[INFO] cloning repository https://github.com/hooman734/Rust-Example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hooman734/Rust-Example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhooman734%2FRust-Example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhooman734%2FRust-Example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84da29dbbcb4d497d99ad58e79f44d620c1fc3a0
[INFO] checking hooman734/Rust-Example against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhooman734%2FRust-Example" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hooman734/Rust-Example on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hooman734/Rust-Example
[INFO] finished tweaking git repo https://github.com/hooman734/Rust-Example
[INFO] tweaked toml for git repo https://github.com/hooman734/Rust-Example written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/hooman734/Rust-Example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4a296845577b8077fdf292415869751c52da0254537d89d0b30190fc7fba304
[INFO] running `Command { std: "docker" "start" "-a" "d4a296845577b8077fdf292415869751c52da0254537d89d0b30190fc7fba304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4a296845577b8077fdf292415869751c52da0254537d89d0b30190fc7fba304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a296845577b8077fdf292415869751c52da0254537d89d0b30190fc7fba304", kill_on_drop: false }`
[INFO] [stdout] d4a296845577b8077fdf292415869751c52da0254537d89d0b30190fc7fba304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b4c9a033ecdf4b34dd47cbb11245fc2ad46559f659c63723299af282f2676fa
[INFO] running `Command { std: "docker" "start" "-a" "3b4c9a033ecdf4b34dd47cbb11245fc2ad46559f659c63723299af282f2676fa", kill_on_drop: false }`
[INFO] [stderr]     Checking hello-world-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/main.rs:117:16
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let (x, y, z, u, v) = tup1; // destructuring the tuple
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/main.rs:117:19
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let (x, y, z, u, v) = tup1; // destructuring the tuple
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let (x, y, z, u, v) = tup1; // destructuring the tuple
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/main.rs:117:16
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let (x, y, z, u, v) = tup1; // destructuring the tuple
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/main.rs:117:19
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let (x, y, z, u, v) = tup1; // destructuring the tuple
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let (x, y, z, u, v) = tup1; // destructuring the tuple
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "3b4c9a033ecdf4b34dd47cbb11245fc2ad46559f659c63723299af282f2676fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4c9a033ecdf4b34dd47cbb11245fc2ad46559f659c63723299af282f2676fa", kill_on_drop: false }`
[INFO] [stdout] 3b4c9a033ecdf4b34dd47cbb11245fc2ad46559f659c63723299af282f2676fa