[INFO] cloning repository https://github.com/imkasihf/Rust_Luddo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imkasihf/Rust_Luddo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimkasihf%2FRust_Luddo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimkasihf%2FRust_Luddo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c38090f304823fb32f0397359f918085f3f8ac2
[INFO] checking imkasihf/Rust_Luddo against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimkasihf%2FRust_Luddo" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imkasihf/Rust_Luddo on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imkasihf/Rust_Luddo
[INFO] finished tweaking git repo https://github.com/imkasihf/Rust_Luddo
[INFO] tweaked toml for git repo https://github.com/imkasihf/Rust_Luddo written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/imkasihf/Rust_Luddo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bb1199b2387cbda7e244d7b0bed2bc6491dcfdf9c78fe33a90ea9c00e9cdaaf
[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" "9bb1199b2387cbda7e244d7b0bed2bc6491dcfdf9c78fe33a90ea9c00e9cdaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bb1199b2387cbda7e244d7b0bed2bc6491dcfdf9c78fe33a90ea9c00e9cdaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb1199b2387cbda7e244d7b0bed2bc6491dcfdf9c78fe33a90ea9c00e9cdaaf", kill_on_drop: false }`
[INFO] [stdout] 9bb1199b2387cbda7e244d7b0bed2bc6491dcfdf9c78fe33a90ea9c00e9cdaaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2329ae882fff1cf0fbbddd398afadf8beb74eeffe635629ca1ee617113b68cb
[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" "e2329ae882fff1cf0fbbddd398afadf8beb74eeffe635629ca1ee617113b68cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking Snake_And_Ladder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/main.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | while true{  
[INFO] [stdout]    | ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/main.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | while true{  
[INFO] [stdout]    | ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Snake_And_Ladder` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `snake_and_ladder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `isWin` should have a snake case name
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | let mut isWin = false;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `is_win`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Snake_And_Ladder` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `snake_and_ladder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `isWin` should have a snake case name
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | let mut isWin = false;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `is_win`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "e2329ae882fff1cf0fbbddd398afadf8beb74eeffe635629ca1ee617113b68cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2329ae882fff1cf0fbbddd398afadf8beb74eeffe635629ca1ee617113b68cb", kill_on_drop: false }`
[INFO] [stdout] e2329ae882fff1cf0fbbddd398afadf8beb74eeffe635629ca1ee617113b68cb