[INFO] updating cached repository RobGThai/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RobGThai/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RobGThai/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/RobGThai/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RobGThai/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RobGThai/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RobGThai/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RobGThai/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d8f5d4e7c15431427f283f65c3b0320199b21dbc
[INFO] sha for GitHub repo RobGThai/guessing_game: d8f5d4e7c15431427f283f65c3b0320199b21dbc
[INFO] validating manifest of RobGThai/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 RobGThai/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 RobGThai/guessing_game
[INFO] finished frobbing RobGThai/guessing_game
[INFO] frobbed toml for RobGThai/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/RobGThai/guessing_game/Cargo.toml
[INFO] started frobbing RobGThai/guessing_game
[INFO] finished frobbing RobGThai/guessing_game
[INFO] frobbed toml for RobGThai/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RobGThai/guessing_game/Cargo.toml
[INFO] crate RobGThai/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing RobGThai/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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RobGThai/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] b68cf880e438ed35ccf02a0204a843c5618dff03915b379b379b03ccac247312
[INFO] running `"docker" "start" "-a" "b68cf880e438ed35ccf02a0204a843c5618dff03915b379b379b03ccac247312"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "b68cf880e438ed35ccf02a0204a843c5618dff03915b379b379b03ccac247312"`
[INFO] running `"docker" "rm" "-f" "b68cf880e438ed35ccf02a0204a843c5618dff03915b379b379b03ccac247312"`
[INFO] [stdout] b68cf880e438ed35ccf02a0204a843c5618dff03915b379b379b03ccac247312
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RobGThai/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] 936bd96f6d45332c67ee1638711567eb89b78d60dc1e7ca56c8ef14eacd5c6ed
[INFO] running `"docker" "start" "-a" "936bd96f6d45332c67ee1638711567eb89b78d60dc1e7ca56c8ef14eacd5c6ed"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "936bd96f6d45332c67ee1638711567eb89b78d60dc1e7ca56c8ef14eacd5c6ed"`
[INFO] running `"docker" "rm" "-f" "936bd96f6d45332c67ee1638711567eb89b78d60dc1e7ca56c8ef14eacd5c6ed"`
[INFO] [stdout] 936bd96f6d45332c67ee1638711567eb89b78d60dc1e7ca56c8ef14eacd5c6ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RobGThai/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] c7bb3d79dc4090f2c7c7ee4a5285a4ff8b007d77cbcf9b2612fd2cb12879bbdb
[INFO] running `"docker" "start" "-a" "c7bb3d79dc4090f2c7c7ee4a5285a4ff8b007d77cbcf9b2612fd2cb12879bbdb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-741faedf6cef90cd
[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" "c7bb3d79dc4090f2c7c7ee4a5285a4ff8b007d77cbcf9b2612fd2cb12879bbdb"`
[INFO] running `"docker" "rm" "-f" "c7bb3d79dc4090f2c7c7ee4a5285a4ff8b007d77cbcf9b2612fd2cb12879bbdb"`
[INFO] [stdout] c7bb3d79dc4090f2c7c7ee4a5285a4ff8b007d77cbcf9b2612fd2cb12879bbdb