[INFO] updating cached repository srdone/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/srdone/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/srdone/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/srdone/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/srdone/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/srdone/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/srdone/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/srdone/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b6da808e55d78cad0b50f9aafa59ffaf8272220f
[INFO] sha for GitHub repo srdone/guessing_game: b6da808e55d78cad0b50f9aafa59ffaf8272220f
[INFO] validating manifest of srdone/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 srdone/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 srdone/guessing_game
[INFO] finished frobbing srdone/guessing_game
[INFO] frobbed toml for srdone/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/srdone/guessing_game/Cargo.toml
[INFO] started frobbing srdone/guessing_game
[INFO] finished frobbing srdone/guessing_game
[INFO] frobbed toml for srdone/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/srdone/guessing_game/Cargo.toml
[INFO] crate srdone/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 srdone/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-4/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/srdone/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] 3cd1daf66814c3564b6dccce84e7253df99eff8c088542443b425756c0867f72
[INFO] running `"docker" "start" "-a" "3cd1daf66814c3564b6dccce84e7253df99eff8c088542443b425756c0867f72"`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `"docker" "inspect" "3cd1daf66814c3564b6dccce84e7253df99eff8c088542443b425756c0867f72"`
[INFO] running `"docker" "rm" "-f" "3cd1daf66814c3564b6dccce84e7253df99eff8c088542443b425756c0867f72"`
[INFO] [stdout] 3cd1daf66814c3564b6dccce84e7253df99eff8c088542443b425756c0867f72
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/srdone/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] 11bdf615aac506c4c50cbe08ff1e6de0964fdf99d3b3174d27fc902c35bc8d93
[INFO] running `"docker" "start" "-a" "11bdf615aac506c4c50cbe08ff1e6de0964fdf99d3b3174d27fc902c35bc8d93"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "11bdf615aac506c4c50cbe08ff1e6de0964fdf99d3b3174d27fc902c35bc8d93"`
[INFO] running `"docker" "rm" "-f" "11bdf615aac506c4c50cbe08ff1e6de0964fdf99d3b3174d27fc902c35bc8d93"`
[INFO] [stdout] 11bdf615aac506c4c50cbe08ff1e6de0964fdf99d3b3174d27fc902c35bc8d93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/srdone/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] d07705b89d48aa993be05a1283a3c0184cacbd03b629adfa1bf049a80dd9f085
[INFO] running `"docker" "start" "-a" "d07705b89d48aa993be05a1283a3c0184cacbd03b629adfa1bf049a80dd9f085"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-6933890c87e82fd5
[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" "d07705b89d48aa993be05a1283a3c0184cacbd03b629adfa1bf049a80dd9f085"`
[INFO] running `"docker" "rm" "-f" "d07705b89d48aa993be05a1283a3c0184cacbd03b629adfa1bf049a80dd9f085"`
[INFO] [stdout] d07705b89d48aa993be05a1283a3c0184cacbd03b629adfa1bf049a80dd9f085