[INFO] cloning repository https://github.com/triptych/rust_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/triptych/rust_guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriptych%2Frust_guessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriptych%2Frust_guessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e11bd83899cb00fdec919e5c2a132f48da65fc2e
[INFO] testing triptych/rust_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%2Ftriptych%2Frust_guessing_game" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/triptych/rust_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/triptych/rust_guessing_game
[INFO] finished tweaking git repo https://github.com/triptych/rust_guessing_game
[INFO] tweaked toml for git repo https://github.com/triptych/rust_guessing_game written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/triptych/rust_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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6b64193e1fba2282a6587a085b21a2abdcd3ea5fed7e3e08713273ee6a9da9c2
[INFO] running `Command { std: "docker" "start" "-a" "6b64193e1fba2282a6587a085b21a2abdcd3ea5fed7e3e08713273ee6a9da9c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b64193e1fba2282a6587a085b21a2abdcd3ea5fed7e3e08713273ee6a9da9c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b64193e1fba2282a6587a085b21a2abdcd3ea5fed7e3e08713273ee6a9da9c2", kill_on_drop: false }`
[INFO] [stdout] 6b64193e1fba2282a6587a085b21a2abdcd3ea5fed7e3e08713273ee6a9da9c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4123e91e40d2547cac13f4f896ddca73122def2ba164cc056c007951f41d10fd
[INFO] running `Command { std: "docker" "start" "-a" "4123e91e40d2547cac13f4f896ddca73122def2ba164cc056c007951f41d10fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "4123e91e40d2547cac13f4f896ddca73122def2ba164cc056c007951f41d10fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4123e91e40d2547cac13f4f896ddca73122def2ba164cc056c007951f41d10fd", kill_on_drop: false }`
[INFO] [stdout] 4123e91e40d2547cac13f4f896ddca73122def2ba164cc056c007951f41d10fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f0f5c73fc241ddacb508ff4d0e8459efa7fa2c4bf0dc74e04fe9d3d00f7ab691
[INFO] running `Command { std: "docker" "start" "-a" "f0f5c73fc241ddacb508ff4d0e8459efa7fa2c4bf0dc74e04fe9d3d00f7ab691", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "f0f5c73fc241ddacb508ff4d0e8459efa7fa2c4bf0dc74e04fe9d3d00f7ab691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f5c73fc241ddacb508ff4d0e8459efa7fa2c4bf0dc74e04fe9d3d00f7ab691", kill_on_drop: false }`
[INFO] [stdout] f0f5c73fc241ddacb508ff4d0e8459efa7fa2c4bf0dc74e04fe9d3d00f7ab691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 25c7b47f61c1128174d0ca3ba951cf8ee6d70e0b5b6b0072f2fb4b001279550b
[INFO] running `Command { std: "docker" "start" "-a" "25c7b47f61c1128174d0ca3ba951cf8ee6d70e0b5b6b0072f2fb4b001279550b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-9ea7465ceecbb7bf)
[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" "25c7b47f61c1128174d0ca3ba951cf8ee6d70e0b5b6b0072f2fb4b001279550b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c7b47f61c1128174d0ca3ba951cf8ee6d70e0b5b6b0072f2fb4b001279550b", kill_on_drop: false }`
[INFO] [stdout] 25c7b47f61c1128174d0ca3ba951cf8ee6d70e0b5b6b0072f2fb4b001279550b