[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] documenting steveslatky/RustAsyncServer against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveslatky%2FRustAsyncServer" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steveslatky/RustAsyncServer on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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-7/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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v0.2.1
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded tokio-core v0.1.9
[INFO] [stderr]   Downloaded tokio-service v0.1.0
[INFO] [stderr]   Downloaded iovec v0.1.0
[INFO] [stderr]   Downloaded tokio-proto v0.1.1
[INFO] [stderr]   Downloaded take v0.1.0
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.30
[INFO] [stderr]   Downloaded mio v0.6.10
[INFO] [stderr]   Downloaded futures v0.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 8ae76cd416cdd8d060548798cb519414b2657b171615ed553c5311cbe13cd0e1
[INFO] running `Command { std: "docker" "start" "-a" "8ae76cd416cdd8d060548798cb519414b2657b171615ed553c5311cbe13cd0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ae76cd416cdd8d060548798cb519414b2657b171615ed553c5311cbe13cd0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae76cd416cdd8d060548798cb519414b2657b171615ed553c5311cbe13cd0e1", kill_on_drop: false }`
[INFO] [stdout] 8ae76cd416cdd8d060548798cb519414b2657b171615ed553c5311cbe13cd0e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbd90bdcc1cebec2a594879734a505ae3e09b242e983ac26d8f8f92345d030ec
[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" "dbd90bdcc1cebec2a594879734a505ae3e09b242e983ac26d8f8f92345d030ec", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[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]  Documenting RustAsyncServer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.08s
[INFO] running `Command { std: "docker" "inspect" "dbd90bdcc1cebec2a594879734a505ae3e09b242e983ac26d8f8f92345d030ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd90bdcc1cebec2a594879734a505ae3e09b242e983ac26d8f8f92345d030ec", kill_on_drop: false }`
[INFO] [stdout] dbd90bdcc1cebec2a594879734a505ae3e09b242e983ac26d8f8f92345d030ec