[INFO] updating cached repository dcarral/guessing-game-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dcarral/guessing-game-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dcarral/guessing-game-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/dcarral/guessing-game-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dcarral/guessing-game-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dcarral/guessing-game-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dcarral/guessing-game-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dcarral/guessing-game-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bae4d9650ba4ac0fea8838a1bff29b48722473e1
[INFO] sha for GitHub repo dcarral/guessing-game-rust: bae4d9650ba4ac0fea8838a1bff29b48722473e1
[INFO] validating manifest of dcarral/guessing-game-rust 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 dcarral/guessing-game-rust 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 dcarral/guessing-game-rust
[INFO] finished frobbing dcarral/guessing-game-rust
[INFO] frobbed toml for dcarral/guessing-game-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/dcarral/guessing-game-rust/Cargo.toml
[INFO] started frobbing dcarral/guessing-game-rust
[INFO] finished frobbing dcarral/guessing-game-rust
[INFO] frobbed toml for dcarral/guessing-game-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dcarral/guessing-game-rust/Cargo.toml
[INFO] crate dcarral/guessing-game-rust 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dcarral/guessing-game-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 dcarral/guessing-game-rust 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dcarral/guessing-game-rust:/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] ab167c29080f6ab9fbc923cbc068d53d240dfad20397acae20214330f7eda2e0
[INFO] running `"docker" "start" "-a" "ab167c29080f6ab9fbc923cbc068d53d240dfad20397acae20214330f7eda2e0"`
[INFO] [stderr]    Compiling guessing-game-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "ab167c29080f6ab9fbc923cbc068d53d240dfad20397acae20214330f7eda2e0"`
[INFO] running `"docker" "rm" "-f" "ab167c29080f6ab9fbc923cbc068d53d240dfad20397acae20214330f7eda2e0"`
[INFO] [stdout] ab167c29080f6ab9fbc923cbc068d53d240dfad20397acae20214330f7eda2e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dcarral/guessing-game-rust:/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] 02afa52548c6b980fa2753dbc032f1206a09200b2482db6bbfa19818732c05ed
[INFO] running `"docker" "start" "-a" "02afa52548c6b980fa2753dbc032f1206a09200b2482db6bbfa19818732c05ed"`
[INFO] [stderr]    Compiling guessing-game-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "02afa52548c6b980fa2753dbc032f1206a09200b2482db6bbfa19818732c05ed"`
[INFO] running `"docker" "rm" "-f" "02afa52548c6b980fa2753dbc032f1206a09200b2482db6bbfa19818732c05ed"`
[INFO] [stdout] 02afa52548c6b980fa2753dbc032f1206a09200b2482db6bbfa19818732c05ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dcarral/guessing-game-rust:/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] 0a6731e8b86620e688fa1d2b2559a8b92079055ac66a9bc736cacabb40c8df0d
[INFO] running `"docker" "start" "-a" "0a6731e8b86620e688fa1d2b2559a8b92079055ac66a9bc736cacabb40c8df0d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game_rust-c0b97fac2653a1ab
[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" "0a6731e8b86620e688fa1d2b2559a8b92079055ac66a9bc736cacabb40c8df0d"`
[INFO] running `"docker" "rm" "-f" "0a6731e8b86620e688fa1d2b2559a8b92079055ac66a9bc736cacabb40c8df0d"`
[INFO] [stdout] 0a6731e8b86620e688fa1d2b2559a8b92079055ac66a9bc736cacabb40c8df0d