[INFO] updating cached repository BenMorganIO/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BenMorganIO/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BenMorganIO/guessing_game" "work/ex/beta-1.37-6/sources/1.36.0/gh/BenMorganIO/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/BenMorganIO/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BenMorganIO/guessing_game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BenMorganIO/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BenMorganIO/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8d43565e9858b626b15b28cea019e34f0ea9b9ad
[INFO] sha for GitHub repo BenMorganIO/guessing_game: 8d43565e9858b626b15b28cea019e34f0ea9b9ad
[INFO] validating manifest of BenMorganIO/guessing_game on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BenMorganIO/guessing_game on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BenMorganIO/guessing_game
[INFO] finished frobbing BenMorganIO/guessing_game
[INFO] frobbed toml for BenMorganIO/guessing_game written to work/ex/beta-1.37-6/sources/1.36.0/gh/BenMorganIO/guessing_game/Cargo.toml
[INFO] started frobbing BenMorganIO/guessing_game
[INFO] finished frobbing BenMorganIO/guessing_game
[INFO] frobbed toml for BenMorganIO/guessing_game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BenMorganIO/guessing_game/Cargo.toml
[INFO] crate BenMorganIO/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing BenMorganIO/guessing_game against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BenMorganIO/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] efbfdc66011b5ba89a96efd52e3da349e28d9ba3e274cf54e5a56e2667a3c786
[INFO] running `"docker" "start" "-a" "efbfdc66011b5ba89a96efd52e3da349e28d9ba3e274cf54e5a56e2667a3c786"`
[INFO] [stderr]    Compiling guessing_game v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: invalid suffix `us` for integer literal
[INFO] [stderr]  --> src/main.rs:8:57
[INFO] [stderr]   |
[INFO] [stderr] 8 |   let secret_number: usize = (rand::random::<usize>() % 100us) + 1us;
[INFO] [stderr]   |                                                         ^^^^^ invalid suffix `us`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `us` for integer literal
[INFO] [stderr]  --> src/main.rs:8:66
[INFO] [stderr]   |
[INFO] [stderr] 8 |   let secret_number: usize = (rand::random::<usize>() % 100us) + 1us;
[INFO] [stderr]   |                                                                  ^^^ invalid suffix `us`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::rand`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::rand;
[INFO] [stderr]   |     ^^^^^^^^^ no `rand` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 0 parameters were supplied
[INFO] [stderr]   --> src/main.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let input = io::stdin().read_line().ok().expect("Failed to read line");
[INFO] [stderr]    |                             ^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `trim` found for type `usize` in the current scope
[INFO] [stderr]   --> src/main.rs:14:42
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let input_num: Option<usize> = input.trim().parse::<usize>();
[INFO] [stderr]    |                                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[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" "efbfdc66011b5ba89a96efd52e3da349e28d9ba3e274cf54e5a56e2667a3c786"`
[INFO] running `"docker" "rm" "-f" "efbfdc66011b5ba89a96efd52e3da349e28d9ba3e274cf54e5a56e2667a3c786"`
[INFO] [stdout] efbfdc66011b5ba89a96efd52e3da349e28d9ba3e274cf54e5a56e2667a3c786