[INFO] updating cached repository isalevine/rustbook-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/isalevine/rustbook-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/isalevine/rustbook-guessing-game" "work/ex/beta-1.37-6/sources/1.36.0/gh/isalevine/rustbook-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/isalevine/rustbook-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/isalevine/rustbook-guessing-game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/isalevine/rustbook-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/isalevine/rustbook-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4d63c4a0dc951a0e6b7618aa34e2314023bebe93
[INFO] sha for GitHub repo isalevine/rustbook-guessing-game: 4d63c4a0dc951a0e6b7618aa34e2314023bebe93
[INFO] validating manifest of isalevine/rustbook-guessing-game on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of isalevine/rustbook-guessing-game on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing isalevine/rustbook-guessing-game
[INFO] finished frobbing isalevine/rustbook-guessing-game
[INFO] frobbed toml for isalevine/rustbook-guessing-game written to work/ex/beta-1.37-6/sources/1.36.0/gh/isalevine/rustbook-guessing-game/Cargo.toml
[INFO] started frobbing isalevine/rustbook-guessing-game
[INFO] finished frobbing isalevine/rustbook-guessing-game
[INFO] frobbed toml for isalevine/rustbook-guessing-game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/isalevine/rustbook-guessing-game/Cargo.toml
[INFO] crate isalevine/rustbook-guessing-game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing isalevine/rustbook-guessing-game against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/isalevine/rustbook-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] e33ab97d354f1e8ae0536e2989a219de6940baa33af263912c4d02cf6c84e7ed
[INFO] running `"docker" "start" "-a" "e33ab97d354f1e8ae0536e2989a219de6940baa33af263912c4d02cf6c84e7ed"`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "e33ab97d354f1e8ae0536e2989a219de6940baa33af263912c4d02cf6c84e7ed"`
[INFO] running `"docker" "rm" "-f" "e33ab97d354f1e8ae0536e2989a219de6940baa33af263912c4d02cf6c84e7ed"`
[INFO] [stdout] e33ab97d354f1e8ae0536e2989a219de6940baa33af263912c4d02cf6c84e7ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/isalevine/rustbook-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 51d7827c092006ef779e45d76c6c5cd63f800d232250e45b7a3fcc67bd8708d7
[INFO] running `"docker" "start" "-a" "51d7827c092006ef779e45d76c6c5cd63f800d232250e45b7a3fcc67bd8708d7"`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "51d7827c092006ef779e45d76c6c5cd63f800d232250e45b7a3fcc67bd8708d7"`
[INFO] running `"docker" "rm" "-f" "51d7827c092006ef779e45d76c6c5cd63f800d232250e45b7a3fcc67bd8708d7"`
[INFO] [stdout] 51d7827c092006ef779e45d76c6c5cd63f800d232250e45b7a3fcc67bd8708d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/isalevine/rustbook-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 0e0529ad9bf88f131fbfabb6e918e2c8af7575542b9f454b1896f932b2ce0042
[INFO] running `"docker" "start" "-a" "0e0529ad9bf88f131fbfabb6e918e2c8af7575542b9f454b1896f932b2ce0042"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-60a1246e96ce9162
[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" "0e0529ad9bf88f131fbfabb6e918e2c8af7575542b9f454b1896f932b2ce0042"`
[INFO] running `"docker" "rm" "-f" "0e0529ad9bf88f131fbfabb6e918e2c8af7575542b9f454b1896f932b2ce0042"`
[INFO] [stdout] 0e0529ad9bf88f131fbfabb6e918e2c8af7575542b9f454b1896f932b2ce0042