[INFO] cloning repository https://github.com/mShackL/DS-210
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mShackL/DS-210" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmShackL%2FDS-210", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmShackL%2FDS-210'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32e648665c6a0ea6f0524a6ecf3222c0c66f7adc
[INFO] testing mShackL/DS-210 against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmShackL%2FDS-210" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mShackL/DS-210
[INFO] finished tweaking git repo https://github.com/mShackL/DS-210
[INFO] tweaked toml for git repo https://github.com/mShackL/DS-210 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mShackL/DS-210 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mShackL/DS-210 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e9679eca8bd01df8ae2a9e8333d6e21fcecae816010eb349bea039cf5b2d5fe
[INFO] running `Command { std: "docker" "start" "-a" "1e9679eca8bd01df8ae2a9e8333d6e21fcecae816010eb349bea039cf5b2d5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e9679eca8bd01df8ae2a9e8333d6e21fcecae816010eb349bea039cf5b2d5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9679eca8bd01df8ae2a9e8333d6e21fcecae816010eb349bea039cf5b2d5fe", kill_on_drop: false }`
[INFO] [stdout] 1e9679eca8bd01df8ae2a9e8333d6e21fcecae816010eb349bea039cf5b2d5fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3021d5d079d1ba0f6da19bd196c98d9c1170ef50e34017876902f6ffad4bf151
[INFO] running `Command { std: "docker" "start" "-a" "3021d5d079d1ba0f6da19bd196c98d9c1170ef50e34017876902f6ffad4bf151", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `generate_random_graph` is never used
[INFO] [stdout]    --> src/main.rs:234:4
[INFO] [stdout]     |
[INFO] [stdout] 234 | fn generate_random_graph(num_nodes: usize) -> HashMap<String, Vec<String>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "3021d5d079d1ba0f6da19bd196c98d9c1170ef50e34017876902f6ffad4bf151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3021d5d079d1ba0f6da19bd196c98d9c1170ef50e34017876902f6ffad4bf151", kill_on_drop: false }`
[INFO] [stdout] 3021d5d079d1ba0f6da19bd196c98d9c1170ef50e34017876902f6ffad4bf151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71931d2b5e68aabbb8dc579bc92f54cdf062cd951cdf5cb4b77a2471330a842c
[INFO] running `Command { std: "docker" "start" "-a" "71931d2b5e68aabbb8dc579bc92f54cdf062cd951cdf5cb4b77a2471330a842c", kill_on_drop: false }`
[INFO] [stderr]    Compiling code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sample_size`
[INFO] [stdout]    --> src/main.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |         let sample_size = 4000;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "71931d2b5e68aabbb8dc579bc92f54cdf062cd951cdf5cb4b77a2471330a842c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71931d2b5e68aabbb8dc579bc92f54cdf062cd951cdf5cb4b77a2471330a842c", kill_on_drop: false }`
[INFO] [stdout] 71931d2b5e68aabbb8dc579bc92f54cdf062cd951cdf5cb4b77a2471330a842c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4207ab078b27e57aa007078356521c21ca43d777cce77074feee1ca4cf5b7f45
[INFO] running `Command { std: "docker" "start" "-a" "4207ab078b27e57aa007078356521c21ca43d777cce77074feee1ca4cf5b7f45", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `sample_size`
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:288:13
[INFO] [stdout] running 5 tests
[INFO] [stderr]     |
[INFO] [stderr] 288 |         let sample_size = 4000;
[INFO] [stderr]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `code` (bin "code" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/code-6fd54b9c85228f81)
[INFO] [stdout] test tests::test_bfs_distance_not_connected ... ok
[INFO] [stdout] test tests::test_bfs_distance_simple ... ok
[INFO] [stdout] test tests::test_average_distance ... ok
[INFO] [stdout] test tests::test_max_distance has been running for over 60 seconds
[INFO] [stdout] test tests::test_median_distance has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "4207ab078b27e57aa007078356521c21ca43d777cce77074feee1ca4cf5b7f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4207ab078b27e57aa007078356521c21ca43d777cce77074feee1ca4cf5b7f45", kill_on_drop: false }`
[INFO] [stdout] 4207ab078b27e57aa007078356521c21ca43d777cce77074feee1ca4cf5b7f45
