[INFO] cloning repository https://github.com/tthorn/GuessingGame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tthorn/GuessingGame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftthorn%2FGuessingGame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftthorn%2FGuessingGame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c6c690a62e2cdf3ed8c2accb18f09d8e71c6dad
[INFO] documenting tthorn/GuessingGame against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftthorn%2FGuessingGame" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tthorn/GuessingGame on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tthorn/GuessingGame
[INFO] finished tweaking git repo https://github.com/tthorn/GuessingGame
[INFO] tweaked toml for git repo https://github.com/tthorn/GuessingGame written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tthorn/GuessingGame already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fa5320a255fa5833999e9e1fb7c223f87f81d5d98ff28e344351e4e680fdbbb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3fa5320a255fa5833999e9e1fb7c223f87f81d5d98ff28e344351e4e680fdbbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa5320a255fa5833999e9e1fb7c223f87f81d5d98ff28e344351e4e680fdbbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa5320a255fa5833999e9e1fb7c223f87f81d5d98ff28e344351e4e680fdbbb", kill_on_drop: false }`
[INFO] [stdout] 3fa5320a255fa5833999e9e1fb7c223f87f81d5d98ff28e344351e4e680fdbbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed461fad875a0819d26d1c0d210f0e2eb36502cef7a6714fc942a0a8ae8304bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ed461fad875a0819d26d1c0d210f0e2eb36502cef7a6714fc942a0a8ae8304bf", kill_on_drop: false }`
[INFO] [stderr]  Documenting GuessingGame v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]  --> src/main.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |   let mut lower = 1u;
[INFO] [stdout]   |                   ^^ invalid suffix `u`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/main.rs:12:43
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let toGuess = (rand::random::<uint>() % 100u) + 1u;
[INFO] [stdout]    |                                           ^^^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/main.rs:12:51
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let toGuess = (rand::random::<uint>() % 100u) + 1u;
[INFO] [stdout]    |                                                   ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `return`
[INFO] [stdout]   --> src/main.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 26 |       println!("Please input a number.")
[INFO] [stdout]    |                                         - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 27 |       return;
[INFO] [stdout]    |       ^^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::rand`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::rand;
[INFO] [stdout]   |     ^^^^^^^^^ no `rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/main.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn compare(a: uint, b: uint) -> Ordering {
[INFO] [stdout]    |               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/main.rs:47:24
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn compare(a: uint, b: uint) -> Ordering {
[INFO] [stdout]    |                        ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Ordering` in this scope
[INFO] [stdout]   --> src/main.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn compare(a: uint, b: uint) -> Ordering {
[INFO] [stdout]    |                                 ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::cmp::Ordering;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::sync::atomic::Ordering;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `GuessingGame`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name GuessingGame src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "ed461fad875a0819d26d1c0d210f0e2eb36502cef7a6714fc942a0a8ae8304bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed461fad875a0819d26d1c0d210f0e2eb36502cef7a6714fc942a0a8ae8304bf", kill_on_drop: false }`
[INFO] [stdout] ed461fad875a0819d26d1c0d210f0e2eb36502cef7a6714fc942a0a8ae8304bf