[INFO] updating cached repository wongkoty/guessing_game_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wongkoty/guessing_game_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wongkoty/guessing_game_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/wongkoty/guessing_game_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wongkoty/guessing_game_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wongkoty/guessing_game_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wongkoty/guessing_game_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wongkoty/guessing_game_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2927231e1ad352d73a5ebf0efc47069ffe078fd
[INFO] sha for GitHub repo wongkoty/guessing_game_rust: d2927231e1ad352d73a5ebf0efc47069ffe078fd
[INFO] validating manifest of wongkoty/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 wongkoty/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 wongkoty/guessing_game_rust
[INFO] finished frobbing wongkoty/guessing_game_rust
[INFO] frobbed toml for wongkoty/guessing_game_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/wongkoty/guessing_game_rust/Cargo.toml
[INFO] started frobbing wongkoty/guessing_game_rust
[INFO] finished frobbing wongkoty/guessing_game_rust
[INFO] frobbed toml for wongkoty/guessing_game_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wongkoty/guessing_game_rust/Cargo.toml
[INFO] crate wongkoty/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/wongkoty/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[INFO] the lockfile is outdated, regenerating it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 wongkoty/guessing_game_rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wongkoty/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] aa08d9b920e14915c31cb8ecbb594530126d10ba8802c37e73ea81821e4c3577
[INFO] running `"docker" "start" "-a" "aa08d9b920e14915c31cb8ecbb594530126d10ba8802c37e73ea81821e4c3577"`
[INFO] [stderr]    Compiling guessing_game_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "aa08d9b920e14915c31cb8ecbb594530126d10ba8802c37e73ea81821e4c3577"`
[INFO] running `"docker" "rm" "-f" "aa08d9b920e14915c31cb8ecbb594530126d10ba8802c37e73ea81821e4c3577"`
[INFO] [stdout] aa08d9b920e14915c31cb8ecbb594530126d10ba8802c37e73ea81821e4c3577
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wongkoty/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ae571322fb27c70f8e77dc62b4202d82e4c7e6eb0c833fce70a7346eed749f0e
[INFO] running `"docker" "start" "-a" "ae571322fb27c70f8e77dc62b4202d82e4c7e6eb0c833fce70a7346eed749f0e"`
[INFO] [stderr]    Compiling guessing_game_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "ae571322fb27c70f8e77dc62b4202d82e4c7e6eb0c833fce70a7346eed749f0e"`
[INFO] running `"docker" "rm" "-f" "ae571322fb27c70f8e77dc62b4202d82e4c7e6eb0c833fce70a7346eed749f0e"`
[INFO] [stdout] ae571322fb27c70f8e77dc62b4202d82e4c7e6eb0c833fce70a7346eed749f0e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wongkoty/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e1f4cd8857f7c1dcfe044595caf9bd96dc0f47d1d7cf1ac6a37835b2d064b0ba
[INFO] running `"docker" "start" "-a" "e1f4cd8857f7c1dcfe044595caf9bd96dc0f47d1d7cf1ac6a37835b2d064b0ba"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game_rust-ecf028268a534552
[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" "e1f4cd8857f7c1dcfe044595caf9bd96dc0f47d1d7cf1ac6a37835b2d064b0ba"`
[INFO] running `"docker" "rm" "-f" "e1f4cd8857f7c1dcfe044595caf9bd96dc0f47d1d7cf1ac6a37835b2d064b0ba"`
[INFO] [stdout] e1f4cd8857f7c1dcfe044595caf9bd96dc0f47d1d7cf1ac6a37835b2d064b0ba