[INFO] cloning repository https://github.com/ShounakDeshmukh/chatserver_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShounakDeshmukh/chatserver_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShounakDeshmukh%2Fchatserver_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShounakDeshmukh%2Fchatserver_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac1ff7991779d8277dcbb456a4143aa520ce2eb6
[INFO] checking ShounakDeshmukh/chatserver_rust against master#c1feb3eceef7d5f0126c309a87062cf413fe0a25 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShounakDeshmukh%2Fchatserver_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShounakDeshmukh/chatserver_rust on toolchain c1feb3eceef7d5f0126c309a87062cf413fe0a25
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShounakDeshmukh/chatserver_rust
[INFO] finished tweaking git repo https://github.com/ShounakDeshmukh/chatserver_rust
[INFO] tweaked toml for git repo https://github.com/ShounakDeshmukh/chatserver_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ShounakDeshmukh/chatserver_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking ShounakDeshmukh/chatserver_rust against try#0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShounakDeshmukh%2Fchatserver_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShounakDeshmukh/chatserver_rust on toolchain 0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShounakDeshmukh/chatserver_rust
[INFO] finished tweaking git repo https://github.com/ShounakDeshmukh/chatserver_rust
[INFO] tweaked toml for git repo https://github.com/ShounakDeshmukh/chatserver_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ShounakDeshmukh/chatserver_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking ShounakDeshmukh/chatserver_rust against try#0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShounakDeshmukh%2Fchatserver_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShounakDeshmukh/chatserver_rust on toolchain 0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShounakDeshmukh/chatserver_rust
[INFO] finished tweaking git repo https://github.com/ShounakDeshmukh/chatserver_rust
[INFO] tweaked toml for git repo https://github.com/ShounakDeshmukh/chatserver_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ShounakDeshmukh/chatserver_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 030c20e0f379a4f8eb5df8af51083a2a019e9bc489943246b8f43d286499f471
[INFO] running `Command { std: "docker" "start" "-a" "030c20e0f379a4f8eb5df8af51083a2a019e9bc489943246b8f43d286499f471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "030c20e0f379a4f8eb5df8af51083a2a019e9bc489943246b8f43d286499f471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030c20e0f379a4f8eb5df8af51083a2a019e9bc489943246b8f43d286499f471", kill_on_drop: false }`
[INFO] [stdout] 030c20e0f379a4f8eb5df8af51083a2a019e9bc489943246b8f43d286499f471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7057a31729abe33a81232e99b9f762669bba5607a7bfae6226520bff1ea2a81b
[INFO] running `Command { std: "docker" "start" "-a" "7057a31729abe33a81232e99b9f762669bba5607a7bfae6226520bff1ea2a81b", kill_on_drop: false }`
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.29.1
[INFO] [stderr]     Checking chatapp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "7057a31729abe33a81232e99b9f762669bba5607a7bfae6226520bff1ea2a81b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7057a31729abe33a81232e99b9f762669bba5607a7bfae6226520bff1ea2a81b", kill_on_drop: false }`
[INFO] [stdout] 7057a31729abe33a81232e99b9f762669bba5607a7bfae6226520bff1ea2a81b