[INFO] cloning repository https://github.com/ndesh02/graph_db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndesh02/graph_db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndesh02%2Fgraph_db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndesh02%2Fgraph_db'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndesh02%2Fgraph_db/hooks/: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/ndesh02/graph_db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndesh02/graph_db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndesh02%2Fgraph_db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndesh02%2Fgraph_db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66c9a9bd174a346847f538fbaa7aa50e6d727f6a
[INFO] checking ndesh02/graph_db against master#4455c8937007f3cc3c078375a335d86dbab391ce for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndesh02%2Fgraph_db" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ndesh02/graph_db
[INFO] finished tweaking git repo https://github.com/ndesh02/graph_db
[INFO] tweaked toml for git repo https://github.com/ndesh02/graph_db written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ndesh02/graph_db on toolchain 4455c8937007f3cc3c078375a335d86dbab391ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ndesh02/graph_db 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" "+4455c8937007f3cc3c078375a335d86dbab391ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53a6f30ae1720a8ed4fec5d48d4e29a1e8feb78c1acac96501a4245690755ba2
[INFO] running `Command { std: "docker" "start" "-a" "53a6f30ae1720a8ed4fec5d48d4e29a1e8feb78c1acac96501a4245690755ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53a6f30ae1720a8ed4fec5d48d4e29a1e8feb78c1acac96501a4245690755ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a6f30ae1720a8ed4fec5d48d4e29a1e8feb78c1acac96501a4245690755ba2", kill_on_drop: false }`
[INFO] [stdout] 53a6f30ae1720a8ed4fec5d48d4e29a1e8feb78c1acac96501a4245690755ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80b1271def5a733d1024b5cddedf1cec3d85e61950ec29a0b2723e6c0c8cbcf3
[INFO] running `Command { std: "docker" "start" "-a" "80b1271def5a733d1024b5cddedf1cec3d85e61950ec29a0b2723e6c0c8cbcf3", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking graph_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id` and `label` are never read
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Node {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 6 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 7 |     label: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `label`, `start_node`, `end_node`, and `properties` are never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Relationship {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 13 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     label: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     start_node: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 16 |     end_node: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     properties: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Relationship` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_relationships_of_node` is never used
[INFO] [stdout]   --> src/main.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl GraphDatabase{
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn get_relationships_of_node(&self, node_id: u32) -> Vec<&Relationship> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `properties` are never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Relationship {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 13 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     properties: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Relationship` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_relationships_of_node` is never used
[INFO] [stdout]   --> src/main.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl GraphDatabase{
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn get_relationships_of_node(&self, node_id: u32) -> Vec<&Relationship> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "80b1271def5a733d1024b5cddedf1cec3d85e61950ec29a0b2723e6c0c8cbcf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b1271def5a733d1024b5cddedf1cec3d85e61950ec29a0b2723e6c0c8cbcf3", kill_on_drop: false }`
[INFO] [stdout] 80b1271def5a733d1024b5cddedf1cec3d85e61950ec29a0b2723e6c0c8cbcf3