[INFO] updating cached repository bahmanshams/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bahmanshams/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bahmanshams/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/bahmanshams/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bahmanshams/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bahmanshams/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bahmanshams/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bahmanshams/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 884514a32c7a42f29a09996b3245f841c8b7b845
[INFO] sha for GitHub repo bahmanshams/guessing_game: 884514a32c7a42f29a09996b3245f841c8b7b845
[INFO] validating manifest of bahmanshams/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 bahmanshams/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 bahmanshams/guessing_game
[INFO] finished frobbing bahmanshams/guessing_game
[INFO] frobbed toml for bahmanshams/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/bahmanshams/guessing_game/Cargo.toml
[INFO] started frobbing bahmanshams/guessing_game
[INFO] finished frobbing bahmanshams/guessing_game
[INFO] frobbed toml for bahmanshams/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bahmanshams/guessing_game/Cargo.toml
[INFO] crate bahmanshams/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 bahmanshams/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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bahmanshams/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] cb11db82aa206b52ef98e7152391f5515dbaec053ebd1360f57f5118328446a7
[INFO] running `"docker" "start" "-a" "cb11db82aa206b52ef98e7152391f5515dbaec053ebd1360f57f5118328446a7"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "cb11db82aa206b52ef98e7152391f5515dbaec053ebd1360f57f5118328446a7"`
[INFO] running `"docker" "rm" "-f" "cb11db82aa206b52ef98e7152391f5515dbaec053ebd1360f57f5118328446a7"`
[INFO] [stdout] cb11db82aa206b52ef98e7152391f5515dbaec053ebd1360f57f5118328446a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bahmanshams/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] 88de325a4e9ca5578140094abcd7f66fbe0defe324848c93986d681747625d99
[INFO] running `"docker" "start" "-a" "88de325a4e9ca5578140094abcd7f66fbe0defe324848c93986d681747625d99"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "88de325a4e9ca5578140094abcd7f66fbe0defe324848c93986d681747625d99"`
[INFO] running `"docker" "rm" "-f" "88de325a4e9ca5578140094abcd7f66fbe0defe324848c93986d681747625d99"`
[INFO] [stdout] 88de325a4e9ca5578140094abcd7f66fbe0defe324848c93986d681747625d99
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bahmanshams/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] 81a064e0337c3e512058ca8b9a15679670720315073d8a542895ebbf4385deeb
[INFO] running `"docker" "start" "-a" "81a064e0337c3e512058ca8b9a15679670720315073d8a542895ebbf4385deeb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-1b30e1146b35a5be
[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" "81a064e0337c3e512058ca8b9a15679670720315073d8a542895ebbf4385deeb"`
[INFO] running `"docker" "rm" "-f" "81a064e0337c3e512058ca8b9a15679670720315073d8a542895ebbf4385deeb"`
[INFO] [stdout] 81a064e0337c3e512058ca8b9a15679670720315073d8a542895ebbf4385deeb