[INFO] cloning repository https://github.com/web-dom/webcomponent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/web-dom/webcomponent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb-dom%2Fwebcomponent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb-dom%2Fwebcomponent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b8acde96bdf6d34812e3051313fa0980f674bbb
[INFO] building web-dom/webcomponent against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb-dom%2Fwebcomponent" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/web-dom/webcomponent on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/web-dom/webcomponent
[INFO] finished tweaking git repo https://github.com/web-dom/webcomponent
[INFO] tweaked toml for git repo https://github.com/web-dom/webcomponent written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/web-dom/webcomponent already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded web-dom v0.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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] 9809958adde2dd5debd6d76b3015c8ea5ccd2e659f87f98fe2a36937ef926363
[INFO] running `Command { std: "docker" "start" "-a" "9809958adde2dd5debd6d76b3015c8ea5ccd2e659f87f98fe2a36937ef926363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9809958adde2dd5debd6d76b3015c8ea5ccd2e659f87f98fe2a36937ef926363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9809958adde2dd5debd6d76b3015c8ea5ccd2e659f87f98fe2a36937ef926363", kill_on_drop: false }`
[INFO] [stdout] 9809958adde2dd5debd6d76b3015c8ea5ccd2e659f87f98fe2a36937ef926363
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce3ac63b21e98e2070dbb6cea5553733cb616fdf579b435f95407e1254f581e7
[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" "ce3ac63b21e98e2070dbb6cea5553733cb616fdf579b435f95407e1254f581e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling web-dom v0.0.8
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling webcomponent v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0502]: cannot borrow `*controller` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             (controller.processor)(controller, &tag, el);
[INFO] [stdout]    |             ----------------------^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             mutable borrow occurs here
[INFO] [stdout]    |             immutable borrow occurs here
[INFO] [stdout]    |             immutable borrow later used by call
[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 E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webcomponent`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ce3ac63b21e98e2070dbb6cea5553733cb616fdf579b435f95407e1254f581e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3ac63b21e98e2070dbb6cea5553733cb616fdf579b435f95407e1254f581e7", kill_on_drop: false }`
[INFO] [stdout] ce3ac63b21e98e2070dbb6cea5553733cb616fdf579b435f95407e1254f581e7
