[INFO] updating cached repository barrylavides/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/barrylavides/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/barrylavides/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/barrylavides/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/barrylavides/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/barrylavides/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/barrylavides/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/barrylavides/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8b088cd7dcb2413bcfda30ac114a4bc9233bd0dc
[INFO] sha for GitHub repo barrylavides/guessing_game: 8b088cd7dcb2413bcfda30ac114a4bc9233bd0dc
[INFO] validating manifest of barrylavides/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 barrylavides/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 barrylavides/guessing_game
[INFO] finished frobbing barrylavides/guessing_game
[INFO] frobbed toml for barrylavides/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/barrylavides/guessing_game/Cargo.toml
[INFO] started frobbing barrylavides/guessing_game
[INFO] finished frobbing barrylavides/guessing_game
[INFO] frobbed toml for barrylavides/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/barrylavides/guessing_game/Cargo.toml
[INFO] crate barrylavides/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 barrylavides/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/barrylavides/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] 82e8b165a076f10d13b86aafeb7489b40401b7268bdb0f75f1c2d24cffc7b63d
[INFO] running `"docker" "start" "-a" "82e8b165a076f10d13b86aafeb7489b40401b7268bdb0f75f1c2d24cffc7b63d"`
[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 1.30s
[INFO] running `"docker" "inspect" "82e8b165a076f10d13b86aafeb7489b40401b7268bdb0f75f1c2d24cffc7b63d"`
[INFO] running `"docker" "rm" "-f" "82e8b165a076f10d13b86aafeb7489b40401b7268bdb0f75f1c2d24cffc7b63d"`
[INFO] [stdout] 82e8b165a076f10d13b86aafeb7489b40401b7268bdb0f75f1c2d24cffc7b63d
[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/barrylavides/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] abc68eae849fc0a0b8efcf917cf7bab5cf8106002cf7f99966ce68f86d90a9a3
[INFO] running `"docker" "start" "-a" "abc68eae849fc0a0b8efcf917cf7bab5cf8106002cf7f99966ce68f86d90a9a3"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "abc68eae849fc0a0b8efcf917cf7bab5cf8106002cf7f99966ce68f86d90a9a3"`
[INFO] running `"docker" "rm" "-f" "abc68eae849fc0a0b8efcf917cf7bab5cf8106002cf7f99966ce68f86d90a9a3"`
[INFO] [stdout] abc68eae849fc0a0b8efcf917cf7bab5cf8106002cf7f99966ce68f86d90a9a3
[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/barrylavides/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] ad05c440872cc654de09237c546cd2674161b8efbec4b954409a056c0c921983
[INFO] running `"docker" "start" "-a" "ad05c440872cc654de09237c546cd2674161b8efbec4b954409a056c0c921983"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-e82f553ada5f6148
[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" "ad05c440872cc654de09237c546cd2674161b8efbec4b954409a056c0c921983"`
[INFO] running `"docker" "rm" "-f" "ad05c440872cc654de09237c546cd2674161b8efbec4b954409a056c0c921983"`
[INFO] [stdout] ad05c440872cc654de09237c546cd2674161b8efbec4b954409a056c0c921983