[INFO] updating cached repository https://github.com/fzzzy/chat-rust-websocket
[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] d157f8c6f9bc632e8e0e926717015188512132b1
[INFO] checking fzzzy/chat-rust-websocket against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzzzy%2Fchat-rust-websocket" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fzzzy/chat-rust-websocket on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fzzzy/chat-rust-websocket
[INFO] finished tweaking git repo https://github.com/fzzzy/chat-rust-websocket
[INFO] tweaked toml for git repo https://github.com/fzzzy/chat-rust-websocket written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/fzzzy/chat-rust-websocket already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 2a9f8ee618a75ecc4d2de3d5d5c9d7bef3c2241a550bfe1b09347471c423a8e3
[INFO] running `"docker" "start" "-a" "2a9f8ee618a75ecc4d2de3d5d5c9d7bef3c2241a550bfe1b09347471c423a8e3"`
[INFO] [stderr]     Checking tokio-tls v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking websocket v0.22.0
[INFO] [stderr]     Checking chat-rust-websocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.36s
[INFO] running `"docker" "inspect" "2a9f8ee618a75ecc4d2de3d5d5c9d7bef3c2241a550bfe1b09347471c423a8e3"`
[INFO] running `"docker" "rm" "-f" "2a9f8ee618a75ecc4d2de3d5d5c9d7bef3c2241a550bfe1b09347471c423a8e3"`
[INFO] [stdout] 2a9f8ee618a75ecc4d2de3d5d5c9d7bef3c2241a550bfe1b09347471c423a8e3