[INFO] updating cached repository https://github.com/xlnx/loa-frontend
[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] [stderr] From https://github.com/xlnx/loa-frontend
[INFO] [stderr]  * [new branch]      dependabot/npm_and_yarn/websocket-extensions-0.1.4 -> dependabot/npm_and_yarn/websocket-extensions-0.1.4
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d4473ecf6396e6fbfde6a8489794f5e60087982c
[INFO] testing xlnx/loa-frontend against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxlnx%2Floa-frontend" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xlnx/loa-frontend on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/xlnx/loa-frontend
[INFO] finished tweaking git repo https://github.com/xlnx/loa-frontend
[INFO] tweaked toml for git repo https://github.com/xlnx/loa-frontend written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/xlnx/loa-frontend already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 413931f3b2b2198de1e24717174042c39f1c56e1e9f606d6ebc0055c4027530b
[INFO] running `"docker" "start" "-a" "413931f3b2b2198de1e24717174042c39f1c56e1e9f606d6ebc0055c4027530b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling wasm-bindgen v0.2.42
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling wbg-rand v0.4.1
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wbg-rand-0.4.1/src/lib.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![feature(use_extern_macros)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `wbg-rand`.
[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: build failed
[INFO] running `"docker" "inspect" "413931f3b2b2198de1e24717174042c39f1c56e1e9f606d6ebc0055c4027530b"`
[INFO] running `"docker" "rm" "-f" "413931f3b2b2198de1e24717174042c39f1c56e1e9f606d6ebc0055c4027530b"`
[INFO] [stdout] 413931f3b2b2198de1e24717174042c39f1c56e1e9f606d6ebc0055c4027530b