[INFO] cloning repository https://github.com/Wint3rmute/tiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wint3rmute/tiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWint3rmute%2Ftiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWint3rmute%2Ftiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d66ed8c2b4af5c955bb62b296c75695b39d4c77
[INFO] checking Wint3rmute/tiler against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWint3rmute%2Ftiler" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wint3rmute/tiler on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wint3rmute/tiler
[INFO] finished tweaking git repo https://github.com/Wint3rmute/tiler
[INFO] tweaked toml for git repo https://github.com/Wint3rmute/tiler written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Wint3rmute/tiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ea44f3a518a0a67bc0f52922d5f35e751a0fcce92a762d3841344e2e6dcf4bb
[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" "9ea44f3a518a0a67bc0f52922d5f35e751a0fcce92a762d3841344e2e6dcf4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ea44f3a518a0a67bc0f52922d5f35e751a0fcce92a762d3841344e2e6dcf4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea44f3a518a0a67bc0f52922d5f35e751a0fcce92a762d3841344e2e6dcf4bb", kill_on_drop: false }`
[INFO] [stdout] 9ea44f3a518a0a67bc0f52922d5f35e751a0fcce92a762d3841344e2e6dcf4bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85162b7a52ae43dcb8b640848029b63de5c46580974654f18eaa910167fed550
[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" "85162b7a52ae43dcb8b640848029b63de5c46580974654f18eaa910167fed550", kill_on_drop: false }`
[INFO] [stderr]     Checking cmd_lib v0.7.8
[INFO] [stderr]     Checking tiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/wmctrl_window.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let window = WmctrlWindow::from_string(line).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "85162b7a52ae43dcb8b640848029b63de5c46580974654f18eaa910167fed550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85162b7a52ae43dcb8b640848029b63de5c46580974654f18eaa910167fed550", kill_on_drop: false }`
[INFO] [stdout] 85162b7a52ae43dcb8b640848029b63de5c46580974654f18eaa910167fed550