[INFO] cloning repository https://github.com/steveslatky/RustAsyncServer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steveslatky/RustAsyncServer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveslatky%2FRustAsyncServer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveslatky%2FRustAsyncServer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a3e45a04f299d6e6955e0d29d0c1e8a1a2908ff
[INFO] checking steveslatky/RustAsyncServer against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveslatky%2FRustAsyncServer" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steveslatky/RustAsyncServer on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] crate git repo https://github.com/steveslatky/RustAsyncServer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 88455cf8e54fa536d3339fdad79c6f7eb504a3f2c7ee780f9bd20495c5b69b64
[INFO] running `Command { std: "docker" "start" "-a" "88455cf8e54fa536d3339fdad79c6f7eb504a3f2c7ee780f9bd20495c5b69b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88455cf8e54fa536d3339fdad79c6f7eb504a3f2c7ee780f9bd20495c5b69b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88455cf8e54fa536d3339fdad79c6f7eb504a3f2c7ee780f9bd20495c5b69b64", kill_on_drop: false }`
[INFO] [stdout] 88455cf8e54fa536d3339fdad79c6f7eb504a3f2c7ee780f9bd20495c5b69b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bda939818c338cdd0ef405cc8be82f47b131f66f31f31dd39b2b11a793a330a
[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" "4bda939818c338cdd0ef405cc8be82f47b131f66f31f31dd39b2b11a793a330a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking rand v0.3.16
[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] [stdout] warning: crate `RustAsyncServer` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_async_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RustAsyncServer` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_async_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "4bda939818c338cdd0ef405cc8be82f47b131f66f31f31dd39b2b11a793a330a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bda939818c338cdd0ef405cc8be82f47b131f66f31f31dd39b2b11a793a330a", kill_on_drop: false }`
[INFO] [stdout] 4bda939818c338cdd0ef405cc8be82f47b131f66f31f31dd39b2b11a793a330a