[INFO] updating cached repository uloing/rust_guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/uloing/rust_guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/uloing/rust_guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/uloing/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/uloing/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/uloing/rust_guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/uloing/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/uloing/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9426d04d8835efb20cf743ea096a1cc86d2f23dc
[INFO] sha for GitHub repo uloing/rust_guessing_game: 9426d04d8835efb20cf743ea096a1cc86d2f23dc
[INFO] validating manifest of uloing/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 uloing/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 uloing/rust_guessing_game
[INFO] finished frobbing uloing/rust_guessing_game
[INFO] frobbed toml for uloing/rust_guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/uloing/rust_guessing_game/Cargo.toml
[INFO] started frobbing uloing/rust_guessing_game
[INFO] finished frobbing uloing/rust_guessing_game
[INFO] frobbed toml for uloing/rust_guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/uloing/rust_guessing_game/Cargo.toml
[INFO] crate uloing/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing uloing/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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/uloing/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] 308de3e7b4390e1fce6e34752623fc299a1447c0e8130dd3502bf0473145d7ae
[INFO] running `"docker" "start" "-a" "308de3e7b4390e1fce6e34752623fc299a1447c0e8130dd3502bf0473145d7ae"`
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `"docker" "inspect" "308de3e7b4390e1fce6e34752623fc299a1447c0e8130dd3502bf0473145d7ae"`
[INFO] running `"docker" "rm" "-f" "308de3e7b4390e1fce6e34752623fc299a1447c0e8130dd3502bf0473145d7ae"`
[INFO] [stdout] 308de3e7b4390e1fce6e34752623fc299a1447c0e8130dd3502bf0473145d7ae
[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/uloing/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] 83c33f6a83db98dbba8e07edf60405cd44413ce59f027ccb746c3b3e93d8a8eb
[INFO] running `"docker" "start" "-a" "83c33f6a83db98dbba8e07edf60405cd44413ce59f027ccb746c3b3e93d8a8eb"`
[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" "83c33f6a83db98dbba8e07edf60405cd44413ce59f027ccb746c3b3e93d8a8eb"`
[INFO] running `"docker" "rm" "-f" "83c33f6a83db98dbba8e07edf60405cd44413ce59f027ccb746c3b3e93d8a8eb"`
[INFO] [stdout] 83c33f6a83db98dbba8e07edf60405cd44413ce59f027ccb746c3b3e93d8a8eb
[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/uloing/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] 8b2ddfd037dc69455d9c4acd270f7e0aa6f369820e7d57a6b10657a74d74fd71
[INFO] running `"docker" "start" "-a" "8b2ddfd037dc69455d9c4acd270f7e0aa6f369820e7d57a6b10657a74d74fd71"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-fac2567196730ee1
[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" "8b2ddfd037dc69455d9c4acd270f7e0aa6f369820e7d57a6b10657a74d74fd71"`
[INFO] running `"docker" "rm" "-f" "8b2ddfd037dc69455d9c4acd270f7e0aa6f369820e7d57a6b10657a74d74fd71"`
[INFO] [stdout] 8b2ddfd037dc69455d9c4acd270f7e0aa6f369820e7d57a6b10657a74d74fd71