[INFO] cloning repository https://github.com/cystark/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/cystark/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcystark%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcystark%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 412d130995f5459111f7288f51e97a0786974cf2
[INFO] testing cystark/guessing_game against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcystark%2Fguessing_game" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cystark/guessing_game on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cystark/guessing_game
[INFO] finished tweaking git repo https://github.com/cystark/guessing_game
[INFO] tweaked toml for git repo https://github.com/cystark/guessing_game written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cystark/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 543b2ed5ab9184c8fd2648dd889cd8f4690ff6677cb3006f4842b52d5b14d2e0
[INFO] running `Command { std: "docker" "start" "-a" "543b2ed5ab9184c8fd2648dd889cd8f4690ff6677cb3006f4842b52d5b14d2e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "543b2ed5ab9184c8fd2648dd889cd8f4690ff6677cb3006f4842b52d5b14d2e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543b2ed5ab9184c8fd2648dd889cd8f4690ff6677cb3006f4842b52d5b14d2e0", kill_on_drop: false }`
[INFO] [stdout] 543b2ed5ab9184c8fd2648dd889cd8f4690ff6677cb3006f4842b52d5b14d2e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c746793c5352dd9e9b931c3eb8365e6bfdc9bcdbe283593df77fc1ce53e3c0
[INFO] running `Command { std: "docker" "start" "-a" "87c746793c5352dd9e9b931c3eb8365e6bfdc9bcdbe283593df77fc1ce53e3c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[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" "87c746793c5352dd9e9b931c3eb8365e6bfdc9bcdbe283593df77fc1ce53e3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c746793c5352dd9e9b931c3eb8365e6bfdc9bcdbe283593df77fc1ce53e3c0", kill_on_drop: false }`
[INFO] [stdout] 87c746793c5352dd9e9b931c3eb8365e6bfdc9bcdbe283593df77fc1ce53e3c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d75ed4cd6b04f808927abd9b80528a2c71ded968734337a5ee3a85cd72c28f63
[INFO] running `Command { std: "docker" "start" "-a" "d75ed4cd6b04f808927abd9b80528a2c71ded968734337a5ee3a85cd72c28f63", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "d75ed4cd6b04f808927abd9b80528a2c71ded968734337a5ee3a85cd72c28f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75ed4cd6b04f808927abd9b80528a2c71ded968734337a5ee3a85cd72c28f63", kill_on_drop: false }`
[INFO] [stdout] d75ed4cd6b04f808927abd9b80528a2c71ded968734337a5ee3a85cd72c28f63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f80f999403012206533517d75a6194a3e7d4b469d3d49ce700426b1c46823ce4
[INFO] running `Command { std: "docker" "start" "-a" "f80f999403012206533517d75a6194a3e7d4b469d3d49ce700426b1c46823ce4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-de441afe2b01390d)
[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" "f80f999403012206533517d75a6194a3e7d4b469d3d49ce700426b1c46823ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80f999403012206533517d75a6194a3e7d4b469d3d49ce700426b1c46823ce4", kill_on_drop: false }`
[INFO] [stdout] f80f999403012206533517d75a6194a3e7d4b469d3d49ce700426b1c46823ce4