[INFO] updating cached repository NikolaBorislavovHristov/guessing-game-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NikolaBorislavovHristov/guessing-game-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NikolaBorislavovHristov/guessing-game-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/NikolaBorislavovHristov/guessing-game-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/NikolaBorislavovHristov/guessing-game-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NikolaBorislavovHristov/guessing-game-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NikolaBorislavovHristov/guessing-game-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NikolaBorislavovHristov/guessing-game-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 960b996081a29f584310a6fa20fb3f1b5140c52c
[INFO] sha for GitHub repo NikolaBorislavovHristov/guessing-game-rust: 960b996081a29f584310a6fa20fb3f1b5140c52c
[INFO] validating manifest of NikolaBorislavovHristov/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 NikolaBorislavovHristov/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 NikolaBorislavovHristov/guessing-game-rust
[INFO] finished frobbing NikolaBorislavovHristov/guessing-game-rust
[INFO] frobbed toml for NikolaBorislavovHristov/guessing-game-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/NikolaBorislavovHristov/guessing-game-rust/Cargo.toml
[INFO] started frobbing NikolaBorislavovHristov/guessing-game-rust
[INFO] finished frobbing NikolaBorislavovHristov/guessing-game-rust
[INFO] frobbed toml for NikolaBorislavovHristov/guessing-game-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NikolaBorislavovHristov/guessing-game-rust/Cargo.toml
[INFO] crate NikolaBorislavovHristov/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing NikolaBorislavovHristov/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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/NikolaBorislavovHristov/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] af5764669bb03e2bb06daf58581534613f75bba5d17489475626fe305681b59f
[INFO] running `"docker" "start" "-a" "af5764669bb03e2bb06daf58581534613f75bba5d17489475626fe305681b59f"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.48
[INFO] [stderr]    Compiling bumpalo v2.5.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.48
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling pulldown-cmark v0.5.2
[INFO] [stderr]    Compiling enclose v1.1.6
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.48
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.48
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.48
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.48
[INFO] [stderr]    Compiling web-sys v0.3.25
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling js-sys v0.3.25
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.3.25
[INFO] [stderr]    Compiling seed v0.3.7
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `"docker" "inspect" "af5764669bb03e2bb06daf58581534613f75bba5d17489475626fe305681b59f"`
[INFO] running `"docker" "rm" "-f" "af5764669bb03e2bb06daf58581534613f75bba5d17489475626fe305681b59f"`
[INFO] [stdout] af5764669bb03e2bb06daf58581534613f75bba5d17489475626fe305681b59f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/NikolaBorislavovHristov/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] 689eaf9bc6abac9533be2d2b21e6e4cec0a38a75400d338bfcb60002e05ea5af
[INFO] running `"docker" "start" "-a" "689eaf9bc6abac9533be2d2b21e6e4cec0a38a75400d338bfcb60002e05ea5af"`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "689eaf9bc6abac9533be2d2b21e6e4cec0a38a75400d338bfcb60002e05ea5af"`
[INFO] running `"docker" "rm" "-f" "689eaf9bc6abac9533be2d2b21e6e4cec0a38a75400d338bfcb60002e05ea5af"`
[INFO] [stdout] 689eaf9bc6abac9533be2d2b21e6e4cec0a38a75400d338bfcb60002e05ea5af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/NikolaBorislavovHristov/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] 81dc4989aab6d0a6d0b77cdcdae8d30a239cdbcad772de9155802fc72e2dc6e0
[INFO] running `"docker" "start" "-a" "81dc4989aab6d0a6d0b77cdcdae8d30a239cdbcad772de9155802fc72e2dc6e0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-7baf48d6150af8cd
[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" "81dc4989aab6d0a6d0b77cdcdae8d30a239cdbcad772de9155802fc72e2dc6e0"`
[INFO] running `"docker" "rm" "-f" "81dc4989aab6d0a6d0b77cdcdae8d30a239cdbcad772de9155802fc72e2dc6e0"`
[INFO] [stdout] 81dc4989aab6d0a6d0b77cdcdae8d30a239cdbcad772de9155802fc72e2dc6e0