[INFO] updating cached repository BiDuang/Rust-Guessing_Game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BiDuang/Rust-Guessing_Game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BiDuang/Rust-Guessing_Game" "work/ex/beta-1.38-1/sources/1.37.0/gh/BiDuang/Rust-Guessing_Game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BiDuang/Rust-Guessing_Game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BiDuang/Rust-Guessing_Game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BiDuang/Rust-Guessing_Game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BiDuang/Rust-Guessing_Game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6f3892dfca1ae2bd2f7d59a4d04697592dcfd501
[INFO] sha for GitHub repo BiDuang/Rust-Guessing_Game: 6f3892dfca1ae2bd2f7d59a4d04697592dcfd501
[INFO] validating manifest of BiDuang/Rust-Guessing_Game on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BiDuang/Rust-Guessing_Game on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BiDuang/Rust-Guessing_Game
[INFO] finished frobbing BiDuang/Rust-Guessing_Game
[INFO] frobbed toml for BiDuang/Rust-Guessing_Game written to work/ex/beta-1.38-1/sources/1.37.0/gh/BiDuang/Rust-Guessing_Game/Cargo.toml
[INFO] started frobbing BiDuang/Rust-Guessing_Game
[INFO] finished frobbing BiDuang/Rust-Guessing_Game
[INFO] frobbed toml for BiDuang/Rust-Guessing_Game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BiDuang/Rust-Guessing_Game/Cargo.toml
[INFO] crate BiDuang/Rust-Guessing_Game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing BiDuang/Rust-Guessing_Game against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BiDuang/Rust-Guessing_Game:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0f2d8e8ecdf2fa5e4a6dad7a261da7d65408d65e7b423d6b002ac2ef31273293
[INFO] running `"docker" "start" "-a" "0f2d8e8ecdf2fa5e4a6dad7a261da7d65408d65e7b423d6b002ac2ef31273293"`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "0f2d8e8ecdf2fa5e4a6dad7a261da7d65408d65e7b423d6b002ac2ef31273293"`
[INFO] running `"docker" "rm" "-f" "0f2d8e8ecdf2fa5e4a6dad7a261da7d65408d65e7b423d6b002ac2ef31273293"`
[INFO] [stdout] 0f2d8e8ecdf2fa5e4a6dad7a261da7d65408d65e7b423d6b002ac2ef31273293
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BiDuang/Rust-Guessing_Game:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 37ca1e6977b97b3802bc7e10481a586556b9271e305f386cdb4d6ce04e6aa34f
[INFO] running `"docker" "start" "-a" "37ca1e6977b97b3802bc7e10481a586556b9271e305f386cdb4d6ce04e6aa34f"`
[INFO] [stderr]    Compiling guessing_game v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "37ca1e6977b97b3802bc7e10481a586556b9271e305f386cdb4d6ce04e6aa34f"`
[INFO] running `"docker" "rm" "-f" "37ca1e6977b97b3802bc7e10481a586556b9271e305f386cdb4d6ce04e6aa34f"`
[INFO] [stdout] 37ca1e6977b97b3802bc7e10481a586556b9271e305f386cdb4d6ce04e6aa34f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BiDuang/Rust-Guessing_Game:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7afef1fefc4cfa083df6a3362943145a93cfcfd07364d3e354d1e9df3ec408eb
[INFO] running `"docker" "start" "-a" "7afef1fefc4cfa083df6a3362943145a93cfcfd07364d3e354d1e9df3ec408eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-566a26c10a0eb251
[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" "7afef1fefc4cfa083df6a3362943145a93cfcfd07364d3e354d1e9df3ec408eb"`
[INFO] running `"docker" "rm" "-f" "7afef1fefc4cfa083df6a3362943145a93cfcfd07364d3e354d1e9df3ec408eb"`
[INFO] [stdout] 7afef1fefc4cfa083df6a3362943145a93cfcfd07364d3e354d1e9df3ec408eb