[INFO] updating cached repository hasanjafri/NumberGuess-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hasanjafri/NumberGuess-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hasanjafri/NumberGuess-Rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/hasanjafri/NumberGuess-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hasanjafri/NumberGuess-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hasanjafri/NumberGuess-Rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hasanjafri/NumberGuess-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hasanjafri/NumberGuess-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 799018f04061528d6c8fa07f7350cafd4130e02a
[INFO] sha for GitHub repo hasanjafri/NumberGuess-Rust: 799018f04061528d6c8fa07f7350cafd4130e02a
[INFO] validating manifest of hasanjafri/NumberGuess-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 hasanjafri/NumberGuess-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 hasanjafri/NumberGuess-Rust
[INFO] finished frobbing hasanjafri/NumberGuess-Rust
[INFO] frobbed toml for hasanjafri/NumberGuess-Rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/hasanjafri/NumberGuess-Rust/Cargo.toml
[INFO] started frobbing hasanjafri/NumberGuess-Rust
[INFO] finished frobbing hasanjafri/NumberGuess-Rust
[INFO] frobbed toml for hasanjafri/NumberGuess-Rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hasanjafri/NumberGuess-Rust/Cargo.toml
[INFO] crate hasanjafri/NumberGuess-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 hasanjafri/NumberGuess-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-3/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/hasanjafri/NumberGuess-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] 947d14ba127bc1880d79516b72c24c95107fddd5a3ba98cad0e9bc9b388250a9
[INFO] running `"docker" "start" "-a" "947d14ba127bc1880d79516b72c24c95107fddd5a3ba98cad0e9bc9b388250a9"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "947d14ba127bc1880d79516b72c24c95107fddd5a3ba98cad0e9bc9b388250a9"`
[INFO] running `"docker" "rm" "-f" "947d14ba127bc1880d79516b72c24c95107fddd5a3ba98cad0e9bc9b388250a9"`
[INFO] [stdout] 947d14ba127bc1880d79516b72c24c95107fddd5a3ba98cad0e9bc9b388250a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/hasanjafri/NumberGuess-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] 4bd29d32c6a08c86adf91b51b4abcdd70163188d0b7e1dcda89068dc02438e96
[INFO] running `"docker" "start" "-a" "4bd29d32c6a08c86adf91b51b4abcdd70163188d0b7e1dcda89068dc02438e96"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "4bd29d32c6a08c86adf91b51b4abcdd70163188d0b7e1dcda89068dc02438e96"`
[INFO] running `"docker" "rm" "-f" "4bd29d32c6a08c86adf91b51b4abcdd70163188d0b7e1dcda89068dc02438e96"`
[INFO] [stdout] 4bd29d32c6a08c86adf91b51b4abcdd70163188d0b7e1dcda89068dc02438e96
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/hasanjafri/NumberGuess-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] e8f5272c42b340e3fef99827f6330131453fa0da6e8fd45e99ecd0470cbe4af3
[INFO] running `"docker" "start" "-a" "e8f5272c42b340e3fef99827f6330131453fa0da6e8fd45e99ecd0470cbe4af3"`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-8b1946e8ba935a03
[INFO] running `"docker" "inspect" "e8f5272c42b340e3fef99827f6330131453fa0da6e8fd45e99ecd0470cbe4af3"`
[INFO] running `"docker" "rm" "-f" "e8f5272c42b340e3fef99827f6330131453fa0da6e8fd45e99ecd0470cbe4af3"`
[INFO] [stdout] e8f5272c42b340e3fef99827f6330131453fa0da6e8fd45e99ecd0470cbe4af3