[INFO] cloning repository https://github.com/Hiso-junichi2/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/Hiso-junichi2/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiso-junichi2%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiso-junichi2%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3546ade817d931df677759a979b9c07b4005632b
[INFO] testing Hiso-junichi2/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%2FHiso-junichi2%2Fguessing_game" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hiso-junichi2/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/Hiso-junichi2/guessing_game
[INFO] finished tweaking git repo https://github.com/Hiso-junichi2/guessing_game
[INFO] tweaked toml for git repo https://github.com/Hiso-junichi2/guessing_game written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/Hiso-junichi2/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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 7333751a636514f691a1c3e7527f5b08c6fc85c980cf1a8ca99447101d630b0d
[INFO] running `Command { std: "docker" "start" "-a" "7333751a636514f691a1c3e7527f5b08c6fc85c980cf1a8ca99447101d630b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7333751a636514f691a1c3e7527f5b08c6fc85c980cf1a8ca99447101d630b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7333751a636514f691a1c3e7527f5b08c6fc85c980cf1a8ca99447101d630b0d", kill_on_drop: false }`
[INFO] [stdout] 7333751a636514f691a1c3e7527f5b08c6fc85c980cf1a8ca99447101d630b0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] ca24346b5f5e3b990d60d96860fd0d42e8e32c11e04c8076a855f13bff5996b1
[INFO] running `Command { std: "docker" "start" "-a" "ca24346b5f5e3b990d60d96860fd0d42e8e32c11e04c8076a855f13bff5996b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.3.19
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "ca24346b5f5e3b990d60d96860fd0d42e8e32c11e04c8076a855f13bff5996b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca24346b5f5e3b990d60d96860fd0d42e8e32c11e04c8076a855f13bff5996b1", kill_on_drop: false }`
[INFO] [stdout] ca24346b5f5e3b990d60d96860fd0d42e8e32c11e04c8076a855f13bff5996b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 136a3985e9e1fde49175022aa44a18702b71c6f479cb75427a1e0a9e26ebcdfe
[INFO] running `Command { std: "docker" "start" "-a" "136a3985e9e1fde49175022aa44a18702b71c6f479cb75427a1e0a9e26ebcdfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "136a3985e9e1fde49175022aa44a18702b71c6f479cb75427a1e0a9e26ebcdfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136a3985e9e1fde49175022aa44a18702b71c6f479cb75427a1e0a9e26ebcdfe", kill_on_drop: false }`
[INFO] [stdout] 136a3985e9e1fde49175022aa44a18702b71c6f479cb75427a1e0a9e26ebcdfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] d201f73f5581a591c44a2b631ca26d5d746598805fc3c453b2d19a25bc7b3656
[INFO] running `Command { std: "docker" "start" "-a" "d201f73f5581a591c44a2b631ca26d5d746598805fc3c453b2d19a25bc7b3656", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-fd44c376d1b53776)
[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" "d201f73f5581a591c44a2b631ca26d5d746598805fc3c453b2d19a25bc7b3656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d201f73f5581a591c44a2b631ca26d5d746598805fc3c453b2d19a25bc7b3656", kill_on_drop: false }`
[INFO] [stdout] d201f73f5581a591c44a2b631ca26d5d746598805fc3c453b2d19a25bc7b3656