[INFO] cloning repository https://github.com/Milo123459/win_titles_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Milo123459/win_titles_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilo123459%2Fwin_titles_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilo123459%2Fwin_titles_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9def61d12b0d7af4386a8b9f644da9d8c08d51ee
[INFO] testing Milo123459/win_titles_test against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilo123459%2Fwin_titles_test" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Milo123459/win_titles_test on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Milo123459/win_titles_test
[INFO] finished tweaking git repo https://github.com/Milo123459/win_titles_test
[INFO] tweaked toml for git repo https://github.com/Milo123459/win_titles_test written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Milo123459/win_titles_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/HiruNya/window_titles`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 205236ba8f718b5b9b1bb160e541e9ce5d53c86467000686bb27c0d358d696a0
[INFO] running `Command { std: "docker" "start" "-a" "205236ba8f718b5b9b1bb160e541e9ce5d53c86467000686bb27c0d358d696a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "205236ba8f718b5b9b1bb160e541e9ce5d53c86467000686bb27c0d358d696a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "205236ba8f718b5b9b1bb160e541e9ce5d53c86467000686bb27c0d358d696a0", kill_on_drop: false }`
[INFO] [stdout] 205236ba8f718b5b9b1bb160e541e9ce5d53c86467000686bb27c0d358d696a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] 3bc35f2c44378bda8a04a05ecf4d7114acb4cfd79b42ee605b275159f5759d58
[INFO] running `Command { std: "docker" "start" "-a" "3bc35f2c44378bda8a04a05ecf4d7114acb4cfd79b42ee605b275159f5759d58", kill_on_drop: false }`
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling window_titles v0.1.0 (https://github.com/HiruNya/window_titles?branch=process-support#4eec3ad7)
[INFO] [stderr]    Compiling win_titles_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `windows` found for struct `Connection` in the current scope
[INFO] [stdout]  --> src/main.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |         .windows()
[INFO] [stdout]   |          ^^^^^^^ method not found in `Connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `win_titles_test` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3bc35f2c44378bda8a04a05ecf4d7114acb4cfd79b42ee605b275159f5759d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc35f2c44378bda8a04a05ecf4d7114acb4cfd79b42ee605b275159f5759d58", kill_on_drop: false }`
[INFO] [stdout] 3bc35f2c44378bda8a04a05ecf4d7114acb4cfd79b42ee605b275159f5759d58