[INFO] cloning repository https://github.com/Fiddle-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/Fiddle-Rust/guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFiddle-Rust%2Fguessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFiddle-Rust%2Fguessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d35b19528d3cc351c24e663df4b0840f7a399d31
[INFO] testing Fiddle-Rust/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%2FFiddle-Rust%2Fguessing-game" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fiddle-Rust/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/Fiddle-Rust/guessing-game
[INFO] finished tweaking git repo https://github.com/Fiddle-Rust/guessing-game
[INFO] tweaked toml for git repo https://github.com/Fiddle-Rust/guessing-game written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Fiddle-Rust/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 13f5a69bcc98f47b20e1190475cf82117f242c3b321a7010766635a586720cb6
[INFO] running `Command { std: "docker" "start" "-a" "13f5a69bcc98f47b20e1190475cf82117f242c3b321a7010766635a586720cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13f5a69bcc98f47b20e1190475cf82117f242c3b321a7010766635a586720cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f5a69bcc98f47b20e1190475cf82117f242c3b321a7010766635a586720cb6", kill_on_drop: false }`
[INFO] [stdout] 13f5a69bcc98f47b20e1190475cf82117f242c3b321a7010766635a586720cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9c22964cbb80fdf778c9bdff7232c95d713e152d996524b53a69fbc174644eba
[INFO] running `Command { std: "docker" "start" "-a" "9c22964cbb80fdf778c9bdff7232c95d713e152d996524b53a69fbc174644eba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.07s
[INFO] running `Command { std: "docker" "inspect" "9c22964cbb80fdf778c9bdff7232c95d713e152d996524b53a69fbc174644eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c22964cbb80fdf778c9bdff7232c95d713e152d996524b53a69fbc174644eba", kill_on_drop: false }`
[INFO] [stdout] 9c22964cbb80fdf778c9bdff7232c95d713e152d996524b53a69fbc174644eba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] bf01ff567bdcb9d480fcfab3533e2490a23c7312d105c36176d786854d7262d4
[INFO] running `Command { std: "docker" "start" "-a" "bf01ff567bdcb9d480fcfab3533e2490a23c7312d105c36176d786854d7262d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "bf01ff567bdcb9d480fcfab3533e2490a23c7312d105c36176d786854d7262d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf01ff567bdcb9d480fcfab3533e2490a23c7312d105c36176d786854d7262d4", kill_on_drop: false }`
[INFO] [stdout] bf01ff567bdcb9d480fcfab3533e2490a23c7312d105c36176d786854d7262d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 98b620fa92e19ea2bdb3d81d497295a4f55364f1019f374be32164e872e6605d
[INFO] running `Command { std: "docker" "start" "-a" "98b620fa92e19ea2bdb3d81d497295a4f55364f1019f374be32164e872e6605d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-41b2ddba05fe2f07)
[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" "98b620fa92e19ea2bdb3d81d497295a4f55364f1019f374be32164e872e6605d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b620fa92e19ea2bdb3d81d497295a4f55364f1019f374be32164e872e6605d", kill_on_drop: false }`
[INFO] [stdout] 98b620fa92e19ea2bdb3d81d497295a4f55364f1019f374be32164e872e6605d