[INFO] updating cached repository lundybernard/rust_guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lundybernard/rust_guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lundybernard/rust_guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/lundybernard/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lundybernard/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lundybernard/rust_guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lundybernard/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lundybernard/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07698bd5bcb9c30301af882734b068e042b48679
[INFO] sha for GitHub repo lundybernard/rust_guessing_game: 07698bd5bcb9c30301af882734b068e042b48679
[INFO] validating manifest of lundybernard/rust_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 lundybernard/rust_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 lundybernard/rust_guessing_game
[INFO] finished frobbing lundybernard/rust_guessing_game
[INFO] frobbed toml for lundybernard/rust_guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/lundybernard/rust_guessing_game/Cargo.toml
[INFO] started frobbing lundybernard/rust_guessing_game
[INFO] finished frobbing lundybernard/rust_guessing_game
[INFO] frobbed toml for lundybernard/rust_guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lundybernard/rust_guessing_game/Cargo.toml
[INFO] crate lundybernard/rust_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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lundybernard/rust_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/lundybernard/rust_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] b67c19bb85d88970fb57d2fee62320de996ea46c27b95310ab953b59e3f6c60f
[INFO] running `"docker" "start" "-a" "b67c19bb85d88970fb57d2fee62320de996ea46c27b95310ab953b59e3f6c60f"`
[INFO] [stderr]    Compiling libc v0.2.45
[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 5.66s
[INFO] running `"docker" "inspect" "b67c19bb85d88970fb57d2fee62320de996ea46c27b95310ab953b59e3f6c60f"`
[INFO] running `"docker" "rm" "-f" "b67c19bb85d88970fb57d2fee62320de996ea46c27b95310ab953b59e3f6c60f"`
[INFO] [stdout] b67c19bb85d88970fb57d2fee62320de996ea46c27b95310ab953b59e3f6c60f
[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/lundybernard/rust_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] 6400f22b0bccae98d8d376ac500adb78e8a598c417f5376d40d15cf76521c09b
[INFO] running `"docker" "start" "-a" "6400f22b0bccae98d8d376ac500adb78e8a598c417f5376d40d15cf76521c09b"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "6400f22b0bccae98d8d376ac500adb78e8a598c417f5376d40d15cf76521c09b"`
[INFO] running `"docker" "rm" "-f" "6400f22b0bccae98d8d376ac500adb78e8a598c417f5376d40d15cf76521c09b"`
[INFO] [stdout] 6400f22b0bccae98d8d376ac500adb78e8a598c417f5376d40d15cf76521c09b
[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/lundybernard/rust_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] d1f88c114bf150a56662827f43bcb949f710185d39cc48fcc232ad16681ebf98
[INFO] running `"docker" "start" "-a" "d1f88c114bf150a56662827f43bcb949f710185d39cc48fcc232ad16681ebf98"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-f0a0805726afb3ec
[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" "d1f88c114bf150a56662827f43bcb949f710185d39cc48fcc232ad16681ebf98"`
[INFO] running `"docker" "rm" "-f" "d1f88c114bf150a56662827f43bcb949f710185d39cc48fcc232ad16681ebf98"`
[INFO] [stdout] d1f88c114bf150a56662827f43bcb949f710185d39cc48fcc232ad16681ebf98