f44ba68abd6ce294b2c361ea594361f9abc7
[INFO] running `Command { std: "docker" "start" "-a" "1c33aa8cac1f795f1912b877f7f7f44ba68abd6ce294b2c361ea594361f9abc7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessinggame-8deb8bf3feec79b7)
[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" "1c33aa8cac1f795f1912b877f7f7f44ba68abd6ce294b2c361ea594361f9abc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c33aa8cac1f795f1912b877f7f7f44ba68abd6ce294b2c361ea594361f9abc7", kill_on_drop: false }`
[INFO] [stdout] 1c33aa8cac1f795f1912b877f7f7f44ba68abd6ce294b2c361ea594361f9abc7