[INFO] cloning repository https://github.com/devdouglasonofre/roguerust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devdouglasonofre/roguerust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevdouglasonofre%2Froguerust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevdouglasonofre%2Froguerust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdac63b2195fe8ed89d78b362ce9d424b9a9d975
[INFO] checking devdouglasonofre/roguerust against master#c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c for pr-123737
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevdouglasonofre%2Froguerust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devdouglasonofre/roguerust on toolchain c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devdouglasonofre/roguerust
[INFO] finished tweaking git repo https://github.com/devdouglasonofre/roguerust
[INFO] tweaked toml for git repo https://github.com/devdouglasonofre/roguerust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/devdouglasonofre/roguerust 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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded specs-derive v0.4.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad497dc6390727a938af5daa55ca4e40e82b0d7db643c55f097c2026a6f50b34
[INFO] running `Command { std: "docker" "start" "-a" "ad497dc6390727a938af5daa55ca4e40e82b0d7db643c55f097c2026a6f50b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad497dc6390727a938af5daa55ca4e40e82b0d7db643c55f097c2026a6f50b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad497dc6390727a938af5daa55ca4e40e82b0d7db643c55f097c2026a6f50b34", kill_on_drop: false }`
[INFO] [stdout] ad497dc6390727a938af5daa55ca4e40e82b0d7db643c55f097c2026a6f50b34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f28105c726bbbdf356c141b749889e7f75288fc44863e3f9cb3ae29bf63118e
[INFO] running `Command { std: "docker" "start" "-a" "7f28105c726bbbdf356c141b749889e7f75288fc44863e3f9cb3ae29bf63118e", kill_on_drop: false }`
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[INFO] [stderr]     Checking specs v0.16.1
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[INFO] [stderr]     Checking roguerust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `viewshed`
[INFO] [stdout]   --> src/visibility_system.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |         for (viewshed, pos) in (&mut viewshed, &pos).join() {
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_viewshed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/visibility_system.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |         for (viewshed, pos) in (&mut viewshed, &pos).join() {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeftWalker` is never constructed
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct LeftWalker {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `viewshed`
[INFO] [stdout]   --> src/visibility_system.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |         for (viewshed, pos) in (&mut viewshed, &pos).join() {
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_viewshed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/visibility_system.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |         for (viewshed, pos) in (&mut viewshed, &pos).join() {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeftWalker` is never constructed
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct LeftWalker {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "7f28105c726bbbdf356c141b749889e7f75288fc44863e3f9cb3ae29bf63118e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f28105c726bbbdf356c141b749889e7f75288fc44863e3f9cb3ae29bf63118e", kill_on_drop: false }`
[INFO] [stdout] 7f28105c726bbbdf356c141b749889e7f75288fc44863e3f9cb3ae29bf63118e