[INFO] updating cached repository piedra97/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/piedra97/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/piedra97/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/piedra97/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/piedra97/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/piedra97/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/piedra97/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/piedra97/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 79e2b99f670e7f0f7a7e9b7d7c284bf03f9e0dba
[INFO] sha for GitHub repo piedra97/guessing_game: 79e2b99f670e7f0f7a7e9b7d7c284bf03f9e0dba
[INFO] validating manifest of piedra97/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 piedra97/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 piedra97/guessing_game
[INFO] finished frobbing piedra97/guessing_game
[INFO] frobbed toml for piedra97/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/piedra97/guessing_game/Cargo.toml
[INFO] started frobbing piedra97/guessing_game
[INFO] finished frobbing piedra97/guessing_game
[INFO] frobbed toml for piedra97/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/piedra97/guessing_game/Cargo.toml
[INFO] crate piedra97/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 piedra97/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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/piedra97/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] b22bf3b2aecc661dad205a34c698bfafa3994e937c44b732267c743febc23d31
[INFO] running `"docker" "start" "-a" "b22bf3b2aecc661dad205a34c698bfafa3994e937c44b732267c743febc23d31"`
[INFO] [stderr]    Compiling GuessingGame v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `GuessingGame` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `guessing_game`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "b22bf3b2aecc661dad205a34c698bfafa3994e937c44b732267c743febc23d31"`
[INFO] running `"docker" "rm" "-f" "b22bf3b2aecc661dad205a34c698bfafa3994e937c44b732267c743febc23d31"`
[INFO] [stdout] b22bf3b2aecc661dad205a34c698bfafa3994e937c44b732267c743febc23d31
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/piedra97/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] d65cfec7000912bb28d03ccecd09bdd2e7c58fab049d0e12ff071e96cdd54d3e
[INFO] running `"docker" "start" "-a" "d65cfec7000912bb28d03ccecd09bdd2e7c58fab049d0e12ff071e96cdd54d3e"`
[INFO] [stderr]    Compiling GuessingGame v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `GuessingGame` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `guessing_game`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "d65cfec7000912bb28d03ccecd09bdd2e7c58fab049d0e12ff071e96cdd54d3e"`
[INFO] running `"docker" "rm" "-f" "d65cfec7000912bb28d03ccecd09bdd2e7c58fab049d0e12ff071e96cdd54d3e"`
[INFO] [stdout] d65cfec7000912bb28d03ccecd09bdd2e7c58fab049d0e12ff071e96cdd54d3e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/piedra97/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] 7849cabe14834b4fd91330e7ec51524bced508cb1dac0b6298e4dcfa7069dda3
[INFO] running `"docker" "start" "-a" "7849cabe14834b4fd91330e7ec51524bced508cb1dac0b6298e4dcfa7069dda3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/GuessingGame-ffc4669cef4b6485
[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" "7849cabe14834b4fd91330e7ec51524bced508cb1dac0b6298e4dcfa7069dda3"`
[INFO] running `"docker" "rm" "-f" "7849cabe14834b4fd91330e7ec51524bced508cb1dac0b6298e4dcfa7069dda3"`
[INFO] [stdout] 7849cabe14834b4fd91330e7ec51524bced508cb1dac0b6298e4dcfa7069dda3