[INFO] cloning repository https://github.com/ShotaKiko/Rust-Practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShotaKiko/Rust-Practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShotaKiko%2FRust-Practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShotaKiko%2FRust-Practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 101018f83103795a3e7460344434c1ebd5aaced2
[INFO] testing ShotaKiko/Rust-Practice against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShotaKiko%2FRust-Practice" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShotaKiko/Rust-Practice 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/ShotaKiko/Rust-Practice
[INFO] finished tweaking git repo https://github.com/ShotaKiko/Rust-Practice
[INFO] tweaked toml for git repo https://github.com/ShotaKiko/Rust-Practice written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/ShotaKiko/Rust-Practice 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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 177cd52b89c18a83b028b3b48f2d285d11e3b2542bf5b6e30c9b4d1129560d2c
[INFO] running `Command { std: "docker" "start" "-a" "177cd52b89c18a83b028b3b48f2d285d11e3b2542bf5b6e30c9b4d1129560d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "177cd52b89c18a83b028b3b48f2d285d11e3b2542bf5b6e30c9b4d1129560d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177cd52b89c18a83b028b3b48f2d285d11e3b2542bf5b6e30c9b4d1129560d2c", kill_on_drop: false }`
[INFO] [stdout] 177cd52b89c18a83b028b3b48f2d285d11e3b2542bf5b6e30c9b4d1129560d2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 552993d327e705f0a113510edfd66d177dd4ef3dce04003b1371f41a0a61f8b1
[INFO] running `Command { std: "docker" "start" "-a" "552993d327e705f0a113510edfd66d177dd4ef3dce04003b1371f41a0a61f8b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rust-guessing-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "552993d327e705f0a113510edfd66d177dd4ef3dce04003b1371f41a0a61f8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552993d327e705f0a113510edfd66d177dd4ef3dce04003b1371f41a0a61f8b1", kill_on_drop: false }`
[INFO] [stdout] 552993d327e705f0a113510edfd66d177dd4ef3dce04003b1371f41a0a61f8b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 33b4346de397aeb0eff7b3ab72fb3c6fde7867be6e1b5285e8961176774a8dbe
[INFO] running `Command { std: "docker" "start" "-a" "33b4346de397aeb0eff7b3ab72fb3c6fde7867be6e1b5285e8961176774a8dbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-guessing-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "33b4346de397aeb0eff7b3ab72fb3c6fde7867be6e1b5285e8961176774a8dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b4346de397aeb0eff7b3ab72fb3c6fde7867be6e1b5285e8961176774a8dbe", kill_on_drop: false }`
[INFO] [stdout] 33b4346de397aeb0eff7b3ab72fb3c6fde7867be6e1b5285e8961176774a8dbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] f32b6c0ec99294f9db12274a62db702095ec30b9fb2264897ed36908ac5f8e26
[INFO] running `Command { std: "docker" "start" "-a" "f32b6c0ec99294f9db12274a62db702095ec30b9fb2264897ed36908ac5f8e26", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_guessing_game-21365a5dc23f851a)
[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" "f32b6c0ec99294f9db12274a62db702095ec30b9fb2264897ed36908ac5f8e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32b6c0ec99294f9db12274a62db702095ec30b9fb2264897ed36908ac5f8e26", kill_on_drop: false }`
[INFO] [stdout] f32b6c0ec99294f9db12274a62db702095ec30b9fb2264897ed36908ac5f8e26