[INFO] updating cached repository theaidem/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/theaidem/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/theaidem/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/theaidem/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/theaidem/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/theaidem/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/theaidem/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/theaidem/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 130b79f4a68c9af18f602ac544b34aa274740cdb
[INFO] sha for GitHub repo theaidem/guessing_game: 130b79f4a68c9af18f602ac544b34aa274740cdb
[INFO] validating manifest of theaidem/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 theaidem/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 theaidem/guessing_game
[INFO] finished frobbing theaidem/guessing_game
[INFO] frobbed toml for theaidem/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/theaidem/guessing_game/Cargo.toml
[INFO] started frobbing theaidem/guessing_game
[INFO] finished frobbing theaidem/guessing_game
[INFO] frobbed toml for theaidem/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/theaidem/guessing_game/Cargo.toml
[INFO] crate theaidem/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing theaidem/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-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/theaidem/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] 92b36ef32ab4767e808f07c85153833257af91cf6a3df03f3975c673ee7026fb
[INFO] running `"docker" "start" "-a" "92b36ef32ab4767e808f07c85153833257af91cf6a3df03f3975c673ee7026fb"`
[INFO] [stderr]    Compiling guessing_game v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]  --> src/main.rs:8:51
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let secret_number = (rand::random::<uint>() % 100u) + 1u; // secret_number: i32
[INFO] [stderr]   |                                                   ^^^^ invalid suffix `u`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]  --> src/main.rs:8:59
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let secret_number = (rand::random::<uint>() % 100u) + 1u; // secret_number: i32
[INFO] [stderr]   |                                                           ^^ invalid suffix `u`
[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[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]  --> src/main.rs:8:41
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let secret_number = (rand::random::<uint>() % 100u) + 1u; // secret_number: i32
[INFO] [stderr]   |                                         ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let input_num: Option<uint> = input.trim().parse();
[INFO] [stderr]    |                               ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:43:11
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn cmp(a: uint, b: uint) -> Ordering {
[INFO] [stderr]    |           ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/main.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn cmp(a: uint, b: uint) -> Ordering {
[INFO] [stderr]    |                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 0 parameters were supplied
[INFO] [stderr]   --> src/main.rs:15:33
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let input = io::stdin().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:19:45
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let input_num: Option<uint> = input.trim().parse();
[INFO] [stderr]    |                                             ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0412, 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" "92b36ef32ab4767e808f07c85153833257af91cf6a3df03f3975c673ee7026fb"`
[INFO] running `"docker" "rm" "-f" "92b36ef32ab4767e808f07c85153833257af91cf6a3df03f3975c673ee7026fb"`
[INFO] [stdout] 92b36ef32ab4767e808f07c85153833257af91cf6a3df03f3975c673ee7026fb