[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] building rahulwa/ludo-rs against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahulwa%2Fludo-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rahulwa/ludo-rs on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tui v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c847e34922da5c5d3845714dfe826e78df53098f0a42b4de57c8ef4b419c5cf0
[INFO] running `Command { std: "docker" "start" "-a" "c847e34922da5c5d3845714dfe826e78df53098f0a42b4de57c8ef4b419c5cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c847e34922da5c5d3845714dfe826e78df53098f0a42b4de57c8ef4b419c5cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c847e34922da5c5d3845714dfe826e78df53098f0a42b4de57c8ef4b419c5cf0", kill_on_drop: false }`
[INFO] [stdout] c847e34922da5c5d3845714dfe826e78df53098f0a42b4de57c8ef4b419c5cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93bae3a13d28c73cd4cd2bd979d0bc7ec03696e15a725df0d9e9cc6b8e1f69e3
[INFO] running `Command { std: "docker" "start" "-a" "93bae3a13d28c73cd4cd2bd979d0bc7ec03696e15a725df0d9e9cc6b8e1f69e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling tui v0.9.4
[INFO] [stderr]    Compiling 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`, and `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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "93bae3a13d28c73cd4cd2bd979d0bc7ec03696e15a725df0d9e9cc6b8e1f69e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93bae3a13d28c73cd4cd2bd979d0bc7ec03696e15a725df0d9e9cc6b8e1f69e3", kill_on_drop: false }`
[INFO] [stdout] 93bae3a13d28c73cd4cd2bd979d0bc7ec03696e15a725df0d9e9cc6b8e1f69e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6b3e18b47ad2bcfb8f7b2c2cb05bfab519e33ddc9dd3ae96d6d6a607b16486b
[INFO] running `Command { std: "docker" "start" "-a" "b6b3e18b47ad2bcfb8f7b2c2cb05bfab519e33ddc9dd3ae96d6d6a607b16486b", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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`, and `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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "b6b3e18b47ad2bcfb8f7b2c2cb05bfab519e33ddc9dd3ae96d6d6a607b16486b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b3e18b47ad2bcfb8f7b2c2cb05bfab519e33ddc9dd3ae96d6d6a607b16486b", kill_on_drop: false }`
[INFO] [stdout] b6b3e18b47ad2bcfb8f7b2c2cb05bfab519e33ddc9dd3ae96d6d6a607b16486b