[INFO] updating cached repository https://github.com/web-dom/webcomponent [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7b8acde96bdf6d34812e3051313fa0980f674bbb [INFO] checking web-dom/webcomponent against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb-dom%2Fwebcomponent" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/web-dom/webcomponent on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [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-1/source/Cargo.toml [INFO] crate git repo https://github.com/web-dom/webcomponent already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c6c53ff315c215c7802fbab5d9b6b25ee05d5757c7ad281df260bcb485ae39df [INFO] running `"docker" "start" "-a" "c6c53ff315c215c7802fbab5d9b6b25ee05d5757c7ad281df260bcb485ae39df"` [INFO] [stderr] Checking web-dom v0.0.8 [INFO] [stderr] Checking webcomponent v0.3.3 (/opt/rustwide/workdir) [INFO] [stderr] error[E0502]: cannot borrow `*controller` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | (controller.processor)(controller, &tag, el); [INFO] [stderr] | ----------------------^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | immutable borrow occurs here [INFO] [stderr] | immutable borrow later used by call [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0502`. [INFO] [stderr] error: could not compile `webcomponent`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0502]: cannot borrow `*controller` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | (controller.processor)(controller, &tag, el); [INFO] [stderr] | ----------------------^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | immutable borrow occurs here [INFO] [stderr] | immutable borrow later used by call [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0502`. [INFO] [stderr] error: could not compile `webcomponent`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "c6c53ff315c215c7802fbab5d9b6b25ee05d5757c7ad281df260bcb485ae39df"` [INFO] running `"docker" "rm" "-f" "c6c53ff315c215c7802fbab5d9b6b25ee05d5757c7ad281df260bcb485ae39df"` [INFO] [stdout] c6c53ff315c215c7802fbab5d9b6b25ee05d5757c7ad281df260bcb485ae39df