[INFO] updating cached repository katsew/GuessingGame.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/katsew/GuessingGame.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/katsew/GuessingGame.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/katsew/GuessingGame.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/katsew/GuessingGame.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/katsew/GuessingGame.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/katsew/GuessingGame.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/katsew/GuessingGame.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 10d628e4d638efd794182ee7b80f4a3120671732
[INFO] sha for GitHub repo katsew/GuessingGame.rs: 10d628e4d638efd794182ee7b80f4a3120671732
[INFO] validating manifest of katsew/GuessingGame.rs 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 katsew/GuessingGame.rs 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 katsew/GuessingGame.rs
[INFO] finished frobbing katsew/GuessingGame.rs
[INFO] frobbed toml for katsew/GuessingGame.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/katsew/GuessingGame.rs/Cargo.toml
[INFO] started frobbing katsew/GuessingGame.rs
[INFO] finished frobbing katsew/GuessingGame.rs
[INFO] frobbed toml for katsew/GuessingGame.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/katsew/GuessingGame.rs/Cargo.toml
[INFO] crate katsew/GuessingGame.rs 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 katsew/GuessingGame.rs 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/katsew/GuessingGame.rs:/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] 60c738be552c6518855b7380aa28b60ae06d894ea52e69808d3e3f1dd6bfdd32
[INFO] running `"docker" "start" "-a" "60c738be552c6518855b7380aa28b60ae06d894ea52e69808d3e3f1dd6bfdd32"`
[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" "60c738be552c6518855b7380aa28b60ae06d894ea52e69808d3e3f1dd6bfdd32"`
[INFO] running `"docker" "rm" "-f" "60c738be552c6518855b7380aa28b60ae06d894ea52e69808d3e3f1dd6bfdd32"`
[INFO] [stdout] 60c738be552c6518855b7380aa28b60ae06d894ea52e69808d3e3f1dd6bfdd32
[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/katsew/GuessingGame.rs:/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] 9fffb266a64aa4aa4116e18263fd9a8ebbfd3f0db93a7acc4469a3d1a601752c
[INFO] running `"docker" "start" "-a" "9fffb266a64aa4aa4116e18263fd9a8ebbfd3f0db93a7acc4469a3d1a601752c"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "9fffb266a64aa4aa4116e18263fd9a8ebbfd3f0db93a7acc4469a3d1a601752c"`
[INFO] running `"docker" "rm" "-f" "9fffb266a64aa4aa4116e18263fd9a8ebbfd3f0db93a7acc4469a3d1a601752c"`
[INFO] [stdout] 9fffb266a64aa4aa4116e18263fd9a8ebbfd3f0db93a7acc4469a3d1a601752c
[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/katsew/GuessingGame.rs:/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] 623a37e369f0813630a187939840ad19cbff5cf44e8308596ebb5cc204ce259a
[INFO] running `"docker" "start" "-a" "623a37e369f0813630a187939840ad19cbff5cf44e8308596ebb5cc204ce259a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-7ecf134f79b66149
[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" "623a37e369f0813630a187939840ad19cbff5cf44e8308596ebb5cc204ce259a"`
[INFO] running `"docker" "rm" "-f" "623a37e369f0813630a187939840ad19cbff5cf44e8308596ebb5cc204ce259a"`
[INFO] [stdout] 623a37e369f0813630a187939840ad19cbff5cf44e8308596ebb5cc204ce259a