[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] building ndesh02/graph_db against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndesh02%2Fgraph_db" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ndesh02/graph_db on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8c1f3d0959540272925527e199538ea570f0744c88ff349469c5d780723bfc8
[INFO] running `Command { std: "docker" "start" "-a" "a8c1f3d0959540272925527e199538ea570f0744c88ff349469c5d780723bfc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8c1f3d0959540272925527e199538ea570f0744c88ff349469c5d780723bfc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8c1f3d0959540272925527e199538ea570f0744c88ff349469c5d780723bfc8", kill_on_drop: false }`
[INFO] [stdout] a8c1f3d0959540272925527e199538ea570f0744c88ff349469c5d780723bfc8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ce181c25fb61e0e1cd0203e6e9a58942e2e15ee22baac753a789f703a64f53
[INFO] running `Command { std: "docker" "start" "-a" "a2ce181c25fb61e0e1cd0203e6e9a58942e2e15ee22baac753a789f703a64f53", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "a2ce181c25fb61e0e1cd0203e6e9a58942e2e15ee22baac753a789f703a64f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ce181c25fb61e0e1cd0203e6e9a58942e2e15ee22baac753a789f703a64f53", kill_on_drop: false }`
[INFO] [stdout] a2ce181c25fb61e0e1cd0203e6e9a58942e2e15ee22baac753a789f703a64f53
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 664ac2f42bada29154a2e50f144e4c256a4a94fedf199dd510ca74dad5b85dfe
[INFO] running `Command { std: "docker" "start" "-a" "664ac2f42bada29154a2e50f144e4c256a4a94fedf199dd510ca74dad5b85dfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph_db v0.1.0 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "664ac2f42bada29154a2e50f144e4c256a4a94fedf199dd510ca74dad5b85dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664ac2f42bada29154a2e50f144e4c256a4a94fedf199dd510ca74dad5b85dfe", kill_on_drop: false }`
[INFO] [stdout] 664ac2f42bada29154a2e50f144e4c256a4a94fedf199dd510ca74dad5b85dfe