[INFO] updating cached repository https://github.com/rahulwa/ludo-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a3891db6d784ff0b286c843f4d1ae750966b59b
[INFO] checking rahulwa/ludo-rs against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahulwa%2Fludo-rs" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rahulwa/ludo-rs on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rahulwa/ludo-rs
[INFO] finished tweaking git repo https://github.com/rahulwa/ludo-rs
[INFO] tweaked toml for git repo https://github.com/rahulwa/ludo-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/rahulwa/ludo-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f1667c5dbe86be590250c152bf45e6705e36c051effa12835c0608d3a7585b0
[INFO] running `"docker" "start" "-a" "9f1667c5dbe86be590250c152bf45e6705e36c051effa12835c0608d3a7585b0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking tui v0.9.4
[INFO] [stderr]     Checking ludo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BarChart`, `Canvas`, `Clear`, `Context`, `Line`, `Modifier`, `Points`, `Rectangle`, `Row`, `Style`, `Table`, `Widget`, `buffer::Buffer`
[INFO] [stderr]   --> src/main.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  |     buffer::Buffer,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 9  |     layout::{Constraint, Direction, Layout, Rect},
[INFO] [stderr] 10 |     style::{Color, Style, Modifier},
[INFO] [stderr]    |                    ^^^^^  ^^^^^^^^
[INFO] [stderr] 11 |     widgets::{
[INFO] [stderr] 12 |         canvas::{Canvas, Context, Line, Rectangle, Points},
[INFO] [stderr]    |                  ^^^^^^  ^^^^^^^  ^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stderr] 13 |         Widget, Block, Borders, BarChart, Clear, Table, Row
[INFO] [stderr]    |         ^^^^^^                  ^^^^^^^^  ^^^^^  ^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BarChart`, `Canvas`, `Clear`, `Context`, `Line`, `Modifier`, `Points`, `Rectangle`, `Row`, `Style`, `Table`, `Widget`, `buffer::Buffer`
[INFO] [stderr]   --> src/main.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  |     buffer::Buffer,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 9  |     layout::{Constraint, Direction, Layout, Rect},
[INFO] [stderr] 10 |     style::{Color, Style, Modifier},
[INFO] [stderr]    |                    ^^^^^  ^^^^^^^^
[INFO] [stderr] 11 |     widgets::{
[INFO] [stderr] 12 |         canvas::{Canvas, Context, Line, Rectangle, Points},
[INFO] [stderr]    |                  ^^^^^^  ^^^^^^^  ^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stderr] 13 |         Widget, Block, Borders, BarChart, Clear, Table, Row
[INFO] [stderr]    |         ^^^^^^                  ^^^^^^^^  ^^^^^  ^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Backend`
[INFO] [stderr]  --> src/main.rs:6:31
[INFO] [stderr]   |
[INFO] [stderr] 6 |     backend::{TermionBackend, Backend},
[INFO] [stderr]   |                               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Backend`
[INFO] [stderr]  --> src/main.rs:6:31
[INFO] [stderr]   |
[INFO] [stderr] 6 |     backend::{TermionBackend, Backend},
[INFO] [stderr]   |                               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_color`
[INFO] [stderr]   --> src/main.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let line_color = Color::White;
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_color`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_color`
[INFO] [stderr]   --> src/main.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let line_color = Color::White;
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_color`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `"docker" "inspect" "9f1667c5dbe86be590250c152bf45e6705e36c051effa12835c0608d3a7585b0"`
[INFO] running `"docker" "rm" "-f" "9f1667c5dbe86be590250c152bf45e6705e36c051effa12835c0608d3a7585b0"`
[INFO] [stdout] 9f1667c5dbe86be590250c152bf45e6705e36c051effa12835c0608d3a7585b0