[INFO] updating cached repository https://github.com/steveslatky/RustAsyncServer
[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] 0a3e45a04f299d6e6955e0d29d0c1e8a1a2908ff
[INFO] checking steveslatky/RustAsyncServer against master#b1f395de642e8be7bcbbd2bd8aaadab715851f49 for pr-69410
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveslatky%2FRustAsyncServer" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steveslatky/RustAsyncServer on toolchain b1f395de642e8be7bcbbd2bd8aaadab715851f49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/steveslatky/RustAsyncServer
[INFO] finished tweaking git repo https://github.com/steveslatky/RustAsyncServer
[INFO] tweaked toml for git repo https://github.com/steveslatky/RustAsyncServer written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/steveslatky/RustAsyncServer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "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] ba376ec608f3d8d5efa6ee9ab702bc2fa7cba44d6b77505dd2bfc27b96a1b7d2
[INFO] running `"docker" "start" "-a" "ba376ec608f3d8d5efa6ee9ab702bc2fa7cba44d6b77505dd2bfc27b96a1b7d2"`
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking RustAsyncServer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: crate `RustAsyncServer` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_async_server`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustAsyncServer` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_async_server`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.47s
[INFO] running `"docker" "inspect" "ba376ec608f3d8d5efa6ee9ab702bc2fa7cba44d6b77505dd2bfc27b96a1b7d2"`
[INFO] running `"docker" "rm" "-f" "ba376ec608f3d8d5efa6ee9ab702bc2fa7cba44d6b77505dd2bfc27b96a1b7d2"`
[INFO] [stdout] ba376ec608f3d8d5efa6ee9ab702bc2fa7cba44d6b77505dd2bfc27b96a1b7d2