[INFO] cloning repository https://github.com/rahulwa/ludo-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rahulwa/ludo-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahulwa%2Fludo-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahulwa%2Fludo-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a3891db6d784ff0b286c843f4d1ae750966b59b
[INFO] checking rahulwa/ludo-rs against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahulwa%2Fludo-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rahulwa/ludo-rs 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/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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rahulwa/ludo-rs 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aed2ebad60bf11624d05c8ab96f0ed273c93e4a4f95f4ac9d76a4c156abd7093
[INFO] running `Command { std: "docker" "start" "-a" "aed2ebad60bf11624d05c8ab96f0ed273c93e4a4f95f4ac9d76a4c156abd7093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aed2ebad60bf11624d05c8ab96f0ed273c93e4a4f95f4ac9d76a4c156abd7093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed2ebad60bf11624d05c8ab96f0ed273c93e4a4f95f4ac9d76a4c156abd7093", kill_on_drop: false }`
[INFO] [stdout] aed2ebad60bf11624d05c8ab96f0ed273c93e4a4f95f4ac9d76a4c156abd7093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ddaa8033c15f386b4271f85fac2efb15bc8f089f9fce273cb020dfd8c72d4d08
[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" "ddaa8033c15f386b4271f85fac2efb15bc8f089f9fce273cb020dfd8c72d4d08", kill_on_drop: false }`
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking cassowary v0.3.0
[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] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BarChart`, `Canvas`, `Clear`, `Context`, `Line`, `Modifier`, `Points`, `Rectangle`, `Row`, `Style`, `Table`, `Widget`, `buffer::Buffer`
[INFO] [stdout]   --> src/main.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     buffer::Buffer,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     layout::{Constraint, Direction, Layout, Rect},
[INFO] [stdout] 10 |     style::{Color, Style, Modifier},
[INFO] [stdout]    |                    ^^^^^  ^^^^^^^^
[INFO] [stdout] 11 |     widgets::{
[INFO] [stdout] 12 |         canvas::{Canvas, Context, Line, Rectangle, Points},
[INFO] [stdout]    |                  ^^^^^^  ^^^^^^^  ^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 13 |         Widget, Block, Borders, BarChart, Clear, Table, Row
[INFO] [stdout]    |         ^^^^^^                  ^^^^^^^^  ^^^^^  ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BarChart`, `Canvas`, `Clear`, `Context`, `Line`, `Modifier`, `Points`, `Rectangle`, `Row`, `Style`, `Table`, `Widget`, `buffer::Buffer`
[INFO] [stdout]   --> src/main.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     buffer::Buffer,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     layout::{Constraint, Direction, Layout, Rect},
[INFO] [stdout] 10 |     style::{Color, Style, Modifier},
[INFO] [stdout]    |                    ^^^^^  ^^^^^^^^
[INFO] [stdout] 11 |     widgets::{
[INFO] [stdout] 12 |         canvas::{Canvas, Context, Line, Rectangle, Points},
[INFO] [stdout]    |                  ^^^^^^  ^^^^^^^  ^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 13 |         Widget, Block, Borders, BarChart, Clear, Table, Row
[INFO] [stdout]    |         ^^^^^^                  ^^^^^^^^  ^^^^^  ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Backend`
[INFO] [stdout]  --> src/main.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 |     backend::{TermionBackend, Backend},
[INFO] [stdout]   |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_color`
[INFO] [stdout]   --> src/main.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let line_color = Color::White;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_color`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Backend`
[INFO] [stdout]  --> src/main.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 |     backend::{TermionBackend, Backend},
[INFO] [stdout]   |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_color`
[INFO] [stdout]   --> src/main.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let line_color = Color::White;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_color`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `Command { std: "docker" "inspect" "ddaa8033c15f386b4271f85fac2efb15bc8f089f9fce273cb020dfd8c72d4d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddaa8033c15f386b4271f85fac2efb15bc8f089f9fce273cb020dfd8c72d4d08", kill_on_drop: false }`
[INFO] [stdout] ddaa8033c15f386b4271f85fac2efb15bc8f089f9fce273cb020dfd8c72d4d08