[INFO] updating cached repository mlk5060/rust_guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mlk5060/rust_guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mlk5060/rust_guessing_game" "work/ex/beta-1.37-6/sources/1.36.0/gh/mlk5060/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mlk5060/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mlk5060/rust_guessing_game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mlk5060/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mlk5060/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2303deaeb77bcafcad8ebd11f4c4add635ef06b0
[INFO] sha for GitHub repo mlk5060/rust_guessing_game: 2303deaeb77bcafcad8ebd11f4c4add635ef06b0
[INFO] validating manifest of mlk5060/rust_guessing_game on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mlk5060/rust_guessing_game on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mlk5060/rust_guessing_game
[INFO] finished frobbing mlk5060/rust_guessing_game
[INFO] frobbed toml for mlk5060/rust_guessing_game written to work/ex/beta-1.37-6/sources/1.36.0/gh/mlk5060/rust_guessing_game/Cargo.toml
[INFO] started frobbing mlk5060/rust_guessing_game
[INFO] finished frobbing mlk5060/rust_guessing_game
[INFO] frobbed toml for mlk5060/rust_guessing_game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mlk5060/rust_guessing_game/Cargo.toml
[INFO] crate mlk5060/rust_guessing_game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mlk5060/rust_guessing_game/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mlk5060/rust_guessing_game against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mlk5060/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 158be1ad9e5ab41ca3a0112a4a125317825a1e9d14cd496e059915ac829c16aa
[INFO] running `"docker" "start" "-a" "158be1ad9e5ab41ca3a0112a4a125317825a1e9d14cd496e059915ac829c16aa"`
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.0
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `"docker" "inspect" "158be1ad9e5ab41ca3a0112a4a125317825a1e9d14cd496e059915ac829c16aa"`
[INFO] running `"docker" "rm" "-f" "158be1ad9e5ab41ca3a0112a4a125317825a1e9d14cd496e059915ac829c16aa"`
[INFO] [stdout] 158be1ad9e5ab41ca3a0112a4a125317825a1e9d14cd496e059915ac829c16aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mlk5060/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dac6aa7ab9e50f3c692f51eb24394b02203877833a0697711f61e71a464a2a32
[INFO] running `"docker" "start" "-a" "dac6aa7ab9e50f3c692f51eb24394b02203877833a0697711f61e71a464a2a32"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "dac6aa7ab9e50f3c692f51eb24394b02203877833a0697711f61e71a464a2a32"`
[INFO] running `"docker" "rm" "-f" "dac6aa7ab9e50f3c692f51eb24394b02203877833a0697711f61e71a464a2a32"`
[INFO] [stdout] dac6aa7ab9e50f3c692f51eb24394b02203877833a0697711f61e71a464a2a32
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mlk5060/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f2d82a7e9e4cfe118019d1120b444a92c3e3ef32dfbdc4f0dcfac621e24938dd
[INFO] running `"docker" "start" "-a" "f2d82a7e9e4cfe118019d1120b444a92c3e3ef32dfbdc4f0dcfac621e24938dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-48842733856fc1af
[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" "f2d82a7e9e4cfe118019d1120b444a92c3e3ef32dfbdc4f0dcfac621e24938dd"`
[INFO] running `"docker" "rm" "-f" "f2d82a7e9e4cfe118019d1120b444a92c3e3ef32dfbdc4f0dcfac621e24938dd"`
[INFO] [stdout] f2d82a7e9e4cfe118019d1120b444a92c3e3ef32dfbdc4f0dcfac621e24938dd