[INFO] updating cached repository sethferrell/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sethferrell/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sethferrell/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/sethferrell/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sethferrell/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sethferrell/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sethferrell/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sethferrell/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 15bc6ee38afec26ef7c04c0aaaba4f208f1d33f8
[INFO] sha for GitHub repo sethferrell/guessing_game: 15bc6ee38afec26ef7c04c0aaaba4f208f1d33f8
[INFO] validating manifest of sethferrell/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 sethferrell/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 sethferrell/guessing_game
[INFO] finished frobbing sethferrell/guessing_game
[INFO] frobbed toml for sethferrell/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/sethferrell/guessing_game/Cargo.toml
[INFO] started frobbing sethferrell/guessing_game
[INFO] finished frobbing sethferrell/guessing_game
[INFO] frobbed toml for sethferrell/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sethferrell/guessing_game/Cargo.toml
[INFO] crate sethferrell/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 sethferrell/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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sethferrell/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] ad1817aa0633ddfa50ce5030fad42bfb4d166cfede31dac90a57d585628fc696
[INFO] running `"docker" "start" "-a" "ad1817aa0633ddfa50ce5030fad42bfb4d166cfede31dac90a57d585628fc696"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "ad1817aa0633ddfa50ce5030fad42bfb4d166cfede31dac90a57d585628fc696"`
[INFO] running `"docker" "rm" "-f" "ad1817aa0633ddfa50ce5030fad42bfb4d166cfede31dac90a57d585628fc696"`
[INFO] [stdout] ad1817aa0633ddfa50ce5030fad42bfb4d166cfede31dac90a57d585628fc696
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sethferrell/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] bb7cbd2149490a2f1a55694dc93ec7978f8224ade3eacfb2b4159c00dc236d85
[INFO] running `"docker" "start" "-a" "bb7cbd2149490a2f1a55694dc93ec7978f8224ade3eacfb2b4159c00dc236d85"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "bb7cbd2149490a2f1a55694dc93ec7978f8224ade3eacfb2b4159c00dc236d85"`
[INFO] running `"docker" "rm" "-f" "bb7cbd2149490a2f1a55694dc93ec7978f8224ade3eacfb2b4159c00dc236d85"`
[INFO] [stdout] bb7cbd2149490a2f1a55694dc93ec7978f8224ade3eacfb2b4159c00dc236d85
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sethferrell/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] 7550c8eaf4cfdaa43d7e90572fcba2dded23a292e0556bdad6bd7fae0e1263b4
[INFO] running `"docker" "start" "-a" "7550c8eaf4cfdaa43d7e90572fcba2dded23a292e0556bdad6bd7fae0e1263b4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-46774c244d8400bd
[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" "7550c8eaf4cfdaa43d7e90572fcba2dded23a292e0556bdad6bd7fae0e1263b4"`
[INFO] running `"docker" "rm" "-f" "7550c8eaf4cfdaa43d7e90572fcba2dded23a292e0556bdad6bd7fae0e1263b4"`
[INFO] [stdout] 7550c8eaf4cfdaa43d7e90572fcba2dded23a292e0556bdad6bd7fae0e1263b4