[INFO] updating cached repository Zorobay/Rust-Guessing-Game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Zorobay/Rust-Guessing-Game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Zorobay/Rust-Guessing-Game" "work/ex/beta-1.38-1/sources/1.37.0/gh/Zorobay/Rust-Guessing-Game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Zorobay/Rust-Guessing-Game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Zorobay/Rust-Guessing-Game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Zorobay/Rust-Guessing-Game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Zorobay/Rust-Guessing-Game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af7c87dbfee86d065c90f1e3a0b170c68fb58a89
[INFO] sha for GitHub repo Zorobay/Rust-Guessing-Game: af7c87dbfee86d065c90f1e3a0b170c68fb58a89
[INFO] validating manifest of Zorobay/Rust-Guessing-Game 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 Zorobay/Rust-Guessing-Game 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 Zorobay/Rust-Guessing-Game
[INFO] finished frobbing Zorobay/Rust-Guessing-Game
[INFO] frobbed toml for Zorobay/Rust-Guessing-Game written to work/ex/beta-1.38-1/sources/1.37.0/gh/Zorobay/Rust-Guessing-Game/Cargo.toml
[INFO] started frobbing Zorobay/Rust-Guessing-Game
[INFO] finished frobbing Zorobay/Rust-Guessing-Game
[INFO] frobbed toml for Zorobay/Rust-Guessing-Game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Zorobay/Rust-Guessing-Game/Cargo.toml
[INFO] crate Zorobay/Rust-Guessing-Game 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 Zorobay/Rust-Guessing-Game 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Zorobay/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0e9ae2d8142cdc71b88da1fe6046290c0eb777697f3d878ff89a6ea669edc504
[INFO] running `"docker" "start" "-a" "0e9ae2d8142cdc71b88da1fe6046290c0eb777697f3d878ff89a6ea669edc504"`
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |             Err(e) => {println!("Not a number! Try again..."); continue;}
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `"docker" "inspect" "0e9ae2d8142cdc71b88da1fe6046290c0eb777697f3d878ff89a6ea669edc504"`
[INFO] running `"docker" "rm" "-f" "0e9ae2d8142cdc71b88da1fe6046290c0eb777697f3d878ff89a6ea669edc504"`
[INFO] [stdout] 0e9ae2d8142cdc71b88da1fe6046290c0eb777697f3d878ff89a6ea669edc504
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Zorobay/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f678b4208490d01972fe954175310ab41539b9baf07b3d1a3a1f3573fc28ce9e
[INFO] running `"docker" "start" "-a" "f678b4208490d01972fe954175310ab41539b9baf07b3d1a3a1f3573fc28ce9e"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |             Err(e) => {println!("Not a number! Try again..."); continue;}
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "f678b4208490d01972fe954175310ab41539b9baf07b3d1a3a1f3573fc28ce9e"`
[INFO] running `"docker" "rm" "-f" "f678b4208490d01972fe954175310ab41539b9baf07b3d1a3a1f3573fc28ce9e"`
[INFO] [stdout] f678b4208490d01972fe954175310ab41539b9baf07b3d1a3a1f3573fc28ce9e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Zorobay/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] ae00fc5e9f3e765b09a631712c78c0d40c9bc770145e0ab537c5c9b0a0285fb1
[INFO] running `"docker" "start" "-a" "ae00fc5e9f3e765b09a631712c78c0d40c9bc770145e0ab537c5c9b0a0285fb1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-17a3c1bb87adbd67
[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" "ae00fc5e9f3e765b09a631712c78c0d40c9bc770145e0ab537c5c9b0a0285fb1"`
[INFO] running `"docker" "rm" "-f" "ae00fc5e9f3e765b09a631712c78c0d40c9bc770145e0ab537c5c9b0a0285fb1"`
[INFO] [stdout] ae00fc5e9f3e765b09a631712c78c0d40c9bc770145e0ab537c5c9b0a0285fb1