[INFO] updating cached repository RaspberryCheesecake/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RaspberryCheesecake/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RaspberryCheesecake/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/RaspberryCheesecake/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RaspberryCheesecake/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RaspberryCheesecake/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RaspberryCheesecake/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RaspberryCheesecake/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ed6a6fc4022bfbe0adbc6f550d3b9c9f45a5004
[INFO] sha for GitHub repo RaspberryCheesecake/guessing_game: 4ed6a6fc4022bfbe0adbc6f550d3b9c9f45a5004
[INFO] validating manifest of RaspberryCheesecake/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 RaspberryCheesecake/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 RaspberryCheesecake/guessing_game
[INFO] finished frobbing RaspberryCheesecake/guessing_game
[INFO] frobbed toml for RaspberryCheesecake/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/RaspberryCheesecake/guessing_game/Cargo.toml
[INFO] started frobbing RaspberryCheesecake/guessing_game
[INFO] finished frobbing RaspberryCheesecake/guessing_game
[INFO] frobbed toml for RaspberryCheesecake/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RaspberryCheesecake/guessing_game/Cargo.toml
[INFO] crate RaspberryCheesecake/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 RaspberryCheesecake/guessing_game 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-6/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/RaspberryCheesecake/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 8b970e5376e0b73f695114d61bc05cefe1c009a5c71fb9c36cdfdad652e59563
[INFO] running `"docker" "start" "-a" "8b970e5376e0b73f695114d61bc05cefe1c009a5c71fb9c36cdfdad652e59563"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "8b970e5376e0b73f695114d61bc05cefe1c009a5c71fb9c36cdfdad652e59563"`
[INFO] running `"docker" "rm" "-f" "8b970e5376e0b73f695114d61bc05cefe1c009a5c71fb9c36cdfdad652e59563"`
[INFO] [stdout] 8b970e5376e0b73f695114d61bc05cefe1c009a5c71fb9c36cdfdad652e59563
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/RaspberryCheesecake/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5e185b4adbb872128e530e3169c9b42a9a6f2d519612f55cc196eb15a94565f
[INFO] running `"docker" "start" "-a" "d5e185b4adbb872128e530e3169c9b42a9a6f2d519612f55cc196eb15a94565f"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find function `random_comparison_win` in this scope
[INFO] [stderr]   --> src/main.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let result = random_comparison_win(num, num);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use random_comparison_win;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `YAY` in this scope
[INFO] [stderr]   --> src/main.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 63 |         assert_eq!(result, YAY);
[INFO] [stderr]    |                            ^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use YAY;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `random_comparison_win` in this scope
[INFO] [stderr]   --> src/main.rs:69:15
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let result = random_comparison_win(num, other_num);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use random_comparison_win;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `YAY` in this scope
[INFO] [stderr]   --> src/main.rs:70:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |     assert_ne!(result, YAY);
[INFO] [stderr]    |                        ^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use YAY;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_range` found for type `rand::ThreadRng` in the current scope
[INFO] [stderr]   --> src/main.rs:61:36
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let num: u32 = rand::thread_rng().gen_range(1, 101);
[INFO] [stderr]    |                                       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]            `use rand::Rng;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_range` found for type `rand::ThreadRng` in the current scope
[INFO] [stderr]   --> src/main.rs:67:36
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let num: u32 = rand::thread_rng().gen_range(1, 101);
[INFO] [stderr]    |                                       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]            `use rand::Rng;`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `guessing_game`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d5e185b4adbb872128e530e3169c9b42a9a6f2d519612f55cc196eb15a94565f"`
[INFO] running `"docker" "rm" "-f" "d5e185b4adbb872128e530e3169c9b42a9a6f2d519612f55cc196eb15a94565f"`
[INFO] [stdout] d5e185b4adbb872128e530e3169c9b42a9a6f2d519612f55cc196eb15a94565f