[INFO] cloning repository MuhammadAliKhan1/guessing-game-rust
[INFO] running `"git" "clone" "--bare" "git://github.com/MuhammadAliKhan1/guessing-game-rust.git" "work/cache/sources/gh/MuhammadAliKhan1/guessing-game-rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/MuhammadAliKhan1/guessing-game-rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/MuhammadAliKhan1/guessing-game-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/MuhammadAliKhan1/guessing-game-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/MuhammadAliKhan1/guessing-game-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MuhammadAliKhan1/guessing-game-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MuhammadAliKhan1/guessing-game-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MuhammadAliKhan1/guessing-game-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d88d80819ac32e163e610155febd9cfdcb63551
[INFO] sha for GitHub repo MuhammadAliKhan1/guessing-game-rust: 1d88d80819ac32e163e610155febd9cfdcb63551
[INFO] validating manifest of MuhammadAliKhan1/guessing-game-rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of MuhammadAliKhan1/guessing-game-rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing MuhammadAliKhan1/guessing-game-rust
[INFO] finished frobbing MuhammadAliKhan1/guessing-game-rust
[INFO] frobbed toml for MuhammadAliKhan1/guessing-game-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/MuhammadAliKhan1/guessing-game-rust/Cargo.toml
[INFO] started frobbing MuhammadAliKhan1/guessing-game-rust
[INFO] finished frobbing MuhammadAliKhan1/guessing-game-rust
[INFO] frobbed toml for MuhammadAliKhan1/guessing-game-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MuhammadAliKhan1/guessing-game-rust/Cargo.toml
[INFO] crate MuhammadAliKhan1/guessing-game-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing MuhammadAliKhan1/guessing-game-rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MuhammadAliKhan1/guessing-game-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ff3b1e36aef3312af6f3c39accedc26512a7b7edb5bde758ba80463ba4704a0b
[INFO] running `"docker" "start" "-a" "ff3b1e36aef3312af6f3c39accedc26512a7b7edb5bde758ba80463ba4704a0b"`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "ff3b1e36aef3312af6f3c39accedc26512a7b7edb5bde758ba80463ba4704a0b"`
[INFO] running `"docker" "rm" "-f" "ff3b1e36aef3312af6f3c39accedc26512a7b7edb5bde758ba80463ba4704a0b"`
[INFO] [stdout] ff3b1e36aef3312af6f3c39accedc26512a7b7edb5bde758ba80463ba4704a0b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MuhammadAliKhan1/guessing-game-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f9fee8c6c92a8dc1d31016d68d4d1eb51fb24985d7de42bb6c5fe3e3b8b0e3e5
[INFO] running `"docker" "start" "-a" "f9fee8c6c92a8dc1d31016d68d4d1eb51fb24985d7de42bb6c5fe3e3b8b0e3e5"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "f9fee8c6c92a8dc1d31016d68d4d1eb51fb24985d7de42bb6c5fe3e3b8b0e3e5"`
[INFO] running `"docker" "rm" "-f" "f9fee8c6c92a8dc1d31016d68d4d1eb51fb24985d7de42bb6c5fe3e3b8b0e3e5"`
[INFO] [stdout] f9fee8c6c92a8dc1d31016d68d4d1eb51fb24985d7de42bb6c5fe3e3b8b0e3e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MuhammadAliKhan1/guessing-game-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1c2606849f65614af4fd042cd423d9c1233562ae84ec607f384325ba9521794e
[INFO] running `"docker" "start" "-a" "1c2606849f65614af4fd042cd423d9c1233562ae84ec607f384325ba9521794e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-2f1034b03d22288b
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1c2606849f65614af4fd042cd423d9c1233562ae84ec607f384325ba9521794e"`
[INFO] running `"docker" "rm" "-f" "1c2606849f65614af4fd042cd423d9c1233562ae84ec607f384325ba9521794e"`
[INFO] [stdout] 1c2606849f65614af4fd042cd423d9c1233562ae84ec607f384325ba9521794e