[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 master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[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] validating manifest of git repo https://github.com/mShackL/DS-210 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6d4b812088826bf6e8b3a8b5cb5bc7269a0d8cdab6ebdaa71889746a65d7989
[INFO] running `Command { std: "docker" "start" "-a" "a6d4b812088826bf6e8b3a8b5cb5bc7269a0d8cdab6ebdaa71889746a65d7989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6d4b812088826bf6e8b3a8b5cb5bc7269a0d8cdab6ebdaa71889746a65d7989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d4b812088826bf6e8b3a8b5cb5bc7269a0d8cdab6ebdaa71889746a65d7989", kill_on_drop: false }`
[INFO] [stdout] a6d4b812088826bf6e8b3a8b5cb5bc7269a0d8cdab6ebdaa71889746a65d7989
[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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 424942a51c8cfef8ff316f9003e03b7aefc77d1bdd6acaf5eea30b555a8191a8
[INFO] running `Command { std: "docker" "start" "-a" "424942a51c8cfef8ff316f9003e03b7aefc77d1bdd6acaf5eea30b555a8191a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cfg-if v1.0.0
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "424942a51c8cfef8ff316f9003e03b7aefc77d1bdd6acaf5eea30b555a8191a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "424942a51c8cfef8ff316f9003e03b7aefc77d1bdd6acaf5eea30b555a8191a8", kill_on_drop: false }`
[INFO] [stdout] 424942a51c8cfef8ff316f9003e03b7aefc77d1bdd6acaf5eea30b555a8191a8
[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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4fec022818db8f2dd26d6050eb0ace2e67e4a1064af7525b71a75a7425422bf
[INFO] running `Command { std: "docker" "start" "-a" "d4fec022818db8f2dd26d6050eb0ace2e67e4a1064af7525b71a75a7425422bf", 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "d4fec022818db8f2dd26d6050eb0ace2e67e4a1064af7525b71a75a7425422bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fec022818db8f2dd26d6050eb0ace2e67e4a1064af7525b71a75a7425422bf", kill_on_drop: false }`
[INFO] [stdout] d4fec022818db8f2dd26d6050eb0ace2e67e4a1064af7525b71a75a7425422bf
[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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0661bbc387fcb0a91313ad4d7146ed93bc752ebdcf580f200824416479fcf089
[INFO] running `Command { std: "docker" "start" "-a" "0661bbc387fcb0a91313ad4d7146ed93bc752ebdcf580f200824416479fcf089", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `sample_size`
[INFO] [stderr]    --> src/main.rs:288:13
[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 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/code-f9d3164e984a3ba8)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[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" "0661bbc387fcb0a91313ad4d7146ed93bc752ebdcf580f200824416479fcf089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0661bbc387fcb0a91313ad4d7146ed93bc752ebdcf580f200824416479fcf089", kill_on_drop: false }`
[INFO] [stdout] 0661bbc387fcb0a91313ad4d7146ed93bc752ebdcf580f200824416479fcf089
[INFO] testing mShackL/DS-210 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmShackL%2FDS-210" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mShackL/DS-210 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-tc2/source/Cargo.toml
[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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef44094e15f5112a12667e9a7f966bd2c7dbc37dc7e8eec9fbf60ff25c378ff1
[INFO] running `Command { std: "docker" "start" "-a" "ef44094e15f5112a12667e9a7f966bd2c7dbc37dc7e8eec9fbf60ff25c378ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef44094e15f5112a12667e9a7f966bd2c7dbc37dc7e8eec9fbf60ff25c378ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef44094e15f5112a12667e9a7f966bd2c7dbc37dc7e8eec9fbf60ff25c378ff1", kill_on_drop: false }`
[INFO] [stdout] ef44094e15f5112a12667e9a7f966bd2c7dbc37dc7e8eec9fbf60ff25c378ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6081d2e19f41d78083b615d0b5f5329d7e0c73417e239229540092a6e597bdcf
[INFO] running `Command { std: "docker" "start" "-a" "6081d2e19f41d78083b615d0b5f5329d7e0c73417e239229540092a6e597bdcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cfg-if v1.0.0
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "6081d2e19f41d78083b615d0b5f5329d7e0c73417e239229540092a6e597bdcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6081d2e19f41d78083b615d0b5f5329d7e0c73417e239229540092a6e597bdcf", kill_on_drop: false }`
[INFO] [stdout] 6081d2e19f41d78083b615d0b5f5329d7e0c73417e239229540092a6e597bdcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 527ee08dcee555c05c7392d2dbb9366e6553217e63f24882f834a9bc6472de60
[INFO] running `Command { std: "docker" "start" "-a" "527ee08dcee555c05c7392d2dbb9366e6553217e63f24882f834a9bc6472de60", 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "527ee08dcee555c05c7392d2dbb9366e6553217e63f24882f834a9bc6472de60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "527ee08dcee555c05c7392d2dbb9366e6553217e63f24882f834a9bc6472de60", kill_on_drop: false }`
[INFO] [stdout] 527ee08dcee555c05c7392d2dbb9366e6553217e63f24882f834a9bc6472de60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 077d1fb4174d86cf5e046627dc062da11a01bd01e738b004aef72bc6dfa16a69
[INFO] running `Command { std: "docker" "start" "-a" "077d1fb4174d86cf5e046627dc062da11a01bd01e738b004aef72bc6dfa16a69", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `sample_size`
[INFO] [stderr]    --> src/main.rs:288:13
[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 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/code-f9d3164e984a3ba8)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_bfs_distance_simple ... ok
[INFO] [stdout] test tests::test_bfs_distance_not_connected ... ok
[INFO] [stdout] test tests::test_average_distance ... FAILED
[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" "077d1fb4174d86cf5e046627dc062da11a01bd01e738b004aef72bc6dfa16a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077d1fb4174d86cf5e046627dc062da11a01bd01e738b004aef72bc6dfa16a69", kill_on_drop: false }`
[INFO] [stdout] 077d1fb4174d86cf5e046627dc062da11a01bd01e738b004aef72bc6dfa16a69
