[INFO] updating cached repository kb3udn/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kb3udn/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kb3udn/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/kb3udn/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kb3udn/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kb3udn/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kb3udn/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kb3udn/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9559f2525af789c1398e5369c645e4ca033b8d61
[INFO] sha for GitHub repo kb3udn/guessing_game: 9559f2525af789c1398e5369c645e4ca033b8d61
[INFO] validating manifest of kb3udn/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 kb3udn/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 kb3udn/guessing_game
[INFO] finished frobbing kb3udn/guessing_game
[INFO] frobbed toml for kb3udn/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/kb3udn/guessing_game/Cargo.toml
[INFO] started frobbing kb3udn/guessing_game
[INFO] finished frobbing kb3udn/guessing_game
[INFO] frobbed toml for kb3udn/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kb3udn/guessing_game/Cargo.toml
[INFO] crate kb3udn/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 kb3udn/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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kb3udn/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] 54aa1c45b7b100f2be42a8a7dcaa395deb7abfda0d30d8a62511f90d93435d2e
[INFO] running `"docker" "start" "-a" "54aa1c45b7b100f2be42a8a7dcaa395deb7abfda0d30d8a62511f90d93435d2e"`
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `"docker" "inspect" "54aa1c45b7b100f2be42a8a7dcaa395deb7abfda0d30d8a62511f90d93435d2e"`
[INFO] running `"docker" "rm" "-f" "54aa1c45b7b100f2be42a8a7dcaa395deb7abfda0d30d8a62511f90d93435d2e"`
[INFO] [stdout] 54aa1c45b7b100f2be42a8a7dcaa395deb7abfda0d30d8a62511f90d93435d2e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kb3udn/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] 955a7efc6cdb8a2a34ac386f6339a4669af3db0f190e8d5a5915029d365d4df7
[INFO] running `"docker" "start" "-a" "955a7efc6cdb8a2a34ac386f6339a4669af3db0f190e8d5a5915029d365d4df7"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "955a7efc6cdb8a2a34ac386f6339a4669af3db0f190e8d5a5915029d365d4df7"`
[INFO] running `"docker" "rm" "-f" "955a7efc6cdb8a2a34ac386f6339a4669af3db0f190e8d5a5915029d365d4df7"`
[INFO] [stdout] 955a7efc6cdb8a2a34ac386f6339a4669af3db0f190e8d5a5915029d365d4df7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kb3udn/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] 92d62420f84e7169e160ade8403226a57b5057456575a352400ea73de08ef104
[INFO] running `"docker" "start" "-a" "92d62420f84e7169e160ade8403226a57b5057456575a352400ea73de08ef104"`
[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" "92d62420f84e7169e160ade8403226a57b5057456575a352400ea73de08ef104"`
[INFO] running `"docker" "rm" "-f" "92d62420f84e7169e160ade8403226a57b5057456575a352400ea73de08ef104"`
[INFO] [stdout] 92d62420f84e7169e160ade8403226a57b5057456575a352400ea73de08ef104