[INFO] updating cached repository kitzin/d7018e-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kitzin/d7018e-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kitzin/d7018e-guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/kitzin/d7018e-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kitzin/d7018e-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kitzin/d7018e-guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kitzin/d7018e-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kitzin/d7018e-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cbedcfb2414935e8812c92d66615407178171508
[INFO] sha for GitHub repo kitzin/d7018e-guessing-game: cbedcfb2414935e8812c92d66615407178171508
[INFO] validating manifest of kitzin/d7018e-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 kitzin/d7018e-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 kitzin/d7018e-guessing-game
[INFO] finished frobbing kitzin/d7018e-guessing-game
[INFO] frobbed toml for kitzin/d7018e-guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/kitzin/d7018e-guessing-game/Cargo.toml
[INFO] started frobbing kitzin/d7018e-guessing-game
[INFO] finished frobbing kitzin/d7018e-guessing-game
[INFO] frobbed toml for kitzin/d7018e-guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kitzin/d7018e-guessing-game/Cargo.toml
[INFO] crate kitzin/d7018e-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 kitzin/d7018e-guessing-game against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kitzin/d7018e-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7a2cb85f3e64af0112c0d75c18f6c687f4921ad553651eb01bc4ab0e660dbf54
[INFO] running `"docker" "start" "-a" "7a2cb85f3e64af0112c0d75c18f6c687f4921ad553651eb01bc4ab0e660dbf54"`
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `"docker" "inspect" "7a2cb85f3e64af0112c0d75c18f6c687f4921ad553651eb01bc4ab0e660dbf54"`
[INFO] running `"docker" "rm" "-f" "7a2cb85f3e64af0112c0d75c18f6c687f4921ad553651eb01bc4ab0e660dbf54"`
[INFO] [stdout] 7a2cb85f3e64af0112c0d75c18f6c687f4921ad553651eb01bc4ab0e660dbf54
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kitzin/d7018e-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9157554988c7fe1b62eceba8b229e74f22d6b17a464b8e82929eef761ad5634f
[INFO] running `"docker" "start" "-a" "9157554988c7fe1b62eceba8b229e74f22d6b17a464b8e82929eef761ad5634f"`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "9157554988c7fe1b62eceba8b229e74f22d6b17a464b8e82929eef761ad5634f"`
[INFO] running `"docker" "rm" "-f" "9157554988c7fe1b62eceba8b229e74f22d6b17a464b8e82929eef761ad5634f"`
[INFO] [stdout] 9157554988c7fe1b62eceba8b229e74f22d6b17a464b8e82929eef761ad5634f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kitzin/d7018e-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 641144c3c46cd952abe14e1f458bce55aee1a96d5e705f6b9fc7de84b1fda195
[INFO] running `"docker" "start" "-a" "641144c3c46cd952abe14e1f458bce55aee1a96d5e705f6b9fc7de84b1fda195"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-72c669a0af404491
[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" "641144c3c46cd952abe14e1f458bce55aee1a96d5e705f6b9fc7de84b1fda195"`
[INFO] running `"docker" "rm" "-f" "641144c3c46cd952abe14e1f458bce55aee1a96d5e705f6b9fc7de84b1fda195"`
[INFO] [stdout] 641144c3c46cd952abe14e1f458bce55aee1a96d5e705f6b9fc7de84b1fda195