[INFO] cloning repository https://github.com/Inalegwu/NodeBasedSyncing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Inalegwu/NodeBasedSyncing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInalegwu%2FNodeBasedSyncing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInalegwu%2FNodeBasedSyncing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 933a8cb0a20f83b0f0a74c946a3c0450505c6c1b
[INFO] checking Inalegwu/NodeBasedSyncing against master#d2e8ecd8bd26a22111cdebfb813258450b07fbf0 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInalegwu%2FNodeBasedSyncing" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Inalegwu/NodeBasedSyncing on toolchain d2e8ecd8bd26a22111cdebfb813258450b07fbf0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Inalegwu/NodeBasedSyncing
[INFO] finished tweaking git repo https://github.com/Inalegwu/NodeBasedSyncing
[INFO] tweaked toml for git repo https://github.com/Inalegwu/NodeBasedSyncing written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Inalegwu/NodeBasedSyncing 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" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "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 Inalegwu/NodeBasedSyncing against try#aface909a877127f24c62858518cef2d593e2ea1 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInalegwu%2FNodeBasedSyncing" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Inalegwu/NodeBasedSyncing on toolchain aface909a877127f24c62858518cef2d593e2ea1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Inalegwu/NodeBasedSyncing
[INFO] finished tweaking git repo https://github.com/Inalegwu/NodeBasedSyncing
[INFO] tweaked toml for git repo https://github.com/Inalegwu/NodeBasedSyncing written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Inalegwu/NodeBasedSyncing 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" "+aface909a877127f24c62858518cef2d593e2ea1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 307bd26507ad0ba2a00967ebae1daeb98e8d8aa2f5e6480f3e0983c77c80df30
[INFO] running `Command { std: "docker" "start" "-a" "307bd26507ad0ba2a00967ebae1daeb98e8d8aa2f5e6480f3e0983c77c80df30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "307bd26507ad0ba2a00967ebae1daeb98e8d8aa2f5e6480f3e0983c77c80df30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "307bd26507ad0ba2a00967ebae1daeb98e8d8aa2f5e6480f3e0983c77c80df30", kill_on_drop: false }`
[INFO] [stdout] 307bd26507ad0ba2a00967ebae1daeb98e8d8aa2f5e6480f3e0983c77c80df30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9db3fbad9b080e6ee85a2da4cbdf6c91fefc88cccb74c8380efe90ee29bce434
[INFO] running `Command { std: "docker" "start" "-a" "9db3fbad9b080e6ee85a2da4cbdf6c91fefc88cccb74c8380efe90ee29bce434", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `connections` and `data` are never read
[INFO] [stdout]   --> src/core/node.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Node {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 15 |     pub id: String,
[INFO] [stdout] 16 |     connections: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 17 |     data: Vec<Data>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `connections` and `data` are never read
[INFO] [stdout]   --> src/core/node.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Node {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 15 |     pub id: String,
[INFO] [stdout] 16 |     connections: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 17 |     data: Vec<Data>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `handle_message`, `send_data`, and `send_message` are never used
[INFO] [stdout]   --> src/core/node.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Node {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn handle_message(&mut self, message: Message) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn send_data(&self, data: String) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     fn send_message(&self, reciever_id: String, message_type: MessageType) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `handle_message`, `send_data`, and `send_message` are never used
[INFO] [stdout]   --> src/core/node.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Node {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn handle_message(&mut self, message: Message) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn send_data(&self, data: String) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     fn send_message(&self, reciever_id: String, message_type: MessageType) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "9db3fbad9b080e6ee85a2da4cbdf6c91fefc88cccb74c8380efe90ee29bce434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db3fbad9b080e6ee85a2da4cbdf6c91fefc88cccb74c8380efe90ee29bce434", kill_on_drop: false }`
[INFO] [stdout] 9db3fbad9b080e6ee85a2da4cbdf6c91fefc88cccb74c8380efe90ee29bce434